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09:30 bremner: Is it possible to configure racket to install the architecture indep parts of collects under /usr/share?
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09:57 rpr`: you can set your own (multiple) collection roots (classpath like).  So you could establish a collection under /usr/share.
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10:10 bremner: rpr`: I'm talking about splitting out the /compiled parts for FHS compliance; I don't know if racket can copy with collections stored in two directories.
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10:51 rpr`: eli would know that one when he comes back in.
10:51 bremner: sure, no crisis :)
10:52 bremner: poking about at the documentation, I think the answer is probably no, at least not without doing some symlinking which doesn't seem worthwhile to me.
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18:46 shkk: Hi All, In exercise 2.4.2, I did not understand why the output is 10. I mean obviously its printing the numeral 10 and does not take x into account. But why does it not give an error ?
19:03 jonrafkind: the output from which expression is 10
19:03 jonrafkind: (g x) ?
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19:20 shkk: Yes
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19:21 Foras: Hi
19:21 Foras: What is the best tutorial for someone new to programming?
19:23 shkk: @Foras: You would probably get only one answer: HtDP  :)
19:23 shkk: And it is actually a very good tut ...
19:23 shkk: Not sure if the BEST
19:24 Foras: HtDP?
19:24 Foras: How to Design Porgrams
19:24 Foras: I used it
19:25 Foras: But found that it wasnt very good for beginners
19:25 Foras: It did a lot of 'skipping'
19:25 shkk: Oohhh is it !!! I could not find any other better beginner tut for Scheme
19:26 shkk: How do u know it did a lot of 'skipping' ? In what reference did you say
19:27 Foras: Like it did a lot of 'defining' but didnt explain what it was
19:27 Foras: It went from basic operations to definitions and stuff
19:27 Foras: Not very helpful without any definitions for what things are
19:27 Foras: No pun intended
19:30 shkk: Hmmm ... there are many knowledgeable people out here for sure ..
19:30 Foras: I did a google search and didnt find any other Racket tutorials, so I figured you guys could help
19:30 Foras: Are these other guys just idling?
19:32 shkk: Don't know that ... I always get replies like after 15-20 mins or so
19:32 jonrafkind: shkk, are you running in the beginning student language?
19:33 shkk: jonrafkind, didnt get you... I am not using any teachpack. Running it in DrScheme .
19:33 jonrafkind: what language do you have it set at
19:33 shkk: R5RS
19:33 jonrafkind: thats why you dont get an error
19:34 jonrafkind: its technically correct scheme code
19:34 jonrafkind: to get the error you have to use the beginning student language
19:34 jonrafkind: goto 'choose language' then 'teaching languages' -> 'beginning student'
19:34 shkk: okiie. But my question is .. how does legacy lang interpret it ? I mean why does it print 10 in the 1st place
19:35 jonrafkind: because the function evaluates to 10
19:35 shkk: How ?? The body is + x 10
19:35 jonrafkind: you can put multiple things in the body
19:35 jonrafkind: (begin 1 2 3 4 5)
19:36 Foras: Hi jornafkind
19:36 jonrafkind: hi fosar
19:36 Foras: Could you recommend a beginner programmer racket tutorial?
19:36 shkk: You mean ... + x and 10 are treated separately
19:36 jonrafkind: shkk, yes
19:36 jonrafkind: Foras, htdp
19:36 Foras: (besides HtDP)
19:36 shkk: Oohhh
19:36 Foras: :o
19:36 jonrafkind: Foras, http://docs.racket-lang.org/guide/index.html
19:37 shkk: jonrafkind, Is there no other resource for beginners other than HtDP ?
19:37 Foras: Nice
19:38 jonrafkind: not really, theres also sicp but its more difficult than htdp
19:39 shkk: jonrafkind, thank you
19:40 Foras: I found HtDP to be too directed to programmers who havent used scheme
19:40 Foras: other than people who have never programmed, such as myself
19:43 (quit) shkk: Quit: Page closed
19:43 jonrafkind: Foras, what do you find difficult about htdp?
19:44 Foras: It went over basic operations and expressions
19:44 Foras: then it just jumped into definitions and stuff
19:44 Foras: It didnt explain what it was doing
19:44 Foras: Too much show, not enough tell imo
19:45 jonrafkind: what who was doing wrong?
19:47 Foras: What?
19:48 jonrafkind: sorry nevermind
19:48 jonrafkind: you can try this http://mitpress.mit.edu/sicp/full-text/book/book.html
19:57 Foras: is this the SCIP i hear about?
19:57 jonrafkind: yea
20:00 Foras: Okay
20:00 Foras: Thanks
20:00 Foras: Later
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20:16 shkk: @jonrafkind, Can you please tell me why the cond expression in 4.3.1 is legal
20:16 shkk: ?
20:16 shkk: (cond [(< n 10) 20]       [* 10 n]       [else 555]) ;
20:16 shkk: How is [* 10 n] treated here ?
20:17 jonrafkind: * is a predicate, the body is 10 n
20:17 jonrafkind: hm, actually cond evaulates that to 10 * n somehow
20:18 shkk: Are these documented anywhere? I mean, for a beginner like me, how can we derive such answers
20:19 jonrafkind: http://docs.racket-lang.org/reference/if.html?q=cond#(form._((lib._racket/private/letstx-scheme..rkt)._cond))
20:19 shkk: Great, thanks !
20:20 jonrafkind: oh [* 10 n] is just an expression
20:20 jonrafkind: a regular cond clause is [predicate expression]
20:20 jonrafkind: but if oyu just have [expression] then it evaluates it and returns it
20:34 shkk: Okie fine. So there wont be an error
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22:22 rpr`: Can you mix and match racket modules with R6RS libraries?
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23:12 jonrafkind: rpno
23:12 jonrafkind: oops
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