I am getting the following error... And this is the only message I get...
SIGSEGV MAPERR si_code 1 fault on addr 0xfffc
This often means 0xfffc isn't getting marked, and was prematurely
freed
Aborted
What does it mean? Has anyone seen this?
If you want to take a look at
I've pushed local fixes. Please feel free to push a better revision if
you have the energy.
Robby
On Thu, Sep 2, 2010 at 4:40 PM, Shriram Krishnamurthi wrote:
> http://docs.racket-lang.org/drracket/extending-drracket.html?q=teachpack#(part._teachpacks)
>
> -
> As an example, the following te
http://docs.racket-lang.org/drracket/extending-drracket.html?q=teachpack#(part._teachpacks)
-
As an example, the following teachpack provides a lazy cons
implementation. To test it, be sure to save it in a file named
"lazycons.ss".
...
Then, in this program:
...
the list all-nums is bound
At Thu, 2 Sep 2010 12:24:20 -0400, Eric Dobson wrote:
> I am trying to create a patch for 5.0.1 in the form of a plt file that
> will backport fixes to plai. To do this I also need to backport the
> new define-struct.
For my class, I'm using an implementation of `define-type' that is
different fro
Match is fantastic, and sometimes you want finer control over the error
messages. This morning I whipped up a "match/fail*" macro, which successively
matches against a sequence of patterns, and allows you to specify a separate
fail message for each "layer".
It's a simple macro, and I give a use
It still behaves the same. I can literally capture a screenshot of the
canvas at any point where only a portion of the pictures have been
drawn on it.
On Thu, Sep 2, 2010 at 9:53 AM, Robby Findler
wrote:
> What happens if you restart drracket and try the same program again?
> (If the double buff
What happens if you restart drracket and try the same program again?
(If the double buffering appears to come back I think I know what
happened.)
Robby
On Thu, Sep 2, 2010 at 8:15 AM, Nadeem Abdul Hamid wrote:
>> Why do you think it doesn't?
>
> (I'm assuming you mean: "What makes me think that
It sounds like there is also a performance problem there too. If you
don't mind supplying a program for us to play with to see if we can do
better, that would be helpful (but no promises ).
Robby
On Thu, Sep 2, 2010 at 8:15 AM, Nadeem Abdul Hamid wrote:
>> Why do you think it doesn't?
>
> (I
> Why do you think it doesn't?
(I'm assuming you mean: "What makes me think that it is not
double-buffering?") ...
I have a list of 15 thumbnail images of people and a function that
places pairs of them side by side, using above/beside to create a 133
x 581 image. i.e.
choose-and-show-pairs :
Why do you think it doesn't?
On Sep 2, 2010, at 8:52 AM, Nadeem Abdul Hamid wrote:
> Why doesn't 2htdp/universe use double-buffering?
>
> --- nadeem
> _
> For list-related administrative tasks:
> http://lists.racket-lang.org/listinfo/dev
__
Why doesn't 2htdp/universe use double-buffering?
--- nadeem
_
For list-related administrative tasks:
http://lists.racket-lang.org/listinfo/dev
On Sep 2, Noel Welsh wrote:
> On Thu, Sep 2, 2010 at 11:57 AM, Eli Barzilay wrote:
> > Well -- you do, in a sense. When something is broken, someone
> > needs to fix it. There's tons of stuff that is (or has)
> > bitrotting away since there's no proper owner to take care of some
> > code, or bu
On Thu, Sep 2, 2010 at 11:57 AM, Eli Barzilay wrote:
> Well -- you do, in a sense. When something is broken, someone needs
> to fix it. There's tons of stuff that is (or has) bitrotting away
> since there's no proper owner to take care of some code, or bugs in
> code with no clear owner need to
On Sep 2, Noel Welsh wrote:
> On Sat, Aug 28, 2010 at 5:34 PM, Eli Barzilay wrote:
> > I (finally) read this and the thread that went on at the time, and
> > I don't see any point in all of this, besides a vage plea to
> > encourage tests, and a slightly more concrete (but impractical)
> > call f
On Sat, Aug 28, 2010 at 5:34 PM, Eli Barzilay wrote:
> I (finally) read this and the thread that went on at the time, and I
> don't see any point in all of this, besides a vage plea to encourage
> tests, and a slightly more concrete (but impractical) call for stress
> tests.
I think laying down g
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