Re: incrementing a decimal...

[Nicolas Cueto via use-livecode]

Monte Goulding's solution was what I was after.

Thank you.

--
Nicolas Cueto

On 8 November 2017 at 09:45, Monte Goulding via use-livecode <
use-livecode@lists.runrev.com> wrote:

> Something like:
>
> put “3.33.007" into tValue
> set the itemDelimiter to "."
> put format("%s.%03d", item 1 to 2 of tValue, item 3 of tValue + 1) into
> tNextValue
>
> > On 8 Nov 2017, at 11:22 am, Nicolas Cueto via use-livecode <
> use-livecode@lists.runrev.com> wrote:
> >
> > I'm after an easy way to convert span 3.33.007-3.33.012 into this
> > incremental cr-del list:
> >
> > 3.33.007
> > 3.33.008
> > 3.33.009
> > 3.33.010
> > 3.33.011
> > 3.33.012
> >
> > From experience, I know if I add 1 to "07" the result is "8" and not
> "08".
> >
> > Thank you.
> >
> > --
> > Nicolas
> > ___
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> > use-livecode@lists.runrev.com
> > Please visit this url to subscribe, unsubscribe and manage your
> subscription preferences:
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>
>
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Re: incrementing a decimal...

[hh via use-livecode]

put 33.000 into x
put 34.123 into y
put 0.001 into stp
repeat with i=x to y-stp/2 step stp
   put format("3.%.3f",i) & cr after lst
end repeat


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Re: incrementing a decimal...

[Monte Goulding via use-livecode]

> On 8 Nov 2017, at 11:45 am, Monte Goulding via use-livecode 
>  wrote:
> 
> Something like:
> 
> put “3.33.007" into tValue
> set the itemDelimiter to "."
> put format("%s.%03d", item 1 to 2 of tValue, item 3 of tValue + 1) into 
> tNextValue

Actually probably simpler than that is:

put “3.33.007" into tValue
set the itemDelimiter to "."
put item 1 of tValue & “.” & item 2 to 3 of tValue + 0.001 into tNextValue
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Re: incrementing a decimal...

[Monte Goulding via use-livecode]

Something like:

put “3.33.007" into tValue
set the itemDelimiter to "."
put format("%s.%03d", item 1 to 2 of tValue, item 3 of tValue + 1) into 
tNextValue

> On 8 Nov 2017, at 11:22 am, Nicolas Cueto via use-livecode 
>  wrote:
> 
> I'm after an easy way to convert span 3.33.007-3.33.012 into this
> incremental cr-del list:
> 
> 3.33.007
> 3.33.008
> 3.33.009
> 3.33.010
> 3.33.011
> 3.33.012
> 
> From experience, I know if I add 1 to "07" the result is "8" and not "08".
> 
> Thank you.
> 
> --
> Nicolas
> ___
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> preferences:
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incrementing a decimal...

[Nicolas Cueto via use-livecode]

I'm after an easy way to convert span 3.33.007-3.33.012 into this
incremental cr-del list:

3.33.007
3.33.008
3.33.009
3.33.010
3.33.011
3.33.012

>From experience, I know if I add 1 to "07" the result is "8" and not "08".

Thank you.

--
Nicolas
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Re: OT : need help understanding why my web page isn't behaving right :-)

[Phil Davis via use-livecode]

Flush your browser cache and try again?

Phil Davis



On 11/7/17 3:27 PM, Alex Tweedly via use-livecode wrote:


I just discovered a problem with one of my web pages - but can't 
figure out just where it's coming from. Anyone know their way around 
chrome tools and able to help ?


If you load the page

   https://www.kilmelford.com/igniter.lc/basic/Services

the links in the body of the page (to "Netherlorn Churches") don't act 
as links, they aren't clickable.


Same page on Safari works fine.

I think the reason they don't work in Chrome is that it won't load the 
font file because it is loaded as an "http" rather than "https", and 
chrome won't downgrade the security level.


Turning on "Developer tools" in Chrome, I see an error, that it is 
failing to load


css?family=Source+Sans+Pro:300,300italic,600,600italic

I don't (afaict) have any unchanged reference to

http://fonts.googleapis.com/css?family=Source+Sans+Pro:300,300italic,600,600italic 



the only reference I have is in the main.css, and has been changed to 
https.


Is there any way to find out exactly where this is being (indirectly) 
loaded from ?


Many thanks,

Alex.

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--
Phil Davis


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Re: OT : need help understanding why my web page isn't behaving right :-)

[Mark Wieder via use-livecode]

On 11/07/2017 03:37 PM, Terry Judd via use-livecode wrote:

Hi Alex – those links work fine for me on Chrome on a Mac.


...although I should also say that the SourceCode Pro fonts are already 
installed on my computers.


If I look in Chrome developer tools under Sources, I see that css?family 
tag under fonts.googleapis.com, and the primary source is listed as 
local. It's also specified as a fallback to load from an https url at 
fonts.gstatic.com.


src:local('Source Sans Pro Light Italic'), etc.

--
 Mark Wieder
 ahsoftw...@gmail.com

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Re: OT : need help understanding why my web page isn't behaving right :-)

[Mark Wieder via use-livecode]

On 11/07/2017 03:37 PM, Terry Judd via use-livecode wrote:

Hi Alex – those links work fine for me on Chrome on a Mac.


Ditto here Chrome on linux mint. No worries.

--
 Mark Wieder
 ahsoftw...@gmail.com

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Re: OT : need help understanding why my web page isn't behaving right :-)

[Terry Judd via use-livecode]

Hi Alex – those links work fine for me on Chrome on a Mac.

Terry...

On 8/11/2017 10:27 am, "use-livecode on behalf of Alex Tweedly via 
use-livecode"  wrote:


I just discovered a problem with one of my web pages - but can't figure 
out just where it's coming from. Anyone know their way around chrome 
tools and able to help ?

If you load the page

https://www.kilmelford.com/igniter.lc/basic/Services

the links in the body of the page (to "Netherlorn Churches") don't act 
as links, they aren't clickable.

Same page on Safari works fine.

I think the reason they don't work in Chrome is that it won't load the 
font file because it is loaded as an "http" rather than "https", and 
chrome won't downgrade the security level.

Turning on "Developer tools" in Chrome, I see an error, that it is 
failing to load

css?family=Source+Sans+Pro:300,300italic,600,600italic

I don't (afaict) have any unchanged reference to


http://fonts.googleapis.com/css?family=Source+Sans+Pro:300,300italic,600,600italic

the only reference I have is in the main.css, and has been changed to https.

Is there any way to find out exactly where this is being (indirectly) 
loaded from ?

Many thanks,

Alex.

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OT : need help understanding why my web page isn't behaving right :-)

[Alex Tweedly via use-livecode]

I just discovered a problem with one of my web pages - but can't figure 
out just where it's coming from. Anyone know their way around chrome 
tools and able to help ?


If you load the page

   https://www.kilmelford.com/igniter.lc/basic/Services

the links in the body of the page (to "Netherlorn Churches") don't act 
as links, they aren't clickable.


Same page on Safari works fine.

I think the reason they don't work in Chrome is that it won't load the 
font file because it is loaded as an "http" rather than "https", and 
chrome won't downgrade the security level.


Turning on "Developer tools" in Chrome, I see an error, that it is 
failing to load


css?family=Source+Sans+Pro:300,300italic,600,600italic

I don't (afaict) have any unchanged reference to

http://fonts.googleapis.com/css?family=Source+Sans+Pro:300,300italic,600,600italic

the only reference I have is in the main.css, and has been changed to https.

Is there any way to find out exactly where this is being (indirectly) 
loaded from ?


Many thanks,

Alex.

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Re: The coming of SVG

[Robert Mann via use-livecode]

Hi all, long time not around, but clarity in language is a key point so my 2
cents :

1) I would much favor DRAWING versus image. The core differentation of a
vector image is that it has been drawn versus "shot" by a camera for an
image. That can be physically understood by all. The idea of a vector is
much more technical and designates the technicalities of the coding of the
information.

2) I would make the largest subset of basic commands and property that can
apply both to DRAWINGS and IMAGES common, same name and parameters : 
Example : resize, tilt, position...

3) I would add specific commands and properties that only apply to DRAWINGS
like export into some other format, change size of lines, delete background,
whatever (change fonts, replace colors)

4) Picture is really confusing, so close to image, yet so far from drawing.
Picture is what we actually see on screen… or in museums!

last but not least I find it great that the question is put up, and openedu
up to shared intelligence! thumbs up! Robert



--
Sent from: 
http://runtime-revolution.278305.n4.nabble.com/Revolution-User-f278306.html

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Re: The coming of SVG

[J. Landman Gay via use-livecode]

On 11/7/17 2:01 PM, Alex Tweedly via use-livecode wrote:

On 07/11/2017 19:02, J. Landman Gay via use-livecode wrote:
I believe the objection to using "vector" is because the object isn't 
going to contain only vector graphics. Eventually it will be a 
representation of many different image formats, a sort of catch-all 
that will replace all the existing bitmap and vector controls in the 
future. 

So it's going to be about controls where the *appearance* is important.


Right. Kind of like a...picture.

--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software   | http://www.hyperactivesw.com

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Re: How to (in iOS) Import snapshot and paste resulting image to substack?

[J. Landman Gay via use-livecode]

On 11/7/17 12:21 PM, JOHN PATTEN via use-livecode wrote:

cut image "pages 2-3" of this card. —there is no cut in iOS???

go to stack "Print Template"

paste  — there is no paste in iOS


You can do:

copy img "pages 2-3" of this card to card  of stack "print 
template"

delete img "pages 2-3" of this card

--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software   | http://www.hyperactivesw.com


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Re: using LC as an emulator

[Rick Harrison via use-livecode]

I used to work on HP-3000s in HP BASIC, COBOL, and FORTRAN.
What a pain in the you know what!

Rick


> On Nov 7, 2017, at 2:48 PM, Jerry Jensen via use-livecode 
>  wrote:
> 
> I too have spent way too much of my life in HP BASIC. IIRC, it is tokenized 
> before storing (around here called byte codes). One approach might be to 
> figure a way to get at the HPB tokens and emulate each of them in LC. Also 
> IIRC HPB uses a pretty simple symbol table for variables and such. 
> 
> Do you know about HTBasic which emulated HPBasic under DOS (I think)? The 
> company was Trans-Era. I have no idea if they are still around.
> 
> .Jerry
> 
>> On Nov 7, 2017, at 8:42 AM, Mike Kerner via use-livecode 
>>  wrote:
>> 
>> No, the ERP is written in HP BASIC, so I would want to emulate the
>> language, given the breadth and number of programs.  I was thinking about
>> writing wrappers for the various commands and functions of the language,
>> but it won't be easy, no matter what I do.
> 
> 
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Re: The coming of SVG

[Alex Tweedly via use-livecode]

On 07/11/2017 19:02, J. Landman Gay via use-livecode wrote:
I believe the objection to using "vector" is because the object isn't 
going to contain only vector graphics. Eventually it will be a 
representation of many different image formats, a sort of catch-all 
that will replace all the existing bitmap and vector controls in the 
future. 

So it's going to be about controls where the *appearance* is important.

I vote for "apparition" - just wish I'd thought of it a week ago :-)

-- Alex
(btw - I'm joking - I do not vote for apparition :-)

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Re: using LC as an emulator

[Jerry Jensen via use-livecode]

I too have spent way too much of my life in HP BASIC. IIRC, it is tokenized 
before storing (around here called byte codes). One approach might be to figure 
a way to get at the HPB tokens and emulate each of them in LC. Also IIRC HPB 
uses a pretty simple symbol table for variables and such. 

Do you know about HTBasic which emulated HPBasic under DOS (I think)? The 
company was Trans-Era. I have no idea if they are still around.

.Jerry

> On Nov 7, 2017, at 8:42 AM, Mike Kerner via use-livecode 
>  wrote:
> 
> No, the ERP is written in HP BASIC, so I would want to emulate the
> language, given the breadth and number of programs.  I was thinking about
> writing wrappers for the various commands and functions of the language,
> but it won't be easy, no matter what I do.


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RE: iPhone X or "Apple is just the most annoying company of all time"

[Ralph DiMola via use-livecode]

FYI: While doing the iPhone X screen shots for iTunes Connect I realized that 
the iPhone X is much more "portraitity" than any other device I have run 
across. I have some serious re-working to do. The iPhone X aspect ratio is 
something like 19:9 where the iPhone 8 is more-or-less a standard 16:9. Brings 
me back to when I hand filed aperture plates for half-frame-flat movie 
projection.

FYI: iOS developers.

iPhone X Dimensions
Portrait  1125px × 2436px (375pt × 812pt @3x)
Landscape 2436px × 1125px (812pt × 375pt @3x)

I compiled the safe areas in points and pixels for iPhone X:

   Portrait right side up safe area margins:
   Left: 0
   Top: 44 Pts 132 Pixels
   Right: 0
   Bottom: 34 Pts 102 Pixels
   
   Portrait upside down: NOT SUPPORTED
   
   Landscape left/right safe area margins:
   Left: 16 Pts 48 Pixels
   Top: 32 Pts 96 Pixels
   Right: 16 Pts 48 Pixels
   Bottom: 23 Pts 69 Pixels


Ralph DiMola
IT Director
Evergreen Information Services
rdim...@evergreeninfo.net



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Re: using LC as an emulator

[Rick Harrison via use-livecode]

Hi Mike,

It sounds like a lot of work however you do it.
Is creating an emulator really going to be easier
than doing a whole system migration to LiveCode
or some other language?

Good luck with whatever you do!

Rick

> On Nov 7, 2017, at 1:57 PM, Mike Kerner via use-livecode 
>  wrote:
> 
> I'll email you offline.
> 
> On Tue, Nov 7, 2017 at 1:36 PM, Mark Waddingham via use-livecode <
> use-livecode@lists.runrev.com> wrote:
> 
>> On 2017-11-07 17:42, Mike Kerner via use-livecode wrote:
>> 
>>> No, the ERP is written in HP BASIC, so I would want to emulate the
>>> language, given the breadth and number of programs.  I was thinking about
>>> writing wrappers for the various commands and functions of the language,
>>> but it won't be easy, no matter what I do.
>>> 
>> 
>> In this case 'ease' is probably related to the breadth of the language and
>> how complex individual commands/functions are - if you have a good
>> architecture for the emulator, most of the work will be in recreating that
>> functionality, rather than the parsing/execution mechanism.
>> 
>> There are also binary resources that I would have to have recreated such as
>>> forms and dialogs, and I would have to take the db schemas and convert
>>> them
>>> to a modern database, which seems like the least work of this entire silly
>>> idea.
>>> 
>> 
>> From what you've said it doesn't sound like a silly idea at all.
>> 
>> Would it be less work to rewrite it?  I doubt it.  Would it be less effort
>>> to cough up for an off-the-self ERP package?  Possibly, but the one piece
>>> that is extremely valuable is the payroll piece, because it is so
>>> expensive
>>> to hire a service or to pay for someone else's payroll software.  For
>>> example, look at the time and attendance piece.  I was able to write a
>>> timeclock app that runs on a tablet for a tiny fraction of what it would
>>> cost to replace the existing timeclocks.  Timekeeping software is also
>>> crazy expensive, and payroll is akin to highway robbery.
>>> 
>> 
>> If it is a system you've been maintaining for 30 years, then I suspect you
>> are correct - it won't be less work to rewrite as you'll spend a lot of
>> time making things work as they did before... After all, I suspect that
>> after 30 years working on it even you can't remember where all the bodies
>> are buried!
>> 
>> (I certainly find zombies popping up now and again to bite me in the
>> LiveCode engine from things I've done in the past!)
>> 
>> Would it be easier to try to build an emulator in Xojo?  I've thought about
>>> it, but before I add yet another development tool to the mix, here, I
>>> thought I'd chase this idea, first.
>>> 
>> 
>> Well I can certainly say that LiveCode is perfectly capable, and indeed
>> very good for writing compilers/interpreters because of the way its arrays
>> work (copy-on-write in particular), and the ability to pass references to
>> array elements to functions. (I've writing a few such things in the last 12
>> months - the SVG compiler being the most recent example).
>> 
>> I'd generally recommend using a LiveCode array to represent the source
>> structure (after parsing - which will be a tree), and then write a
>> recursive evaluator for it, threading through the node which is being
>> executed and a mutable context array which contains all the current
>> execution state:
>> 
>>  on langExecute @xContext, pNode
>>- dispatch to do what you need to do for node, using state from
>> xContext
>>  end langExecute
>> 
>> If you can figure out how to map the source language to (essentially) a
>> sequence of command invocations, then you can write the each piece of
>> functionality provided by the language (i.e. the bits other than variable
>> manipulations and control transfer) as a single handler which takes the
>> xContext parameter.
>> 
>> Okay, so all the above is a bit vague - but it is just to give an idea of
>> how I've found the best way to structure such things in LiveCode.
>> 
>> Warmest Regards,
>> 
>> P.S. Do you have the online links for the reference manuals? I'm
>> intrigued...
>> 
>> 
>> --
>> Mark Waddingham ~ m...@livecode.com ~ http://www.livecode.com/
>> LiveCode: Everyone can create apps
>> 
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> 
> 
> 
> -- 
> On the first day, God created the heavens and the Earth
> On the second day, God created the oceans.
> On the third day, God put the animals on hold for a few hours,
>   and did a little diving.
> And God said, "This is good."
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Re: How to (in iOS) Import snapshot and paste resulting image to substack? (Solved)

[JOHN PATTEN via use-livecode]

I figured it out :)

Needed to just use export snapshot, instead of import snapshot, and create 
named image holders to “paste” the exported snapshots into.

export snapshot from rectangle (the rect of cd fld "pages 2-3") of this card to 
img "pages 2-3" of stack "Print Template"

go to stack "Print Template”

set the angle of img "pages 2-3" of this card to 90

set the loc of image "pages 2-3" of this card to 107,603



Cheers!

John Patten
SUSD

> On Nov 7, 2017, at 10:21 AM, JOHN PATTEN via use-livecode 
>  wrote:
> 
> Hi All,
> 
> In iOS on an iPad, I am trying to import a snapshot and then place the 
> resulting image on a substack of the main stack. The idea is to save the 
> substack out as a PDF after placing a number of snapshots on it.
> 
> The code I am using is:
> 
> -
> import snapshot from rectangle (the rect of cd fld "pages 2-3") of this card
> 
> set the name of last image to "pages 2-3"
> 
> set the angle of img "pages 2-3" of this card to 90
> 
> cut image "pages 2-3" of this card. —there is no cut in iOS???
> 
> go to stack "Print Template"
> 
> paste  — there is no paste in iOS
> 
> set the loc of last image of this card to 107,603
> 
> -
> 
> 
> This all works fine on a desktop, but I am having trouble with some of the 
> iOS.  What is the proper way to cut, copy and paste images from one stack, to 
> a sub stack, in iOS?
> 
> Thank you!
> 
> John Patten
> SUSD
> 
> 
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Re: The coming of SVG

[J. Landman Gay via use-livecode]

I believe the objection to using "vector" is because the object isn't 
going to contain only vector graphics. Eventually it will be a 
representation of many different image formats, a sort of catch-all that 
will replace all the existing bitmap and vector controls in the future.


On 11/7/17 12:23 PM, Stephen Barncard via use-livecode wrote:

Well,  the word vector is not to be found anywhere in the dictionary.

*vectorImage*  (we already have newImage and deleteImage messages, and
several properties begin with *image*

*imageVector*  (we already have imageSource imageData and imagePixmapID

*vectorRender*

somehow function and command names look far more important in a classic
boldface serif font.

--
Stephen Barncard - Sebastopol Ca. USA -
mixstream.org

On Tue, Nov 7, 2017 at 10:05 AM, Richmond Mathewson via use-livecode <
use-livecode@lists.runrev.com> wrote:


I have a feeling the name should be one word, probably in camel format,
so that has to be

vectorSomethingOrOther

shartened, presumably, to vSOO

Richmond.



--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software   | http://www.hyperactivesw.com

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Re: using LC as an emulator

[Mike Kerner via use-livecode]

I'll email you offline.

On Tue, Nov 7, 2017 at 1:36 PM, Mark Waddingham via use-livecode <
use-livecode@lists.runrev.com> wrote:

> On 2017-11-07 17:42, Mike Kerner via use-livecode wrote:
>
>> No, the ERP is written in HP BASIC, so I would want to emulate the
>> language, given the breadth and number of programs.  I was thinking about
>> writing wrappers for the various commands and functions of the language,
>> but it won't be easy, no matter what I do.
>>
>
> In this case 'ease' is probably related to the breadth of the language and
> how complex individual commands/functions are - if you have a good
> architecture for the emulator, most of the work will be in recreating that
> functionality, rather than the parsing/execution mechanism.
>
> There are also binary resources that I would have to have recreated such as
>> forms and dialogs, and I would have to take the db schemas and convert
>> them
>> to a modern database, which seems like the least work of this entire silly
>> idea.
>>
>
> From what you've said it doesn't sound like a silly idea at all.
>
> Would it be less work to rewrite it?  I doubt it.  Would it be less effort
>> to cough up for an off-the-self ERP package?  Possibly, but the one piece
>> that is extremely valuable is the payroll piece, because it is so
>> expensive
>> to hire a service or to pay for someone else's payroll software.  For
>> example, look at the time and attendance piece.  I was able to write a
>> timeclock app that runs on a tablet for a tiny fraction of what it would
>> cost to replace the existing timeclocks.  Timekeeping software is also
>> crazy expensive, and payroll is akin to highway robbery.
>>
>
> If it is a system you've been maintaining for 30 years, then I suspect you
> are correct - it won't be less work to rewrite as you'll spend a lot of
> time making things work as they did before... After all, I suspect that
> after 30 years working on it even you can't remember where all the bodies
> are buried!
>
> (I certainly find zombies popping up now and again to bite me in the
> LiveCode engine from things I've done in the past!)
>
> Would it be easier to try to build an emulator in Xojo?  I've thought about
>> it, but before I add yet another development tool to the mix, here, I
>> thought I'd chase this idea, first.
>>
>
> Well I can certainly say that LiveCode is perfectly capable, and indeed
> very good for writing compilers/interpreters because of the way its arrays
> work (copy-on-write in particular), and the ability to pass references to
> array elements to functions. (I've writing a few such things in the last 12
> months - the SVG compiler being the most recent example).
>
> I'd generally recommend using a LiveCode array to represent the source
> structure (after parsing - which will be a tree), and then write a
> recursive evaluator for it, threading through the node which is being
> executed and a mutable context array which contains all the current
> execution state:
>
>   on langExecute @xContext, pNode
> - dispatch to do what you need to do for node, using state from
> xContext
>   end langExecute
>
> If you can figure out how to map the source language to (essentially) a
> sequence of command invocations, then you can write the each piece of
> functionality provided by the language (i.e. the bits other than variable
> manipulations and control transfer) as a single handler which takes the
> xContext parameter.
>
> Okay, so all the above is a bit vague - but it is just to give an idea of
> how I've found the best way to structure such things in LiveCode.
>
> Warmest Regards,
>
> P.S. Do you have the online links for the reference manuals? I'm
> intrigued...
>
>
> --
> Mark Waddingham ~ m...@livecode.com ~ http://www.livecode.com/
> LiveCode: Everyone can create apps
>
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-- 
On the first day, God created the heavens and the Earth
On the second day, God created the oceans.
On the third day, God put the animals on hold for a few hours,
   and did a little diving.
And God said, "This is good."
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Re: using LC as an emulator

[Mark Waddingham via use-livecode]

On 2017-11-07 17:42, Mike Kerner via use-livecode wrote:

No, the ERP is written in HP BASIC, so I would want to emulate the
language, given the breadth and number of programs.  I was thinking 
about
writing wrappers for the various commands and functions of the 
language,

but it won't be easy, no matter what I do.


In this case 'ease' is probably related to the breadth of the language 
and how complex individual commands/functions are - if you have a good 
architecture for the emulator, most of the work will be in recreating 
that functionality, rather than the parsing/execution mechanism.


There are also binary resources that I would have to have recreated 
such as
forms and dialogs, and I would have to take the db schemas and convert 
them
to a modern database, which seems like the least work of this entire 
silly

idea.


From what you've said it doesn't sound like a silly idea at all.

Would it be less work to rewrite it?  I doubt it.  Would it be less 
effort
to cough up for an off-the-self ERP package?  Possibly, but the one 
piece
that is extremely valuable is the payroll piece, because it is so 
expensive

to hire a service or to pay for someone else's payroll software.  For
example, look at the time and attendance piece.  I was able to write a
timeclock app that runs on a tablet for a tiny fraction of what it 
would

cost to replace the existing timeclocks.  Timekeeping software is also
crazy expensive, and payroll is akin to highway robbery.


If it is a system you've been maintaining for 30 years, then I suspect 
you are correct - it won't be less work to rewrite as you'll spend a lot 
of time making things work as they did before... After all, I suspect 
that after 30 years working on it even you can't remember where all the 
bodies are buried!


(I certainly find zombies popping up now and again to bite me in the 
LiveCode engine from things I've done in the past!)


Would it be easier to try to build an emulator in Xojo?  I've thought 
about

it, but before I add yet another development tool to the mix, here, I
thought I'd chase this idea, first.


Well I can certainly say that LiveCode is perfectly capable, and indeed 
very good for writing compilers/interpreters because of the way its 
arrays work (copy-on-write in particular), and the ability to pass 
references to array elements to functions. (I've writing a few such 
things in the last 12 months - the SVG compiler being the most recent 
example).


I'd generally recommend using a LiveCode array to represent the source 
structure (after parsing - which will be a tree), and then write a 
recursive evaluator for it, threading through the node which is being 
executed and a mutable context array which contains all the current 
execution state:


  on langExecute @xContext, pNode
- dispatch to do what you need to do for node, using state from 
xContext

  end langExecute

If you can figure out how to map the source language to (essentially) a 
sequence of command invocations, then you can write the each piece of 
functionality provided by the language (i.e. the bits other than 
variable manipulations and control transfer) as a single handler which 
takes the xContext parameter.


Okay, so all the above is a bit vague - but it is just to give an idea 
of how I've found the best way to structure such things in LiveCode.


Warmest Regards,

P.S. Do you have the online links for the reference manuals? I'm 
intrigued...


--
Mark Waddingham ~ m...@livecode.com ~ http://www.livecode.com/
LiveCode: Everyone can create apps

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Re: The coming of SVG

[Stephen Barncard via use-livecode]

Well,  the word vector is not to be found anywhere in the dictionary.

*vectorImage*  (we already have newImage and deleteImage messages, and
several properties begin with *image*

*imageVector*  (we already have imageSource imageData and imagePixmapID

*vectorRender*

somehow function and command names look far more important in a classic
boldface serif font.

--
Stephen Barncard - Sebastopol Ca. USA -
mixstream.org

On Tue, Nov 7, 2017 at 10:05 AM, Richmond Mathewson via use-livecode <
use-livecode@lists.runrev.com> wrote:

> I have a feeling the name should be one word, probably in camel format,
> so that has to be
>
> vectorSomethingOrOther
>
> shartened, presumably, to vSOO
>
> Richmond.
>
>
> On 7/11/17 5:31 pm, Bob Sneidar via use-livecode wrote:
>
>> +1 for vector something or other.
>>
>> Bob S
>>
>>
>> On Nov 6, 2017, at 15:35 , Stephen Barncard via use-livecode <
>>> use-livecode@lists.runrev.com> wrote:
>>>
>>> How about just plain vector?
>>>
>>> Or is that a parameter?
>>>
>>
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How to (in iOS) Import snapshot and paste resulting image to substack?

[JOHN PATTEN via use-livecode]

Hi All,

In iOS on an iPad, I am trying to import a snapshot and then place the 
resulting image on a substack of the main stack. The idea is to save the 
substack out as a PDF after placing a number of snapshots on it.

The code I am using is:

-
import snapshot from rectangle (the rect of cd fld "pages 2-3") of this card

set the name of last image to "pages 2-3"

set the angle of img "pages 2-3" of this card to 90

cut image "pages 2-3" of this card. —there is no cut in iOS???

go to stack "Print Template"

paste  — there is no paste in iOS

set the loc of last image of this card to 107,603

-


This all works fine on a desktop, but I am having trouble with some of the iOS. 
 What is the proper way to cut, copy and paste images from one stack, to a sub 
stack, in iOS?

Thank you!

John Patten
SUSD


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Re: The coming of SVG

[Richmond Mathewson via use-livecode]

I have a feeling the name should be one word, probably in camel format,
so that has to be

vectorSomethingOrOther

shartened, presumably, to vSOO

Richmond.

On 7/11/17 5:31 pm, Bob Sneidar via use-livecode wrote:

+1 for vector something or other.

Bob S



On Nov 6, 2017, at 15:35 , Stephen Barncard via use-livecode 
 wrote:

How about just plain vector?

Or is that a parameter?


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Re: using LC as an emulator

[Mike Kerner via use-livecode]

No, the ERP is written in HP BASIC, so I would want to emulate the
language, given the breadth and number of programs.  I was thinking about
writing wrappers for the various commands and functions of the language,
but it won't be easy, no matter what I do.
There are also binary resources that I would have to have recreated such as
forms and dialogs, and I would have to take the db schemas and convert them
to a modern database, which seems like the least work of this entire silly
idea.
Would it be less work to rewrite it?  I doubt it.  Would it be less effort
to cough up for an off-the-self ERP package?  Possibly, but the one piece
that is extremely valuable is the payroll piece, because it is so expensive
to hire a service or to pay for someone else's payroll software.  For
example, look at the time and attendance piece.  I was able to write a
timeclock app that runs on a tablet for a tiny fraction of what it would
cost to replace the existing timeclocks.  Timekeeping software is also
crazy expensive, and payroll is akin to highway robbery.
Would it be easier to try to build an emulator in Xojo?  I've thought about
it, but before I add yet another development tool to the mix, here, I
thought I'd chase this idea, first.

As for a spec for HP BASIC, yes, it is well documented.  I have both paper
and online manuals.

On Tue, Nov 7, 2017 at 11:28 AM, Mark Waddingham via use-livecode <
use-livecode@lists.runrev.com> wrote:

> On 2017-11-07 04:00, Mike Kerner via use-livecode wrote:
>
>> It's a LOT of code, all of which was originally written 30+ years ago, but
>> we've been maintaining it ever since.  Many of the other systems that we
>> have written interface with this core, and extend it, since there are much
>> better tools available to us, now (like LC).  It's written in HP BASIC for
>> an environment called Eloquence, which is an HP 3000/HP250 legacy
>> environment that now runs on your stock iron hardware and OS's.
>>
>
> Interesting - so is it HP BASIC you are wanting to emulate? Or is the ERP
> an interpreter *written* in HP BASIC for some other language...
>
> If its the former, then is there a language spec for the variant of HP
> BASIC it is written in lurking somewhere?
>
> Warmest Regards,
>
> Mark.
>
> --
> Mark Waddingham ~ m...@livecode.com ~ http://www.livecode.com/
> LiveCode: Everyone can create apps
>
>
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-- 
On the first day, God created the heavens and the Earth
On the second day, God created the oceans.
On the third day, God put the animals on hold for a few hours,
   and did a little diving.
And God said, "This is good."
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Re: using LC as an emulator

[Mark Waddingham via use-livecode]

On 2017-11-07 04:00, Mike Kerner via use-livecode wrote:
It's a LOT of code, all of which was originally written 30+ years ago, 
but
we've been maintaining it ever since.  Many of the other systems that 
we
have written interface with this core, and extend it, since there are 
much
better tools available to us, now (like LC).  It's written in HP BASIC 
for

an environment called Eloquence, which is an HP 3000/HP250 legacy
environment that now runs on your stock iron hardware and OS's.


Interesting - so is it HP BASIC you are wanting to emulate? Or is the 
ERP an interpreter *written* in HP BASIC for some other language...


If its the former, then is there a language spec for the variant of HP 
BASIC it is written in lurking somewhere?


Warmest Regards,

Mark.

--
Mark Waddingham ~ m...@livecode.com ~ http://www.livecode.com/
LiveCode: Everyone can create apps

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Re: using LC as an emulator

[Mike Kerner via use-livecode]

I know what it does.  I own it.  I've been working on it and in it since I
was in grade school.  I just don't like it.

On Tue, Nov 7, 2017 at 11:07 AM, Mark Wieder via use-livecode <
use-livecode@lists.runrev.com> wrote:

> On 11/06/2017 07:00 PM, Mike Kerner via use-livecode wrote:
>
>> It's a LOT of code, all of which was originally written 30+ years ago, but
>> we've been maintaining it ever since.  Many of the other systems that we
>> have written interface with this core, and extend it, since there are much
>> better tools available to us, now (like LC).  It's written in HP BASIC for
>> an environment called Eloquence, which is an HP 3000/HP250 legacy
>> environment that now runs on your stock iron hardware and OS's.
>>
>
> Wow. I almost remember working in hp basic back in the day. My guess is
> that if you're looking at a tangle of code written 30+ years ago, your time
> is better spent analyzing what it does and then creating anew from those
> specs.
>
> --
>  Mark Wieder
>  ahsoftw...@gmail.com
>
>
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-- 
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On the second day, God created the oceans.
On the third day, God put the animals on hold for a few hours,
   and did a little diving.
And God said, "This is good."
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Re: using LC as an emulator

[Mark Wieder via use-livecode]

On 11/06/2017 07:00 PM, Mike Kerner via use-livecode wrote:

It's a LOT of code, all of which was originally written 30+ years ago, but
we've been maintaining it ever since.  Many of the other systems that we
have written interface with this core, and extend it, since there are much
better tools available to us, now (like LC).  It's written in HP BASIC for
an environment called Eloquence, which is an HP 3000/HP250 legacy
environment that now runs on your stock iron hardware and OS's.


Wow. I almost remember working in hp basic back in the day. My guess is 
that if you're looking at a tangle of code written 30+ years ago, your 
time is better spent analyzing what it does and then creating anew from 
those specs.


--
 Mark Wieder
 ahsoftw...@gmail.com

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Re: Control properties not included in the Property Inspector

[Bob Sneidar via use-livecode]

There are no tabs or clear delimiters that I could tell, at least not when 
scraped from the web page. I tried to paste into a spreadsheet then do text to 
columns, but there are no clear delimiters. No biggie it's nice to have a list 
to look through. 

Bob S


> On Nov 6, 2017, at 20:03 , Brian Milby via use-livecode 
>  wrote:
> 
> Wow... almost looks like you will need to use a script to go through all of
> those files and ensure the lines each have the correct number of tabs.


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Re: using LC as an emulator

[Bob Sneidar via use-livecode]

I attempted this once for a dBase accounting application. What I ran into is 
certain things like & which can be used to concatenate, but can also be used to 
denote a macro substitution variable. Periods would be used to dereference 
chained macro variables. To reproduce this in Livecode would mean constructing 
a command statement and then doing it. But then inside quotes a period might be 
a table.column delimiter. I was going to have to do a lot of conditional 
interpretation of such things. 

Also, a great deal of code was devoted to drawing fields and buttons onscreen, 
then getting the user input for them. There was no corollary in livecode for 
that, unless I wanted to create fields on the fly, which would have sucked. 

After a while I saw that it would have been much easier to start from scratch, 
running each input screen or report, and then graphically recreating it in 
Livecode (Revolution back then), and then doing the business logic as best I 
could. It was a large application. 

Bob S


> On Nov 6, 2017, at 15:24 , Paul Dupuis via use-livecode 
>  wrote:
> 
> On 11/6/2017 2:22 PM, Mike Kerner via use-livecode wrote:
>> Anyone write an emulator in LC?  I've got an old ERP system that we own all
>> the source to.  I'd like to.  The environment is interpreted, so if I could
>> make an emulator/wrapper, I could in theory move the whole thing into LC
>> and dump the old environments.
>> 
>> 
> 
> That is potentially a huge amount of work. I wrote an expert system
> inferencing engine in LC. It is interpreted. The rules language is very
> simple syntax (essentially a rule is an IF THEN with parsing of the
> boolean expression syntax for the IF and 2 possible statements for the
> THEN) and it is still a fair amount of code.
> 
> What language is the source for the ERP in? I expect the language has a
> reasonable robust syntax to support and ERP app. Possible a translator
> to convert the source to xTalk? However, if you really want a
> self-maintained ERP it might ultimately be easier to write one in LC
> that convert or interpret a legacy system.


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Re: The coming of SVG

[Bob Sneidar via use-livecode]

+1 for vector something or other. 

Bob S


> On Nov 6, 2017, at 15:35 , Stephen Barncard via use-livecode 
>  wrote:
> 
> How about just plain vector?
> 
> Or is that a parameter?


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AW: [OT] Been there, done that

[Tiemo Hollmann TB via use-livecode]

YES!

-Ursprüngliche Nachricht-
Von: use-livecode [mailto:use-livecode-boun...@lists.runrev.com] Im Auftrag
von J. Landman Gay via use-livecode
Gesendet: Dienstag, 7. November 2017 06:22
An: LiveCode Mailing List 
Cc: J. Landman Gay 
Betreff: [OT] Been there, done that

To everyone who has ever done tech support:

https://imgs.xkcd.com/comics/thermostat.png

-- 
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software   | http://www.hyperactivesw.com

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Re: Getting directory list from web server??

[Matthias Rebbe via use-livecode]

Tim,

you can change this setting/behaviour directly in your cPanel account.

In cPanel go to "Advanced Section" and select “Indexes".
You get a list of folder names something like this

 / (Current Folder) 
 access-logs
 cache
 etc
 logs
 mail
 perl5
 public_ftp
 public_html
 softaculous_backups
 ssl
 tmp
 www

There is a folder icon at the beginning of each entry.

If you want to change the setting for an entry, then click on the text of the 
folder name.
If you want to edit the settings for a subfolder(which currently is not 
listed), then click on the leading icon of the folder name which contains that 
subfolder. You get then the subfolders of that folder listed, again each with a 
leading folder icon.
Clicking on the icon always opens that folder and lists its subfolders. And so 
on….

By default the account uses the “Default system setting”, which might have been 
changed due to a security update or so.

When you have selected the correct subfolder you will see 4 options.

Default System Setting
No indexing
Standard Indexing (filename only)
Fancy Indexing (filename and description)

Select Standard Indexing to get a listing as before.

Regards,
Matthias 



 
Matthias Rebbe
+49 5741 31
‌wirmachen.software ‌

> Am 07.11.2017 um 04:24 schrieb Tim Selander via use-livecode 
> >:
> 
> Hi,
> 
> Up until now, in my livecode server script,
> 
> put URL "http://www.myserver.com/radio/15/ 
> " after vlist
> 
> has gotten me text list of the directory contents.
> 
> Now it gets me a "You don't have permission to access." error message.
> 
> on-rev hosting, "sage" is the server.
> 
> Anyone know what is going on?
> 
> TIA
> 
> Tim Selander
> Tokyo, Japan
> 
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