00:11 waltermai: I'm getting a "begin (possibly implicit): no expression after a sequence of internal definitions" error and can't figure why.
00:11 waltermai waahs.
00:12 waltermai: the definition definitely has an expression at the end after an internal definition.
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00:16 waltermai: yay! put the internal definition outside the original definition, and voila! it worked!
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01:57 (part) nicktick: "Reality is that which, when you stop believing in it, doesn't go away"
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02:00 waltermai: in (cond (= (- (tonic clef tonic-class) (- 12 (car interval-set))) (car clef)) ... why is my program simply returning (car clef) instead of evaluating (= ...) as true or false?
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02:01 waltermai: or the value of (car clef), rather
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02:17 waltermai: I'm figuring it out. DrRacket's debug features are phenomenal.
02:17 waltermai: ...if only I could build it on my new lemote!
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11:56 tewk: jeapostrophe: what was the lightweight object system / generic functions thing that eli wrote.  I want to do some OOP but scheme/class seems a little heavy weight for what I'm doing
11:56 jeapostrophe: unstable/generics
11:56 tewk: jeapostrophe: you had a work queue impl somewhere too right.
11:57 jeapostrophe: http://planet.plt-scheme.org/display.ss?package=job-queue.plt&owner=jaymccarthy
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12:36 eli: jonrafkind: http://www.youtube.com/watch?v=04U7Z7KuWVU
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12:42 jonrafkind: the music cuts out at 4:30 or so
12:42 jonrafkind: is there something else interesting about this?
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12:46 eli: jonrafkind: Start playing at 3:00, and listen carefuly to the words at 3:07-3:09
12:47 jonrafkind: ok he says something vaguely like "racket" and "scheme"
12:48 eli: In two consecutive sentences.
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12:48 jonrafkind: i don't speak jive
12:48 eli: Me neither.  Google does.
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14:58 askhader: If I want to issue a cookie to a client do I make use of cookie->header  /
14:59 jeapostrophe: yup
14:59 jeapostrophe: i like to use redirect-to and the #:headers keyword arg
14:59 jeapostrophe: but you could put it in a normal response/full
15:00 askhader: Thanks
15:24 askhader: jeapostrophe: Can I use a page-rendering function instead of a URI in redirect-to? I tried specifying a URI to be picked up by my main dispatcher, but it doesn't seem to work that way.
15:25 jeapostrophe: you may not specify a page rendering function
15:25 jeapostrophe: here are a few tricks though
15:26 jeapostrophe: if you are using dispatch-rules and your rendering function has a url, then you can use second value from dispatch-rules to get the url
15:26 askhader: Hmm interesting
15:26 askhader: I am using dispatch-rules
15:27 jeapostrophe: so (redirect-to (top-url my-fun arg1 arg2) #:headers ...)
15:27 askhader: When you say it has a url, you mean an entry dispatch-rules, yes?
15:27 jeapostrophe: ya
15:27 askhader: Okay cool, I will try this.
15:27 jeapostrophe: another thing is to use this function:
15:27 askhader: mhm?
15:28 jeapostrophe: (define (redirect-to-fun fun #:headers [hs empty]) (fun (send/suspend (lambda (k-url) (redirect-to k-url #:headers hs)))))
15:28 jeapostrophe: that will call the fun after doing a redirect that sends the headers
15:28 askhader: interesttttting
15:28 jeapostrophe: that's basically redirect/get (a core function) with a #:headers argument
15:28 askhader: Thank you sir
15:29 askhader: I see.
15:29 jeapostrophe: if you submit a bug report requesting that I add #:headers to r/g then i will remember to do it next time i am at my dev machine
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15:37 askhader: jeapostrophe: In your example of (redirec-to (top-url my fun arg1 arg2)<---- isn't that meant to be a URI?
15:38 jeapostrophe: top-url (if it is the 2nd result from dispatch-rules) returns a url
15:40 askhader: Is top-url a procedure?
15:41 jeapostrophe: look at this page: http://docs.racket-lang.org/web-server/dispatch.html
15:41 jeapostrophe: 'blog-url' is the value, i'm calling 'top-url'
15:41 jeapostrophe: (because that's what i often name it, such as in the m8b app i linked before)
15:42 jeapostrophe: i must go now though, so if you have more qs you'll have to wait about 1.5 hrs
15:42 jeapostrophe: ggpo
15:42 askhader: Thank you for your help =]
15:42 askhader: Take care.
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16:03 jonrafkind: shoudl 'raco exe' ever be used to give someone else a program?
16:03 jonrafkind: seems like 'raco distribute' is the proper choice
16:05 jonrafkind: oh you have to pass the exe's to distribute
16:48 chandler: The Arch Linux packagers updated the racket package to fix the error when starting mzscheme, in case anyone's interested.
17:09 eli: chandler: Which error?
17:10 jonrafkind: they ran strip on the racket executables
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17:24 chandler: eli: Starting `mzscheme' resulted in "read failed to read all 23 bytes from file /usr/bin/mzscheme"
17:28 askhader: jeapostrophe: Hello there. I've used the (blog-url) you mentioned but there is a bit of a snag. if I do   (display (blog-url myfun)) I get the correct URI, and the redirect-to is currently taking me to /that/ uri but my dispatch-rules doesn't seem to be picking up on it.
17:30 jay-mccarthy: what url is your dispatcher getting?
17:30 lisppaste: askhader pasted "dispatch-rules" at http://paste.lisp.org/display/111864
17:31 jay-mccarthy: where are you using cydom-dispatch?
17:31 askhader: in redirect-to
17:32 askhader: Oh sorry
17:32 askhader: Essentially the same file. The second have is in an 'include'
17:32 jay-mccarthy: can you paste it?
17:33 askhader: Sure.
17:34 lisppaste: askhader pasted "redirect error" at http://paste.lisp.org/display/111865
17:35 jay-mccarthy: 1. consider not using include
17:36 jay-mccarthy: 2. put a (printf "~S\n" (url->string (request-uri request))) in start and (require net/url) somewhere
17:36 jay-mccarthy: it may be as simple as extending your regexp
17:37 askhader: Gah
17:37 askhader: I think that's it
17:37 askhader: I forget to do that
17:38 askhader: Hurrah
17:39 askhader: Thanks
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18:24 askhader: So I have the redirect working with the header line in place, but for some reason the request is missing the cookies.
18:24 jay-mccarthy: which request?
18:32 askhader: Sorry didn't see your response.
18:34 askhader: the redirect to render-editor
18:35 askhader: does the dispatcher not retain the headers of the request?
18:36 jay-mccarthy: which request is missing headers?
18:37 askhader: http://paste.lisp.org/+2EBG
18:38 jay-mccarthy: what is the value of cl-cookie?
18:38 askhader: empty
18:38 askhader: a.k.a ()
18:39 jay-mccarthy: does your browser show the presence of the cookie?
18:39 askhader: How can I check?
18:41 askhader: Hmm, strangely enough in chrome, no error is produced. Instead it simly falls back to render-editor-auth
18:41 jay-mccarthy: in safari, if i go to preferences > security > show cookies
18:44 askhader: No there doesn't appear to be a cookie
18:45 jay-mccarthy: can you capture the network traffic to see if it gets set? maybe your browser will even show you the response when you tried to set the cookie (safari does)
18:45 askhader: Hm.
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