Thanks for the info!
The problem was not specific to 10.11 (obviously) and not related to GL
bitmaps. It was in the way Pict3D creates and hides a frame to get a
screen-compatible GL context. Between v6.3 and v6.4, I changed the way
`racket/gui` hides a frame on OS X, and the new way destroys the
I'm running 10.10 Yosemite. (should I do a bug report to capture machine
details?)
macosx "Darwin Miriams-MacBook-Pro.local 14.5.0 Darwin Kernel Version
14.5.0: Tue Sep 1 21:23:09 PDT 2015; root:xnu-2782.50.1~1/RELEASE_X86_64
x86_64" (x86_64-macosx/3m) (get-display-depth) = 32
thanks,
S.
I see the same problem on my machine with v6.4 and 6.4.0.8, and not
with v6.3.
Using `pict3d/universe` works for me in all versions, but the Pict3D
snip that's shown in DrRacket doesn't. So, I think the problem must be
due to a change since v6.3 in `racket/gui` related to GL bitmaps. I'll
4th ACM SIGPLAN International Workshop on
Functional Art, Music, Modelling and Design
Co-located with ICFP
Nara, Japan, 24 September, 2016
Hello,
I'd like to install Emacs mode for Scribble and according to the docs
here are two methods, I did try the 2nd one which says:
Evaluate the following Racket code to install the PLaneT package
without modifying your Emacs setup.
(require (planet neil/scribble-emacs))
since I use
Hi Aysenur
Here are some hints:
- It's simpler to work with symbols than strings in this sort of
problem. E.g.
(define ops '(↔ → ∧ ⊕ ∨ ¬))
(define propositions '(P Q R X Y Z))
- It helps to start by solving a simpler problem. Can you write a
function (random-simple-expression) to
I have a macro that creates a transformer binding. This binding has
prop:procedure on it, so when used, it functions as a macro and expands
into something else. This works great, but I have another requirement:
when this binding is provided, I actually want to provide an entirely
different value
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