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03:30 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/38V10A
03:30 RacketCommitBot: racket/master 0a0fe1a Eli Barzilay: New Racket version 5.3.1.12.
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03:50 RacketCommitBot: racket/master c70f7d2 Danny Yoo: Disambiguate sentence on custodian shutdown....
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04:26 mrstitswiggle: how do I get racket to recognize the show method for a gui window?
04:26 mrstitswiggle: it keeps saying unbound identifier
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04:30 apeman_: when (if appears in a definition, is it always safe to use (cond instead and expect the exact same behaviour?
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04:36 mrstitswiggle: apeman_: why not?
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11:58 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/id-dUA
11:58 RacketCommitBot: racket/master 0f64a0a Robby Findler: fix handin server error on bad password
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12:26 RacketCommitBot: racket/master 0f9674e Robby Findler: adjust drracket window size and position preferences to use a different key...
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13:20 asdasda: Will this not work in certain cases? (send frame show #t)
13:21 asdasda: Racket's gui stuff seems to not work unless defined at the top level of my module.
13:21 asdasda: I keep gettign unbound identifier for show, set-value, and get-value
13:29 Sgeo: Hmm, in a pattern, it's generally not allowed to do something like (foo ... bar ...)?
13:29 Sgeo: That makes sense
13:32 asdasda: does simply adding (require racket/gui/base) import all of the methods for text-field% ?
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14:00 Sgeo: Are there any potential uses for code-walkers in Racket?
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14:11 RacketCommitBot: racket/master 0097d59 Matthew Flatt: avoid compiler warning
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14:12 RacketCommitBot: racket/master c29c405 Neil Toronto: Added back partial pivoting to Gaussian elimination
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14:12 RacketCommitBot: racket/master 9743504 Robby Findler: whoops, fix a bug introduced in 0f9674e1ddd598a97bec61a9e759102182a26789
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14:37 RacketCommitBot: racket/master 07d5a9e Matthew Flatt: fix `expt' on small negative number and large positive odd...
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15:50 univyrse: it would be cool if the racket guide was a wiki so that we could add to it.
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15:51 univyrse: htdp isn't bad either, but it practically requires you to use drracket, which I'm not willing to do
15:53 jonrafkind: why do you think you need drracket for htdp
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16:01 RacketCommitBot: racket/master 0e763f5 Robby Findler: check the result of find-ls in the one place it wasn't being checked...
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16:27 dyoo: asdasda: it's more likely that you need to require racket/class, as it's the module that provides object oriented things like "send"
16:27 asdasda: i was overriding send :(
16:27 asdasda: thanks :)
16:28 dyoo: In retrospect, the message passing in Racket's class system is all dynamic
16:28 asdasda: mmm
16:31 dyoo: univyrse: there's a wiki on the github repository where you can start.  https://github.com/plt/racket/wiki
16:31 (quit) dyoo: Quit: dyoo
16:33 univyrse: yeah I saw that, I was actually thinking about starting a wikibook or something, idk
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17:14 asdasda: how do i get around string functions being in both racjet/string and srfi/13?
17:14 asdasda: I want to use string-split and string-contains
17:15 asdasda: can you only import certain fucntions from a lib?
17:23 asdasda: or, is there a way to just import certain funcs?
17:27 asumu: univyrse|away: feel free to submit pull requests if you want to add content to the Guide.
17:27 asumu: asdasda: only-in
17:28 asumu: rudybot: (require (only-in srfi/1 lset-union))
17:28 rudybot: asumu: your sandbox is ready
17:28 rudybot: asumu: Done.
17:28 asumu: rudybot: (lset-union '(1 2 3) '(4))
17:28 rudybot: asumu: error: lset-union: expected procedure, given (1 2 3)
17:28 asdasda: thanks
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17:28 asumu: (okay, I don't know how to use lset-union, but that's beside the point :p)
17:30 Sgeo: I guess I really should try it myself, but if I make a macro that uses => as a literal to mean something, can another module rename => to something else?
17:30 Sgeo: When it goes to use it?
17:30 Sgeo is guessing the answer is yes
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17:56 RacketCommitBot: [racket] plt pushed 3 new commits to master: http://git.io/QO5fZw
17:56 RacketCommitBot: racket/master 55f98a1 Matthew Flatt: racket/gui gtk: make `on-demand' for menus work better...
17:56 RacketCommitBot: racket/master b67ca63 Matthew Flatt: fix doc typo...
17:56 RacketCommitBot: racket/master 1f8370d Matthew Flatt: revise README and "Getting Started" info...
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18:05 Sgeo: "?Neil W. Van Dyke, M.Sc.
18:05 Sgeo: "
18:05 Sgeo: Is that neilv ?
18:05 Sgeo: "Until your writings are filtered through an academic publication process, I can?t tell whether it?s worth my time to try to understand them. Regretfully, your repeated posts saying the same thing have grown so numerous that I feel it necessary to have my newsreader to ignore all posts from you."
18:10 neilv: that's very old
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18:11 neilv: a long time ago, there was usenet, and there were usenet personalities
18:12 neilv: one was a guy who would post everywhere some not-very-coherent new-age-sounding theory about artificial intelligence
18:13 neilv: hm. i didn't expect to be quoted on the web years later. i thought that died on usenet a long time ago
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18:16 RacketCommitBot: racket/master 4137eb9 Vincent St-Amour: Make let: annotations optional.
18:16 RacketCommitBot: racket/master 678451f Vincent St-Amour: Fix tests.
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18:18 neilv: i think i might've emailed him privately (or maybe just one newsgroup). and he quoted me and cross-posted to a bunch of newsgroups. 16 years ago, apparently
18:20 neilv: it's hard to explain usenet personalities to kids these days. facebook and twitter and such have changed how we'd perceive such things
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18:37 neilv: i actually encouraged him to submit it for publication, thinking that might be constructive, one way or another.  turned out he's already been rejected by giants in the field before he commenced saturation bombing of usenet. :) https://groups.google.com/forum/?fromgroups#!msg/soc.history.science/zK1zilHUxI8/LuBXwlLdv44J
18:37 rudybot: http://tinyurl.com/amkwtms
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18:41 Sgeo: http://www.nothingisreal.com/mentifex_faq.html was what I was reading
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18:57 Sgeo: It would be neat if #reader could do syntax coloring
19:04 neilv: sgeo: one little thing i thought would be useful is if macro transformers could also define syntax coloring info for drracket.  so, for example, the transformer for "cond" could also tell drracket that the "else" and the 2 "=>" in a particular use should be colored as keywords rather than as variables
19:06 (quit) bitonic: Ping timeout: 265 seconds
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19:09 neilv: rackout live hard disk image actually playing a dvd (on an old pentium 4 box i found on the curb): http://postimage.org/image/pct9d3znr/
19:10 (quit) jeapostrophe: Ping timeout: 255 seconds
19:11 neilv: i need to focus my attention on making money, so i'm probably going to release the source code as it is right now, and then come back to it later. unreleased code bit-rots faster than released code
19:13 Sgeo: rackout?
19:13 mye: neilv: is it something i can install as an application also? like xbmc?
19:14 neilv: rackout is a racket app. rackout live is a bootable firmware image for x86 pcs that includes the rackout app
19:14 neilv: the source will include the program that generates the rackout live image
19:16 mye: neilv: ah that's cool, I'll have to try it! (but I too have to start making moneys soon :-)
19:16 neilv: all it does right now is play dvds. when i get a chance, i'll finish the music/video  library support
19:17 neilv: you control it from your smartphone/tablet/laptop
19:17 mye: I have a little plug computer (ARM), it has HDMI output
19:17 neilv: i wanted it to be a small showcase of doing kinda mobile apps with racket,a and kinda (very fat) embedded systems
19:18 mye: any chance it would run on this?
19:18 neilv: if you can get racket and a gnu/linux on the plug computer, probably
19:19 neilv: your arm needs to be fast enough to handle dvd decoding (probably can, if it's 1ghz), and your video handling upscaling to 1080p or whatever you have
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19:21 neilv: people are saying the raspberry pi doesn't have quite enough horsepower to do 1080p, plus the pi is strangely closed hardware in some respects, so i decided to start with x86 junk pcs that people have laying around
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19:23 mye: It should be fast enough and has 1GB ram. I haven't really used it yet, though this might be a good enticement. Also interested in the mobile app thing as I'm trying to make an app for my racket service too
19:23 neilv: this blog post has more info, if anyone cares. http://www.neilvandyke.org/weblog/2012/10/#2012-10-24
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20:06 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/jrCIWw
20:06 RacketCommitBot: racket/master 3c5135f Matthew Flatt: `expt' repair, again...
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20:40 Sgeo: Let me get this straight.
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20:40 Sgeo: DrRacket saves modules in a bizarre format?
20:40 Sgeo: "GRacket editor format"?
20:40 Sgeo: o.O
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20:44 jonrafkind: its called WXME, its useful for saving images inline and stuff
20:46 Sgeo: Will DrRacket save files that don't need that stuff as text?
20:46 Sgeo: Or as WXME stuff?
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20:49 Sgeo: :( at all the assumptions that this presentation is making
20:50 Sgeo: Apparently everyone there knew syntax-rules and about the Scratch language
20:53 jonrafkind: if you open a non-wxme file in drracket it will save it as plain text
20:53 jonrafkind: also I think theres a 'save as text' option or something
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20:55 RacketCommitBot: [racket] plt pushed 2 new commits to master: http://git.io/0i20eg
20:55 RacketCommitBot: racket/master 5981535 Neil Toronto: Made Gaussian elimination faster (half the scaled additions) and more...
20:55 RacketCommitBot: racket/master e5eb975 Neil Toronto: Initial `math/matrix' documentation, and some changes...
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21:07 Sgeo: I'd like to be able to see the slides of this presentation
21:07 Sgeo: :(
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21:13 asumu: Sgeo: Matthew's ACM queue article may be better then.
21:13 asumu: http://queue.acm.org/detail.cfm?id=2068896
21:13 Sgeo: Cool
21:13 Sgeo: I do prefer reading to watching videos actually
21:13 asumu too
21:14 asumu: I'm not too fond of the recent trend of live coding or video demos.
21:14 asumu: Though for talks and keynotes, not much can be done.
21:17 Sgeo: I'd enjoy a language that makes live coding easy
21:17 Sgeo: But have previously been told that Scheme is a more ... static-y language than, say, CL
21:19 neilv: for most practical purposes, racket is as dynamic as cl
21:19 neilv: when it's not as dynamic, there's usually a good reason
21:20 greghendershott: The top-level is not always hopeless.
21:21 neilv: and you are not paul graham, trying to live-code on production servers, thereby prompting yahoo to throw out all the lisp code in disgust :)
21:22 Sgeo: I like the thought of running a program and changing it while it runs to help me develop it
21:22 Sgeo: Especially since one thing I'd like to do is make a "bot" for a virtual world. Being able to change the bot while it's running would be nice
21:22 Sgeo: I guess Geiser is suited for that while DrRacket is not?
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21:28 dyoo: Sgeo: source for mflatt's scratchy is https://github.com/mflatt/scratchy
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21:39 dyoo: Sgeo: where mflatt went through progressive versions of the scratchy language in the "tutorial" branch in https://github.com/mflatt/scratchy/tree/tutorial
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21:56 asumu: Sgeo: re: live coding, fluxus is written in Racket
21:56 asumu: http://www.pawfal.org/fluxus/
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23:44 Sgeo: Trying to learn about require and provide
23:44 Sgeo: What am I doing wrong here
23:45 jonrafkind: is your computer on?
23:45 Sgeo: https://www.refheap.com/paste/8023
23:45 jonrafkind: you have to call those functions from a macro, i.e phase 1 or higher
23:47 Sgeo: https://www.refheap.com/paste/8024
23:48 jonrafkind: good work
23:49 Sgeo: Why didn't it return anything?
23:49 jonrafkind: values in phase 0 are printed by default by the default module begin
23:49 jonrafkind: values in phase 1 are not
23:49 jonrafkind: so just do (printf "a\n" (expand-import ...))
23:50 Sgeo: Failed because of the multiple values thing
23:50 jonrafkind: well i guess it returns 2 values so you should do (call-with-values (lambda () (expand-import ...)) (lambda (imports source) (printf ...))
23:52 Sgeo: Used let-values
23:52 Sgeo: Only problem now is that it prints a lot lol
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