Congrats Matthew!
On Thu, Dec 4, 2014 at 5:50 PM, Matthias Felleisen matth...@ccs.neu.edu
wrote:
Even the ACM considers our very own Matthew Flatt as a distinguished
scientist. -- Matthias
Begin forwarded message:
*From: *ACM Bulletin acmbulle...@acm.org
*Subject: **[ACM-BULLETIN]
On Wed, Mar 6, 2013 at 6:15 PM, Eli Barzilay e...@barzilay.org wrote:
There's no practical way to unify the two searches since they are
implemented in a completely different way all the way to how the end
user interacts with them.
Neither Racket's search nor Google's one report the
On Thu, Mar 7, 2013 at 3:36 AM, Eli Barzilay e...@barzilay.org wrote:
They are already indexed, but it happens to be a very popular name so
there are tons of results before it. (Try searching for stxparam to
see that it works.)
Ooops. You are right. I gave up too soon.
On Fri, Feb 22, 2013 at 4:40 PM, Ryan Culpepper ry...@ccs.neu.edu wrote:
The line
(date-day quando)99
looks pretty suspicious; with the 99 there, the first branch of the
enclosing 'if' expression returns 8 values but the second branch returns 7
values.
Yes, that was the source of the
of multiple value errors. It would be good to do
better, but I'm not sure how. The errortrace library contains what we
currently do so you'd want to experiment there if you have an idea.
Robby
On Fri, Feb 22, 2013 at 1:13 PM, Pierpaolo Bernardi olopie...@gmail.com
wrote:
On Fri, Feb 22
(I know how to add them, but maybe should be included out of the box?)
Cheers
_
Racket Developers list:
http://lists.racket-lang.org/dev
On Fri, Feb 8, 2013 at 1:12 PM, Pierpaolo Bernardi
olopie...@gmail.comwrote:
Hello,
with Welcome to DrRacket, version 5.3.2.3--2013-02-05(fb91582/a) [3m].
the bug report form is broken again.
Attached there is a screenshot of the error.
The report I was trying to submit follows below
After many retries, one succeded.
As ar as I can tell, I did nothing different this time.
Cheers
On Fri, Feb 8, 2013 at 8:12 PM, Pierpaolo Bernardi olopie...@gmail.com wrote:
Hello,
with Welcome to DrRacket, version 5.3.2.3--2013-02-05(fb91582/a) [3m].
the bug report form is broken again
On Thu, Feb 7, 2013 at 5:50 PM, Neil Toronto neil.toro...@gmail.com wrote:
DrDr runs (test-floating-point 1000) every push, which has returned only '()
for weeks. In your output, I don't see anything that would indicate a
problem with Racket. We can almost certainly pin the blame on your
expected: integer?
given: 3.3
(integer-roman 3.3)
. . integer-roman: contract violation
expected: integer?
given: 3.3
On Tue, Jan 29, 2013 at 4:33 PM, Pierpaolo Bernardi
olopie...@gmail.comwrote:
If I use raise-argument-error in my functions, like this:
(define (integer-roman n
)
. . integer-roman: contract violation
expected: integer?
given: 3.3
On Tue, Jan 29, 2013 at 4:33 PM, Pierpaolo Bernardi
olopie...@gmail.comwrote:
If I use raise-argument-error in my functions, like this:
(define (integer-roman n)
(cond ((not (integer? n))
(raise
AHA! You got it!
It happens in the tabs which have 'No debugging...' checked, and
doesn't happen otherwise.
2013/1/30, Robby Findler ro...@eecs.northwestern.edu:
What is the custom part of the language settings you have on?
Robby
On Tue, Jan 29, 2013 at 7:47 PM, Pierpaolo Bernardi
olopie
Hello,
In a freshly started DrRacket 5.3.2.1, on Windows 8, executables
creation fails with this message:
Executable creation in DrRacket is supported only in the teaching
languages and when the #lang line specifies the language (in “The
Racket Language”)
Consider using the raco exe
Hello,
the file attached causes the following internal error:
C:\Program
Files\Racket-Full-5.3.2.1\collects\typed-racket\utils\tc-utils.rkt:154:0:
Internal Typechecker Error: bad expected: #(struct:tc-results
(#(struct:tc-result Char - -) #(struct:tc-result (Vector Integer Integer
Integer
Hello,
try the following in the interaction panel of DrRacket:
(display (integer-char #x2144))
Or, just put this character in an editor buffer.
The character is displayed 3 lines below its proper position.
AFAIK, this character is a normal ‘Letterlike Symbol’. It shouldn't
have any misterious
On Thu, Jan 17, 2013 at 3:46 PM, Ray Racine ray.rac...@gmail.com wrote:
Works fine on Linux, assuming it's an upside down Y - ⅄
Yes. And here's how it looks on windows.
attachment: Cattura.PNG_
Racket Developers list:
http://lists.racket-lang.org/dev
On Thu, Jan 17, 2013 at 4:46 PM, Ben Goetter goet...@mazama.net wrote:
On Windows, Courier New (the default font for the drracket output pane) does
not support U+2144. When I set the output pane to use a font that does
support this character, such as Segoe UI Symbol, U+2144 displays in the
iauCal2jd gives 240.5 +56305.0 (=2456305.5) which is the correct
answer (of course!)
2013/1/13, Marco Maggi marco.maggi-i...@poste.it:
Pierpaolo Bernardi wrote:
You may want to look instead at (the time related parts
of) SOFA (www.iausofa.org).
I have libtoolised SOFA
On Fri, Jan 11, 2013 at 7:04 PM, Asumu Takikawa as...@ccs.neu.edu wrote:
Note: in the long run, it's probably best to have a comprehensive
srfi/19 replacement in racket/date,
Agreed.
srfi/19 also has some serious flaws, which I have no time at the
moment to delve into.
The one merit it has,
On Mon, Dec 17, 2012 at 10:35 PM, Ryan Culpepper r...@cs.utah.edu wrote:
True, popcount takes about three times as long as it used to. With a few
additional changes, popcount on a million-bit bit-vector takes 1.1 ms using
bytes, as opposed to 0.35 ms using fxvectors. (Tested on a 64-bit
Hi,
in the release notes of 5.3.1, there's:
• DrRacket can spell-check string constants (enable this in the Edit menu).
I can't find anything related in the Edit menu, and searching for
spell in the help desk turns out empty.
(On Windows, in case it matters).
Cheers
P.
On Thu, Nov 29, 2012 at 2:46 PM, Robby Findler
ro...@eecs.northwestern.edu wrote:
There should be an menu item about fourth from the end called Spell
Check String Constants.
Not in my case.
It won't work if you don't have aspell installed, however.
That's my case!
Cheers
P.
On Sat, Nov 24, 2012 at 8:33 PM, Jens Axel Søgaard
jensa...@soegaard.net wrote:
Hi All,
I have written an implementation of bit vectors intended to be part of
the data collection.
https://github.com/plt/racket/pull/176
Any comments on the implementation and documentation are welcome.
Hi,
On Tue, Nov 27, 2012 at 2:34 PM, Jens Axel Søgaard
jensa...@soegaard.net wrote:
Hi Pierpaolo,
2012/11/27 Pierpaolo Bernardi olopie...@gmail.com:
Also, you store and retrieve booleans, not bits, so the name
'bit-vector' is misleading.
Potato / Potato :-)
http://wiki.call-cc.org
On Fri, Nov 23, 2012 at 1:20 AM, Nadeem Abdul Hamid nad...@acm.org wrote:
1. Do you use the automatic parentheses feature of DrRacket?
No.
3. If your answer to #1 is No, why not? (Is it because you find its
current behavior awkward in some way?)
Yes. Typing close parentheses is much less
How does compare to builtin mutable hashes?
2012/11/18, Danny Yoo d...@hashcollision.org:
I'm doing some micro-optimizations on my rb-tree implementation. One thing
I'm testing is inserting the entire contents of /usr/share/dict/words.
It's heavily dominated by structure-mutation code.
The non-cooperation between char-numeric? and string-number is very annoying.
I had to resort to:
(define (my-char-numeric? c)
(char=? #\0 c #\9))
Maybe I am missing a function similar to my-char-numeric? somewhere in
the Racket docs?
FWIW, my humble opinion is that char-numeric? should be
The non-cooperation between char-numeric? and string-number is very annoying.
I had to resort to:
(define (my-char-numeric? c)
(char=? #\0 c #\9))
Maybe I am missing a function similar to my-char-numeric? somewhere in
the Racket docs?
FWIW, my humble opinion is that char-numeric? should be
On Tue, Sep 4, 2012 at 3:11 PM, Jens Axel Søgaard jensa...@soegaard.net wrote:
Since the R5RS version of char-numeric? (according to the documentation)
tests for the ten digits, you can use:
(require (only-in r5rs char-numeric?))
Thanks Jens Axel. However, the r5rs version appears to be the
On Tue, Sep 4, 2012 at 3:56 PM, Doug Williams
m.douglas.willi...@gmail.com wrote:
I would say your function would be better named is-digit?
Good point. However, many of the characters which are char-numeric?
are digits too, in other writing systems.
and that the
char-numeric? is exactly what
On Tue, Sep 4, 2012 at 5:03 PM, Sam Tobin-Hochstadt sa...@ccs.neu.edu wrote:
On Tue, Sep 4, 2012 at 10:57 AM, Pierpaolo Bernardi olopie...@gmail.com
wrote:
What is annoying is that char-numeric? and string-number are not compatible.
`char-numeric?` and `string-number` would
Hello,
not an important point, just a simple observation that I don't
remember having ever seen raised:
the repl not printing the void object, sometimes creates ambiguities.
Example, given:
(define (ok)
'ok)
(define (not-ok)
(let ((answer 40))
(set! answer (+ answer 2
and at the
Hello,
(for company firewall reasons I cannot use the bug report facility.
Please bear with me).
Racket version 5.2.1;
Environment: windows Windows NT 6.1 (Build 7601) Service Pack 1
(win32\i386\3m) (get-display-depth) = 32;
If I put the following text in a buffer:
#lang racket
(struct
On Wed, Feb 15, 2012 at 14:29, Eli Barzilay e...@barzilay.org wrote:
Just now, Matthias Felleisen wrote:
On Feb 15, 2012, at 4:30 AM, Pierpaolo Bernardi wrote:
(for company firewall reasons I cannot use the bug report
facility. Please bear with me).
Perhaps we should have an option
On Wed, Feb 15, 2012 at 14:39, Eli Barzilay e...@barzilay.org wrote:
Just now, Pierpaolo Bernardi wrote:
oops. I have not tried sending this report with this version of
DrRacket. I was remembering the behaviour of previous versions.
Should I try to file this report to check if it's working
On Fri, May 20, 2011 at 00:22, Matthew Flatt mfl...@cs.utah.edu wrote:
I've pushed a fix to the git repo.
Thanks!
_
For list-related administrative tasks:
http://lists.racket-lang.org/listinfo/dev
Hello,
attempting to compile the attached file crashes DrRacket.
Banner: Welcome to DrRacket, version 5.1.1 [3m].
Environment: windows XP 32 bit.
P.
wttree.rkt
Description: Binary data
_
For list-related administrative tasks:
On Thu, May 19, 2011 at 16:20, Sam Tobin-Hochstadt sa...@ccs.neu.edu wrote:
This crashes DrRacket (but not command line Racket, or 'raco make') on
Linux as well, but *only* if Debugging is off.
ah!
_
For list-related administrative tasks:
BTW, I think there are a couple of typos in:
15.2 Ephemerons
An ephemeron [Hayes97] is a generalization of a weak box (see Weak
Boxes). Instead of just containing one value, an e___m___phemeron
holds two values: one that is considered the value of the ephemeron
and another that is the ephemeron’s
Hello,
the attached program, invoked with
(fa 2000 -2)
in DrRacket, both in 5.1 and in 5.1.0.5, on windows XP, causes
DrRacket to crash (after 20 minutes, on my machine).
This appears to be repeatable on my machine.
I tested with No debugging or profiling, don't Preserve
stacktrace, and
On Mon, Apr 18, 2011 at 16:49, Pierpaolo Bernardi olopie...@gmail.com wrote:
And there's plenty of free ram when it happens.
To be more precise, I ran the test once more: the machine has 2 GB of
RAM, DrRacket at the moment of the crash uses about 900 MB, and there
are more than 300 MB
On Fri, Apr 15, 2011 at 10:51, Marijn hk...@gentoo.org wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 04/13/11 14:15, Marijn wrote:
Hi,
racket currently still installs a mzscheme executable that (on my
system) does this:
$ mzscheme
read failed to read all 31 bytes from file
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