cond time, that monitor wasn't
> there anymore and a bug caused it to crash instead of just moving your
> window to an existing monitor.
>
> I've pushed a repair for the crash, but does that sound like a
> plausible scenario?
>
> Robby
>
> On Wed, Sep 28, 2011 at
Occasionally, my prefs file gets into a state where drracket cant
start and fails with this error:
-: expects type as 2nd argument, given: #f; other arguments were: 76
=== context ===
C:\plt\collects\framework\private\frame.rkt:255:2
C:\plt\collects\racket\private\class-internal.rkt:3680:0: con
I'm not sure when this was fixed but the search in drracket is much
nicer to use now because the focus switches immediately to the search
box. Thanks.
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I'm getting some compile errors. Is it due to this checkin?
raco setup: post-installing: mzcom
raco setup: post-installing: mzscheme
raco setup: post-installing: racket/gui
raco setup:
raco setup: error: during making for redex/tests/compiler
raco setup: compile: identifier used out of context i
Somehow I missed this entire thread. Some responses below.
> Let me try to say what I understand out loud:
>
> 1. The existence of Stepper knowledge in the Lazy compiler creates a
> 'spiritual' dependency between the Lazy language and a tool in DrRacket (=
> Tool world). QUESTION: does this know
On Fri, Aug 5, 2011 at 9:45 AM, Shriram Krishnamurthi wrote:
> Noel is absolutely right.
>
> We live in an era where Search Just Works. I do dozens of Google
> searches on most days. To go from there to Help Desk is an incredibly
> jarring experience. I have to load new instructions into my hea
On Sun, Jul 24, 2011 at 12:23 PM, Stephen Chang wrote:
> I've made a push that should fix both these problems. The push should
> be included in the release.
Correction. Commit 8956364387fa25ffeb51e50fc1a83c20fd88af32 should be
included but not th
wrote:
- Stepper Tests
>>>
>>> Printing in the Stepper is broken yet again. (I get backquote printing
>>> for the DMdA levels for lists.) I'll try to fix it Monday or Tuesday.
>> Can you describe the failing test case?
>
> Pick the DeinProgramm -> Die Macht der Abstraktion language.
>
> T
>> - Stepper Tests
>
> Printing in the Stepper is broken yet again. (I get backquote printing
> for the DMdA levels for lists.) I'll try to fix it Monday or Tuesday.
Mike, is the DMdA stepper the same as the HtDP stepper? I'm only
seeing 1 dmda test in collects/tests/stepper but it doesnt have
> * Stephen Chang
> - Lazy Racket Tests
> - Lazy stepper tests
All passed.
> * Eli Barzilay
> - Swindle Tests
> - Plot Tests
> - Verify that the unix installer works in both modes
> - Racket Tree: compare new distribution tree to previous one
> Version Upd
Does anyone know why drdr is hanging on this commit? Is it because it
changed the docs?
On Wed, Jul 13, 2011 at 4:27 PM, wrote:
> asumu has updated `master' from cf04739f93 to 2fdc56db3a.
> http://git.racket-lang.org/plt/cf04739f93..2fdc56db3a
>
> =[ 1 Commits ]==
> I just observed something that gave me a bit of a start; it appears to me
> that bindings in the teaching languages are still parsed as top-level
> bindings, and not as module bindings. This is weird, because I'm pretty
> confident that the definitions get wrapped in a module before expansion
> I'm trying to compile racket from source on a linux machine here at
> Northeastern, but when I try to run the configure script, I get a
> "command not found" error. The permissions on the file are correct and
> when I run "bash configure" I get this:
>
> stchang@mrdo:~/plt/src$ bash configure
> :
I'm trying to compile racket from source on a linux machine here at
Northeastern, but when I try to run the configure script, I get a
"command not found" error. The permissions on the file are correct and
when I run "bash configure" I get this:
stchang@mrdo:~/plt/src$ bash configure
: command not
> Oh, I know: the deinprogramm library probably depends on the
> test-engine tool being present too.
Yeah it does. I think deinprogramm also depends on the Signatures tool.
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>> > This question is somewhat vague but I've been able to replicate it
>> > pretty reliably so I'll ask anyways. I'm running redex-check for a
>> > long time and after about 6-8 hours, drracket crashes with a "racket
>> > out of virtual memory" error. This is on Windows 7. The machine has
>> > lot
> This question is somewhat vague but I've been able to replicate it
> pretty reliably so I'll ask anyways. I'm running redex-check for a
> long time and after about 6-8 hours, drracket crashes with a "racket
> out of virtual memory" error. This is on Windows 7. The machine has
> lots of physical r
This question is somewhat vague but I've been able to replicate it
pretty reliably so I'll ask anyways. I'm running redex-check for a
long time and after about 6-8 hours, drracket crashes with a "racket
out of virtual memory" error. This is on Windows 7. The machine has
lots of physical ram but no
>> I did run raco setup and I have some tools disabled (in fact,
>> everything except htdp, stepper, and lazy racket are disabled). But it
>> still shouldnt error, right?
>
> I guess. One might also say the problem is that you can't disable
> certain tools (without disabling others). I'm not sure w
bled). But it
still shouldnt error, right?
>> On Sun, May 15, 2011 at 2:42 PM, Stephen Chang wrote:
>>> I just pulled the latest from git, started drracket, selected
>>> Beginning Student language,
>>> pressed run, and I got this error msg:
>>>
>
I just pulled the latest from git, started drracket, selected
Beginning Student language,
pressed run, and I got this error msg:
send: no such method: get-test-window for class: ...per\stepper-tool.rkt:235:4
=== context ===
C:\plt\collects\racket\private\class-internal.rkt:4550:0: obj-error
C:
> Can you define an "other stuff" non-terminal O:
>
> (O hole )
>
> and sprinkle some Os in A:
>
> (A hole (in-hole (in-hole O ((in-hole O A) e)) (λ x (in-hole O A
Something along this line could work. But I would need side conditions
to make sure that the O doesnt mess up the "A-ness" pro
So I'm struggling with redex again and I cant figure out a way to
utilize any of the previously mentioned tricks. I just included what I
have below and I described what I'm trying to do. Hopefully someone
will have some time to take a look? :)
I have a context A, where the focus is in the body of
Hmm, or maybe you've found a bug in my model. Either way, thanks for
looking into this.
2011/5/2 Casey Klein :
> On Mon, May 2, 2011 at 3:30 PM, Stephen Chang wrote:
>>>> (define-language test
>>>> (e x (λ x e) (e e))
>>>> (x variable-not-otherwis
>> (define-language test
>> (e x (λ x e) (e e))
>> (x variable-not-otherwise-mentioned)
>> (A hole
>> (in-hole (A e) (λ x A
Cool, that works! I didnt think to do that with in-hole. Can you
explain how it keeps the number of lambdas and arguments the same
though? I'm cant quite figure ou
> Why not just:
>
> A ::= hole | ((lambda x A) e)
That doesnt cover something like (((lambda y (lambda x hole)) e_1) e_2)
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> Oh, but this simpler definition seems to be equivalent:
>
> (define-language test
> (e x (λ x e) (e e))
> (x variable-not-otherwise-mentioned)
> (A hole
> (λ x A)
> (A e)))
Yes, you are right. But I left out a part of my grammar, which is that
I need the number of nested lambdas and t
Thanks for the fast replies. A combination of restricting some of my
contexts and explicitly stating more cases helped. Previously, I was
trying to use more general contexts and then restricting the cases
with side conditions. For example, in A, F always has at least one
lambda, but later, I do nee
Is there any way to compose contexts in Redex? I want to represent a
context where, at each level, the leftmost term is an arbitrary number
of nested lambdas, and the hole is in the body of the innermost
lambda.
A ::= hole | (\x_1...\x_n.A) e_1 .. e_n
Below is my (stripped down) attempt at repr
> I know that Stephen wanted something on the lazy stepper
>
> John
Jon mentioned it in the original list.
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tracting into the wrong directory. Stupid of me.
> You can also just download the "full" version from the pre-built binaries, no?
Oh yeah, that would have worked as well, thanks.
> * Stephen Chang
> - Lazy Racket Tests
> - Lazy stepper tests
all passed
_
#x27;re done, or tell me if there are no such
> changes.)
>
> * Kathy Gray
> - Test Engine Tests
>
> * Noel Welsh
> - Rackunit Tests
> - SRFI Tests
> - Ensure that all claimed srfi's are in the installer and they all
> load into racket or drracket (as appropria
I dont have any insight into the crashing, but fwiw, I ran your
program on two machines and both completed. The first machine has
windows7 and 12gb ram and the second is xp and has 2gb (and pretty
much took all day to complete). I ran both times with unlimited memory
in drracket.
Here is the outpu
I dont see the behavior you mentioned in the latest version of
drracket. Can you provide some more information? What version of
drracket and on what platform are you using? Can you provide an
example program that exhibits the behavior?
On Mon, Apr 11, 2011 at 6:08 AM, bhrgunatha wrote:
> When d
; At Tue, 5 Apr 2011 09:14:37 -0400, Stephen Chang wrote:
>> I found a mouse with horizontal tilting, but like others, I dont see
>> any events when tilting left or right. This is with Windows XP and the
>> latest from git.
>>
>>
>>
>>
>> On Sun,
I found a mouse with horizontal tilting, but like others, I dont see
any events when tilting left or right. This is with Windows XP and the
latest from git.
On Sun, Apr 3, 2011 at 5:22 PM, Eli Barzilay wrote:
> An hour and a half ago, Eli Barzilay wrote:
>>
>> Still nothing, but maybe I got so
Ok, my mouse must not be advanced enough. I'll see if I can find one.
On Sun, Apr 3, 2011 at 3:03 PM, Matthew Flatt wrote:
> At Sun, 3 Apr 2011 13:52:14 -0400, Stephen Chang wrote:
>> Is this different from clicking and dragging the wheel button around?
>
> Yes, a horizont
Is this different from clicking and dragging the wheel button around?
Because that seems to work. It doesnt say left or right though, just
"MIDDLE dragging moving".
On Sun, Apr 3, 2011 at 12:39 PM, Matthew Flatt wrote:
> The `racket/gui' library now supports horizontal mouse-wheel events,
> b
ar Racket, I think
> to accommodate improper lists.
>
> C:\Users\Administrator\git\exp\plt>Racket.exe
> Welcome to Racket v5.0.99.7.
>> (take "nonlist" 0)
> '()
>
> Robby
>
> On Thu, Jan 27, 2011 at 3:32 PM, Stephen Chang wrote:
>> What should be the
What should be the result of (take 0 "nonlist")
In the spirit of this bug report, I think it should be an error
http://bugs.racket-lang.org/query/?cmd=view&pr=11458
But right now it evaluates to the empty list.
On Wed, Jan 26, 2011 at 6:43 PM, Stephen Chang wrote:
> Oh
wrote:
>> stchang has updated `master' from 1ab22f7c2b to f60957282f.
>> http://git.racket-lang.org/plt/1ab22f7c2b..f60957282f
>>
>> =[ 1 Commits ]==
>>
>> Directory summary:
>> 100.0% collects/t
Oh sorry, didnt read carefully. I now see that it wasnt my push you
were replying to.
On Wed, Jan 26, 2011 at 6:42 PM, Stephen Chang wrote:
> That wasnt the bug that I was fixing.
>
>
>
> On Wed, Jan 26, 2011 at 5:58 PM, Matthew Flatt wrote:
>> At Wed, 26 Jan 2011 17:07:
That wasnt the bug that I was fixing.
On Wed, Jan 26, 2011 at 5:58 PM, Matthew Flatt wrote:
> At Wed, 26 Jan 2011 17:07:32 -0500, e...@racket-lang.org wrote:
>> + (let ([n0 (! n)])
>> + (unless (exact-nonnegative-integer? n)
>> + (raise-type-error 'take "non-negative exact intege
> Last thing I can think of:
>
> gcc (Ubuntu 4.4.3-4ubuntu5) 4.4.3
$ gcc --version
gcc (Ubuntu 4.4.3-4ubuntu5) 4.4.3
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$ uname -r
> 2.6.32-24-server
>
> Is your box 64-bit? If not, that might indicate the issue:
>
> $ uname -a
> Linux kahu 2.6.32-24-server #43-Ubuntu SMP Thu Sep 16 16:05:42 UTC
> 2010 x86_64 GNU/Linux
>
> It's also running in a VM.
>
> N.
>
> On Mon, Jan 2
On Mon, Jan 24, 2011 at 9:26 AM, Noel Welsh wrote:
> I also get that, but it doesn't stop compilation from working on other
> platforms.
>
> N.
>
> On Mon, Jan 24, 2011 at 2:25 PM, Stephen Chang wrote:
>> When I try to run ../configure --disable-gracket, I get a
When I try to run ../configure --disable-gracket, I get a warning that
it's not a valid option:
configure: WARNING: unrecognized options: --disable-gracket
On Mon, Jan 24, 2011 at 7:42 AM, Noel Welsh wrote:
> Hi,
>
> I have an Ubuntu VM:
>
> kahu@kahu:/usr/local/racket-5.0.99.6/src/build$ una
Seems like the site is down again :(
On Thu, Jan 20, 2011 at 1:56 AM, Jon Rafkind wrote:
> its working for me. i just submitted a bug, too.
>
> On 01/19/2011 04:44 PM, John Clements wrote:
>
> It looks like racket-lang.org is down.
>
> John
>
>
> _
I tried once and got some problems. I dont remember exactly what went
wrong, but I think the problem might have been with my cygwin install.
I think it's expected to work. Here is a paragraph from the README file:
To compile with Cygwin tools, follow the Unix instructions below, and be
sure to co
Oops, sorry, it's 5.0.1.7.
On Tue, Jan 11, 2011 at 1:18 PM, Robby Findler
wrote:
> Which version of Racket are you using?
>
> Robby
>
> On Tue, Jan 11, 2011 at 12:12 PM, Stephen Chang wrote:
>> Has anyone ever had issues with generating .eps files with
>> rend
I'm surprised no one has linked this all-clarifying blog post :)
http://tartley.com/?p=1267
On Fri, Jan 7, 2011 at 4:52 PM, Eli Barzilay wrote:
> Two hours ago, John Clements wrote:
>>
>> Taking a step back: is there really anything wrong with such
>> commits?
>
> What Robby and Vincent gener
I've used ctrl-w in a windows drracket keyboard macro before (and I just
tested it again). Also, you can always use ctrl-u 6 ctrl-x e as a substitute
for control-x e e e e e e.
On Mon, Jan 3, 2011 at 8:44 PM, Matthias Felleisen wrote:
>
> I considered using a keyboard macro. The time to switch
I'm using version 5.0.1.5--2010-09-03 (I'm not using the latest because some
tests are broken in the latest). If I run the stepper tests with no
debugging and no profiling, or with just debugging, all the tests pass. But
if I run the tests with debugging and profiling turned on, some tests fail.
I
> I don't think we ever found a workaround, but you could double-check
> this thread:
>
> http://lists.racket-lang.org/dev/archive/2010-July/003692.html
Thanks. I played around with enabling/disabling debugging and
profiling options like Doug did and now the error is gone (regardless
of what butt
> I don't suppose you get a stacktrace with the error?
No, it's just the error message. Although it seems to only happen in
drracket. I cant recreate the error from the command line.
> On Thu, Oct 7, 2010 at 3:35 PM, Stephen Chang wrote:
>> Has anyone seen an
Has anyone seen an error like this before:
string as 1st argument, given: #f; other
arguments were: "dcdf0433aca16ea2f5db9a003821f56a718d2da5"
I'm using an older version of racket, 5.0.0.6, but I havent seen the
error until recently. I get the error when I run certain files in
drracket. I started
This seems to do the trick:
(table 3
(list (t "Header1") (t "Header2") (t "Header3")
(t "11") (t "17") (t "29"))
cc-superimpose
cc-superimpose
gap-size
gap-size)
On Tue, Jun 15, 2010 at 11:01 AM, Sam Tobin-Hochstadt
wrote:
> I'd like to produce,
Oops nevermind. I misread scribble as slideshow.
On Tue, Jun 15, 2010 at 11:24 AM, Stephen Chang wrote:
> This seems to do the trick:
>
> (table 3
>(list (t "Header1") (t "Header2") (t "Header3")
> (t "11")
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