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04:48 neilv: anyone want to run this code and tell me their operating system and whether or not the code says "YES"? http://paste.org/54232
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06:20 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/xTsZZA
06:20 RacketCommitBot: [racket/master] adjust check syntax so that it doesn't take over the right-click - Robby Findler
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06:29 bremner: neilv: it does on Linux (debian testing amd64) for me
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07:04 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/PF_-xg
07:04 RacketCommitBot: [racket/master] adjust the installer dialog so that it prints a "completed" - Robby Findler
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07:09 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/TqixRg
07:09 RacketCommitBot: [racket/master] eliminate some dead code (showuld have been removed in an earlier commit) - Robby Findler
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07:29 neilv: bremner: thanks
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07:48 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/nXKZuA
07:48 RacketCommitBot: [racket/master] make check syntax traverse (module* ...) expressions - Robby Findler
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10:43 grettke: Question for Windows Emacs users: If you are using V24... from where did you get it? I don't see it on the gnu site.
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10:48 bremner: grettke:  did you mean to ask that on #emacs?
10:53 grettke: bremner: No, I figured there are Geiser users in here. It turns out there are bad links on the gnu homepage.
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10:56 bremner: okey doke
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11:27 RacketCommitBot: [racket] plt pushed 2 new commits to master: http://git.io/fvKamA
11:27 RacketCommitBot: [racket/master] win32: fix(?) printing page-size calculation when in 100*mm - Matthew Flatt
11:27 RacketCommitBot: [racket/master] win32: fix for clipboard bitmap decoding - Matthew Flatt
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13:04 danl-ndi: trying to build racket embedded in a c++ program in 5.3
13:04 danl-ndi: it crashes during the call to scheme_main_setup in scheme_init_os_thread_like
13:04 danl-ndi: at:     *scheme_get_thread_local_variables_ptr() = vars;
13:09 danl-ndi: (using the embedding sample from the docs)
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13:23 samth: danl-ndi, does gdb tell you what's wrong?
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14:04 danl-ndi: samth: yes, actually visual studio does: scheme_get_thread_local_variables_ptr() returns null
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14:13 danl-ndi: what could go wrong with initializing thread local variables...?
14:15 samth: danl-ndi, i'm not sure
14:16 samth: but since you're using windows, my first guess is platform incompatibility issues
14:16 samth: but you should post on the mailing list
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15:56 asumu: I hadn't realized there there's actually a video of that game dev with Racket talk: http://cufp.org/videos/functional-mzscheme-dsls-game-development
15:56 asumu: (in general, CUFP videos: http://cufp.org/videos)
15:57 jonrafkind: audio is awful
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15:58 asumu: Also, https://www.coursera.org/course/programdesign
15:58 jonrafkind: im surprised they even posted this video
16:05 Cryovat: Hmm
16:05 Cryovat: Was about to remark the same about the audio
16:07 Cryovat: It must be incredibly rewarding to see your work used in a big project like that
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16:42 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/FTpRmQ
16:42 RacketCommitBot: [racket/master] fix first-order test for struct/dc contracts - Robby Findler
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17:51 danl-ndi: Cryovat: I make them work for it. sometimes.
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17:56 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/Ol2MTg
17:56 RacketCommitBot: [racket/master] Fixing error discovered by Steven Lyde - Jay McCarthy
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20:50 skarpy: Can anyone help me with this exercise from HtDP2e?  http://codepad.org/ohiBLVPy
20:50 skarpy: It's crashing on a up or down key press
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20:51 sizz: e.g. (main2 100)
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21:01 skarpy: yes
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22:26 asumu: skarpy: I think it'd help if you wrote purpose statements and contracts/signatures.
22:27 asumu: That would help you figure out the problem here (hint: does world-go make sense in change?)
22:36 skarpy: asumu: thanks, I'll work on it
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22:54 jonrafkind: wouldnt it be cool if you could reference an identifier from a module without having to require it, like racket/list.first. the module could find such identifiers and lift a require form to the top which would import that identifier only for the phase the identifier was used in. (require (for-meta 2 (only-in racket/list first)))
22:55 jonrafkind: you might have to rewrite parts of the expander to do it though
22:58 skarpy: asumu: okay, I think I did it right -- http://codepad.org/0Gw9ggVa
22:59 skarpy: And I even spelled 'gauge' correctly in this version ;0
23:00 asumu: Yeah, looks good.
23:01 asumu: jonrafkind: maybe, but I don't see myself using it that often.
23:01 asumu: Since it'd be annoying to type out the fully qualified name.
23:01 jonrafkind: yea its true, but i find it annoying to add new require things
23:02 jonrafkind: especially when I move code around to new files and I have to fix up the requires
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23:02 jonrafkind: if I could put (require) inside a function that would be nice
23:02 jonrafkind: scala allows that, import asdfioj; inside a function
23:02 asumu: I think I'd rather mess with requires than typing out stuff like racket/set.set-union.
23:03 asumu: Especially since Scheme-style identifiers are just sucky (e.g., set-union).
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23:03 jonrafkind: whats wrong with 'set-union'
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23:04 asumu: I'm just complaining about putting the data structure as part of the identifier.
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23:04 RacketCommitBot: [racket] plt pushed 3 new commits to master: http://git.io/qOCvRA
23:04 RacketCommitBot: [racket/master] Remove reference to outdated software. - Eli Barzilay
23:04 RacketCommitBot: [racket/master] Clarify that the `*-node' is not in the list of nodes. - Eli Barzilay
23:04 RacketCommitBot: [racket/master] Improvements to "meta/images/taking-screenshots". - Eli Barzilay
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23:04 jonrafkind: oh heh
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23:14 joebob: hey
23:15 asumu: joebob: hi
23:17 joebob: do you know how to use 0 as a parameter in racket? like lambda (0 x) (f2 x)
23:17 asumu: joebob: I'm not sure I understand the question. What's the intended behavior?
23:17 asumu: You want the number '0' to be the parameter name?
23:19 joebob: im trying to convert a function f(0,x) into racket, so it would be a constant value
23:20 asumu: Are you trying to translate a function defined in a language with pattern matching like Haskell?
23:26 joebob: i believe so
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23:27 asumu: rudybot: (define (f y x) (match* [(0 x) x]))
23:27 rudybot: asumu: Done.
23:27 asumu: rudybot: (f 0 3)
23:27 rudybot: asumu: error: procedure application: expected procedure, given: 0; arguments were: 3
23:27 asumu: Oh whoops
23:28 asumu: rudybot: eval (define (f y x) (match* (y x) [(0 x) x])) (f 0 3)
23:28 rudybot: asumu: ; Value: 3
23:28 asumu: You can use the match* thing to do pattern matching.
23:28 asumu: Though if you are new to Racket, you might want to familiarize yourself with `cond` and such first. See the Guide.
23:29 asumu: (incidentally, in the latest git I have a form called `define/match` that lets you write pattern matching based functions almost as short as in Haskell)
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23:55 joebob: sorry for late reply. thanks for the help im pretty new to racket so i'll have to play with it some more