Re: [Factor-talk] Startup time

[Jim Mack]

You could also set up factor as a local web server, and send bash requests
to it through a web page, and it would be able to accomplish them locally
(or remotely) and report you the results.  It would be a quick round-trip
cycle with great feedback and the ability to bookmark commands.

On Sun, Jan 29, 2017 at 1:39 PM,  wrote:

> On 2017-01-29 16:20, John Benediktsson wrote:
> > It would be nice to improve startup time. I imagine some low hanging
> > fruits if we looked deeply into it. I'll make a note to get that on my
> > list, unless someone looks into it sooner.
> >
> >
> >
> >> On Jan 28, 2017, at 2:25 PM, pet...@riseup.net wrote:
> >>
> >> I spend a lot of time writing small scripts, often in bash. That is
> >> becoming a more and more painful task as bash is a nice-enough
> >> language
> >> on the first look but in the end it seems to go out of it's way to
> >> trip
> >> you up with every character you type. I don't mean to rant, I know
> >> it's
> >> an old language that has to keep a lot of backward compatibility and
> >> it
> >> actually still serves very well for what it was designed for, as long
> >> as
> >> your script stays <100 lines. Still, there's a lot to be desired.
> >>
> >> Factor is a cool language, it's very expressive, mature, has a lot of
> >> libraries and has all sorts of tricks up its sleaves to bend it to
> >> your
> >> will (much like lisp in that regard). It would be a fun experiment to
> >> write a library or EDSL (embedded DSL) for bash-like scripting.
> >> However
> >> there's a bone to be picked:
> >>
> >> $ time bash -c ''
> >> bash -c ''  0.00s user 0.00s system 94% cpu 0.004 total
> >>
> >> $ time factor-vm -e=''
> >> factor-vm -e=''  0.12s user 0.05s system 99% cpu 0.178 total
> >>
> >> I know one can create a custom image and maybe cut down on the startup
> >> a
> >> bit, but my question is - would it be possible to cut it down to
> >> bash's
> >> startup time *and* still have all the necessary vocabularies in it? I
> >> don't want to know the startup time with a small image that has like
> >> nothing in it, I can quickly test that myself. I'd need help to answer
> >> -
> >> if you imagine the use case I'm talking about, include all the vocabs
> >> that use case would need and make all other possible optimizations (if
> >> there are) without sacrificing too much, can the startup reach similar
> >> times?
> >>
> >> --
> >> 
> >>   Peter Nagy
> >> 
> >>
> >> 
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> Hi John,
>
> you think you can reach similar startup times? That would be really
> cool. I guess your todo list is rather long though.
>
> As a side note, are there other concatenative languages you know I could
> look at?
>
> --
> 
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> 
>
> 
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Re: [Factor-talk] PDF

[Jim Mack]

As web is central to everything I do, and all reporting and most UI now
accomplished through basically identical HTML generation, you may consider
a HTML to PDF conversion utility, for example  http://wkhtmltopdf.org/



On Tue, Dec 20, 2016 at 8:35 AM, John Benediktsson  wrote:

> The PDF stream writer works pretty well for what I wanted it for, allowing
> you to output using our formatted stream protocol (e.g. ``stream-format``)
> with font sizes and colors etc. specified.  The main entry point for that
> is ``with-pdf-writer``, then when the quotation (which should print / write
> / format stuff output) finishes the object on the stack is the pdf, which
> would need to be written to file something like:
>
> [ ... ] with-pdf-writer pdf>string
> /path/to/output.pdf utf8 set-file-contents
>
> It doesn't currently support things like setting page numbers and header
> and footers, and table support could be a bit better, but the building
> blocks are there if you wanted to.
>
> If that doesn't provide what you need, other ideas are to wrap the many
> PDF libraries available in many other languages.
>
> Best,
> John.
>
> On Tue, Dec 20, 2016 at 6:23 AM, Jon Harper 
> wrote:
>
>> Hi,
>> there is http://docs.factorcode.org/content/vocab-pdf.html and its
>> children.
>>
>> I haven't used it, but it is for example used to generate the docs in pdf
>> using pdf streams.
>>
>> Jon
>>
>>
>> Le 20 déc. 2016 08:39, "Alexander Ilin"  a écrit :
>>
>> Hello!
>>
>>   Is there a way to generate PDF documents from within Factor?
>>
>> ---=---
>>  Александр
>>
>> 
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Re: [Factor-talk] DOS Encoding

[Jim Mack]

Are you talking about the characters that used to be used in character
based windows apps?  LIke on this page from 179-218 or so?

https://en.wikipedia.org/wiki/Code_page_437



On Wed, Oct 26, 2016 at 3:52 PM, John Benediktsson  wrote:

> does it work to just use binary and then do ``>string``?
>
> On Wed, Oct 26, 2016 at 2:55 PM, Alexander Ilin  wrote:
>
>> Hello!
>>
>> I'd like to parse some log-files created by an old-style DOS program.
>> They contain pseudographics characters for drawing frames and tables.
>> Technically, that's not ASCII, but a superset with all 8 bits used.
>> Do we have an 8-bit encoding that would support that? I took a look at
>> the basis\io\encodings\8-bit\ folder, but among those latin1-latin10
>> encodings nothing screams "DOS Pseudographics".
>>
>> A little guidance here, anyone?
>>
>> ---=---
>> Александр
>>
>>
>> 
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Re: [Factor-talk] Desperate UI help

[Jim Mack]

Also consider having your ui consist of an embedded web browser that
browses to itself.  Factor serves web pages and can, IIRC, embed a web
browser under its control that browses to localhost.

On Sat, Feb 21, 2015 at 4:08 PM, John Benediktsson mrj...@gmail.com wrote:

 Hi Mark,

 The UI is a cross-platform interface built on OpenGL and we haven't
 implemented cross-platform popups or modal dialogs. The current popups are
 rendered into the window.

 However, we support on each platform calling any of the native UI's. So
 basically anything you can create on the native interface is available from
 within Factor, just not wrapped nicely and made available for
 cross-platform use.

 So basically, is there a way to call the native UI directly to solve your
 issue?

 Thanks,
 John,


  On Feb 21, 2015, at 3:57 PM, Mark Green m...@antelope.nildram.co.uk
 wrote:
 
  Hi,
 
  Most problems can render outside of their window if needed for a menu.
 For example, try shrinking your web browser window vertically so that only
 one line or so of the web page is visible, then right-clicking in the
 visible space.
 
  Mark
 
 
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Re: [Factor-talk] Cookbook and Learning

[Jim Mack]

construct a hello visitor web page
construct a hello visitor gui

Use factor ide as best rpm calculator ever!




On Mon, Jun 17, 2013 at 1:29 PM, Loryn Jenkins lor...@gmail.com wrote:

 Graham

 What type of tutorials would you find useful?

 Loryn Jenkins


 On Mon, Jun 17, 2013 at 10:34 PM, graham telfer gakouse...@hotmail.comwrote:

 The lack of tutorials for Factor is a major bugbear. I have found The
 Rosetta Code site very useful because you can compare Factor code with a
 language you already know for many different problems.

 Chapter 4 of Thinking Forth is also useful because it has a lot of good
 advice about factoring code.


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Re: [Factor-talk] teaching

[Jim Mack]

I know that learning Forth, and Learning Forth by Leo Brodie, was the
most important part of my self education in the 80s.  And Factor has made
me think more clearly, even as I program in C# for my day job, and
javascript for my node projects.


On Tue, Apr 9, 2013 at 7:39 AM, Alexander Mueller ddo...@gmail.com wrote:

 dunnoh, trying to switch to factor as a language in a curriculum would
 imply reordering the courses.

 for university i'd say it's possible but not easily so because you'd need
 to change the sequence in which things are taught imho - so you have a
 gentle introduction (explain everything you'd need to learn in theoretical
 informatics first before going dipping into practical informatics since you
 can't really go concurrently).

 i would say though that the migration cost would be too high (too much
 trouble for not much gain) - i wouldn't be able to say what advantage there
 would be compared to using python/haskell/scheme/... besides that i like
 the syntax alot more.

 for school i'd say it might lack some tools so you can just throw kids at
 computers and hope that some grok it.


 On Tue, Apr 9, 2013 at 1:12 AM, Leonard P leonard14...@gmail.com wrote:

 Stacks, objects, collections, continuations, higher-order functions ...

 Anyone else think that Factor would make an ideal language for teaching
 CS?



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Re: [Factor-talk] a script

[Jim Mack]

Also, to save you some typing, try this syntax:

http://docs.factorcode.org/content/word-qw%7B,qw.html

USE: qw

qw{ DTEGY EONGY RWEO } list



On Sat, Mar 16, 2013 at 8:14 AM, Alex Vondrak ajvond...@gmail.com wrote:

 On Sat, Mar 16, 2013 at 6:05 AM, Fox McCloud starfox...@gmail.com wrote:

 Wondering if one stock symbol is typed incorrectly.

 Is there a way to determine the specific value in a sequence on which map
 fails?


 In the UI listener, clicking the Traceback button on top of an error
 dialog will let you see the data  call stacks at the time of the error.
 In the command-line listener, type `:s` and `:c` to see the data  calls
 stacks, respectively.  Here, call stack isn't even a Factor-specific
 concept: it's just like the stack trace you'd get from most other languages.

 In the interest of teaching a man to fish, I won't point out the issue
 you're having, but it becomes pretty obvious when you take a look.  Your
 hunch is on the right track.  :)

 Hope that helps,
 --Alex Vondrak


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Re: [Factor-talk] Out of memory error

[Jim Mack]

In a way, too many possible culprits mask each other.

I remember a problem like this that I solved by reducing the amount of
memory so the problem would show quickly, then testing small things in
isolation and volume.  Pick a subset of tests and run them multiple times
at low memory until it fails or becomes clear it won't.   Rinse and repeat.



On Sat, Aug 25, 2012 at 10:19 AM, Alexander J. Vondrak 
ajvond...@csupomona.edu wrote:

 Okay, so still no luck:

   - Tried skipping tools.deploy tests (just yanked deploy-tests.factor out
 of
 the 0.95 source tree before `load-all test-all`), still crashed.

   - Tried skipping extra/ with `resouce:core load-root resource:basis
 load-root test-all`, still crashed.

   - Tried doubling the sizes of the GC generations (./factor -young=2
 -aging=4
 -tenured=1600) to no avail.

   - No particular vocabulary seems to be tripping it off, as verified by
 doing
 the above with
 ```
 \ run-test-file [
   [ dup ~/Desktop/tests utf8 [ print ] with-file-appender ] prepend
 ] annotate
 ```
 and having them crash at different vocabs.  The few times I managed to
 catch a glimpse of the factor process running in top, the memory usage
 just
 seemed to creep up to its ceiling as more and more tests were run
 until it
 finally aborted.

 It didn't use to do this (even very recently), which is what made me think
 it
 was something to do with my machine just being b0rked.  I've had weird bugs
 crop up from time to time using Debian, so it's not unprecedented.  I've
 been
 procrastinating setting up an Arch install on this machine, so maybe this
 is as
 good a reason as any to get around to that...

 Any other experiments I should try?

 Thanks for the help,
 --Alex Vondrak

 
 From: John Benediktsson [mrj...@gmail.com]
 Sent: Friday, August 24, 2012 6:54 PM
 To: factor-talk@lists.sourceforge.net
 Cc: factor-talk@lists.sourceforge.net
 Subject: Re: [Factor-talk] Out of memory error

 It might be worth only loading and testing vocabularies in core and basis,
 to see if GVN works?

 On Aug 24, 2012, at 6:50 PM, Alexander J. Vondrak 
 ajvond...@csupomona.edu wrote:

  It seems to fail soon after the tools.deploy tests.  I tried at one
 point disabling those, but I think it still crashed.  I should check
 again...
 
  
  From: Doug Coleman [doug.cole...@gmail.com]
  Sent: Friday, August 24, 2012 6:44 PM
  To: factor-talk@lists.sourceforge.net
  Subject: Re: [Factor-talk] Out of memory error
 
  8gb outta be enough for anybody. But It's not, I guess. Try with more
 RAM or patch the part that grows to only grow to as much as you have.
 
  Maybe something is using way too much
 
  On Aug 24, 2012 6:01 PM, Alexander J. Vondrak ajvond...@csupomona.edu
 mailto:ajvond...@csupomona.edu wrote:
  Hey all,
 
  Mini-update: got the unit tests for the global value numbering pass more
  up-to-snuff awhile ago (it's like test-driven development in reverse!).
  Still
  seems like I should be doing more to test the new capabilities, but I'm
 not
  sure if I could do much more than what's there.
 
  My efforts as of late have been focused on some GVN improvements.  But
 for the
  past way-too-long, I thought I had broken something catastrophic because
  `load-all test-all` would invariably crash the listener with an out of
 memory
  error:
 
   Out of memory
 
   Nursery: Start=831c, size=10, end=832c
   Aging: Start=82fc, size=20, end=831c
   Tenured: Start=50c8, size=3214, end=82dc
   Cards:base=b44d0008, size=326800
   Aborted
 
  After a lot of very slow debugging (them's the breaks when running all
 the unit
  tests, I guess) that was ultimately fruitless, I finally tried out
 Factor 0.95
  straight from the build farm---none of my changes, no .git, just a clean
  download of the linux-x86-32 tarchive.  And, what do you know, `load-all
  test-all` still crashes with the same error.
 
  It hadn't done that before, so I think the issue may be an intervening OS
  update I did.  I'm running a fully up-to-date Debian testing, kernel
  3.2.0-3-686-pae.
 
  1) Can anyone reproduce this error?  Or is my machine just that jacked
 up?  I'd
  be happy to provide other diagnostic info, if it'd help.
 
  2) Any coping mechanisms?  I considered just throwing a bunch of memory
 at it
  with command line switches (-young=, -aging=, -tenured=, etc.), but
 wasn't
  really sure how much would do the trick, since it just started crashing
 like
  this out of the blue anyway.
 
  Thanks,
  --Alex Vondrak
 
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Re: [Factor-talk] Stack Depth

[Jim Mack]

How do you know the optimizing compiler does or doesn't perform one
additional read/write when the result goes to 'the' stack instead of going
to a different data structure?  I couldn't build a compiler, but I think
the registers are being used at times, and that the stack is a metaphor.
 Factor certainly is written better than simply treating each word as a
jump, which early forths did, before inlining.  It may be fewer ops to do
it the first way rather than the second, as the second actually contains
the first, plus the temp storage of cut pieces pre-pan.



On Sat, Jul 7, 2012 at 2:03 AM, graham telfer gakouse...@hotmail.comwrote:



 --
 Thanks to everybody who gave me suggestions about the stack. I'd like to
 add a final comment about why I think the stack is useful in this case.

 Imagine you are going to chop up a carrot to cook it. There are 2 ways you
 might go about the job: the first is to cut off a piece and then turn and
 put it into the pan ready to cook. Keep doing this, cutting one piece at a
 time, turning and putting each piece of carrot into the pan until there is
 no carrot left. The second way is to cut the carrot into pieces and then
 put all of the pieces into the pan as a single operation.

 I see the second way as analagous to using the stack. Do all the dividing
 then put all the values into the data structure as a single operation. I do
 not see this as using the stack as a data structure; just a convenient
 holding pen.


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Re: [Factor-talk] Factor image snapshots

[Jim mack]

This seems similar to having a bookmark 'url' interface into the gui, that
contains enough information to restore state, or has a key to something that
has that extra info about what data are current.  And that seems like enough
of a good thing to want in and of itself.

It also seems similar to any undo functionality (restart and run commands to
n-1) , also a good enough thing to want by itself.

Could one solution logging certain calls bring all three benefits?  Snapshot
+ command line interface + undo?

On Sun, Mar 20, 2011 at 11:03 PM, Andrey Onymov anonym...@gmail.com wrote:

 On Mon, 21 Mar 2011 10:34:21, Slava Pestov wrote:

  The problem with snapshotting the state of the UI with all open
  windows and gadgets is that it gets really tricky for gadgets with
  associated native resources, like fonts, vertex buffers, textures, and
  so on. Squeak doesn't run into this difficulty because it renders to a
  framebuffer and implements everything itself...
 
  Slava
 

 On Mon, 21 Mar 2011 16:46, Joe Groff wrote:
  Resuming an entire program is tricky. While the Factor VM knows how to
  freeze the Factor heaps and thaw and revive them, on its own, it doesn't
  know how to recreate the UI resources, network connections, and other
  externalities a real program depends on. Programs can register startup
  hooks to perform these sorts of (re)initialization tasks, but it's not
  automatic. A program in Factor could potentially support a full resume,
  if all its libraries properly register startup hooks to recreate their
  external dependencies, and the program saved a continuation object to be
  resumed from the saved image.
 
  -Joe

 So, basically, you'd need ability to set up a hook that fires when
 building a snapshot and saves another hook to restore the state on
 restart (and support for this in all the libs, of course).

 Quite a hassle to implement.

 And anyways, start-up times for image with all dependencies compiled in is
 quite low, so wouldn't it be easier to implement some common framework for
 state persist/restore on applications level?




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Re: [Factor-talk] Factor image snapshots

[Jim mack]

Would annotations be a reasonable place to implement some level of call
recording?

On Mon, Mar 21, 2011 at 2:20 PM, Jim mack j...@less2do.com wrote:

 This seems similar to having a bookmark 'url' interface into the gui, that
 contains enough information to restore state, or has a key to something that
 has that extra info about what data are current.  And that seems like enough
 of a good thing to want in and of itself.

 It also seems similar to any undo functionality (restart and run commands
 to n-1) , also a good enough thing to want by itself.

 Could one solution logging certain calls bring all three benefits?
  Snapshot + command line interface + undo?

 On Sun, Mar 20, 2011 at 11:03 PM, Andrey Onymov anonym...@gmail.comwrote:

 On Mon, 21 Mar 2011 10:34:21, Slava Pestov wrote:

  The problem with snapshotting the state of the UI with all open
  windows and gadgets is that it gets really tricky for gadgets with
  associated native resources, like fonts, vertex buffers, textures, and
  so on. Squeak doesn't run into this difficulty because it renders to a
  framebuffer and implements everything itself...
 
  Slava
 

 On Mon, 21 Mar 2011 16:46, Joe Groff wrote:
  Resuming an entire program is tricky. While the Factor VM knows how to
  freeze the Factor heaps and thaw and revive them, on its own, it doesn't

  know how to recreate the UI resources, network connections, and other
  externalities a real program depends on. Programs can register startup
  hooks to perform these sorts of (re)initialization tasks, but it's not
  automatic. A program in Factor could potentially support a full resume,
  if all its libraries properly register startup hooks to recreate their
  external dependencies, and the program saved a continuation object to be

  resumed from the saved image.
 
  -Joe

 So, basically, you'd need ability to set up a hook that fires when
 building a snapshot and saves another hook to restore the state on
 restart (and support for this in all the libs, of course).

 Quite a hassle to implement.

 And anyways, start-up times for image with all dependencies compiled in is
 quite low, so wouldn't it be easier to implement some common framework for
 state persist/restore on applications level?




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Re: [Factor-talk] sqlite-error #21 - Library used incorrectly

[Jim mack]

and the sqlite3.dll is in the factor exe folder?

On Wed, Jan 5, 2011 at 10:52 PM, Otoburb otob...@gmail.com wrote:

 Hi,

 I've been trying to go through malu's factor-blog-gitutorial[1] and
 I'm at commit 3e91728fd6b2021fc11d, where I should be able to at least
 show the list of recent posts and create new posts.
 Using the following instructions in the listener, I keep running into
 a 500 error from Furnace.

 USING: blog db db.sqlite http.server namespaces threads ;
 blog main-responder set-global
 [ blog.db sqlite-db [ 8080 httpd ] with-db ] in-thread

 When I look into the http log (logs/http.server/1.log), it showed the
 following errors:
 [2011-01-06T01:15:32-05:00] ERROR do-request: sqlite-error
 [] ERROR do-request: n  21
 [] ERROR do-request: string Library used incorrectly

 I sprinkled debug log-messages throughout the code and saw that the
 problem occurs when attempting to execute select-tuples within the
 page-action init quotation, specifically a problem with the
 recent-posts word.
 The particular code fragments (with debug log messages removed):

 : recent-posts ( num -- posts )
f post query
swap limit
created_at desc order
select-tuples ;

 : recent-posts-action ( -- action )
page-action
[ 5 recent-posts posts set-value ] init
{ blog recent-posts } template ;

 Executing the recent-posts word from the listener:
 ( scratchpad ) blog.db sqlite-db [ 5 recent-posts ] with-db

 ... returns a proper result (either an empty array, or a result,
 depending on whether I entered a post or not previously).

 I thought that the problem might be the gitutorial, so I went and
 tried to launch webapps.blogs since they seem rather similar.
 In the listener, I typed the following:

 ( scratchpad ) temp.db sqlite-db [ blogs main-responder
 set-global 8080 httpd ] with-db

 However, this resulted in the same error in the http log. With
 additional debug messages in webapps.blogs, I was able to narrow down
 the issue in a similar place.
 In this case, the problem occurs when the select-tuples is called
 within the list-posts word.

 Checking basis/db/sqlite/ffi/ffi.factor shows the CONSTANT:
 SQLITE_MISUSE  21 ! Library used incorrectly line. Since that
 seemed like a sqlite3.dll lib throwing an error, I ran db.sqlite
 test in the listener and all of the unit tests passed.

 I'm hoping it's just the way that I'm setting up the environment or
 perhaps misusing with-db.
 At the limit of my Factor capabilities trying to figure this out.

 Further information if required:
 - Factor win32-2010-12-27
 - sqlite3 version 3.7.4


 Thanks,
 Dave


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[Factor-talk] Is this expected behavior?

[Jim mack]

USING: accessors classes generic kernel sequences tools.test ;
IN: test

MIXIN: power1
MIXIN: power2

TUPLE: dad ;
TUPLE: bro1  dad ;
TUPLE: bro2   dad ;

INSTANCE: dad  power1
INSTANCE: bro2 power2

GENERIC: content ( tpl -- str )

M: power1 content ( tpl -- str ) class name  power1 append ;
M: power2 content ( tpl -- str )  class name  power2 append ;

{ bro2 power2 } [ bro2 new content ] unit-test

I haven't figured out how to debug/step into inheritance chains/method order
choosing.
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Re: [Factor-talk] Is this expected behavior?

[Jim mack]

Thank you so much!  I kept thinking of this as a chain with hierarchy and
missed that bro2 was an equal member of both.  (Plus, old parts of my brain
still thinks instance means the in memory instantiation of a class).

On Thu, Dec 16, 2010 at 5:54 PM, Joe Groff arc...@gmail.com wrote:

 On Dec 16, 2010, at 10:28 PM, Jim mack wrote:

 I haven't figured out how to debug/step into inheritance chains/method
 order choosing.


 bro2 is both a member of power1 (through dad) and power2. There's no
 hierarchical relationship implied between power1 and power2 (both
 classes are open union classes and neither class is necessarily a subset of
 the other), so when you invoke content on a bro2, it's ambiguous as to
 whether the power1 or power2 method should be called. In ambiguous
 cases, the union/mixin dispatch currently dispatches on the first
 asciibetical class for which it finds a method, in this case power1. To
 get the behavior you want, you need to make power2 a member of power1,
 thereby mirroring the tuple inheritance hierarchy in the mixin hierarchy:

 MIXIN: power1
 MIXIN: power2

 TUPLE: dad ;
 TUPLE: bro1  dad ;
 TUPLE: bro2   dad ;

 INSTANCE: power2 power1

 INSTANCE: dad  power1
 INSTANCE: bro2 power2

 Since power2 is now explicitly a subset of power1 it will be treated as
 more specific, and power2 methods will override power1 methods.

 -Joe



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Re: [Factor-talk] Using tuple inheritance, mixins gives me results I don't understand and lack the skills to debug/fix.

[Jim mack]

I read that and experimented enough to learn my mixin expectations from Ruby
didn't serve me :)  But, in my pasted code, I only defined dispatch methods
for the mixins.  Are you saying that the tuples can't be related by
inheritance at all?

Thanks,
Jim

On Wed, Dec 15, 2010 at 5:53 PM, Joe Groff arc...@gmail.com wrote:

 On Dec 16, 2010, at 6:52 AM, Jim mack wrote:

  Teaser: 4 tuple 'brothers' each have distinct mixin.  Mixins have generic
 words.  Tuples do not have any generic words defined.  Out of six calls
 through tuples, two trigger the wrong mixin.

 Inheritance and mixin dispatch don't mix. Try using a pure mixin hierarchy
 instead to get the behavior you expect—make a mixin hierarchy mirroring your
 tuple hierarchy, and have the child mixin classes be members of the parent
 mixin classes.

 -Joe

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[Factor-talk] Using tuple inheritance, mixins gives me results I don't understand and lack the skills to debug/fix.

[Jim mack]

The code:
http://paste.factorcode.org/paste?id=2075
The tests revealing problems or my misunderstanding of expectations:
http://paste.factorcode.org/paste?id=2076

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Re: [Factor-talk] Git patch

[Jim mack]

Thanks.  I'll repeat my clone/upstream/modify/push experiment until I see
what I'm doing wrong.  :(

On Sun, Dec 5, 2010 at 3:37 AM, Samuel Tardieu s...@rfc1149.net wrote:



 2010/12/5 Jim mack j...@less2do.com


 Growing circulars had a problem pushing once rotated, so here's my
 attempt.  I had trouble updating the read only seq slot, and expect there's
 a better way than my cheat, but it's beyond me for now..  It includes the
 test proving the need.

 This is my first attempt to fix anything, so please let me know what to do
 better.  I tried forking a private repos and pushing to it, but got this and
 don't have time to monkey much more.

 fatal: bad object 541390b56187b99df4da5716b6987f9c051babe1
 error: pack-objects died with strange error
 error: failed to push some refs to 'g...@github.com:
 jimmack1963/factor.git'

 and 20 min of google browsing didn't answer, so, here it is by email,
 which I think others have used recently.


 Jim, I fixed whitespace issues in your commit and set your name and email
 address:

 https://github.com/samueltardieu/factor/commit/c8b699a232e2baddefba643e84a8f790e7dc47cd

 If it looks right to you, slava can pull from

   git://github.com/samueltardieu/factor.git for-slava

 to get this change if he hasn't got it yet.

   Sam


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[Factor-talk] Git patch

[Jim mack]

Hi,

Growing circulars had a problem pushing once rotated, so here's my attempt.
 I had trouble updating the read only seq slot, and expect there's a better
way than my cheat, but it's beyond me for now..  It includes the test
proving the need.

This is my first attempt to fix anything, so please let me know what to do
better.  I tried forking a private repos and pushing to it, but got this and
don't have time to monkey much more.

fatal: bad object 541390b56187b99df4da5716b6987f9c051babe1
error: pack-objects died with strange error
error: failed to push some refs to 'g...@github.com:jimmack1963/factor.git'

and 20 min of google browsing didn't answer, so, here it is by email, which
I think others have used recently.

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commit-8f434fb
Description: Binary data
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[Factor-talk] Win XP pro 32 bit running furnace got this error

[Jim mack]

I'd be glad to help debug further if there is any more info needed.

C:\factor\work..\factor
Loading C:\Documents and Settings\jmack/factor-rc
Error in thread 1617 (Thread, [ ~array~ set-datastack 80 httpd ]):

winsock-exception
n  -1
string Unknown error 0x

(U) Quotation: [ set-namestack init-catchstack self quot call - stop ]
(O) Word: start-server
(O) Word: set-servers
(O) Word: (make-servers)
(O) Word: server
(O) Method: M\ object (server)
(O) Word: winsock-return-check
(O) Word: winsock-exception
(O) Method: M\ object throw
(U) Quotation: [
63 special-object error-thread set-global
continuation - error-continuation set-global
[ original-error set-global ] [ rethrow ] bi
]
You have triggered a bug in Factor. Please report.
error: 16
arg 1: 108
arg 2: f
Starting low level debugger...
  Basic commands:
q-- continue executing Factor - NOT SAFE
im   -- save image to fep.image
x-- exit Factor
  Advanced commands:
d addr count -- dump memory
u addr -- dump object at tagged addr
. addr -- print object at tagged addr
t-- toggle output trimming
s r  -- dump data, retain stacks
.s .r .c -- print data, retain, call stacks
e-- dump environment
g-- dump generations
data -- data heap dump
words-- words dump
tuples   -- tuples dump
refs addr  -- find data heap references to object
push addr  -- push object on data stack - NOT SAFE
code -- code heap dump
READY
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Re: [Factor-talk] Emacs/FUEL; web server; sqlite installation for Factor

[Jim mack]

On Wed, Nov 24, 2010 at 2:04 AM, Shaping shap...@charter.net wrote:

 Jim, does your web-server example work for you?  The example you posted
 failed for me during init-db.  init-db successfully creates the user adhoc
 subdirectory, and then fails shortly after this, but I could not determine
 with the walker the exact problem.  The stack trace I posted showed a
 call-effect-unsafe problem.  I do not know what this means.



 Is there a special procedure for installing the sqlite3.* files?  I am
 assuming not.  I put them in the Factor working directory.  I did this based
 on your original instructions in your first posting on the web server.



I have noticed your asking this, but don't have an answer for you on
Windows.  We've already covered where to get the dlls from, and where to put
them - your factor home folder.  From that point all the sqlite attempts
worked for me.

I am more of an end user than many of these other guys on here, so I don't
have any answers.  I once learned everything I could about any computer I
had, but gave that up several platforms ago - I never seemed to use the
info, there isn't room any more, etc.

My suspicion is that there is some kind of permission problem, or a 64 bit
issue.  Do you have another MS machine you can play on to test this?  I
switch back and forth between mac and windows and often get clues from
that.  Maybe you could get past this awkward learning period by booting to
linux and playing there, using the built in emacs editor.  Then, gradually
shift to windows - then you know you're doing it 'right' and the only issue
is the platform.  I do this for all my open source work.

I have learned some walker/debugger tricks.  One that may have already
occurred to you is to use a grep tool to find likely places for something to
happen, put a B in the source every where (maybe with some kind of
marking/numbering system like
name of proc drop
to help you know where you are).
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Re: [Factor-talk] factor self modify source

[Jim mack]

http://paste.factorcode.org/paste?id=2056

I think too many would be irritated by the clipboard changing, so perhaps
this should be opt-in, so I'm not thinking this is a submission, but it may
be interesting to some.  I find it useful.  D

On Mon, Nov 22, 2010 at 11:32 PM, Joe Groff arc...@gmail.com wrote:

 On Tue, Nov 23, 2010 at 12:46 PM, Jim mack j...@less2do.com wrote:

 When you activate auto use, and get told the correct USING: clause, I
 think I'd like to either type a word or have a setting that updates the
 source file.  I am close to being able to implement this myself (although I
 wouldn't mind any amount of direction)


 I see. As you mentioned, it's possible to conflict with unsaved changes
 when updating files directly from Factor. You could definitely add some code
 updating tools that had to be manually applied, because a user would then
 have to explicitly coordinate their saving and updating actions. Automatic
 modification would be dangerous.

 -Joe


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Re: [Factor-talk] Emacs/FUEL

[Jim mack]

There's an argument to be had for sticking to what you already use and love,
and making that work better.  I personally tried a few, and had used the sci
editor in the past on windows, but gravitated back to my editpadpro.  I then
found ways to get an imperfect syntax highlighter going - they provide a
regular expr tool interface and now it handles nested [  {, highlights the
first word after a : at the beginning of line, pulls attention to strings,
and bolds out the operators like cleave and bi that are so common.  That was
enough to get it out of the way for now.  I did just find out how to get a
clickable link to the offending file when an autouse triggers an additional
file, and that's made things more fun as well.  Did you know that if you're
in the error browser, clicking a particular error will focus you to that
line in some editors, editpadpro included?  You can try it for free; I've
been using it since it was made.  http://www.editpadpro.com/



On Tue, Nov 23, 2010 at 5:05 AM, Joe Groff arc...@gmail.com wrote:

 On Tue, Nov 23, 2010 at 5:40 PM, Shaping shap...@charter.net wrote:

 ErgoEmacs is too slow.  I've uninstalled it and I'm going back to regular
 Emacs 23.2.  The problem is that the scroll-wheel dynamic is very
 sluggish--unusable really.  I think Jim noticed this earlier.  I did not
 notice the problem until I had a need to page/scroll down in my larger
 files.



 Before I reinstall Emacs, is there any other option for Factor-editor
 integration with color and formatting on Windows?  I like the REPL
 integration very much, but will do without it, if I can have a normal
 Windows keyboard binding, like Notepad++'s .  The vocab for Notepadpp looks
 like it provides only an ability to launch the editor.


 Nothing is as fully developed as FUEL. You can try using the TextMate
 plugin with the e text editor from http://www.e-texteditor.com/, which is
 compatible with TextMate bundles. Its syntax highlighting should work out of
 the box, but the REPL interaction support relies on MacOS X's Services
 feature and would have to be ported to use another communication mechanism
 to interact with Factor on Windows.

 -Joe


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Re: [Factor-talk] factor self modify source

[Jim mack]

 I don't use fuel/emacs, and so have a few steps when presented with a new
 USING: clause.  Has anyone tried but discarded the thought of a word to
 update the code after a restart, for those of us with less than perfect
 editor integration?  Is there a concern outside of overwriting changes in
 progress?


 Press F2 in the graphical listener (or type refresh-all in the terminal
 listener) and any changed source files will be reloaded. Is that what you
 had in mind?

When you activate auto use, and get told the correct USING: clause, I think
I'd like to either type a word or have a setting that updates the source
file.  I am close to being able to implement this myself (although I
wouldn't mind any amount of direction)


 Check out Doug's annotations vocab.

 ( scratchpad ) USE: annotations
 ( scratchpad ) : foo ( x y -- z )
 !TODO handle divide by zero
 / ;
 ( scratchpad ) TODOs.
 Computing usage index... done
 IN: scratchpad : foo ( x y -- z )


-Joe

 THANKS!  I knew it.
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Re: [Factor-talk] How do I construct a sequence from valuesonthestack

[Jim mack]

Thank you!  The way I was thinking about it, it wouldn't compile, thinking |
took precedence.

On Wed, Nov 17, 2010 at 6:06 PM, Chris Double chris.dou...@double.co.nzwrote:

 On Thu, Nov 18, 2010 at 1:53 PM, Jim mack j...@less2do.com wrote:
  ws =   | \t = [[ string whitespace boa ]]

 Change this to:

  ws = (  | \t) = [[ string whitespace boa ]]

 In the first case the = is binding to the \t part of the clause.

 Chris.
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Re: [Factor-talk] loading of webapps.site-watcher

[Jim mack]

We can't seem to get the below simple high level db-tuple example going,
which may be easier to debug if it is sqlite problem.  Shaping, this prints
a folder to 'Look in:'.  Does it actually create that folder? If not, we
have a permissions problem, perhaps.  A file called adhoc.sqlite should
appear upon execution of init-db, or nothing further can work, so please
remind me of the results of the above two expectations.

USING: db.types db.tuples db.sqlite io.directories fry db calendar ;

TUPLE: entity id author date content ;

entity entity {
{ id ID INTEGER +db-assigned-id+ }
{ author AUTHOR { VARCHAR 256 } +not-null+ } ! uid
{ date DATE TIMESTAMP +not-null+ }
{ content CONTENT TEXT +not-null+ }
} define-persistent

: blog-db ( -- db ) adhoc home prepend-path [ make-directories ] [
adhoc.sqlite append-path ] bi sqlite-db ;
: with-blog-data ( quot -- ) '[ blog-db _ with-db ] call ; inline
: init-db ( -- )  [
entity ensure-table
 ] with-blog-data ;

adhoc home prepend-path Look in:  prepend .

init-db

entity new Jim author now date blog entry content

[ insert-tuple ] with-blog-data

entity new Shaping author now date blog entry reply content

[ insert-tuple ] with-blog-data

[ entity new select-tuples ] with-blog-data

[ select * from entity order by author sql-query  ] with-blog-data
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Re: [Factor-talk] How do I construct a sequence from valuesonthestack

[Jim mack]

I'm having trouble with !  Is there some combination of ![a-zA-Z0-9]+ that
will match white-space or punctuation?

On Wed, Nov 17, 2010 at 4:33 PM, Jeff C. Britton j...@iteris.com wrote:

 Thanks,
 I like this.  I will need to look into PEG.

 --Jeff

 -Original Message-
 From: Chris Double [mailto:chris.dou...@double.co.nz]
 Sent: Wednesday, November 17, 2010 4:09 PM
 To: factor-talk@lists.sourceforge.net
 Subject: Re: [Factor-talk] How do I construct a sequence from
 valuesonthestack

 On Thu, Nov 18, 2010 at 12:52 PM, Jeff C. Britton j...@iteris.com wrote:
  I have a string that I want to match against a regular expression.
  However, group capture is not supported :(

 Here's an approach using peg.ebnf. You'll also need math.parser for
 'stringnumber' and peg for 'ignore'.

 EBNF: parse-line
 digits = [0-9]+ = [[ string stringnumber ]]
 part1 = digits:a : digits:b = [[ { a b } ]]
 ws =   | \t
 , = , = [[ drop ignore ]]
 any6 = . . . . . . = [[ string ]]
 part2 = approach | detect
 part3 = any | down
 part4 = presence | extension | delay | pulse | etc
 line = part1 ws* , any6 , part2 , part3 , part4 ,
   digits , digits , digits , digits ,
   presence , digits , presence , digits
 ;EBNF

 1:0,z1,approach,any,presence,0,1,1,0,presence,0,presence,0 parse-line

 Chris.
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Re: [Factor-talk] How do I construct a sequence from valuesonthestack

[Jim mack]

TUPLE: digits text ;
TUPLE: punc text ;
TUPLE: upper text ;
TUPLE: lower text ;
TUPLE: whitespace text ;

EBNF: categorize
digits = [0-9]+ = [[ string digits boa ]]
lower = [a-z]+ = [[ string  lower boa ]]
upper = [A-Z]+ = [[ string  upper boa ]]
punc = [!-/:-...@[-`{-~]+ = [[ string punc boa ]]
ws =   | \t = [[ string whitespace boa ]]
line = (ws|digits|lower|upper|punc)+
;EBNF

 'Jim Mack.'  categorize

V{
 
T{ punc { text ' } }
T{ upper { text J } }
T{ lower { text im } }
 
T{ upper { text M } }
T{ lower { text ack } }
T{ punc { text .' } }
 
}

Please, how do I get the ws to function the way the other char sets do?
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Re: [Factor-talk] Integrating Browser functionality into Listener: John Benediktsson's Syntax Highlighting

[Jim mack]

 I'm puzzled by the stuff inside the stack-effect syntax: (  --  ).

 I thought that the tokens on either side of the --

 are just dummy variables representing, on the one hand, *strictly*

 the *number of input arguments and the number of results*, and, on the
 other,

 *loosely* the types of those arguments and results.  I must not have the

 right idea.  How can per-stack-position type-integrity be enforced if

 this is so?

 For the most part they are dumb, but within the desire for some convention.
   Use the predicates if you feel something is out of control and the stack
isn't in the right order.   If you want something to work from the class or
an instance, you will see conversion at time.

TUPLE: jim ;
ERROR: not-jim x ;
: only-clones ( x -- x ) dup jim? [ not-jim ] unless ;

! try each seperately
jim only-clones

jim new only-clones

jim only-clones

This seems to be the kind of type checking you are looking for.  It's a
little, in a stockyard, like checking each cow for cowness as it walks
around, rather than as it was admitted.  Maybe use it in the beginning, but
sooner or later trust your own code more





 --

 ( scratchpad ) : foo ( x quot: ( x -- ) -- ) call ; inline

 ( scratchpad ) : bar ( x y -- ) [ + . ] foo ;

 ! bar should cause an Input quotation to foo doesn't match its

 expected effect error

 --



 I don't understand above what quot: and more generally what x quot: ( x
 -- )

 as the before-effect of foo is doing.  The colon on the right side of
 quot: is

 confusing me, because I am trying to read RPN, left to right.  This syntax

 makes me want to reverse my reading direction for that expression.  I can't

 find any info in Browser on quot:.





 If the word declares a polymorphic effect (using ..a style stack

 variables to represent a variable number of values), the arities of

 the stack variables will be unified, and an error raised if

 unification fails:



 Does Unification mean arities of stack variables are determined to be
 equal?

 There is a section in Browser called Stack effect checking.  What should
 I read

 besides this to understand the full significance of the stack-effect
 syntax, what

 it can do and not do, and how it affects compiler behavior?





 --

 ( scratchpad ) \ if see

 : if ( ..a ? true: ( ..a -- ..b ) false: ( ..a -- ..b ) -- ..b )

 ? call ;

 ( scratchpad ) : bas ( x y z? -- ) [ + ] [ neg ] if ;

 ! bas should cause an Input quotations to “if” don't match their

 expected effects error

 --

 I'm not understanding the English in the comment above.  Ditto for the

 similar comment above.  The quotes are matched, but I cannot make any sense

 of it.



 If a higher-order word declares no stack effect for its quotation

 arguments, the overall stack effect of the caller will still be

 checked when the body of the higher-order word and its arguments have

 been inlined.



 That makes sense, but I need to study a full description of the
 stack-effect syntax

 and it ramifications for thinking about the effects of higher-order words.





 Shaping


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Re: [Factor-talk] What should I call to issue [ 8080 httpd ] in-thread again, after closing factor reopening?

[Jim mack]

You called it on the nose - I was thinking I could rely on screen, and that
when it closed, everything it ran closed.  I will adopt dtach, thanks.

On Mon, Nov 15, 2010 at 2:40 PM, Aaron Bull Schaefer
aa...@elasticdog.comwrote:

 On Mon, Nov 15, 2010 at 2:26 PM, Jim mack j...@less2do.com wrote:
  Newbie question:  I have been using screen to start factor listener.  Is
  there any way a factor listener could keep going, and yet not show as a
  detached screen?  I had assumed not, so had been relying on the presence
 of
  a screen running factor as my test of factor already running.  Now maybe
  I'll learn how to use ps better.  :)


 Are you saying that ps u | grep factor isn't showing your actual
 factor process? It should be there, even if it was run under screen
 and subsequently detached. On my Linux machine, I alias factor to
 dtach -n /tmp/factor.sock factor. It's a similar solution to just
 using screen, but dtach has a slightly different use case [1]. The
 main advantage dtach has over just backgrounding the process with
 factor  is that it won't be tied to your terminal session.

 [1] http://dtach.sourceforge.net/

 --
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Re: [Factor-talk] need help with slices

[Jim mack]

T{ slice f 0 2 ab,cd } string

Remember that each, map, first will all work - but in this case work on the
char values not little one char strings.

On Tue, Nov 16, 2010 at 12:16 PM, Jeff C. Britton j...@iteris.com wrote:

 T{ slice f 0 2 ab,cd }




-- 
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Re: [Factor-talk] How do I construct a sequence from values on thestack

[Jim mack]

[  ] each

On Tue, Nov 16, 2010 at 6:56 PM, Jeff C. Britton j...@iteris.com wrote:

 Thanks, but now I want to do the reverse.
 Stack Top Some WordNew Stack Top
 { 2 4 8 16 32 }   ?32
   16
8
4
2

 -Original Message-
 From: Chris Double [mailto:chris.dou...@double.co.nz]
 Sent: Tuesday, November 16, 2010 6:01 PM
 To: factor-talk@lists.sourceforge.net
 Subject: Re: [Factor-talk] How do I construct a sequence from values on
 thestack

 On Wed, Nov 17, 2010 at 2:56 PM, Jeff C. Britton j...@iteris.com wrote:
  What word do I need?

 There are worlds like 1array, 2array, 3array and 4array to produce an
 array from that many items on the stack. There is also 'narray' which
 is a generalisation of these for any number. eg:

 2 4 8 16 32 4 narray = { 2 4 8 16 }

 Chris.
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Re: [Factor-talk] What should I call to issue [ 8080 httpd ] in-thread again, after closing factor reopening?

[Jim mack]

Thank you!  I was looking at this more as a potential regression in factor,
but I think it more productive to look at it as my noobieness on *nx.

On Mon, Nov 15, 2010 at 10:32 AM, Jeff C. Britton j...@iteris.com wrote:

  See pitfall #3 in this link

 http://www.ibm.com/developerworks/linux/library/l-sockpit/



 I cannot help with applying this knowledge to the Factor API.



 --Jeff


  --

 *From:* Jim mack [mailto:j...@less2do.com]
 *Sent:* Sunday, November 14, 2010 11:56 AM
 *To:* factor-talk@lists.sourceforge.net
 *Subject:* [Factor-talk] What should I call to issue [ 8080 httpd ]
 in-thread again, after closing factor  reopening?



 reopening factor, then calling to [ 8080 httpd ] in-thread  is now throwing
 this kind of an error



 [2010-11-14T19:53:33Z] NOTICE start-accept-loop: T{ inet6 f :: 8080 }

 [2010-11-14T19:53:33Z] NOTICE start-accept-loop: T{ inet4 f 0.0.0.0 8080
 }

 [2010-11-14T19:53:33Z] ERROR start-accept-loop: Unix system call
 E2809CbindE2809D failed:

 [] ERROR start-accept-loop: Address already in use (98)

 [] ERROR start-accept-loop: It was called with the
 following arguments:

 [] ERROR start-accept-loop: 18

 [] ERROR start-accept-loop: S{ sockaddr-in6 f 10 36895
 0 ~uchar-array~ 0 }

 [] ERROR start-accept-loop: 28

 [2010-11-14T19:53:33Z] ERROR start-accept-loop: Unix system call
 E2809CbindE2809D failed:

 [] ERROR start-accept-loop: Address already in use (98)

 [] ERROR start-accept-loop: It was called with the
 following arguments:

 [] ERROR start-accept-loop: 18

 [] ERROR start-accept-loop: S{ sockaddr-in f 2 36895 0
 0 }

 [] ERROR start-accept-loop: 16





 I am on latest stable release binaries, ubuntu 10.4 lts, linode.  I am
 leaving the listener open in a screen.  I thought I went through months of
 this kind of deployment successfully, where I would just git pull in the
 work folder, close  restart factor + my vocab, and it would serve the
 updated page.






 --
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 I'm for extending the working Medicare program for our seniors all the way
 back to contraception, so Americans can concentrate on living their lives
 without fear of changing a job, going bankrupt from deductibles or fighting
 HMO bureaucracy.


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Re: [Factor-talk] Git

[Jim mack]

 Someone please check the following statements for accuracy:

 A == remote repo

 B == local repo

 C == local working directory including by definition the local repo (.git
 directory)

 1) *clone* copies compressed files from a remote repo to a local repo,creates 
 remote-tracking branches for each branch in the remote repository,
 and creates and *checks out* an initial branch forked from the cloned
 repository’s currently active branch.  A - B - C.

 2) *checkout* updates files in the working directory to match the version
 in the specified branch of the repo.  By default, the current branch is set
 to the specified branch.   B - C.

 3) *fetch* only copies compressed files from a remote repo to a local
 repo.  A - B.

 3) *pull*  *fetches* and then *merges* the fetched code into the current
 branch.  A - B.   No check-out is done; so how does the repo code get into
 the working directory (C)?  In practice, I think our factor.cmd does a pull
 that puts code in the working directory, which is where the compiler goes
 for its source during the build.  So this is not clear to me.  Perhaps I
 don't understand what *merge* means.

Pull performs A  B, B  C.  When I work with my own hosted git repos,
github, I either do pushes or pulls exclusively, and no other commands.


 5) *merge* replays changes from a specified branch into the current
 branch.  The changes are those resulting from commits in the specified
 branch since it diverged from the current branch.  This looks like a local,
 repo-only operation:  B - B.

I think it's B' - B, then B - C

4) *push* copies compressed files from a local repo to a remote one, to
 update it.  B - A



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Re: [Factor-talk] What should I call to issue [ 8080 httpd ] in-thread again, after closing factor reopening?

[Jim mack]

Will do.  To get going, I had been running as root (which I know is bad, but
I could get it working)  I am now trying to start using port forwarding, so
I'll try to make sure that isn't what's causing this.

Newbie question:  I have been using screen to start factor listener.  Is
there any way a factor listener could keep going, and yet not show as a
detached screen?  I had assumed not, so had been relying on the presence of
a screen running factor as my test of factor already running.  Now maybe
I'll learn how to use ps better.  :)

On Mon, Nov 15, 2010 at 2:21 PM, Doug Coleman doug.cole...@gmail.comwrote:

 Except, Factor already sets the REUSE flag with setsockopt.  So maybe you
 have a Factor running in the background?  Can you make a test case?

 Doug

 On Nov 15, 2010, at 2:01 PM, Jim mack wrote:

 Thank you!  I was looking at this more as a potential regression in factor,
 but I think it more productive to look at it as my noobieness on *nx.

 On Mon, Nov 15, 2010 at 10:32 AM, Jeff C. Britton j...@iteris.com wrote:

  See pitfall #3 in this link

 http://www.ibm.com/developerworks/linux/library/l-sockpit/


 I cannot help with applying this knowledge to the Factor API.


 --Jeff

  --

 *From:* Jim mack [mailto:j...@less2do.com]
 *Sent:* Sunday, November 14, 2010 11:56 AM
 *To:* factor-talk@lists.sourceforge.net
 *Subject:* [Factor-talk] What should I call to issue [ 8080 httpd ]
 in-thread again, after closing factor  reopening?


 reopening factor, then calling to [ 8080 httpd ] in-thread  is now
 throwing this kind of an error


 [2010-11-14T19:53:33Z] NOTICE start-accept-loop: T{ inet6 f :: 8080 }

 [2010-11-14T19:53:33Z] NOTICE start-accept-loop: T{ inet4 f 0.0.0.0 8080
 }

 [2010-11-14T19:53:33Z] ERROR start-accept-loop: Unix system call
 E2809CbindE2809D failed:

 [] ERROR start-accept-loop: Address already in use
 (98)

 [] ERROR start-accept-loop: It was called with the
 following arguments:

 [] ERROR start-accept-loop: 18

 [] ERROR start-accept-loop: S{ sockaddr-in6 f 10 36895
 0 ~uchar-array~ 0 }

 [] ERROR start-accept-loop: 28

 [2010-11-14T19:53:33Z] ERROR start-accept-loop: Unix system call
 E2809CbindE2809D failed:

 [] ERROR start-accept-loop: Address already in use
 (98)

 [] ERROR start-accept-loop: It was called with the
 following arguments:

 [] ERROR start-accept-loop: 18

 [] ERROR start-accept-loop: S{ sockaddr-in f 2 36895 0
 0 }

 [] ERROR start-accept-loop: 16



 I am on latest stable release binaries, ubuntu 10.4 lts, linode.  I am
 leaving the listener open in a screen.  I thought I went through months of
 this kind of deployment successfully, where I would just git pull in the
 work folder, close  restart factor + my vocab, and it would serve the
 updated page.




 --
 Jim
 I'm for extending the working Medicare program for our seniors all the
 way back to contraception, so Americans can concentrate on living their
 lives without fear of changing a job, going bankrupt from deductibles or
 fighting HMO bureaucracy.


 --
 Centralized Desktop Delivery: Dell and VMware Reference Architecture
 Simplifying enterprise desktop deployment and management using
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 --
 Jim
 I'm for extending the working Medicare program for our seniors all the way
 back to contraception, so Americans can concentrate on living their lives
 without fear of changing a job, going bankrupt from deductibles or fighting
 HMO bureaucracy.

 --
 Centralized Desktop Delivery: Dell and VMware Reference Architecture
 Simplifying enterprise desktop deployment and management using
 Dell EqualLogic storage and VMware View: A highly scalable, end-to-end
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 http://p.sf.net/sfu/dell-eql-dev2dev___
 Factor-talk mailing list
 Factor-talk@lists.sourceforge.net
 https://lists.sourceforge.net/lists/listinfo/factor-talk




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Re: [Factor-talk] Furnace on Windows

[Jim mack]

the work repository is a separate git base from the larger code base.  When
you are in factor\work, git knows about your personal repository (assuming
you have one set up) but when you are in factor, it knows about where you
cloned from, but will ignore work as that's a personal distribution.

On Sun, Nov 14, 2010 at 12:17 AM, Shaping shap...@charter.net wrote:


I only know the command line so I'll give you command line tips and

   you can translate them to equivalent GUI commands.

   1) Clone the factor respository

 git clone git://factorcode.org/git/factor.git

   2) In this repository you make your own changes, including adding

   stuff to the work directory, editing files, etc. Now you want to
   save

   those in git so you can update safely.

 git add work/my-new-vocab/*

 git add any-other-new-files

  The problem:  what if I have editing existing files, and there are no new
 files in the vocab root directories, only changed existing files?


  got commit -m This is a message describing my changes


3) Now you want to retrieve the latest changes from the factor
   repository:

 git fetch origin

  Oops.  I did not do the last line of (2) before I did (3). I can identify
 the menu item for (3).  It reads the same.  I cannot identifiy an add menu
 item, except under the Remote menu, which I don't think is what we want
 here.

 Nothing is apparently any different in my repo, for having done the fetch.
 Does the fetched delta show up the same way my own edits do.  Maybe not.
 If so, that would explain why I don't see them in Unstaged changes (which
 are just my manually created mods?).


4) Note that step (3) only retrieved the changes. It has made no

   changes to your actual physical source code. To update that,
   assuming

   you've done (2):

 git rebase origin/master

   Replace 'origin/master' with 'origin/clean-...' or whatever branch
   you

   are using from the factor repository. Probably master as that's the

   default. If there is a clash between your changes and the factor

   repository you'll get the chance to edit your changes and fix the

   clash. You can then do:

 git add ...file-containing-fixes

 git rebase --continue

   Or, if you are panicing, you can abort the rebase and be back to
   just

   a repository with your changes:

 git rebase --abort

   These steps will ensure that your changes always are based on top of

   the latest factor repository changes

  That's what I want, but I don't see the mapping yet to the menu items.
 I'll look around for the GUI help.  The default help doesn't mention the
 GUI, only the command line.


, making it easy to use 'git log'

   and friends to see what your changes are, and to contribute them
   back

   to factor one day.

  I just realized that work does not show in my Unstaged Changes.  Does
 anyone here use Git GUI on Windows?

 ...

 Apparently, adding (or almost adding) is the act of moving from the U
 nstaged to the Staged Changes (Will Commit) box.  This publishes to my
 clone, not to the original repo I cloned, correct?

 ...

 Why doesn't my work directory show in Unstaged Changes?  There is plenty
 of new work there.

 ...

 So I'm not sure how to do (2) yet.



 Shaping


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I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
Centralized Desktop Delivery: Dell and VMware Reference Architecture
Simplifying enterprise desktop deployment and management using
Dell EqualLogic storage and VMware View: A 

Re: [Factor-talk] Furnace on Windows

[Jim mack]

There's a lot going on, so context is difficult here, but I was trying to go
back in time before you made changes, and suggest when working on Factor
main code, you make changes *in a branch,*  sync with the larger community
in the main trunc, not a branch, then integrate your stuff by merging from
that branch into the main trunk.

Not everyone works the same way, and the regular contributors who are sure
of their work may have shortcuts for their preferences.  I didn't see much
discussion over the strategy, which may help understand things like
fetch/pull in context.

On Sun, Nov 14, 2010 at 1:01 AM, Shaping shap...@charter.net wrote:

 the work repository is a separate git base from the larger code base.

 I know.  This is the result of the cloning.

  When you are in factor\work, git knows about your personal repository
 (assuming you have one set up) but when you are in factor, it knows about
 where you cloned from, but will ignore work as that's a personal
 distribution.

 I know.  I'm concerned about possible collisions with modified stock code.
 I think the point Chris is making in his step 2 is that these changes need
 to be committed, first, but he did not mention old directories , only new
 ones.



 Shaping.





 On Sun, Nov 14, 2010 at 12:17 AM, Shaping shap...@charter.net wrote:

 I only know the command line so I'll give you command line tips and

 you can translate them to equivalent GUI commands.

 1) Clone the factor respository

   git clone git://factorcode.org/git/factor.git

 2) In this repository you make your own changes, including adding

 stuff to the work directory, editing files, etc. Now you want to save

 those in git so you can update safely.

   git add work/my-new-vocab/*

   git add any-other-new-files

 The problem:  what if I have editing existing files, and there are no new
 files in the vocab root directories, only changed existing files?

   got commit -m This is a message describing my changes

 3) Now you want to retrieve the latest changes from the factor repository:

   git fetch origin

 Oops.  I did not do the last line of (2) before I did (3). I can identify
 the menu item for (3).  It reads the same.  I cannot identifiy an add menu
 item, except under the Remote menu, which I don't think is what we want
 here.

 Nothing is apparently any different in my repo, for having done the fetch.
 Does the fetched delta show up the same way my own edits do.  Maybe not.
 If so, that would explain why I don't see them in Unstaged changes (which
 are just my manually created mods?).

 4) Note that step (3) only retrieved the changes. It has made no

 changes to your actual physical source code. To update that, assuming

 you've done (2):

   git rebase origin/master

 Replace 'origin/master' with 'origin/clean-...' or whatever branch you

 are using from the factor repository. Probably master as that's the

 default. If there is a clash between your changes and the factor

 repository you'll get the chance to edit your changes and fix the

 clash. You can then do:

   git add ...file-containing-fixes

   git rebase --continue

 Or, if you are panicing, you can abort the rebase and be back to just

 a repository with your changes:

   git rebase --abort

 These steps will ensure that your changes always are based on top of

 the latest factor repository changes

 That's what I want, but I don't see the mapping yet to the menu items.
 I'll look around for the GUI help.  The default help doesn't mention the
 GUI, only the command line.

 , making it easy to use 'git log'

 and friends to see what your changes are, and to contribute them back

 to factor one day.

 I just realized that work does not show in my Unstaged Changes.  Does
 anyone here use Git GUI on Windows?

 ...

 Apparently, adding (or almost adding) is the act of moving from the
 Unstaged to the Staged Changes (Will Commit) box.  This publishes to
 my clone, not to the original repo I cloned, correct?

 ...

 Why doesn't my work directory show in Unstaged Changes?  There is plenty of
 new work there.

 ...

 So I'm not sure how to do (2) yet.



 Shaping


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 Centralized Desktop Delivery: Dell and VMware Reference Architecture

 Simplifying enterprise desktop deployment and management using

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Re: [Factor-talk] linode memory problem

[Jim mack]

I'm running ubuntu 10.4 lts, and just refreshed factor  rebuilt using
the ./build-support/factor.sh
update method at about 10pm Saturday. The last time I build was 2 months
ago, and the code has changed, but runs on both pc  mac using the binary
downloads as recent as a week ago.

On Sun, Nov 14, 2010 at 12:05 AM, Jim mack j...@less2do.com wrote:

 How do I go about starting to think about this:

 ( scratchpad - auto ) Out of memory

 Nursery: Start=b6c8, size=10, end=b6d8
 Aging: Start=b6a8, size=20, end=b6c8
 Tenured: Start=b088, size=600, end=b688
 Cards:base=b080a008, size=65400
 r...@blogtation:/usr/factor#

 It's on the smallest linode, using port forwarding, trying to run from the
 factor listener in a screen session.  I'm a unix noobie.  The website got
 launched fine, but the first few seconds of interacting with it failed.  I
 looked in doc for the word memory, is room. detailed enough?  Does anything
 suggest itself?

 I am using ajax with polling every 500 ms but only one user in what you
 could think of as a chat app.

 room.
 == Data heap ==

 - Nursery space
 Size: 1,024 KB
 Occupied: 133 KB
 Free: 890 KB

 - Aging space
 Size: 2,048 KB
 Occupied: 194 KB
 Free: 1,853 KB

 - Tenured space
 Size: 98,304 KB
 Occupied: 60,667 KB
 Total free:   37,636 KB
 Contiguous free:  37,626 KB
 Free block count: 116

 - Miscellaneous buffers
 Card array: 405 KB
 Deck array: 0 KB
 Mark stack: 16 KB

 == Code heap ==

 Size: 65,536 KB
 Occupied: 10,131 KB
 Total free:   55,404 KB
 Contiguous free:  55,401 KB
 Free block count: 59

 Optimized code:   42096 blocks 6,886 KB
 Unoptimized code: 30440 blocks 2,737 KB
 Inline caches:3363 blocks  507 KB
 Profiling stubs:  0 blocks 0 KB
 ( scratchpad - auto )


 --
 Jim
 I'm for extending the working Medicare program for our seniors all the way
 back to contraception, so Americans can concentrate on living their lives
 without fear of changing a job, going bankrupt from deductibles or fighting
 HMO bureaucracy.




-- 
Jim
I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
Centralized Desktop Delivery: Dell and VMware Reference Architecture
Simplifying enterprise desktop deployment and management using
Dell EqualLogic storage and VMware View: A highly scalable, end-to-end
client virtualization framework. Read more!
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Factor-talk mailing list
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Re: [Factor-talk] Furnace on Windows

[Jim mack]

There is a subfolder in my work folder called .git  This is what  I think of
as the repository.  When you do a git add or commit, it's  going between
these two places.  When you do a clone, push, pull, or fetch you're going to
some remote place as well.

On Sun, Nov 14, 2010 at 3:45 PM, Shaping shap...@charter.net wrote:

 Yes. By directory below is meant place of the repo, whether a local
 place or a remote one.


 Shaping

 -Original Message-
 From: William Tanksley, Jr [mailto:wtanksle...@gmail.com]
 Sent: 2010-November-14, 17:42
 To: factor-talk@lists.sourceforge.net
 Subject: Re: [Factor-talk] Furnace on Windows

 Shaping shap...@charter.net wrote:
  If you have a personal git host somewhere, and there are free ones, try
  making two clones of the same little folder
  I thought one clones only a repo.

 Every working directory cloned from a repo is itself a repo. This is
 why git is a decentralized and distributed version control system,
 as opposed to CVS and Subversion, both of which are centralized.

  Shaping

 -Wm


 
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-- 
Jim
I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
Centralized Desktop Delivery: Dell and VMware Reference Architecture
Simplifying enterprise desktop deployment and management using
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Re: [Factor-talk] Furnace on Windows

[Jim mack]

On Sun, Nov 14, 2010 at 2:45 PM, Shaping shap...@charter.net wrote:



 There's a lot going on, so context is difficult here, but I was trying to
 go back in time before you made changes, and suggest when working on Factor
 main code, you make changes *in a branch,*  sync



 sync means to resolve conflicting changes?  I am reading the Git
 documentation from beginning to end, now, and haven't come across the term
 yet.


Git is sending around deltas with enough clues to usually accurately modify
things, and it does a good job.  Only rarely are the changes overlapping
enough to need you to resolve conflicting changes.





 with the larger community in the main trunc, not a branch, then integrate
 your stuff by merging from that branch into the main trunk.



 Not everyone works the same way, and the regular contributors who are sure
 of their work may have shortcuts for their preferences.  I didn't see much
 discussion over the strategy, which may help understand things like
 fetch/pull in context.

 I don't want to publish my changes anytime soon, only distinguish them from
 released clean-branch code, so that I can track both.



If you get tired of so much standing in your way of going forward, consider
doing manual things with these files, old-school (rename/move them, checkout
so you have latest, copy back over).  I get the sense there are a lot of
formalities standing in the way of your having more fun with the actual code
at hand.  Factor is wonderful, I love it with a *passion*.  I hope you find
time to discover that amid all the font changing and source code system
learning.


 Shaping





 On Sun, Nov 14, 2010 at 1:01 AM, Shaping shap...@charter.net wrote:

 the work repository is a separate git base from the larger code base.

 I know.  This is the result of the cloning.

  When you are in factor\work, git knows about your personal repository
 (assuming you have one set up) but when you are in factor, it knows about
 where you cloned from, but will ignore work as that's a personal
 distribution.

 I know.  I'm concerned about possible collisions with modified stock code.
 I think the point Chris is making in his step 2 is that these changes need
 to be committed, first, but he did not mention old directories , only new
 ones.



 Shaping.





 On Sun, Nov 14, 2010 at 12:17 AM, Shaping shap...@charter.net wrote:

 I only know the command line so I'll give you command line tips and

 you can translate them to equivalent GUI commands.

 1) Clone the factor respository

   git clone git://factorcode.org/git/factor.git

 2) In this repository you make your own changes, including adding

 stuff to the work directory, editing files, etc. Now you want to save

 those in git so you can update safely.

   git add work/my-new-vocab/*

   git add any-other-new-files

 The problem:  what if I have editing existing files, and there are no new
 files in the vocab root directories, only changed existing files?

   got commit -m This is a message describing my changes

 3) Now you want to retrieve the latest changes from the factor repository:

   git fetch origin

 Oops.  I did not do the last line of (2) before I did (3). I can identify
 the menu item for (3).  It reads the same.  I cannot identifiy an add menu
 item, except under the Remote menu, which I don't think is what we want
 here.

 Nothing is apparently any different in my repo, for having done the fetch.
 Does the fetched delta show up the same way my own edits do.  Maybe not.
 If so, that would explain why I don't see them in Unstaged changes (which
 are just my manually created mods?).

 4) Note that step (3) only retrieved the changes. It has made no

 changes to your actual physical source code. To update that, assuming

 you've done (2):

   git rebase origin/master

 Replace 'origin/master' with 'origin/clean-...' or whatever branch you

 are using from the factor repository. Probably master as that's the

 default. If there is a clash between your changes and the factor

 repository you'll get the chance to edit your changes and fix the

 clash. You can then do:

   git add ...file-containing-fixes

   git rebase --continue

 Or, if you are panicing, you can abort the rebase and be back to just

 a repository with your changes:

   git rebase --abort

 These steps will ensure that your changes always are based on top of

 the latest factor repository changes

 That's what I want, but I don't see the mapping yet to the menu items.
 I'll look around for the GUI help.  The default help doesn't mention the
 GUI, only the command line.

 , making it easy to use 'git log'

 and friends to see what your changes are, and to contribute them back

 to factor one day.

 I just realized that work does not show in my Unstaged Changes.  Does
 anyone here use Git GUI on Windows?

 ...

 Apparently, adding (or almost adding) is the act of moving from the
 Unstaged to the Staged Changes (Will Commit) box.  This publishes to
 my clone, not to the original 

Re: [Factor-talk] Furnace

[Jim mack]

I think you may not have sqlite installed.
http://www.sqlite.org/download.html precompiled binaries for ms go in your
factor folder for ease.  I have a sqlite3.def, .dll, .exe.

When I hide those, I get the image refers to a library or symbol that was
not found at load time which is a reasonable give-away.  Maybe it gets
closer for me because I do so much open source dev on my ms box.

On Sat, Nov 13, 2010 at 12:33 AM, Shaping shap...@charter.net wrote:


 I just tried the part from TUPLE: to init-db and it worked on both mac
 and pc.   Was this an error message?

  What did you do exactly to test it?  I trying to find all the needed
 vocabs one step at a time.  So far I've added two vocabs to the USES
 statement, and I have remaining this error:

 The image refers to a library or symbol that was not found at load time

 What is your context (USE:,  USING:, etc) for setup and testing?

 Shaping

 ! This is a self contained test of creating a sqlite db.  Click on autouse,
 paste  enter.

 TUPLE: entity id author date content ;

 entity entity {
 { id ID INTEGER +db-assigned-id+ }
 { author AUTHOR { VARCHAR 256 } +not-null+ } ! uid
 { date DATE TIMESTAMP +not-null+ }
 { content CONTENT TEXT +not-null+ }
 } define-persistent

 : blog-db ( -- db ) adhoc home prepend-path [ make-directories ] [
 blogs.sqlite append-path ] bi sqlite-db ;
 : with-blog-data ( quot -- ) '[ blog-db _ with-db ] call ; inline
 : init-db ( -- )  [
 entity ensure-table
  ] with-blog-data ;

 adhoc home prepend-path Look in:  prepend .

 init-db



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 --
 Jim
 I'm for extending the working Medicare program for our seniors all the way
 back to contraception, so Americans can concentrate on living their lives
 without fear of changing a job, going bankrupt from deductibles or fighting
 HMO bureaucracy.


 --
 Centralized Desktop Delivery: Dell and VMware Reference Architecture
 Simplifying enterprise desktop deployment and management using
 Dell EqualLogic storage and VMware View: A highly scalable, end-to-end
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 ___
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 https://lists.sourceforge.net/lists/listinfo/factor-talk




-- 
Jim
I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
Centralized Desktop Delivery: Dell and VMware Reference Architecture
Simplifying enterprise desktop deployment and management using
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Re: [Factor-talk] Furnace

[Jim mack]

Shaping,

I apologize for being lazy before:  I usually work from an environment where
many things are already loaded.  I also kept starting from what I sent, not
what you had evolved it into. I have no idea where run-fac came from.  There
is a run-factor word in the tools.deploy.backend vocab, but 

This time I went to the minimal install, added some things to the USING
clause, and made sure it works from a downloaded state.  Here is the code
for a tuple example that works:

USING: db.types db.tuples db.sqlite io.directories fry db calendar ;

TUPLE: entity id author date content ;

entity entity {
{ id ID INTEGER +db-assigned-id+ }
{ author AUTHOR { VARCHAR 256 } +not-null+ } ! uid
{ date DATE TIMESTAMP +not-null+ }
{ content CONTENT TEXT +not-null+ }
} define-persistent

: blog-db ( -- db ) adhoc home prepend-path [ make-directories ] [
adhoc.sqlite append-path ] bi sqlite-db ;
: with-blog-data ( quot -- ) '[ blog-db _ with-db ] call ; inline
: init-db ( -- )  [
entity ensure-table
 ] with-blog-data ;

adhoc home prepend-path Look in:  prepend .

init-db

entity new Jim author now date blog entry content

[ insert-tuple ] with-blog-data

entity new Shaping author now date blog entry reply content

[ insert-tuple ] with-blog-data

[ entity new select-tuples ] with-blog-data

[ select * from entity order by author sql-query  ] with-blog-data
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Re: [Factor-talk] Furnace on Windows

[Jim mack]

Thanks!  I finally had time to figure out why it was failing for me -
concatenative.factor was assigning a port to secure.

: concatenative-website-server ( -- threaded-server )
http-server
factor-secure-config secure-config
8080 insecure
os winnt? [ 8431 secure ] unless ;


-- 
Jim
I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
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Re: [Factor-talk] Furnace on Windows

[Jim mack]

From http://concatenative.org/wiki/view/Factor/Building%20Factor

Building and updating Factor the easy way

Once you have a GIT checkout of the Factor source tree, you can use the
build-support/factor.sh utility to check for updates, and build Factor:

./build-support/factor.sh update

This utility automatically updates your repository, rebuilds the Factor VM,
downloads the latest boot image, and
bootstrapshttp://concatenative.org/wiki/view/Bootstrap Factor.
This utility will work on Windows if Cygwin is installed. However, if Cygwin
is not installed, you can still build Factor using the directions below.

I don't build on windows, but from my unix host this seems to work like a
charm.

On Sat, Nov 13, 2010 at 8:42 PM, Shaping shap...@charter.net wrote:

 I have a Windows clean-branch check-out from about two weeks ago.

 Slava, your new changes are in only websites.concatenative?  I'm studying
 the Git help on updating a repository (repository branch?).

 file:///C:/Program%20Files%20(x86)/Git%
 201.7.3.1/doc/git/html/user-manual.ht
 ml#Updating-a-repository-With-git-fetch


 I use Git GUI (not the command window), and guess that command git fetch
 is the same as the Remote= Fetch From = origin.  I did that and got what
 maybe the deltas (not sure):

 From git://factorcode.org/git/factor
   f0e8593..dbfade1  clean-freebsd-x86-32 - origin/clean-freebsd-x86-32
   f0e8593..dbfade1  clean-freebsd-x86-64 - origin/clean-freebsd-x86-64
   ace41a6..dbfade1  clean-linux-x86-32 - origin/clean-linux-x86-32
   f0e8593..dbfade1  clean-linux-x86-64 - origin/clean-linux-x86-64
   f0e8593..9948004  clean-macosx-x86-32 - origin/clean-macosx-x86-32
   f0e8593..9948004  clean-macosx-x86-64 - origin/clean-macosx-x86-64
   f0e8593..dbfade1  clean-openbsd-x86-32 - origin/clean-openbsd-x86-32
   f0e8593..9948004  clean-openbsd-x86-64 - origin/clean-openbsd-x86-64
   5cc7ac4..0939515  clean-winnt-x86-32 - origin/clean-winnt-x86-32
   f0e8593..9948004  clean-winnt-x86-64 - origin/clean-winnt-x86-64
   f0e8593..f6a562a  master - origin/master

 Hitting F5 in the Git GUI, though, doesn't show any changes in my repo
 directories; so that command must not be doing what I suppose it is.

 If you have work in progress in several vocab directories (shown in
 Unstaged Changes), how do you protect those from possible overwrite,
 before you commit them?  My 'work' directory work is always safe, but not
 so
 for the other directories.

 Another possibility is to check-out again the same Tracking Branch, but
 this
 may not be necessary.  I am just now reading all of the Git Help starting
 from the beginning, but I thought I would seek a few basic guidelines here,
 as well, so that I could update my repo now, and test the web stuff.  I
 suspect most Git users do mostly the same four or five operations,
 repeatedly, to maintain their repo.


 Shaping


 -Original Message-
 From: Slava Pestov [mailto:sl...@factorcode.org]
 Sent: 2010-November-13, 18:34
 To: factor-talk@lists.sourceforge.net
 Subject: [Factor-talk] Furnace on Windows

 Hi all,

 I've fixed Furnace to work when SSL is not available, so it should
 work on Windows now. Try this for example:

 USE: websites.concatenative
 init-testing
 start-website

 Then navigate to http://localhost:8080.

 Slava


 
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back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
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Re: [Factor-talk] Furnace

[Jim mack]

Shaping,

Somehow I'm missing context.  When/where did you see run-fac?  I just tried
the part from TUPLE: to init-db and it worked on both mac and pc.   Was this
an error message?

On Fri, Nov 12, 2010 at 12:26 AM, Shaping shap...@charter.net wrote:

 Jim, can you give me more context for the bits below?   I cannot find a
 definition for run-fac.



 Shaping



 *From:* Jim mack [mailto:j...@less2do.com]
 *Sent:* 2010-November-08, 12:11
 *To:* factor-talk@lists.sourceforge.net
 *Subject:* Re: [Factor-talk] Furnace



 ! This is a self contained test of creating a sqlite db.  Click on autouse,
 paste  enter.

 TUPLE: entity id author date content ;

 entity entity {
 { id ID INTEGER +db-assigned-id+ }
 { author AUTHOR { VARCHAR 256 } +not-null+ } ! uid
 { date DATE TIMESTAMP +not-null+ }
 { content CONTENT TEXT +not-null+ }
 } define-persistent

 : blog-db ( -- db ) adhoc home prepend-path [ make-directories ] [
 blogs.sqlite append-path ] bi sqlite-db ;
 : with-blog-data ( quot -- ) '[ blog-db _ with-db ] call ; inline
 : init-db ( -- )  [
 entity ensure-table
  ] with-blog-data ;

 adhoc home prepend-path Look in:  prepend .

 init-db



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back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
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Re: [Factor-talk] Factor GUI

[Jim mack]

Well, when you're doing development, any web page is an example as you're
running locally.  The jump would be to compile it as a stand-alone.  I was
impressed how easily we have an http server.  Compare that to configuring
IIS to run ASP pages, and I want to barf.  (Yes, I know that's not apples to
apples, but often I just want the core of the apple!)

If you want to follow the path of least resistance, try getting the
calculator running then modify from there.  Next, compare to the blog webapp
and try to run it from the same 'run-calculator' type word.  Blogs should
teach you enough about chloe to decide if you like it or not.

Using fhtml templates is like php development.  Play with it:

: fhtml-file ( fname -- str ) fhtml [ call-template ] with-string-writer ;

I never have understood the exact difference between dispatcher and
responder, but somehow still can get things working.

You'll probably need to know about db-tuples, although you can do quite a
bit keeping objects in memory.  Although the web page is stateless, global
variables in factor are available because there's only one instance running
all requests.  You can also temporarily violate best practices and save
whatever you want in the session, then come back later and make it more able
to run from anywhere if you need.

On Thu, Nov 11, 2010 at 11:11 PM, Shaping shap...@charter.net wrote:

 What is currently the best example/demo involving a locally running
 web-server serving  HTML pages?  I need to get more deeply into HTML 5 and
 CSS 3, anyway.





 Shaping



 *From:* Jim mack [mailto:j...@less2do.com]
 *Sent:* 2010-November-11, 13:29
 *To:* factor-talk@lists.sourceforge.net
 *Subject:* Re: [Factor-talk] Factor GUI



 Don't ignore the possibility of deploying as a local http server and having
 a local webapp.  The server would be on the box, so it could do things
 locally, call COM, access clipboard.  It's how I'm trying to do things, and
 works cross-platform, and is only limited by your html/css skills.

 On Thu, Nov 11, 2010 at 1:35 AM, Shaping shap...@charter.net wrote:

  I would still like to convince my sup that Factor is the way to go, and

  he'll want the latest and greatest Windows 7 GUI, eventually. So my next

  question is:  Has anyone undertaken the task of making a more up-to-date

  looking set of widgets for Factor to use when creating GUI apps, even if

  those widgets/gadgets will not be used in the dev-environ itself?



 The widget styles for the Factor UI itself are just images, stored in

 basis/ui/gadgets/theme. Reskinning is a simple matter of replacing

 those images. But for end-user applications, you don't necessarily

 have to stick with the Factor UI's widgets. Since you're only

 targeting Windows, you can use the native Win32 APIs, or some other UI

 toolkit library.



 Yes, I was referring to the Win32 APIs.  Is anyone working on this now?



 This is not the best strategy, anyway, if a broad deployment is the
 objective.  The current Factor style reminds me of the Motif style.





 Shaping



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 I'm for extending the working Medicare program for our seniors all the way
 back to contraception, so Americans can concentrate on living their lives
 without fear of changing a job, going bankrupt from deductibles or fighting
 HMO bureaucracy.


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back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
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client virtualization framework. Read more!
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Re: [Factor-talk] Factor GUI

[Jim mack]

Thank you.

On Fri, Nov 12, 2010 at 9:15 AM, Jon Harper jon.harpe...@gmail.com wrote:

  I never have understood the exact difference between dispatcher and
  responder, but somehow still can get things working.

 A responder is any tuple that implements the call-responder* generic word.
 A dispatcher is a responder. Its call-responder* implementation is to
 dispatch the request to its responders.

 Jon


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without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
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Re: [Factor-talk] Help Browser slow

[Jim mack]

For what it's worth, I've not had the bug, but I usually browse over the
internet docs.  I like having multiple tabs open as I explore laterally.
 And, my mac doesn't seem to slow down using help, but my xp has for the
last 8 months over multiple versions.

On Fri, Nov 12, 2010 at 11:55 AM, Jeff C. Britton j...@iteris.com wrote:

  It is slow after a fresh install.

 The browser appears to do some kind of caching, so going to some pages is
 only slow the first time.

 Unfortunately, this caching seems to be lost upon restart.



 I get this occasionally

 You have triggered a bug in Factor. Please report.

 error: 16

 arg 1: 44

 arg 2: f

 Starting low level debugger...





 Most recently when pressing the Back button.



 --Jeff


  --

 *From:* Jim mack [mailto:j...@less2do.com]
 *Sent:* Thursday, November 11, 2010 9:16 PM

 *To:* factor-talk@lists.sourceforge.net
 *Subject:* Re: [Factor-talk] Help Browser slow



 I first noticed this on xp once I had loaded a few libraries, usually
 furnace.  Does the fresh exe seems reasonable?

 On Thu, Nov 11, 2010 at 5:17 PM, Jeff C. Britton j...@iteris.com wrote:

 On Windows XP the Browser that is opened upon clicking Help in the listener
 is painfully slow.

 For example, I clicked on Vocabulary tags, and a couple of minutes went by
 before the tags appeared.
 I then clicked on collections and another couple of minutes went by before
 the collections appeared.

 Is this normal?





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 without fear of changing a job, going bankrupt from deductibles or fighting
 HMO bureaucracy.


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without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
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Re: [Factor-talk] Docs and other topics

[Jim mack]

1)  A google search:  site:http://docs.factorcode.org/  [ ] each
often finds what I'm looking for in the details, rather than as a
topic/word.

2)  I generate the docs html locally using a word provided and use a grep
tool.
   USE: help.html
load-all
   generate-help

  will make it in factor\temp\docs.  I move it out of there.  Lots of
files.

This is where one would generate the PDF as well.

3)  I use a grep tool on the source itself, because that includes the code
that generates the documents.

On Thu, Nov 11, 2010 at 3:09 AM, Balazs Toth balazs...@gmail.com wrote:

 Hi,

 I don't know if my previous mail reached the list or not, but let me ask
 you once again:

 - is there some accumulated, readable documentation of Factor somewhere? Or
 at least a cheat sheet about the various features of the language? The help
 system is really nice and sufficient as it is if someone already knows what
 he is looking for.
 - in another thread you are talking about the UI and the adaptation of the
 system by someones supervisor. I would like to adapt the language as a
 supervisor, but cannot do that because of its unreal learning curve and lack
 of a handbook.
 - is Factor anywhere already used commercially? Is the making of the
 language financially efficient or only a side project currently for you
 Slava? About how reliable are the various features one can read about in the
 help?

 Thanks,
 Balazs



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back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
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Re: [Factor-talk] Factor GUI

[Jim mack]

Don't ignore the possibility of deploying as a local http server and having
a local webapp.  The server would be on the box, so it could do things
locally, call COM, access clipboard.  It's how I'm trying to do things, and
works cross-platform, and is only limited by your html/css skills.

On Thu, Nov 11, 2010 at 1:35 AM, Shaping shap...@charter.net wrote:

   I would still like to convince my sup that Factor is the way to go, and

  he'll want the latest and greatest Windows 7 GUI, eventually. So my next

  question is:  Has anyone undertaken the task of making a more up-to-date

  looking set of widgets for Factor to use when creating GUI apps, even if

  those widgets/gadgets will not be used in the dev-environ itself?



 The widget styles for the Factor UI itself are just images, stored in

 basis/ui/gadgets/theme. Reskinning is a simple matter of replacing

 those images. But for end-user applications, you don't necessarily

 have to stick with the Factor UI's widgets. Since you're only

 targeting Windows, you can use the native Win32 APIs, or some other UI

 toolkit library.



 Yes, I was referring to the Win32 APIs.  Is anyone working on this now?



 This is not the best strategy, anyway, if a broad deployment is the
 objective.  The current Factor style reminds me of the Motif style.





 Shaping


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I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
Centralized Desktop Delivery: Dell and VMware Reference Architecture
Simplifying enterprise desktop deployment and management using
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Re: [Factor-talk] Help Browser slow

[Jim mack]

I first noticed this on xp once I had loaded a few libraries, usually
furnace.  Does the fresh exe seems reasonable?

On Thu, Nov 11, 2010 at 5:17 PM, Jeff C. Britton j...@iteris.com wrote:

 On Windows XP the Browser that is opened upon clicking Help in the listener
 is painfully slow.

 For example, I clicked on Vocabulary tags, and a couple of minutes went by
 before the tags appeared.
 I then clicked on collections and another couple of minutes went by before
 the collections appeared.

 Is this normal?





 --
 Centralized Desktop Delivery: Dell and VMware Reference Architecture
 Simplifying enterprise desktop deployment and management using
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back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
Centralized Desktop Delivery: Dell and VMware Reference Architecture
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Re: [Factor-talk] Furnace, XStreams (PEGs) and some observations about Factor

[Jim mack]

Maybe the dsl aspect could be viewed as applying a layer of sugar to the
stack based workhorse.  You could easily have 'adjectives' that accumulate
into a variable, not on the stack, then a noun word that takes those options
and does the work.  This is how I accumulate attributes for the HTML
elements, and it feels like a dsl:

Save button submit
org id
form +content

button puts save into an attribute variable
submit uses (and clears) that variable, appends to the working collection
id puts org in the same place that button put things before
form uses the all-id variable to set attributes as it wraps what's on the
stack
+content puts it away somewhere.

This, I think, works fine for a dsl.  It also works fine if the 'attribute
value' is a field of an object on the stack, and the stack throughout this
is
( page-assembly current-chunk xx -- page-assembly current-chunk )
or sometimes going down to
( page-assembly current-chunk  -- page-assembly )

Using vocabularies, you could even keep an internal and an external version
of the word, where the stack one works faster, the other is the DSL.
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Re: [Factor-talk] Furnace

[Jim mack]

! This is a self contained test of creating a sqlite db.  Click on autouse,
paste  enter.

TUPLE: entity id author date content ;

entity entity {
{ id ID INTEGER +db-assigned-id+ }
{ author AUTHOR { VARCHAR 256 } +not-null+ } ! uid
{ date DATE TIMESTAMP +not-null+ }
{ content CONTENT TEXT +not-null+ }
} define-persistent

: blog-db ( -- db ) adhoc home prepend-path [ make-directories ] [
blogs.sqlite append-path ] bi sqlite-db ;
: with-blog-data ( quot -- ) '[ blog-db _ with-db ] call ; inline
: init-db ( -- )  [
entity ensure-table
 ] with-blog-data ;

adhoc home prepend-path Look in:  prepend .

init-db
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Re: [Factor-talk] Furnace

[Jim mack]

   The current furnace paradigm has you creating many actions, then
   sending quots to slots in them.  I've been working on something where 
 the
   page uses a tuple and generics to process  render itself, and
   a router determines which tuple to start with.  This all happens
   through a single action.  So the crud operations for an object all 
 descend
   from a general object tuple page, giving lots of places for overriding
   behavior.

 The idea sounds well-factored.

Thanks.  It's been fun and a great way to learn.  On the other hand, you
can't give your html to a designer to have them make it prettier.


  I'm not trying to make an argument that it's better, it just fits how
   I think.  It's also not ready for prime time, but you asked, so I 
 answered
   :)

   A further squirrely thing I'm doing is generating the HTML 
   unobtrusive JS

 What is unobtrusive JavaScript?

The dom events aren't coded within the html but require a javascript call to
hook in.  I maintain a few javascript queues during the build process, add a
request when I reneder the html for the object, then insert the queue
contents into the page at the appropriate time - some to the page load
event, some in the head, some at the end of the document.


 along the way, rather than having any page artifacts that get parsed
   (chloe) or filled (fhtml).  And I've written words to add to and reuse 
 the
   tuple slot meta data.  This is the html/form generation for a subset of
   fields in the tuple:

   content-edit-fields
   Org Information HTML LEGEND +
   org-fields all-id
   FIELDSET BR
   Save button submit+
   org all-id
   form
   yields:
   
 *http://paste.factorcode.org/paste?id=2044*http://paste.factorcode.org/paste?id=2044

 I saved down the form and dropped it on Chrome and saw a reasonable 4-field
 form in a group box with a save button below the group box.   How do I
 learn more about this scheme and what you have in mind for it?  Is there a
 blog describing the idea in more detail?

I am still very much a newbie here, crippled by my lack of formal CS
training - I barely understand most of the conversations :)  A lot of it was
written before I knew what I now know, and I am trying to get an actual
project launched before I have time to go back and make it
non-embarrassing.  I also would like to pay my dues by helping with existing
documentation and examples, rather than adding yet another approach to an
already large body of library code.  Sadly, I still haven't built factor on
my daily (work) xp pc.  You may be an inspiration for that.

In context, I thought I was mentioning it after I had counseled you to try a
factor code-compile-test cycle that wasn't perfectly what you desired to
just get going and have fun.  I just didn't want you to think I was trying
to shut down non-orthodox ideas - factor to me represents just the
opposite.  Which I remember as a problem with forth - everyone did
everything their own way and reinvented many wheels, so it was too hard to
get started for a casual person.


  Shaping



 --
 The Next 800 Companies to Lead America's Growth: New Video Whitepaper
 David G. Thomson, author of the best-selling book Blueprint to a
 Billion shares his insights and actions to help propel your
 business during the next growth cycle. Listen Now!
 http://p.sf.net/sfu/SAP-dev2dev
 ___
 Factor-talk mailing list
 Factor-talk@lists.sourceforge.net
 https://lists.sourceforge.net/lists/listinfo/factor-talk




-- 
Jim
I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
The Next 800 Companies to Lead America's Growth: New Video Whitepaper
David G. Thomson, author of the best-selling book Blueprint to a 
Billion shares his insights and actions to help propel your 
business during the next growth cycle. Listen Now!
http://p.sf.net/sfu/SAP-dev2dev___
Factor-talk mailing list
Factor-talk@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/factor-talk

Re: [Factor-talk] ErgoEmacs installation on Windows 7 64-bit; Factor-editor integration

[Jim mack]

Congratulations.  Sorry I wasn't able to help more.  I gave up on ergoEmacs,
maybe a little quickly, after a feeling it was dramatically slower than the
emacs I had compiled.

On Sun, Nov 7, 2010 at 4:06 AM, Shaping shap...@charter.net wrote:

  Jim/all:



 I got Factor working with ErgoEmacs.  I'll report the details after I
 sleep.





 Shaping



 *From:* Shaping [mailto:shap...@charter.net]
 *Sent:* 2010-November-07, 02:34

 *To:* factor-talk@lists.sourceforge.net
 *Subject:* Re: [Factor-talk] ErgoEmacs installation on Windows 7 64-bit;
 Factor-editor integration



 Jim, I'm using the installer from



 http://ergoemacs.org/



 I'm not building Emacs.  The original Emacs is horribly unergonomic.
 Powerful as it can be as a center for all user action on a PC, it's a little
 embarrassing for its keyboard bindings, as the  creators of ErgoEmacs have
 amply explained.



 I want to stick with ErgoEmacs or switch to some other editor.  Suggestions
 anyone?



 Jim, did you get your ErgoEmacs install to work with Factor?



 When I open ErgoEmacs, it does its initialization.  Clicking on the edit
 field at the bottom, immediately after initialization opens a pane in the
 bottom half of the window and shows all that was done:



 Loading c:/Program Files (x86)/ErgoEmacs
 1.8.1/site-lisp/../ergoemacs/init...

 Loading ergoemacs-keybindings/ergoemacs-mode...

 Loading functions...done

 Loading ergoemacs-unbind...done

 Loading ergoemacs-layout-us...done

 Loading ergoemacs-keybindings/ergoemacs-mode...done

 Loading init_load_packages...

 Loading haskell-mode-2.7.0/haskell-site-file...done

 (((fundamental-mode . minibuffer-complete-and-exit) . 2) ((fundamental-mode
 . execute-extended-command) . 3) ((Info-mode .
 Info-mouse-follow-nearest-node) . 1) ((Info-mode . mouse-drag-region) . 1)
 ((Info-mode . mwheel-scroll) . 22) ((Info-mode . info-emacs-manual) . 1)
 ((fundamental-mode . self-insert-command) . 76) ((fundamental-mode .
 shell-command) . 2) ((fundamental-mode . mwheel-scroll) . 54)
 ((fundamental-mode . delete-backward-char) . 12) ((fundamental-mode .
 kill-region) . 3) ((fundamental-mode . mouse-set-point) . 7)
 ((fundamental-mode . mouse-drag-region) . 20) ((fundamental-mode .
 minibuffer-complete-word) . 3) ((fundamental-mode . set-background-color) .
 4) ((fundamental-mode . backward-char) . 5) ((fundamental-mode .
 delete-char) . 1) ((fundamental-mode . cua--prefix-override-handler) . 2)
 ((fundamental-mode . cua-copy-region) . 2) ((fundamental-mode .
 scroll-bar-toolkit-scroll) . 103))

 Loading init_load_packages...done

 Loading init_version...done

 Loading init_functions...done

 Loading init_settings...done

 Loading c:/Program Files (x86)/ErgoEmacs 1.8.1/ergoemacs/init_aliases.el
 (source)...done

 Loading init_keybinding...done

 Loading init_mouse...done

 Loading init_clean_menus...done

 Loading c:/ErgoEmacs 1.8.1/.emacs.d/.recentf...done

 Cleaning up the recentf list...done (0 removed)

 server-ensure-safe-dir: The directory `~/.emacs.d/server' is unsafe



 Above there is no mention of loading a file called .emacs, although you may
 wonder whether Loading init_load_packages or init-functions or
 init_settings is a kind of synonym for the stuff in .emacs.  Apparently
 not.  I can press M-a, type set-back-ground color, press Enter, type
 grey, press Enter, and see the background change to grey, as expected.  I
 entered the same command



 (set-background-color grey)



 into my .emacs file, saved it, opened ErgoEmacs, and saw no color change.
 I conclude that the init file is not being loaded.  I checked the file for
 only LF line-end termination, too.  It is correct.



 Turns out that the *user's* HOME variable is the one to be used.  I set my
 HOME to C:\Users\username.  There is a long discussion about the
 correctness of this choice:




 http://groups.google.com/group/ergoemacs/browse_thread/thread/7699b73df70005ed



 Note that the first posting in the above thread say that .emacs is loaded
 from the place where HOME points.  I placed my .emacs file there in
 C:\Users\username; my HOME variable points

 to the same place.  My init file does not load when ErgoEmacs is launched.
 I must be missing something.



 I was hoping to do some Factor this weekend.  That may not happen.



 Has anyone experience with E-TextEditor (sometimes called just E)?  It
 seems to be a Windows-based TextMate work-alike.  Is anyone any working on
 non-Emacs REPL-base editor integration for Factor?





 Shaping



 *From:* Jim mack [mailto:j...@less2do.com]
 *Sent:* 2010-November-06, 19:54
 *To:* factor-talk@lists.sourceforge.net
 *Subject:* Re: [Factor-talk] ErgoEmacs init file not loading



 Shaping,

 I don't remember the order I did these things in, but here are some
 artifacts I can find.

 User variable HOME set to c:\emacs
 System variable HOME set to C:\documents and settings\jmack
 nothing in registry at HKCU\SOFTWARE\GNU\

 .emacs file at c:\emacs.  Make sure not to use a windows

Re: [Factor-talk] load-all

[Jim mack]

I understand what you're trying to do by your other posts, and I'm not
sophisticated enough to help, but I thought I should mention this, even if
it is short of perfect:  I almost always keep
http://docs.factorcode.org/open and really enjoy its clickable
definitions, plus the ability to
control-click and get multiple tabs for later browsing while still following
the current chain of interest.  And, bookmarking for later access.

Further, Google can help you find things within the source if you google
site:http://docs.factorcode.org/  some term.

I'm not trying to imply you should stop your search for what you feel is
perfection; merely sharing my 20/80% solutions.  I personally have gone far
off road with the website framework furnace, because Factor gives us so much
power to do it as we wish it could be done.

On Sun, Nov 7, 2010 at 4:43 PM, Shaping shap...@charter.net wrote:

I did a load-All in the Factor listener.  After all words were loaded,
 I had four errors involving use of deprecated words:



 resource:extra/24-game/24-game.factor: 13



 Asset: some-rots



 The definition of some-rots uses these deprecated words:

 spin





 resource:extra/calendar/holidays/holidays.factor: 17



 Asset: POSTPONE: HOLIDAY-NAME:



 The definition of POSTPONE: HOLIDAY-NAME: uses these deprecated words:

 spin





 resource:extra/math/finance/finance.factor: 17



 Asset: ema



 The definition of ema uses these deprecated words:

 spin



 resource:extra/trees/avl/avl.factor: 138



 Asset: (avl-delete)



 The definition of (avl-delete) uses these deprecated words:

 tuck



 Are we supposed to keep after and fix stuff like this?  I know these are
 minor problems, but I think I will be loading everything from now on, in
 order to learn more quickly about all vocabularies.  I'm trying to tread my
 Factor  as I would a fully loaded Smalltalk image.



 Shaping




 --
 The Next 800 Companies to Lead America's Growth: New Video Whitepaper
 David G. Thomson, author of the best-selling book Blueprint to a
 Billion shares his insights and actions to help propel your
 business during the next growth cycle. Listen Now!
 http://p.sf.net/sfu/SAP-dev2dev
 ___
 Factor-talk mailing list
 Factor-talk@lists.sourceforge.net
 https://lists.sourceforge.net/lists/listinfo/factor-talk




-- 
Jim
I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
The Next 800 Companies to Lead America's Growth: New Video Whitepaper
David G. Thomson, author of the best-selling book Blueprint to a 
Billion shares his insights and actions to help propel your 
business during the next growth cycle. Listen Now!
http://p.sf.net/sfu/SAP-dev2dev___
Factor-talk mailing list
Factor-talk@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/factor-talk

Re: [Factor-talk] Furnace; Emacs

[Jim mack]

We're hampered by not having a secure connection in windows.  Slava did some
things to make it better, but it hasn't worked yet and I haven't had time to
track down why.  I feel bad I haven't given him any feedback yet after he
did this for me.   That being said, here's some fixes to
\extra\webapps\blogs that make it work up to a point:

http://paste.factorcode.org/paste?id=2043

The comments I've added at the end may help you get started to where you can
see the main menu.

Hope that helps a little.


The current furnace paradigm has you creating many actions, then sending
quots to slots in them.  I've been working on something where the page uses
a tuple and generics to process  render itself, and
a router determines which tuple to start with.  This all happens through a
single action.  So the crud operations for an object all descend from a
general object tuple page, giving lots of places for overriding behavior.
I'm not trying to make an argument that it's better, it just fits how I
think.  It's also not ready for prime time, but you asked, so I answered :)


A further squirrely thing I'm doing is generating the HTML  unobtrusive JS
along the way, rather than having any page artifacts that get parsed (chloe)
or filled (fhtml).  And I've written words to add to and reuse the tuple
slot meta data.  This is the html/form generation for a subset of fields in
the tuple:

content-edit-fields
Org Information HTML LEGEND +
org-fields all-id
FIELDSET BR
Save button submit+
org all-id
form
yields:
http://paste.factorcode.org/paste?id=2044
--
The Next 800 Companies to Lead America's Growth: New Video Whitepaper
David G. Thomson, author of the best-selling book Blueprint to a 
Billion shares his insights and actions to help propel your 
business during the next growth cycle. Listen Now!
http://p.sf.net/sfu/SAP-dev2dev___
Factor-talk mailing list
Factor-talk@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/factor-talk

Re: [Factor-talk] ErgoEmacs init file not loading

[Jim mack]

Shaping,

I don't remember the order I did these things in, but here are some
artifacts I can find.

User variable HOME set to c:\emacs
System variable HOME set to C:\documents and settings\jmack
nothing in registry at HKCU\SOFTWARE\GNU\

.emacs file at c:\emacs.  Make sure not to use a windows editor on it,
unless it has settings for unix cr stripping.

c:\emacs
.emacs.d
 init.txt
 emacs-23.1
  INSTALL
  bin\runemacs.exe

C:\emacs\emacs-23.1\bin\runemacs.exe is where it built itself to using make.

INSTALL contains the instructions I followed:  
1. Make sure your system has at least 120 MB of free disk space.

  2a. `cd' to the directory where you unpacked Emacs and invoke the
  `configure' script:

 ./configure

5. Invoke the `make' program:

 make

  6. If `make' succeeds, it will build an executable program `emacs'
 in the `src' directory.  You can try this program, to make sure
 it works:

 src/emacs -q

  7. Assuming that the program `src/emacs' starts and displays its
 opening screen, you can install the program and its auxiliary
 files into their installation directories:

 make install



As a complete newbie, I did everything exactly as specified, and made no
assumptions.  I had previously had ruby running on this xp 32 box, had
installed git.  Has emacs ever been able to start, or is this a case where
emacs starts but integration through fuel to factor is the issue?

C:\Program Files\ErgoEmacs\ergoEmacs.exe also runs for me, does not contain
any .emacs files itself.

It may be that my going with a seeming convention of c:\emacs as the base
for the gnu emacs was what helps the defaults keep together?

On Sat, Nov 6, 2010 at 3:59 PM, Shaping shap...@charter.net wrote:

  Hi Jim.



 I'm trying to use ErgoEmacs, but I cannot get it working either on Windows
 7 64-bit.



 The contents of my .emacs file:



 (load-file F:\media\repositories\factor\misc\fuel\fu.el)

 (setq fuel-listener-factor-binary F:\media\repositories\factor

 (setq fuel-listener-factor-image F:\media\repositories\factor

 (set-background-color cornsilk)



 These lines are gleaned from the readme file that comes with the FUEL
 vocab.



 The contents don't matter now because the file is not being loaded by Emacs
 or ErgoEmacs.



 I saved the .emacs file in the ErgoEmacs install directory, in the bin
 subdirectory, in .emacs.d  and in .emac.s/server.  The .emacs.d directory is
 the only non-installation directory the installer creates.



 When ErgoEmacs launches for the first time, the status bar says The
 directory '~/.emacs.d/server is unsafe.



 1. If the environment variable HOME is set, use the directory it
 indicates.

 2. If the registry entry HKCU\SOFTWARE\GNU\Emacs\HOME is set, use the
 directory it indicates.

 3. If the registry entry HKLM\SOFTWARE\GNU\Emacs\HOME is set, use the
 directory it indicates. Not recommended, as it results in users sharing the
 same HOME directory.

 4. If C:\.emacs exists, then use C:/. This is for backward
 compatibility, as previous versions defaulted to C:/ if HOME was not set.

 5. Use the user's AppData directory, usually a directory called 
 Application
 Data under the user's profile directory, the location of which varies
 according to Windows version and whether the computer is part of a domain.



 This bit above seems thorough, but does not help with Emacs or ErgoEmacs.



 Where did you place your .emacs file.   Did you need to create a HOME
 environment variable?





 Shaping



 *From:* Jim mack [mailto:j...@less2do.com]
 *Sent:* 2010-November-05, 03:42
 *To:* factor-talk@lists.sourceforge.net
 *Subject:* Re: [Factor-talk] Working style; default font; preferred text
 styler with REPL



 I got gnu emacs working on my xp laptop by following these instructions,
 http://www.gnu.org/software/emacs/windows/ntemacs.html
 and the ones on the factor website:
 http://www.gnu.org/software/emacs/windows/ntemacs.html.  I was able to get
 it to call factor  compile, and to update my source file's USING: as I
 added words.

 Then, I played around with ergo emacs, and screwed everything up, and ran
 out of time.  I'm a newbie, just thought that piece of info would be
 confirmation that it's possible.

 Jim


 --
 The Next 800 Companies to Lead America's Growth: New Video Whitepaper
 David G. Thomson, author of the best-selling book Blueprint to a
 Billion shares his insights and actions to help propel your
 business during the next growth cycle. Listen Now!
 http://p.sf.net/sfu/SAP-dev2dev
 ___
 Factor-talk mailing list
 Factor-talk@lists.sourceforge.net
 https://lists.sourceforge.net/lists/listinfo/factor-talk




-- 
Jim
I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living

Re: [Factor-talk] Working style; default font; preferred text styler with REPL

[Jim mack]

I got gnu emacs working on my xp laptop by following these instructions,
http://www.gnu.org/software/emacs/windows/ntemacs.html
and the ones on the factor website:
http://www.gnu.org/software/emacs/windows/ntemacs.html.  I was able to get
it to call factor  compile, and to update my source file's USING: as I
added words.

Then, I played around with ergo emacs, and screwed everything up, and ran
out of time.  I'm a newbie, just thought that piece of info would be
confirmation that it's possible.

Jim
--
The Next 800 Companies to Lead America's Growth: New Video Whitepaper
David G. Thomson, author of the best-selling book Blueprint to a 
Billion shares his insights and actions to help propel your 
business during the next growth cycle. Listen Now!
http://p.sf.net/sfu/SAP-dev2dev___
Factor-talk mailing list
Factor-talk@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/factor-talk

Re: [Factor-talk] Working style; default font; preferred text styler with REPL

[Jim mack]

also look for Integration with Emacs in the article index (a link from
home in the browser)

On Fri, Nov 5, 2010 at 1:41 AM, Jim mack j...@less2do.com wrote:

 I got gnu emacs working on my xp laptop by following these instructions,
 http://www.gnu.org/software/emacs/windows/ntemacs.html
 and the ones on the factor website:
 http://www.gnu.org/software/emacs/windows/ntemacs.html.  I was able to get
 it to call factor  compile, and to update my source file's USING: as I
 added words.

 Then, I played around with ergo emacs, and screwed everything up, and ran
 out of time.  I'm a newbie, just thought that piece of info would be
 confirmation that it's possible.

 Jim




-- 
Jim
I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
The Next 800 Companies to Lead America's Growth: New Video Whitepaper
David G. Thomson, author of the best-selling book Blueprint to a 
Billion shares his insights and actions to help propel your 
business during the next growth cycle. Listen Now!
http://p.sf.net/sfu/SAP-dev2dev___
Factor-talk mailing list
Factor-talk@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/factor-talk

Re: [Factor-talk] Windows web development problem getting around HTTPS

[Jim mack]

Thank you, Slava.  I'd volunteer but it's above my paygrade.  I hope to
contribute to the doc/tutorial effort once my current project gets launched.

Jim

On Sun, Oct 24, 2010 at 3:55 PM, Slava Pestov sl...@factorcode.org wrote:

 Hi Jim,

 Until I or someone else gets SSL working for Windows, the sensible
 thing is probably for Furnace to not require https for logins on
 Windows. I've pushed a patch with this change.

 The reason we don't support OpenSSL on Windows is that it doesn't
 support non-blocking IO there. On Unix, its relatively easy to use
 OpenSSL with a non-blocking descriptor. On Windows it is still
 possible, but it requires the use of a lower-level API where you
 marshall encrypted data in and out of buffers yourself before handing
 it off to the I/O subsystem. If anyone wants to take this project on,
 it would be great. Let me know and I'll give pointers.

 Slava

 On Sat, Oct 23, 2010 at 3:07 PM, Jim mack j...@less2do.com wrote:
  Hi,
 
  Factor doc says that secure sockets is not supported:
  http://docs.factorcode.org/content/article-io.sockets.secure.html
  I've tried installing the now 1.0 http://www.openssl.org/ for windows,
 and
  it hasn't 'magically' started working.  I'm out of my depth here, and may
 be
  using the wrong terms/ideas.
 
  I'd like to use the code like 'blogs' in webapps.  It works fine on my
 Mac,
  but I have to spend my day in Windows, and I think you have that user
 group
  very well supported in general.  My first desire would be to know where
 to
  temporarily stub out the secure stuff so I can have fake security on
 windows
  until I test on mac  post the real stuff to linode.
 
  If I can't stub the security, I would like to be to be able to fake an
  authorized login.  The code is far beyond me at this time - it's a clear
  symbol 'logged-in-user' I need to set, but I seem to need to do this in
 some
  kind of context.  I keep running into continuation/realm errors, and I'm
 not
  understanding what context I need to start before setting the auth
 variables
  that actually store the stuff.
 
  I've tried sending a user tuple to successful-login from my own code, but
  run into some kind of continuation/realm mismatch (it tries to end
 something
  I didn't know to start).  I tried setting logged-in-user in my own code,
 but
  have a context problem, because when the blogs code tries to get it, it's
  null, or I get a stack overflow error.
 
  I've made my own auth routines to work in http just to get going, and I
 can
  make some calls to responders like blogs, but sooner or later something
  expects furnace's auth to be set correctly.  Can someone help point me to
 a
  way to subvert this, or authoritatively tell me I can't?  :)
 
  Thanks.
 
  --
  Jim
 
 
 --
  Nokia and ATT present the 2010 Calling All Innovators-North America
 contest
  Create new apps  games for the Nokia N8 for consumers in  U.S. and
 Canada
  $10 million total in prizes - $4M cash, 500 devices, nearly $6M in
 marketing
  Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store
  http://p.sf.net/sfu/nokia-dev2dev
  ___
  Factor-talk mailing list
  Factor-talk@lists.sourceforge.net
  https://lists.sourceforge.net/lists/listinfo/factor-talk
 
 


 --
 Nokia and ATT present the 2010 Calling All Innovators-North America
 contest
 Create new apps  games for the Nokia N8 for consumers in  U.S. and Canada
 $10 million total in prizes - $4M cash, 500 devices, nearly $6M in
 marketing
 Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store
 http://p.sf.net/sfu/nokia-dev2dev
 ___
 Factor-talk mailing list
 Factor-talk@lists.sourceforge.net
 https://lists.sourceforge.net/lists/listinfo/factor-talk




-- 
Jim
I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
--
Nokia and ATT present the 2010 Calling All Innovators-North America contest
Create new apps  games for the Nokia N8 for consumers in  U.S. and Canada
$10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing
Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store 
http://p.sf.net/sfu/nokia-dev2dev___
Factor-talk mailing list
Factor-talk@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/factor-talk

[Factor-talk] Windows web development problem getting around HTTPS

[Jim mack]

Hi,

Factor doc says that secure sockets is not supported:
http://docs.factorcode.org/content/article-io.sockets.secure.html
I've tried installing the now 1.0 http://www.openssl.org/ for windows, and
it hasn't 'magically' started working.  I'm out of my depth here, and may be
using the wrong terms/ideas.

I'd like to use the code like 'blogs' in webapps.  It works fine on my Mac,
but I have to spend my day in Windows, and I think you have that user group
very well supported in general.  My first desire would be to know where to
temporarily stub out the secure stuff so I can have fake security on windows
until I test on mac  post the real stuff to linode.

If I can't stub the security, I would like to be to be able to fake an
authorized login.  The code is far beyond me at this time - it's a clear
symbol 'logged-in-user' I need to set, but I seem to need to do this in some
kind of context.  I keep running into continuation/realm errors, and I'm not
understanding what context I need to start before setting the auth variables
that actually store the stuff.

I've tried sending a user tuple to successful-login from my own code, but
run into some kind of continuation/realm mismatch (it tries to end something
I didn't know to start).  I tried setting logged-in-user in my own code, but
have a context problem, because when the blogs code tries to get it, it's
null, or I get a stack overflow error.

I've made my own auth routines to work in http just to get going, and I can
make some calls to responders like blogs, but sooner or later something
expects furnace's auth to be set correctly.  Can someone help point me to a
way to subvert this, or authoritatively tell me I can't?  :)

Thanks.

-- 
Jim
--
Nokia and ATT present the 2010 Calling All Innovators-North America contest
Create new apps  games for the Nokia N8 for consumers in  U.S. and Canada
$10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing
Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store 
http://p.sf.net/sfu/nokia-dev2dev___
Factor-talk mailing list
Factor-talk@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/factor-talk

Re: [Factor-talk] The image refers to a library or symbol that was not found at load time

[Jim mack]

Until you get a better answer, I had this problem until I installed
sqlite3.  This was on windows :( but is worth checking.

2010/10/5 Damian Dobroczyński qoo...@gmail.com

 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1

 Hi list!

 I've tried to compile and run factor from git repository on my new
 machine (Kubuntu 10.04). Unfortunaltely it does not work. When trying to
 run it I'm obtaining: The image refers to a library or symbol that was
 not found at load time which apparently wants to tell me that some
 shared library is missing. Could you tell me what libraries are required
 to run factor vanilla image?

 D.
 -BEGIN PGP SIGNATURE-
 Version: GnuPG v1.4.10 (GNU/Linux)
 Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

 iEYEARECAAYFAkyrPiAACgkQWPXp0gyuOusO3wCfbcQ3GM4BKGxLy0wv0KwK5BNQ
 yKcAn1/yuvg2+GPTZUTapU3V38NOl5PO
 =ruxJ
 -END PGP SIGNATURE-


 --
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Re: [Factor-talk] Newbie question about handbook

[Jim mack]

The simplest way of describing the pure stack effects of if, for a situation
like this:

t [  ] [  ] if

would be

( ? quot quot -- )

You could write
: example ( ? quot quot -- ) if ; inline
t [ ] [ ] example

( The idea of inline is beyond my ability to explain.  I add it, like a
monkey, every time I see a compilation error like Cannot apply “if” to an
input parameter of a non-inline word)

Inside the quotation could be stuff that doesn't actually do anything to the
stack.  I think of the syntax you're asking about as trying to be more
visually descriptive for a new user, and it's making the point that the most
common use case would be to transform some thing(s) that are on the stack,
conditionally.  So, I think ..a could be thought of as the precondition of
the stack before if's parameters and ..b could be the stack condition after
either path.  This includes the idea of there being no stack as well.  The
inner parenthetical groups describe the expected stack effect of each branch
of condition execution, and try to explain that it transforms the stack.
This syntax is not trying to imply any comment about the depth of the stack.

Jim


On Sat, Sep 18, 2010 at 6:23 AM, Fabian Boucsein 
fabian.boucs...@googlemail.com wrote:

 Thanks for your answer Anton. But what does the ..a exactly mean?
 It is a stack effect row variable? Is there a connection with the number of
 arguements it stands for?

 Greetings,
 Fabian



 Anton Gorenko schrieb:
  if '?' is t, not '..a'.
  http://docs.factorcode.org/content/article-effects.html
  http://docs.factorcode.org/content/article-effects-variables.html
 
  'true' and 'false' quotations have same stack effects, they take 'a'
  (a = 0) values from the stack and leave 'b' (b = 0) values on the
  stack.
  So '3 2 t [ + ] [ - ] if' is correct ('true' and 'false' have ( x x --
  x ) stack effect, 'if' has ( x x ? true: ( x x --  x ) false: ( x x --
   x ) -- x ) stack effect in this case), but
  '3 2 t [ + + ] [ - ] if', '3 t [ + ] [ - ] if', '3 2 t [ + ] [ 1 ]
  if', etc. are incorrect.
 
  2010/9/18 Fabian Boucsein fabian.boucs...@googlemail.com:
 
  Hello Factor mailing list,
 
  i try to understand the definition of if in the factor handbook:
  if ( ..a ? true: ( ..a -- ..b ) false: ( ..a -- ..b) -- ..b)
 
  I read if ..a is true execute the true codeblock else the false block
  which is quite clear but what does the last ..b stands for?
  Thanks for your help.
 
  Fabian
 
 
 
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Re: [Factor-talk] Something like outputarray, but less smart?

[Jim mack]

Hi, Kyle.  You're famous to me from Delphi, and I also benefited from your
writeup on using Git on windows.  Welcome to Factor.  I've been searching
for a home since Delphi's decline in market share, and this seems to be it
for me; hope you have fun here.  The community is great (I mean, a four
minute delay on your answer???).

On Wed, Aug 25, 2010 at 6:36 PM, Slava Pestov sl...@factorcode.org wrote:

 Hi Kyle,

 One approach is to use with-datastack. Here anything goes:

 ( scratchpad - auto ) { } [ 10 iota [ ] each ] with-datastack .
 { 0 1 2 3 4 5 6 7 8 9 }

 However a better approach might be to use something like 'make' where
 you explicitly call , with each element to add it in:

 ( scratchpad - auto ) [ 10 iota [ , ] each ] { } make .
 { 0 1 2 3 4 5 6 7 8 9 }

 If you tell us what you're trying to achieve (instead of just how
 you're trying to achieve it), someone might be able to suggest a
 better approach.

 Slava

 On Wed, Aug 25, 2010 at 6:32 PM, Kyle Cordes k...@kylecordes.com wrote:
  Factor gurus,
  Could anyone kindly point me toward something similar to outputarray,
 but
  which doesn't infer the array size (and thus can't fail because of
 trouble
  so inferring), but which rather just catches the results of the quotation
  (whatever size it happens to be) and makes that an array?
  I have looked at the docs quite a lot, and haven't been able to figure
 this
  out.
 
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[Factor-talk] FUEL listener running web page

[Jim mack]

Hi, I've got FUEL working w/listener, on Mac, factor version = yesterday's
binaries.  I'm launching a furnace website.

If I launch it from Factor listener directly, it executes but locks the
listener, and I have to restart it.  (Once I've restarted it, I can modify
source, hit F2 and the website reflects those changes, and if I call the
launching word again, it no longer locks the listener - only the first
time.)  If this seems just too weird, see my explanation below.

If I launch from aquamacs, the same thing happens, but I don't know how to
restart the listener.  If I launch it from aquamacs listener in a thread, it
serves the website but I don't know how to get it to refresh its code.

Is there a way to work interactively whereby C-c C-r will update my
website's code, just as I can do in the factor listener?

Thanks,
Jim

What's launching the website, in case I'm causing this problem:

: 4eyes-web ( -- )
[ route-and-return ] to: trick-to-get-reloading
4eyes
[ 4eyes-responder
4eyes-db alloy
init-4eyes-dbs
main-responder set-global
8080 httpd ] with-logging ;

It probably isn't important, but just in case, I know it's non standard and
I have my doubts I'd try it again, but I use one action and have it parse
the request's url  params to decide what to do, from within the display
slot, and that's what trick-to-get-reloading is.  Until I did this, I didn't
seem to get the website code refreshed just by hitting F2, unless I directly
called 4eyes-web again (it was early in my learning curve, so maybe I just
got something wrong, but it's working).
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[Factor-talk] http.factor: cookie sometimes returns non resizable collection

[Jim mack]

Sorry, I don't build from source on my windows laptop, so here's a manual fix:

http.factor
: parse-cookie ( string -- seq )

] { } make ;

needs to be:
] V{ } make ;

the test on put-cookie doesn't have it parsing a request.  Writing
that test is beyond me at the moment.
This does break 4 existing tests that hardcode a cookie result of { }.

This may apply to parse-set-cookie as well, but I didn't test this.

Detail of Problem:

Trying to use put-cookie, stepped as far as the final push, the
inspector showed a stack
T{ request ...}
T{ cookie ... }
{ ~cookie~ ~cookie~ ~cookie~ }

and push fails with Sequence index out of bounds
index 3
seq   { ~cookie~ ~cookie~ ~cookie~ }
URL http://localhost/abc;


(U) Quotation: [ set-namestack init-catchstack self quot call - stop ]

(O) Word: handle-client
(O) Method: M\ http-server handle-client*
(O) Word: do-request
(O) Method: M\ sessions call-responder*
(O) Word: handle-get
(U) Quotation: [
2dup [
~quotation~ dip

dup terminated? ~quotation~ ~quotation~ if
] 2dip - rot [ 2drop ] [ wrong-values ] if
]
(U) Quotation: [
[ ~quotation~ dip dip ] dip - dup terminated?

[ 2drop f ]
[ dup in length swap out length check-datastack ] if
]
(U) Quotation: [ swap [ call ] dip - ]
Word: dip
(O) Word: route-and-return
(O) Word: (route-and-return)

(U) Quotation: [ set-password-for-machine - f ]
(U) Quotation: [ [ request get ] dip pkey  put-cookie - drop ]
(U) Quotation: [
[ break name dupd get-cookie ~quotation~ when* ] keep
over cookies push -

]
(O) Method: M\ sequence set-nth
(O) Word: bounds-error
(O) Method: M\ object throw
(U) Quotation: [
63 special-object error-thread set-global
continuation - error-continuation set-global rethrow

]



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Re: [Factor-talk] http.factor: cookie sometimes returns non resizable collection

[Jim mack]

On further thought, probably I'm incorrect in trying to set a cookie in the
request, rather than the response.

Sorry :)

On Sun, Jul 18, 2010 at 1:56 PM, Jim mack j...@less2do.com wrote:

 Sorry, I don't build from source on my windows laptop, so here's a manual fix:

 http.factor
 : parse-cookie ( string -- seq )
 
 ] { } make ;

 needs to be:
 ] V{ } make ;

 the test on put-cookie doesn't have it parsing a request.  Writing that test 
 is beyond me at the moment.
 This does break 4 existing tests that hardcode a cookie result of { }.

 This may apply to parse-set-cookie as well, but I didn't test this.

 Detail of Problem:

 Trying to use put-cookie, stepped as far as the final push, the inspector 
 showed a stack
 T{ request ...}
 T{ cookie ... }

 { ~cookie~ ~cookie~ ~cookie~ }


 and push fails with Sequence index out of bounds
 index 3
 seq   { ~cookie~ ~cookie~ ~cookie~ }
 URL http://localhost/abc;
 

 
 (U) Quotation: [ set-namestack init-catchstack self quot call - stop ]

 (O) Word: handle-client
 (O) Method: M\ http-server handle-client*
 (O) Word: do-request
 (O) Method: M\ sessions call-responder*
 (O) Word: handle-get
 (U) Quotation: [
 2dup [
 ~quotation~ dip


 dup terminated? ~quotation~ ~quotation~ if
 ] 2dip - rot [ 2drop ] [ wrong-values ] if
 ]
 (U) Quotation: [
 [ ~quotation~ dip dip ] dip - dup terminated?


 [ 2drop f ]
 [ dup in length swap out length check-datastack ] if
 ]
 (U) Quotation: [ swap [ call ] dip - ]
 Word: dip
 (O) Word: route-and-return
 (O) Word: (route-and-return)


 (U) Quotation: [ set-password-for-machine - f ]
 (U) Quotation: [ [ request get ] dip pkey  put-cookie - drop ]
 (U) Quotation: [
 [ break name dupd get-cookie ~quotation~ when* ] keep
 over cookies push -


 ]
 (O) Method: M\ sequence set-nth
 (O) Word: bounds-error
 (O) Method: M\ object throw
 (U) Quotation: [
 63 special-object error-thread set-global
 continuation - error-continuation set-global rethrow


 ]



 --
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 I'm for extending the working Medicare program for our seniors all the way
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Re: [Factor-talk] getting the ip of this system

[Jim mack]

USING: io.launcher io.files.temp ;

Windows:
   process ipconfig command ip.txt temp-file stdout try-process

puts ipconfig results to file to the temp directory.  Try:  ip.txt
temp-file

Mac
   process ifconfig command ip.txt temp-file stdout try-process

On Sat, Jul 17, 2010 at 3:03 AM, Ben Schlingelhof b...@benseins.de wrote:

 Hi there,

 anybody know how I can get the (DHCP-provided) IP-Address of the
 current system? I've tried f 8000 inet resolve-host but it only
 gives me 0.0.0.0, not too useful.

 Ben

 --
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 benseins.de


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Re: [Factor-talk] getting the ip of this system

[Jim mack]

Better:

  process
 os windows? ipconfig ifconfig ? command
  ascii process-reader stream-lines

gives you a sequence.

On Sat, Jul 17, 2010 at 10:55 AM, Jim mack j...@less2do.com wrote:

 USING: io.launcher io.files.temp ;

 Windows:
process ipconfig command ip.txt temp-file stdout try-process

 puts ipconfig results to file to the temp directory.  Try:  ip.txt
 temp-file

 Mac
process ifconfig command ip.txt temp-file stdout try-process

 On Sat, Jul 17, 2010 at 3:03 AM, Ben Schlingelhof b...@benseins.de wrote:

 Hi there,

 anybody know how I can get the (DHCP-provided) IP-Address of the
 current system? I've tried f 8000 inet resolve-host but it only
 gives me 0.0.0.0, not too useful.

 Ben

 --
 Ben Schlingelhof
 benseins.de


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[Factor-talk] Regexp problem?

[Jim mack]

jim123 R/ [0-2]/ x re-replace
works
jim123 R/ [0-2]*/ x re-replace
bombs factor.

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Re: [Factor-talk] information request about ui part

[Jim mack]

Not to speak against the gui, I just want to weigh in by mentioning that
factor can host a website locally as well.  You can deploy an executable,
stripped down  compiled factor that serves some local ip  port, then the
user just browses to it.

On Fri, Jul 16, 2010 at 7:38 AM, Kobi Lurie k_lu...@gbrener.org.il wrote:

  Hey guys, I'm looking to do more serious 'factor'ing, and want to
 build a complete app.
 But the documentation for the gui part, is very limited.
 (I also like the portable nature of the gui and that it looks the same -
 and would like to create something)

 Are there any tutorials I missed, or that you're in the middle of?
 can I ask questions here, as I'm unpuzzling this?

 on a related note, the rebol gui was the easiest/cutest I saw.
 Does the factor base lack gui applications because of a limitation or
 poor api of gadgets, or simply no interest yet?


 I'm very interested to have atleast some initial basis to build upon,
 and feel that it's a shame to switch languages just because of a
 library. factor code is nice and simple imo.

 Welcoming any info and comments,
 Kobi

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[Factor-talk] Anyone experienced with websockets as a Factor server?

[Jim mack]

I'm not good enough to implement this from the ruby code.  Has anyone given
it a thought?

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[Factor-talk] namespaces

[Jim mack]

When rendering an fhtml page within the furnace.alloy framework, I am trying
to get to the same namespace that the listener is in.  In other words, I
expected to use set in the listener, then get (on the same key) in the fhtml
page, but it returns f.  I see that the page has a namestack 11 deep, my
listener's is 4.

I think I understand cset and cget, sset and sget, and html forms' set-value
and value, but am trying for something a little more global but not quite
global-global.  Is the 4th namespace when in listener unreachable from the
furnace.alloy namestack?

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Re: [Factor-talk] namespaces

[Jim mack]

Thanks, Slava

Would the responder then have a namespace in common among HTTP threads using
an explicit bind? Sure, thanks.

Mostly I was trying to take advantage of the 'look in a chain of assocs
until you find it' functionality, and thought I could do so with a
combination of make-assoc and bind fairly cheaply.  I had a list of general
replacements, and specific ones, and ones that change rapidly, and thought
that chaining would be 'better' than cloning  adding specifics each time.

One of the reasons I was drawn to Factor for web is that I understood it to
have less startup costs - it's always in memory, etc.  I am doing a local
(desktop) website that will have a lot of quick interaction, and didn't want
to save/load all of it each ping.  So I keep it in global memory,
serializing to disk after n changes.  Please feel free to point me in some
direction if this seems foolish.

The only odd problem I've had so far, that I don't have pinned down enough
to report, is that occasionally chrome and firefox on an xp box where I do
most development (day job) will clearly be interacting with a different
webserver.  Usually I've been in both, correctly interacting, then make some
change (or possibly have a crash).  I'll restart factor  the primary
browser (usually chrome) and it initializes properly, but the other browser
(usually ff), which was open all along, still retains the old in-mem data.
I can interact with it successfully, and it is clearly the version from
before the factor restart, but task manager does not list factor.  I can
even close all ff windows and restart ff and still have this happening,
although as I type that I realize I didn't check the task manager to make
sure some hidden ff process wasn't keeping it open.

Once I even tried gradually killing random processes until I found the
culprit.  I killed all for me, most for system, when I killed one I
shouldn't have.  But throughout, I had a responsive web server in the other
browser.

This has happened across many factor builds since mid November, but I can't
swear to you the first time I saw it.

Jim


On Sat, Jul 10, 2010 at 4:32 AM, Slava Pestov sl...@factorcode.org wrote:

 Hi Jim,

 Every thread has its own namestack. The listener runs in its own
 thread and so does every HTTP request. So dynamic variables are not
 the right abstraction here unfortunately. What you should do instead
 is have the furnace action set form values with set-value, and access
 those values from the fhtml template. The best way to save a value
 between invocations of an action is to persist it in a database,
 because then your web app will support transparent fail-over. Another
 good approach is to subclass the dispatcher responder and store them
 in there, and add your actions to the dispatcher as well. If you're
 interested I'll write up an example of this pattern.

 Slava

 On Sat, Jul 10, 2010 at 4:21 AM, Jim mack j...@less2do.com wrote:
  When rendering an fhtml page within the furnace.alloy framework, I am
 trying
  to get to the same namespace that the listener is in.  In other words, I
  expected to use set in the listener, then get (on the same key) in the
 fhtml
  page, but it returns f.  I see that the page has a namestack 11 deep, my
  listener's is 4.
 
  I think I understand cset and cget, sset and sget, and html forms'
 set-value
  and value, but am trying for something a little more global but not quite
  global-global.  Is the 4th namespace when in listener unreachable from
 the
  furnace.alloy namestack?
 
  --
  Jim
  I'm for extending the working Medicare program for our seniors all the
 way
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  without fear of changing a job, going bankrupt from deductibles or
 fighting
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Re: [Factor-talk] namespaces

[Jim mack]

Thanks very much!  I can't reproduce it yet, but am trying. One thing I
forgot to mention:  I can still interact with website in one browser while
factor itself has closed and task manager doesn't list any factor instances,
a vital fact... :)

On Sat, Jul 10, 2010 at 1:12 PM, Slava Pestov sl...@factorcode.org wrote:

 On Sat, Jul 10, 2010 at 2:25 PM, Jim mack j...@less2do.com wrote:
  Thanks, Slava
 
  Would the responder then have a namespace in common among HTTP threads
 using
  an explicit bind? Sure, thanks.

 That's one option, yes, or you can store the data in the responder
 directly. It takes a bit of boilerplate at the moment, perhaps at some
 point in the future it can be streamlined:

 TUPLE: my-web-app  dispatcher data ;

 : my-web-app ( -- responder )
my-web-app new-dispatcher
blah-action blah add-responder
... ;

 M: my-web-app call-responder*
[ my-web-app set ] [ call-next-method ] bi ;

 Then your action can do

 my-web-app get data

 Of course you can name your slots anything, not just 'data'.

  Mostly I was trying to take advantage of the 'look in a chain of assocs
  until you find it' functionality, and thought I could do so with a
  combination of make-assoc and bind fairly cheaply.  I had a list of
 general
  replacements, and specific ones, and ones that change rapidly, and
 thought
  that chaining would be 'better' than cloning  adding specifics each
 time.

 If you have a sequence of assocs, you can search for a key using the
 'assoc-stack' word. This is the word that is used to implement 'get'.

  The only odd problem I've had so far, that I don't have pinned down
 enough
  to report, is that occasionally chrome and firefox on an xp box where I
 do
  most development (day job) will clearly be interacting with a different
  webserver.  Usually I've been in both, correctly interacting, then make
 some
  change (or possibly have a crash).  I'll restart factor  the primary
  browser (usually chrome) and it initializes properly, but the other
 browser
  (usually ff), which was open all along, still retains the old in-mem
 data.
  I can interact with it successfully, and it is clearly the version from
  before the factor restart, but task manager does not list factor.  I can
  even close all ff windows and restart ff and still have this happening,
  although as I type that I realize I didn't check the task manager to make
  sure some hidden ff process wasn't keeping it open.

 This sounds like a problem in http.server's handling of cache control
 headers. A couple of people have reported similar issues in the past
 on the Factor web site. Let me know if you find a test case.

 Slava


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[Factor-talk] how to stub/mock existing words

[Jim mack]

I'm writing unit-tests and I need to change the behavior of a word.   It's
something I didn't write myself so it doesn't lend itself to generics.  What
is the syntax for changing what executes?  Forth allows you to change the
cfa or something (long time ago, blurry memory).  If I just redefine the
word within the test, is there any danger something will use the prior
version rather than my new definition?  I'm thinking of macros, but don't
really know anything :)

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Re: [Factor-talk] A newbie with some questions

[Jim mack]

Well, I am not qualified to comment (or even follow) a majority of this
discussion, but I may have some useful input re: QNX is POSIX compliant,
but the graphical UI (Photon) may be a problem.

Factor out of the box provides an HTTP web server that you can run locally
for machine interaction, and browse to for UI control.  I have been pursuing
this approach in my projects, and it works well.

Jim
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Re: [Factor-talk] Factor educational tools

[Jim mack]

While we're on the subject, does anyone know a cheap hosting site that
allows you to run custom executables?  I use dreamhost and haven't asked
them to host factor yet, but remember trying to use Ruby in the early days
and it took them a while to get going.

On Sun, Mar 28, 2010 at 4:20 AM, Henrik Huttunen
henrik.huttu...@gmail.comwrote:

 Thanks :)

 Unfortunately I probably didn't include that option when I paid my
 service and I cannot seem to locate a place where I could add DNS
 management service. But I hope it doesn't bother anyone how it is
 setup at the moment (redirecting to different url, that is).

 I will probably someday buy virtual environment for that domain. Maybe
 then it's time setup everything properly. If there is no easy
 solution, I'll put my effort into the content, for the time being.

 - Henrik
 
  If you have access to the zone file and a static ip to point at, you can
 add
  something like this to it:
  @ 10800 IN A openeducational-ip4
  factor 10800 IN A factoredu-ip4
  * 10800 IN A openeducational-ip4
 
  This will keep the masking effect without all that funny frame
 business.
  The factor line is only neccessary if you want the factor subdomain at
  another IP. I did this to my first domain just the other day, so I
 apologize
  if I there are any mistakes.
 
 
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Re: [Factor-talk] Factor educational tools

[Jim mack]

Thanks

On Sun, Mar 28, 2010 at 11:35 AM, Joe Groff arc...@gmail.com wrote:

 On Mar 28, 2010, at 2:32 AM, Henrik Huttunen wrote:

  Thanks for your feedback, Joe.
 
  It should be fixed now.

 It works now, Henrik. Really cool stuff.

 -Joe


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Re: [Factor-talk] *-in-c-type-name

[Jim mack]

I've been working with the ODBC code with this change for a few months now:

TYPEDEF: short* SQLSMALLINT*

but am not knowledgeable enough why it would be wrong.  It was early in my
Factor learning process, and I can't swear I tested every data type.

On Mon, Mar 15, 2010 at 12:05 PM, Joe Groff arc...@gmail.com wrote:

 On Mar 15, 2010, at 6:18 AM, Ben Schlingelhof wrote:

 Hi there,

 I've tried to use the odbc-vocab in the newest factor source. I get
 this interesting error:

 17: TYPEDEF: void* SQLSMALLINT*
   ^
 *-in-c-type-name


 You're correct. Pointers no longer need to be (or can be) typedef-ed
 separately from their underlying types. If you want to define an opaque C
 type (that is, one which is valid as a pointer type but not as a value
 type), you can use C-TYPE: .

 Generic word underlying does not define a method for the string class.
 Dispatching on object: DSN=TEST_DSN


 I bet this is because of a recent change in string handling in the FFI.
 While parameters with a char* pointer type used to be treated specially and
 would automatically convert Factor strings to C strings and back, this is no
 longer the case. A separate type, c-string, is now used to automatically
 convert strings in the FFI. This is discussed in the C strings article of
 the FFI docs:

 http://docs.factorcode.org/content/article-c-strings.html

 The fix for odbc will probably be to update some parameters that take char*
 parameters (or typedefs thereof) to now take c-string parameters.

 -Joe


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Re: [Factor-talk] MS-SQL

[Jim mack]

I have reworked everything but the translation of dates and will post a copy
shortly.  I didn't want to do so incomplete, but no reason for you to redo
that work.

ffi:
http://paste.factorcode.org/paste?id=1572
lib:
http://paste.factorcode.org/paste?id=1573
odbc main:
http://paste.factorcode.org/paste?id=1574

It was one of the first things I did in factor, so I expect it could be
better ;(  and don't have git capability where I am right now.

Jim



On Wed, Mar 10, 2010 at 6:52 AM, Ben Schlingelhof 
ben.schlingel...@googlemail.com wrote:

 Thanks, everyone. I'll have a look at the odbc-port.

 On Wed, Mar 10, 2010 at 14:11, Chris Double chris.dou...@double.co.nz
 wrote:
  On 03/11/2010 12:25 AM, Paul Moore wrote:
  Hmm, looks like I may have been wrong. I was working from
  http://www.bluishcoder.co.nz/2007/01/odbc-interface-for-factor.html
  but that looks like it's out of date as I can't find anything in the
  current factor codebase.
 
  It's in 'unmaintained/odbc' in the source distribution (the git
  repository). It shouldn't take much effort to get it working again for
  someone new to factor.
 
  Chris.
  --
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Re: [Factor-talk] MS-SQL

[Jim mack]

Also, wanted to get the db.tuples working with this, but kept getting stuck.

On Wed, Mar 10, 2010 at 8:11 AM, Jim mack j...@less2do.com wrote:

 I have reworked everything but the translation of dates and will post a
 copy shortly.  I didn't want to do so incomplete, but no reason for you to
 redo that work.

 ffi:
 http://paste.factorcode.org/paste?id=1572
 lib:
 http://paste.factorcode.org/paste?id=1573
 odbc main:
 http://paste.factorcode.org/paste?id=1574

 It was one of the first things I did in factor, so I expect it could be
 better ;(  and don't have git capability where I am right now.

 Jim



 On Wed, Mar 10, 2010 at 6:52 AM, Ben Schlingelhof 
 ben.schlingel...@googlemail.com wrote:

 Thanks, everyone. I'll have a look at the odbc-port.

 On Wed, Mar 10, 2010 at 14:11, Chris Double chris.dou...@double.co.nz
 wrote:
  On 03/11/2010 12:25 AM, Paul Moore wrote:
  Hmm, looks like I may have been wrong. I was working from
  http://www.bluishcoder.co.nz/2007/01/odbc-interface-for-factor.html
  but that looks like it's out of date as I can't find anything in the
  current factor codebase.
 
  It's in 'unmaintained/odbc' in the source distribution (the git
  repository). It shouldn't take much effort to get it working again for
  someone new to factor.
 
  Chris.
  --
  http://bluishcoder.co.nz
 
 
 --
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Re: [Factor-talk] Vocab for comparing complex data types

[Jim mack]

Thanks!  Never thought to look at that.  I did get something going with the
lcs library, but this may be better.

On Sun, Feb 21, 2010 at 10:44 AM, Kobi Lurie k_lu...@gbrener.org.il wrote:

  On 21/2/2010 16:28, Jim mack wrote:
  I have some complicated datastructure, mixing containers  tuples,
  like an ast.  I would like to get a report on what's different between
  two of them, say for a test.  Is there an existing vocab for that?  It
  won't need to be fast.  My first thought was to get the prettyprint
  representations, then diff through an external tool.

 Hi Jim, do you know of mirrors?
 I'm not sure if that's what you mean, but maybe something like this:

 : obj-diff ( big small -- diff )
[ mirror alist ] bi@ swap diff ;

 TUPLE: xyz x y z ;
 xyz new 4 z 2 x
 xyz new 3 x

 --- Data stack:
 T{ xyz f 2 f 4 }
 T{ xyz f 3 f f }
 ( scratchpad - auto ) obj-diff .
 { { x 3 } { z f } }

 Best Regards, Kobi

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[Factor-talk] Factor addins to editpad, editpadpro

[Jim mack]

You can download  use by going to options/configure file types, and set up
a factor file type.  These help on the Syntax  Navigation tab.  It will
give you a quick navigate tab with all the words listed alphabetically by
parser word, and lists INCLUDING files.  Handles nesting of [ and { 4 deep.

I didn't get every element, so if you have any special requests, I would be
glad to upgrade.

http://www.editpadpro.com/cgi-bin/cscslist3.pl?focus=261

http://www.editpadpro.com/cgi-bin/cscslist3.pl?focus=261
http://www.editpadpro.com/cgi-bin/fnslist.pl?focus=65

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Re: [Factor-talk] slide-rule

[Jim mack]

Oh, sorry, I misunderstood something a while back.  I thought this was a
process to take a few inputs and generate a gcode file that ran some kind of
machine process to produce it, but I see where you mention wanting to
present a graphic simulation.

Doesn't this type of input to a milling machine have its own visualizer?

On Fri, Feb 5, 2010 at 1:10 PM, Hugh Aguilar hughaguila...@yahoo.comwrote:


 --
 *From:* Jim mack j...@less2do.com
 *To:* factor-talk@lists.sourceforge.net
 *Sent:* Wed, February 3, 2010 10:02:50 PM
 *Subject:* Re: [Factor-talk] slide-rule

  I am just getting started in Factor, and am partially drawn to the
 ability to do cross platform GUI development, but I thought I should mention
 a cool ability to ship a self-contained HTTP server using their easy to use
 furnace library.  It could launch a browser to itself on startup and produce
 the output format file locally.  If you already do web programming it
 shouldn't be much of a learning curve.


 I have never done any GUI programming or web programming, so either
 approach would represent new ground for me. I am somewhat dubious of the
 idea of a browser/server, as there is a lot of data to work with. I could be
 wrong, considering that I've never done this, but my understanding of the
 browser/server idea is that the program running on the browser is dealing
 with a very small amount of data such as the fields in a data-entry form.

 Perhaps it would help if I explained how my slide-rule program works: It is
 a three-stage process:

 1.) I have words such as D-scale, A-scale, etc., that each generate a
 linked-list representing the scale. Each node is a MARK:

 list
 w field .kind\  the kind of mark this is (TNY, SML,
 MID, BIG or XTR)
 f field .n   \ the numeric value of the mark
 (corresponds to .LABEL)
 f field .dist   \ derived from N and measured in Lunits
 (distance from left edge)
 w field .orientation   \ the direction of the label in relation to
 the mark
 w field .label\ the hstr of the label if there is a
 label
 constant mark

 \ If .ORIENTATION is N/A, then there is no label and .LABEL is irrelevant.
 \ The DIST value is nominally in the range [0,1], although it might extend
 over the edge slightly.

 2.) I convert these MARK lists into SHAPE lists. These contain absolute
 coordinates (in inches) of all the marks and labels on a particular face of
 the slide-rule. Each node is a SHAPE:

 list
 p field .src
 p field .dst
 w field .siz
 w field .txt
 constant shape \ a text string or a line segment

 \ The P fields are .X and .Y pairs.
 \ If the .SIZ field is a KIND (TNY, SML, MID, BIG or XTR), then the shape
 is a text string.
 \ The .SRC field is the lower-left corner and the .DST field is not used.
 \ If the .SIZ field is N/A, then the shape is a line segment.
 \ The .SRC and .DST fields are the endpoints.

 3.) I convert the SHAPE lists into gcode. All the information in each SHAPE
 node gets etched with G01 commands, and I also pick up the tool and move it
 with a G00 command from each element to the next.

 The Factor program would be the same as the Forth except that I will use
 sequences rather than linked lists, as linked lists are apparently not
 idiomatic in Factor. The GUI would allow the user to drag-and-drop the
 scales into place to construct the slide-rule, and would also allow the user
 to simulate the use of the slide-rule by moving the slide and the cursor to
 and fro on the constructed slide-rule. There would have to be an alternative
 #3 step above that generates some kind of graphical image rather than gcode.

 Does Factor have the ability to display SVG on the screen? Or would I need
 to generate some other kind of graphical image? If Factor has support for
 displaying graphical images (of any kind) on the screen, then I think the
 whole thing would be best written in Factor as a GUI program. If Factor
 can't do this, then it might be better to have the Factor program generate
 SVG on the server side, and then write a JavaScript program to run in a
 browser and display the SVG images.




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Re: [Factor-talk] Not getting MACRO:

[Jim mack]

Got it working, thanks.

2010/1/15 Philipp Brüschweiler ble...@gmail.com

 Am Thu, 14 Jan 2010 23:17:04 -0800
 schrieb Jim mack j...@less2do.com:
  Hi.  Can you please help me understand why the final line here
  results in a stack underflow?
 
  USING: accessors arrays kernel locals present select8.html
  classes.tuple sequences prettyprint fry macros nested-comments
  combinators ;
 
  TUPLE: testing id firstname lastname age ;
  : testing ( id fn ln age -- tpl ) testing boa ;
  : testdata ( -- tpl ) 1 jim mack 46 testing ;
  : testing-schema ( -- seq )
  {   { First Name  [ firstname ] }
  { Last Name  [ lastname ] }
  { Age  [ age ] } } ;
 
  : non-macro-way ( tpl -- )
  {
  [ First Name  write  firstname print ]
  [ Last Name  write lastname print ]
  [ Age  write  age present print ]
  } cleave ;
 
  testdata non-macro-way
 
  ! using fry
 
  testdata { } clone
   testing-schema [ first2 '[ _ write  @ present print ] suffix ] each
cleave
 
  MACRO: easier ( alist -- ) { } clone swap
  [ first2 '[ _ write  @ present print ] suffix ] each cleave ;
 
  : fancyprint ( tpl -- )
  testing-schema easier  ; inline
 
  testdata fancyprint   ! stack underflow

 Hi Jim

 If I understand you correctly, your intent is that fancyprint will be
 the same as non-macro-way, just with dynamically generated code. If so,
 your problem is that you don't generate a quotation as output of the
 macro, specifically the call to cleave gets executed at parse time.

 Here's a correct version (with { } clone swap [ .. suffix ] each
 simplified to map):

 MACRO: easier ( alist -- )
[ first2 '[ _ write  @ present print ] ] map '[ _ cleave ] ;

 For fancyprint to work, you have to declare testing-schema inline, make
 a CONSTANT: out of it or directly write the alist into fancyprint.

 Cheers


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[Factor-talk] Not getting MACRO:

[Jim mack]

Hi.  Can you please help me understand why the final line here results in a
stack underflow?

USING: accessors arrays kernel locals present select8.html classes.tuple
sequences prettyprint fry macros nested-comments combinators ;

TUPLE: testing id firstname lastname age ;
: testing ( id fn ln age -- tpl ) testing boa ;
: testdata ( -- tpl ) 1 jim mack 46 testing ;
: testing-schema ( -- seq )
{   { First Name  [ firstname ] }
{ Last Name  [ lastname ] }
{ Age  [ age ] } } ;

: non-macro-way ( tpl -- )
{
[ First Name  write  firstname print ]
[ Last Name  write lastname print ]
[ Age  write  age present print ]
} cleave ;

testdata non-macro-way

! using fry

testdata { } clone
 testing-schema [ first2 '[ _ write  @ present print ] suffix ] each
  cleave

MACRO: easier ( alist -- ) { } clone swap
[ first2 '[ _ write  @ present print ] suffix ] each cleave ;

: fancyprint ( tpl -- )
testing-schema easier  ; inline

testdata fancyprint   ! stack underflow
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[Factor-talk] sqlite query obtaining column titles

[Jim mack]

A few sqlite confusions, all bundled together.  I am having so much fun
learning factor, it's keeping me up at night, which hasn't happened to me
for a long time.  THANKS!

0) When I try to step through #3 below, trying to see the code that is
appending the result row to the result set, the walker doesn't reveal the
magic.  I see a vector with the rows in it on the stack and/or retain stack,
but can't figure out what word puts them there.  I suspect it has something
to do with the continuation c word, but haven't grokked that yet.  Can
someone shed some light?

1)  Main, underlying goal: I want to get the column headings returned after
a sqlite query is run.  I know how to use PRAGMA to get the def of a table,
but I need to process ad-hoc queries (on an intranet from secure users).  I
managed to do this for ODBC by capturing the column structure as it's
processed for the first row, but can't find the equivalent in the sqlite
library.  Below is what I've tried, please point out where I've gone wrong.

2)  I see row-column, which says it takes a result set and a column index.
I tried sticking this into advance-row, but don't get what I expect.  When I
step through #3 below, row-column returns a 0.

3)  M: sqlite-result-set advance-row ( result-set -- )
B   dup 0 row-column drop  ! trying to apply row-column in a place it should
be valid, but only get a 0
 dup handle sqlite-next has-more? drop ;

4)  I tried decomposing the words along the way to get a good result-set
data structure that row-column could work against, but keep striking out:

5) select tbl_name from sqlite_master where type = 'table'
   [  f f simple-statement [ query-results ] with-disposal ]
with-sample-db
   results in:
   T{ sqlite-result-set
   { sql
   select tbl_name from sqlite_master where type = 'table'
   }
   { handle ALIEN: 1001b1e48 }
   { has-more? t }
   }

6) which will get me a sqlite-result-set, but I can't figure out how to use
it: the results from #5 above, when I execute #columns on it, I get
65536000, which isn't right.

Any light you can shed is greatly appreciated!

-- 
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[Factor-talk] debug furnace app

[Jim mack]

One thing I love about Factor is you can run words against the stack at any
depth of code and figure out what's going on.

How could this be done to simulate/test what a furnace action does, or maybe
the responder as a whole?  Also, is there a log being autowritten, for each
responder?

Thanks in advance!

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[Factor-talk] Conversion ODBC help questions

[Jim mack]

Hi,

New to factor, did some forth long time ago.  Converting
unmaintained\odbc.factor for use on Windows. Am using the binary factor
deploy for now.

1)  CHAR: \space string is missing \space.
a) Of course CHAR: 32 string works, but it seems we avoid this.  What
is better way?
b) Closest I can come is command-writer.factor, which has a CHAR: space
write1.  I can't figure out where space is defined.  I think I looked (but
obviously missed it) in each file in USING: io io.crlf kernel math.parser
sequences strings interpolate locals ;  and browser is not helpful.  What
techniques are there to start from command-writer  find out where it thinks
it's getting the word from?

2)  finding conflicts for TYPEDEF: short XXX.
a) says between alien.c-types  sequences
b) I read the latter should win in USING: but this doesn't seem to apply
c) I read syntax  alien.c-types xxx  would help, but can't find
that article now, and couldn't figure out exact syntax at the time.
d) I actually fixed by moving to an ffi folder so it didn't have any
code requiring sequences, which may be correct, but I'd like to understand
c) or whatever name conflict resolution there is.

3)  Use of r r
a) I remember this from forth, but it seems to be stamped out, and may
even by a religious argument?
b) As a quick and ugly, I implemented this as
SYMBOL: fakestack
: init-fake-stack ( -- )
8 vector fakestack set ;
: r ( n -- )  fakestack get push ;
: r ( -- n )  fakestack get pop ;
init-fake-stack

which may be safe, because there's no call of another routine that uses r
from the first r to the last r.  In a few routines, I changed to :: and
used named locals.  I switched to the above when one routine
(odbc-describe-column) put 6 elements on the return stack.  I first tried
solving this as a tuple, but then thought of the trick, and wanted to learn
how to implement it.
c) is there a better temp stack technique?
d) please don't suggest other rewrites of odbc-describe-column, I will
eventually come back to it.

Thanks!

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Re: [Factor-talk] Conversion ODBC help questions

[Jim mack]

Thanks, Joe.

If you look at the docs for CHAR: (
 http://docs.factorcode.org/content/word-CHAR__colon__%2Csyntax.html
 ), it says CHAR: takes a literal character, an escape code, or a
 Unicode character name. «CHAR: space» is using the Unicode character
 name for the space character. The Unicode character data is read from
 basis/unicode/data/UnicodeData.txt when the Unicode library is compiled.


I had thought that almost every word was compiled by source that I'd find in
the USING: clause ( or recursively up).  Is this how the UnicodeData.txt is
loaded?  I tried calling space itself in listener, to no avail, now I see
CHAR: space works, which I didn't think of as possible unless it could
interpret 'space' itself.  space namechar-hook of course answers that.
I'll keep infix notation in mind in the future.


 ...

 That's how it used to be, but we've since implemented a more robust
 namespacing scheme documented in the article I linked you from my
 first email. Could you tell us where you read that from in the docs so
 we can update them?


I think it was from an archived newsgroup site.


  c) I read syntax  alien.c-types xxx  would help, but can't
  find that article now, and couldn't figure out exact syntax at the
  time.

 Not sure where you got that from.   is just used for parse-time
 evaluation. Again, if you could point out where in the docs you read
 this so we can clarify it for future new users, that'd be helpful.


Again, archived newsgroups.  I may even have seen something like:  «FROM:
alien.c-types = short ;» and thought it was some usage of rather
than a quotation device


  3)  Use of r r
  c) is there a better temp stack technique?

 The temporary stack in Factor has been relegated to an implementation
 detail. The dip combinators (
 http://docs.factorcode.org/content/article-retainstack-combinators.html
 ) are the preferred way in Factor for temporarily stashing values,
 since they enforce balanced use of the temporary stack and tend to be
 more readable.


Am favorably impressed with combinators, although they many of them aren't
easy yet.

The only typo I've found so far is in the IRC info, for which I was a noob,
but

irc.ui run  from
http://concatenative.org/wiki/view/Concatenative%20IRC%20channel

fails for the precompiled image I'm using.


Joe, are you involved with Crystal reports?


 -Joe

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back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy.
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