[racket] Racket FFI to ImageMagick

2011-12-01 Thread Harry Spier
A while ago in response to a question I had about the FFI to Racket, Eli Barzilay wrote: > > > > Note BTW that the ImageMagick interface that comes with racket was > > made as an example for an interface, so it wasn't kept up to date with > > the current API. (I don't know what changed, but given t

Re: [racket] GUI does not paint while window is resizing on Windows XP

2011-12-01 Thread Jeff C. Britton
I finally had a chance to look at this again. If I hold onto a corner and keep dragging it, eventually it appears that an event is missed and then the window can be resized without painting taking place. You need to keep dragging the corner for 30 seconds to a couple of minutes. I might not

[racket] unsuscribe

2011-12-01 Thread emre berat nebioğlu
i want to usubscribe how can i do that _ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users

[racket] HtDP: Exercise 5.1.5. - fifth condition/answer should be added

2011-12-01 Thread Jakub Hadam
I propose to add a fifth answer (as a third one) ('TwoColorsOccur) to the exercise 5.1.5 to cover the following situtation: (check-color 'blue 'red 'red 'blue) -> 'TwoColorsOccur [(and (symbol=? T1 G2) (symbol=? T2 G1)) 'TwoColorsOccur] Under the current answers this situation would result in 'O

Re: [racket] MysterX error message

2011-12-01 Thread José Lopes
Hello, Your first guess is right! Thank you very much. Regards, José On quinta-feira, 1 de Dezembro de 2011 02:31:19, Ben Goetter wrote: My first guess would be a damaged installation of AutoCAD. Alternately, edit src/mysterx/mysterx.cxx and remove lines 4347 through 4357 (helpfully brackete

Re: [racket] exercise 6.6.3 htdp

2011-12-01 Thread Marijn
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 30-11-11 13:11, frank weytjens wrote: > (define H 300) (define L 300) (define-struct cirkel (posn number > color)) (define cirkel1 (make-cirkel(make-posn (/ H 2) (/ L 2)) (/ > L 4) 'red)) ;; fun-for-circle: circle --> ? ;;(define > (fun-for-circle c