Dan Liebgold wrote on 01/06/2015 02:00 PM:
What is a straightforward way to designate the compiled directory to
look for zo files in that can be based on the Racket version? I'd
like to have Racket 5.2.1 and 6.1 running in parallel to aid in
upgrading our version.
Thanks!
I'd like for this
I don't think I need charity.
I thought the vision for the new package system had already been
explained adequately. I would be very interested to learn how the model
is well-suited to third-party developers like me.
But -- I mean this constructively -- I'd be happy if someone simply came
I think this what's the matter with conflicts, and an arbitrary package
putting things wherever it wants, and not having a notion of
non-backward-compatibility is similar to what's the matter with using
eval for everything or what's the matter with defmacro or what's the
big deal about having
Eli Barzilay wrote on 12/02/2014 09:31 PM:
On Tue, Nov 25, 2014 at 1:29 PM, Leif Andersen l...@leifandersen.net wrote:
Just to clarify a bit, we were more thinking of extending the default
repl to have line editing features, rather then making xrepl the
default,
If you're talking about
Given the example from the documentation, of the `tic-tac-toe` package
and conflicts (quoted at end of this email), instead, why isn't the
norm to do:
(require tic-tac-toe)
Or, when necessary:
(require tic-tac-toe/matrix)
Why, when one installs a package named `tic-tac-toe`, would
Any chance of revisiting the new package system's stances on versions --
specifically, on the two issues:
1. Can subsequent versions of a named package (which has an identity)
be non-backward-compatible?
2. Can a Racket setup (and even an individual program) have multiple
versions of a package
Sam Tobin-Hochstadt wrote on 11/30/2014 10:55 AM:
Another example where this happens (and in a way that couldn't be
fixed by combining packages) is with typed versions of libraries. If I
release a package with the collection `foo`, and then someone else
produces a typed version of it, that will
Jay McCarthy wrote on 11/30/2014 12:13 PM:
The documentation cited is making clear that there is NO connection
between the name of a package and the provided modules. There is no
such thing as a package namespace.
I'd really like there to be. For third-party packages.
Packages may find
Jay McCarthy wrote on 11/30/2014 12:30 PM:
On Sunday, November 30, 2014, Neil Van Dyke n...@neilvandyke.org
mailto:n...@neilvandyke.org wrote:
Jay McCarthy wrote on 11/30/2014 12:13 PM:
The documentation cited is making clear that there is NO
connection between the name
Sam Tobin-Hochstadt wrote on 11/30/2014 12:52 PM:
Are you saying that `data` is some kind of classification of what this
module is about, and in this case specifically, this module, which is part
of some more specific package, happens to be regarding general-purpose data
structures, so we're
Roman Klochkov wrote at 07/06/2014 10:15 PM:
What about 3rd party modules?
For example, should
http://planet.racket-lang.org/package-source/dherman/syntactic-closures.plt/1/0/syntactic-closures.ss provide
syntactic-closures-compile, syntactic-closures-execute and
For documented public API of modules that are part of core Racket,
shouldn't pretty much all the identifiers be descriptive enough to be
unique within the scope of core Racket? (Excepting name conflicts from
SRFIs and teaching languages?)
I've now noticed generic API names like make and
Loop syntax and sugar is fine. And having #:continue and #:break
keywords at the top of the form is sufficient warning of surprises
ahead, IMHO.
I do have a minor ongoing concern that people coming from other
languages lately latch onto the for family of forms from the start,
don't get
If adding breakcontinue features to your fancy iteration syntax, I
propose that any uses of these features in source code be somehow very
prominent.
For example, perhaps there is a keyword that must be at the top of the
fancy iteration form, something like
Jens Axel Søgaard wrote at 05/06/2014 02:02 PM:
Sam:
Could we
- warn people when they use `time` in DrRacket?
- provide a performance mode that runs programs out-of-process, or
just in another place?
- something else?
I like this. DrRacket has a performance mode already (disable
Just remember, any self-respecting benchmark feature of a platform
will detect standard benchmarks and substitute hand-tuned assembler. :)
Neil V.
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Sam Tobin-Hochstadt wrote at 04/26/2014 07:26 PM:
On this topic (which is about the Choose a language language that
DrRacket starts in when newly installed), I think we should just
delete all of this code, and start in the Racket language.
How about make Run and other very language-specific
Sam Tobin-Hochstadt wrote at 04/26/2014 08:06 PM:
On Sat, Apr 26, 2014 at 7:58 PM, Neil Van Dyke n...@neilvandyke.org wrote:
Sam Tobin-Hochstadt wrote at 04/26/2014 07:26 PM:
On this topic (which is about the Choose a language language that
DrRacket starts in when newly installed), I think we
Sam Tobin-Hochstadt wrote at 04/26/2014 08:13 PM:
I'm confused about what you're suggesting, then. Is there a
difference, under your suggestion, between opening DrRacket for the
first time, entering `1` in the definitions window, and hitting run,
and doing that same thing in an existing
Matthias Felleisen wrote at 04/22/2014 01:37 PM:
I think we should dedicate this commit to Kate Bush's PI song (or vice versa?):
https://www.youtube.com/watch?v=kZSHr5E7fZY
Are Kate Bush dedications a slippery slope? Software developers will
tend to work towards the metrics. Soon the
For purposes of your course project, couldn't you make your own
class-instance object system, atop structs or hashes, that gives you
whatever dynamic programming features you want? It's very-very easy to
do a basic one (with single inheritance and single dispatch), until you
get into speed
Robby Findler wrote at 04/14/2014 01:27 PM:
I think that the problem Neil is having with it is the ridiculous
amount of spam that gets trapped inside it.
(But correct me if I'm wrong, Neil!)
I also have other objections to it. But if Doug is still using it, I
guess leaving it running makes
Can the PLaneT bug-tracking system be shut down, please?
(I have never wanted my packages to be in the PLaneT bug-tracking
system. It has never been anything for me but counterproductive and
annoying. It was not there when I first added my packages to PLaneT. I
really-really want to
In the new documentation layout, the zoom-to-fit-width behavior is bad.
I mentioned this before
(http://lists.racket-lang.org/users/archive/2013-November/060480.html;), but
I don't recall hearing any rationale, and it doesn't seem to have changed.
Is this going to be changed, or do I have to
* Is anyone up to auditing the C code? To support my earlier concern
(http://lists.racket-lang.org/dev/archive/2014-February/013935.html;),
you've probably heard in the last few days about a C oops bug in OpenSSL
that has compromised the private keys of 2/3 of the Internet for over a
year
Edward, your patch sounds OK to me, FWIW.
Neil V.
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blurb at the end of the
document). Example at: http://www.neilvandyke.org/racket-roomba/
I've started to also add a one-line copyright notice at the top of each
source file in the package, something like ;; Copyright Neil Van Dyke.
See file info.rkt. (I might have to move to a legal notice
Edward Lee wrote at 02/08/2014 05:52 PM:
[...]
Racket's OpenSSL bindings do not currently enable the ECDH(E) and the
DHE ciphers, which are needed for perfect forward secrecy.
I've attached a patch that:
[...]
First, thanks for taking the initiative and contributing. Second, I
feel a
The 5.92 CSS also doesn't seem to differentiate the different link types
by color or other visual emphasis.
IMHO, this is a step backwards, especially when it comes to visually
distinguishing the three kinds of links: (1) identifier definition; (2)
tech, and (3) everything else. As I said in
What's the status of the package system?
This morning I thought I'd compromise, and use the new package system
for a package that would only ever need one version installed per Racket
installation (though I still really want multiple-installed-version
support for libraries, like PLaneT has in
Any chance that 6.0 will read symbols beginning with : (other than :
exactly) as keywords?
(I was thinking that a major version number might be a good time to do
this change, in case anyone is concerned that the change might break
some code somewhere. IIRC, someone said there was a SRFI
I'm speaking of third-party packages only; I don't know about the
packages that make up core Racket. (But perhaps whatever is done for
any special needs of core Racket can avoid complicating things for
third-party packages.)
For third-party packages, for the audience of technical users of
Sam Tobin-Hochstadt wrote at 08/20/2013 09:40 AM:
Are you referring to the Quick tutorial? I don't think that's aimed
at children, per se -- just people who have no experience w/ Racket.
OK, I can only offer a single data point: to me, one glance at the
Quick tutorial looks like
Sam Tobin-Hochstadt wrote at 08/20/2013 09:52 AM:
Can you say more about why this is? Is it the pictures?
Yes, I scroll down the page and I see pictures and a simple picture
language, and it seems to be using them to introduce some pretty simple
and familiar concepts, so I assume it's
Did a PostgreSQL SSL performance fix get into 5.3.6 pre-release in some
form?
In the pre-release I just downloaded, I don't see Ryan's original fix to
collects/db/private/postgresql/connection.rkt.
Neil V.
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Thanks, Ryan. And thanks for the earlier reminder for me to test the
pre-release; I was distracted with other work, and probably would've
missed this pre-release.
Neil V.
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Matthew Flatt wrote at 07/13/2013 02:56 PM:
Others seem
overwhelmed by the details, unsure of how it will all work out, and
disconcerted by conflicting messages from others who seem to
understand the issues.
BTW, I don't know whether I'm involved in anyone being disconcerted. If
I am, please
Matthew Flatt wrote at 06/18/2013 07:59 AM:
In principle, you should add a versioned dependency on racket to
indicate that the package does not work with version 5.3.4, and so
users of v5.3.4 should get an earlier revision of the package.
Just a general comment... For production use, I try not
Carl Eastlund wrote at 06/18/2013 01:36 PM:
rantI don't understand why version control systems don't take
directories and renames more seriously, because this stuff is part of
the development cycle and should be recorded like any other change./rant
This doesn't help, but... I think the
Laurent wrote at 06/07/2013 02:12 AM:
What I'd really like, for the sake of flexibility / ease of use, is to
have no explicit keyword argument, but all arguments are implicit
ones, so
that you can call a function by mixing by position and by name as you
like,
without having specified so in
I've been hesitant to comment on any of this, for three reasons: (1)
I've read the new package system documentation on at least 3 separate
occasions, and -- perhaps because I'm biased by having already formed
some ideas about where I'd like things to go -- I've had trouble
understanding the
Mayank, paredit-like features for DrRacket would be good. You might
also want to look at some similar work from around the same time as
paredit was created: http://cs.brown.edu/research/plt/software/divascheme/
Neil V.
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Asumu Takikawa wrote at 06/08/2013 05:26 PM:
(maybe you can port paredit by replacing the emacs text buffer
manipulation function calls with method calls into these interfaces)
If you wanted to make it even more cool... One of the original goals of
Guile (a Scheme implementation that
I'm calling for making Racket and package source transparently
accessible, even though not actually bundled into distribution downloads...
Racket has a research and education bent, and also attracts some of the
more sophisticated developers. For all of these audiences, there's a
tradition of
Juan Francisco Cantero Hurtado wrote at 05/20/2013 11:20 PM:
I also think that git submodules are a bad idea for packages. One git
repo per package is more simple and less problematic.
Do people expect to often do commits involving changes across these
package boundaries? If so, would
Matthew Flatt wrote at 04/17/2013 10:39 AM:
It would be great if we could normalize every path
to a canonical form, but path normalization in general seems to
intractable due to the possibilities of soft links, hard links,
multiple mount points, case-sensitivity choices, and probably other
On these out-of-memory conditions, you might want to look at the kernel
logs for what the OOM-killer said about what processes were running,
their sizes, and who it thought the culprit was.
If the OOM logs show GB of virtual memory missing, but not used by any
userspace process, you might
Jay McCarthy wrote at 12/10/2012 02:22 PM:
On Sun, Dec 9, 2012 at 1:26 PM, Neil Van Dyke n...@neilvandyke.org
mailto:n...@neilvandyke.org wrote:
* I'm very concerned about discarding support for mixing versions
of packages. PLaneT 1 didn't fully nail this, but I suspect
planet2
My biggest comments on planet2...
* I like the general ideas of permitting more decentralized sharing of
packages (such as through some kind of Git URLs).
* I like the idea of making it easier to modify the source of a package
and share changes with upstream (which is needlessly cumbersome
Matthias Felleisen wrote at 11/05/2012 10:14 PM:
* racket/base (for scripting)
* racket (for programming)
After thinking about it, I think I see what you mean with the
distinction between ``for scripting'' and ``for programming''. But I
think this might be confusing.
John Clements wrote at 10/16/2012 04:51 PM:
Data point: I have no idea what define/match does, and the name by itself does
nothing to enlighten me.
Another data point: If define/match expands to a define of a
procedure that dispatches to a set of implementations based on a
pattern-match
Thanks, Doug. From talking with a few people, it sounds like 5.3 is
shaping up pretty normally for a release, and the releases have been
high-quality.
I was just a little spooked by running into two bugs very quickly (two
points determine a line, after all), but I haven't found any since
Matthew Flatt wrote at 07/26/2012 06:36 PM:
I've pushed a repair. Thanks for the report!
Thanks, Matthew. Today, I plan to run a large pile of code through the
20120727 pre-release.
Neil V.
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Looks like a minor compiler/optimizer bug in Friday's 5.2.900.1 pre-release.
I haven't yet found a simpler test case, but you can reproduce by
installing a particular PLaneT package as shown below.
The line 1275 it's complaining about is the following, which starts a
procedure definition
Regarding Racket 5.3, I am more cautious than I recall being about a
previous Racket minor version release.
The information I have so far is mixed, rather that overwhelmingly
reassuring.
If anyone has comments on their sense of 5.3 reliability at this point,
that might help me.
Some good
FWIW, I just tested 16 or so additional PLaneT packages in DrRacket 5.3
pre-release, and no problems.
Neil Van Dyke wrote at 07/28/2012 02:56 PM:
Regarding Racket 5.3, I am more cautious than I recall being about a
previous Racket minor version release.
The information I have so far is mixed
Anyone know offhand why this error with 5.3 pre-release from yesterday?
UNKNOWN: : read (compiled): ill-formed code [./../src/validate.c:1573]
context...:
/usr/local/racket-5.2.900.1-20120725/lib/racket/collects/racket/private/map.rkt:53:19:
loop
reproduce based on this info.
Neil V.
Neil Van Dyke wrote at 07/26/2012 05:18 PM:
Anyone know offhand why this error with 5.3 pre-release from yesterday?
UNKNOWN: : read (compiled): ill-formed code [./../src/validate.c:1573]
context...:
/usr/local/racket-5.2.900.1-20120725/lib/racket
This version :2:0 is a better test case than :1:1 :
#lang racket/base
(require (planet neil/html-template:2:=0))
(html-template (hr (@ (clear all) (id foo
Neil Van Dyke wrote at 07/26/2012 05:33 PM:
Definitely looks like a Racket bug (or really broken hardware/OS)...
If I start DrRacket
Sam Tobin-Hochstadt wrote at 07/20/2012 07:23 AM:
I was thinking that it'd be more appropriate to put the
'parser-combinator' and 'tex2page' packages under such an account rather
than under mine.
Note that it's probably easier for people who need these packages to
use them from GitHub
Sam Tobin-Hochstadt wrote at 07/20/2012 07:44 AM:
On Fri, Jul 20, 2012 at 7:36 AM, Neil Van Dyken...@neilvandyke.org wrote:
Shouldn't everyone try to eat PLaneT brand dog food? (Not subsist off of
Git brand dog treats.)
Whether or not that's the case in general, in 5.2.1 you can
Sam Tobin-Hochstadt wrote at 07/20/2012 07:44 AM:
Shouldn't everyone try to eat PLaneT brand dog food? (Not subsist off of
Git brand dog treats.)
Whether or not that's the case in general, in 5.2.1 you can do:
(require combinator-parser)
which can't be replicated with a PLaneT
I spent some time working with taxonomies and ontologies, and switched
to generally preferring that the permanent names for things be in a flat
namespace, and that any organizations (e.g., hierarchical) be separate,
indirect, and more fluid.
One possible exception is when there is a strong,
Robby Findler wrote at 07/10/2012 05:20 PM:
On Tue, Jul 10, 2012 at 2:39 PM, Matthew Flattmfl...@cs.utah.edu wrote:
- mzlib [...]
- mzscheme [...]
I don't think these should be removed or deprecated, ever. I have lots
of code that still refers to them --- I doubt that I'm alone
If someone has a good reason to get rid of
this-expression-source-directory, I'm mostly indifferent.
Neil V.
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Eli Barzilay wrote at 06/19/2012 08:11 PM:
* There's a whole range of tools that work with the usual
file:line:vol: message per line format -- Emacs compilation
buffer, the on-line-check-syntax-like error highlighting, log
parsers, etc. (The emacs on-line checking is something
John Clements wrote at 06/20/2012 10:48 PM:
When I'm using online check syntax, I often look at the lines leaving
an identifier and wonder: is that just one line, or are there two or
three? When lines overlap, there's no easy way to tell. This can be
important in refactoring decisions, or in
Thanks, Matthew! I really like this. (And I know it was a lot of work
to wrangle the HTML and CSS in this case.)
It looks good to me as it is, although Robby's suggestion of lowercase
sounds good too.
Neil V.
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Eli Barzilay wrote at 05/29/2012 07:17 AM:
I have made a possibly useful improvement to the JS search code.
It's not pushed, yet, but I dropped the revised JS code on the
pre-built pages so you can try it out here:
http://pre.racket-lang.org/docs/html/search/
[...]
Eli, looks like a
Laurent wrote at 05/09/2012 06:55 AM:
* Line-width
In GEdit, there's an option to show a thin vertical line at 80 chars
(modifiable number).
I find it of great help to avoid writing long lines, which I tend to
not do otherwise or often (inconveniently) look at the column number
to see where
Asumu Takikawa wrote at 05/09/2012 06:13 PM:
Any thoughts or suggestions?
When you say dictionaries, sequences,, are you including the Racket
types hash, vector, and list?
If so, would current performance for those Racket types be affected?
And does this have implications for what
Marijn wrote at 05/07/2012 10:54 AM:
How about prefixing a tilda (~) instead of current-? It looks like a
current ;P and also like a snake (parameters could be thought to
``snake'' through the code). Alternatively the at-sign (@) to
represent currentness. To make them stand out more (if that is
Matthias Felleisen wrote at 05/04/2012 10:41 AM:
On May 4, 2012, at 10:34 AM, Laurent wrote
An interesting idea would be to count the number of times each identifier is
used in the sources, and see how many characters would be saved by using
different conventions.
That sounds like a
Eli Barzilay wrote at 05/03/2012 03:48 PM:
(parameterize ([stderr (stdout)])
...)
I'm not sure how I feel about shortening these, but an additional
consideration is that a naming convention for parameters (so far,
prefixing with current-) has been useful. I think a naming
Matthias Felleisen wrote at 05/03/2012 10:57 PM:
I don't think Eli is proposing an elimination of the old names but
supplementing the code base with new ones.
I am in favor -- Matthias
Would be good to have a shorter naming convention for all parameters.
The current- prefix is not short,
One opinion: I appreciate the diligence and caution. That Racket's
releases are high quality is one of the attractions of the platform. I
can wait a few more months for submodules.
Neil V.
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http://www.neilvandyke.org/
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FWIW...
* I have no strong opinion on whether it would be worthwhile, if done in
a backward-compatible way.
* If done in a *non*-backward-compatible way, it might be a headache. I
know of systems in production with millions of lines of PLT/Racket code,
and -- although PLT/Racket have been
How about a change to the purpose of the Languages control?
Currently, I think of the control *selecting how to determine* which
language to use. Example settings whatever #lang says, Beginning
Student, etc.
The control could be changed to *present the determination* (by #lang or
by some
Robby Findler wrote at 03/08/2012 08:00 PM:
I think that the issue probably does not predate Kevin's recent push
(distributed places).
If you'd like to audit the push security concerns, I'm sure that'd be welcome.
I meant that I might need to take a look at it because the example we
saw
Robby Findler wrote at 03/08/2012 05:45 PM:
Looks like something is trying to ssh while building the docs?
Can whoever figures this out let the list know, or email me privately?
Thanks.
If it turns out that a use of SSH made it into a *released* version of
Racket source, I might have to
Probably mere coincidence, but GitHub has disclosed a security
vulnerability of their service, which was exploited to target Rails
developers and unnamed others:
https://github.com/blog/1068-public-key-security-vulnerability-and-mitigation
Neil Van Dyke wrote at 03/08/2012 06:32 PM:
Robby
Brian Mastenbrook wrote at 03/06/2012 03:43 PM:
On my system, DrRacket 5.2.1 opens almost 1800 files to start. The
vast majority (1376) are .zo files, and another 133 are uncompiled
.rkt files from the Racket distribution.
It gets much faster once the files are in OS caches, which helps with
Matthew Flatt wrote at 02/29/2012 11:20 AM:
So far, I haven't managed to replicate the problem on my machine. Do
you have any hints on how to configure Apache to trigger the problem or
a server that I might try?
I'm afraid I don't have that test setup or notes anymore. I do recall
it was
Timur Sufiev wrote at 02/27/2012 08:58 AM:
[...] Raw ports were wrapped with SSL successfully, but then program
has hung up between 2 last actions: sending the request to server and
reading its reply. Further investigation showed that in the course of
SSL processing the server had requested
Sam Tobin-Hochstadt wrote at 02/17/2012 05:38 PM:
2. We keep it where it is, and don't maintain the code other than
fixing life-threating bugs. This is basically the status quo, and I
think it means people who report other, non-life-threatening bugs
should be informed that we're not maintaining
Neil Toronto wrote at 02/14/2012 03:37 PM:
Here's the deal, though. This one, even just the lambda r. in a
circle, is pushing complexity. We've been approaching logo design too
much like language design, trying to cram as much semantic content as
possible into a small space or into the fewest
Eli Barzilay wrote at 02/12/2012 01:50 AM:
An hour ago, Michael W wrote:
http://img513.imageshack.us/img513/5233/lambdarechopng.jpg
http://tmp.barzilay.org/cr.png
Yes! I think that cr.png has nailed the design.
lambdarechopng.jpg especially got my attention before, but I
Eli Barzilay wrote at 02/09/2012 09:27 PM:
([2] What Neil VD said.)
It's just Neil V. -- no social diseases.
--
http://www.neilvandyke.org/
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Of these two, I like the second (plastic) one a bit better. The blue in
the glass is distracting to me.
Careful that it doesn't look too much like the new Pepsi logo, which has
its own burden:
http://blowatlife.blogspot.com/2009/02/pepsi-logo-response.html
I still like the current lambda
Another variation, if you're thinking about cloud infrastructure today:
you could pretty easily make your own faux PLaneT server that either is
for a single app or takes the identity/profile of the app as part of the
URL the app uses to access the PLaneT server.
The faux server can be a tiny
Daniel Farina wrote at 12/29/2011 07:59 PM:
The goal is that a program written, say, three
years ago should be able to run the same way it did when it was
written, so it's really useful to freeze all the dependencies into the
file system somehow and preserve it.
Someone else can comment on
x...@ncdy.org wrote at 12/22/2011 03:42 AM:
I opened the question on StackOverflow
http://stackoverflow.com/questions/8599844/is-it-possible-how-to-use-racket-in-c-applications
They pointed me to mailing list, so I want to know if that possible to run
racket in such embedded mode?
Yes.
Eli Barzilay wrote at 12/20/2011 01:45 PM:
and there no sane way to debug it other than viewing it in all browsers.
Asumu, it seems like you're on a good track, but after you get the
layout how you like it in your browser, I don't envy you the
cross-browser testing to which Eli refers. :)
Matthias Felleisen wrote at 12/20/2011 08:02 AM:
I wouldn't mind a second Racket site that has some of what Asumu proposes, say
Racket-fans.org
BTW, I recently registered racket-club.{org,com}, mainly for the humor
potential. If there is a site that someone has been aching to see
Asumu Takikawa wrote at 12/20/2011 12:34 AM:
How would people feel about adding more content below the fold on the
website?
Seems OK to me, but two points:
1. Don't let the Twitter and such dominate the page visually. Things
like Twitter are for bringing people in, not sending them away or
Jon Rafkind wrote at 12/13/2011 06:27 PM:
A user of mine alerted me to the fact that 'scribble' is a crossword puzzle
similar to scrabble. He had it installed in ubuntu so when he typed make in my
source tree he ended up playing a game instead of generating documentation.
Given how
I think that mention of the old Scheme Cookbook wiki should be removed
from http://www.racket-lang.org/learning.html;, because it hurts much
more than it helps.
Right now, it's in one of the most prominent positions on the page.
--
http://www.neilvandyke.org/
1. Everyone should acknowledge the JWZ quote, Some people, when
confronted with a problem, think 'I know, I'll use regular expressions.'
Now they have two problems. Regular expressions are Perl's hammer that
makes most problems look like a nail.
2. Before someone spends too much time putting
As an immediate solution, I suggest simply not trying to use R6RS
compatibility libraries with Racket, and instead just use the Racket
language. Spend your energy on your application. (I don't want to get
into why right now, but my book will have an entire section or chapter
entitled Don't
I already relayed this good news (and the good news about byte I/O
recently) to one of my clients, who is a large user of Racket for Web apps.
I suspect this improvement will mean noticeably better responsiveness
for them under load, and perhaps fewer servers.
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http://www.neilvandyke.org/
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