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01:12 neilv: sometimes you're the realitygrill; other times, you're the realityroadkill?
01:12 realitygrill: i'm never the roadkill
01:12 realitygrill: would be a good alternate name..
01:15 neilv: anyone have a url for this?  ... when plt switched to git, eli or someone did a git intro or cheatsheet specific to plt's git setup
01:17 offby1 scratches chin
01:17 offby1: might be in my gmail archive
01:17 offby1: neilv: http://gitref.org/
01:17 neilv: the plt lists are archived in several places. i just wondered if anyone had it offhand, because my first quick search didn't find it
01:18 offby1: neilv: or maybe http://tmp.barzilay.org/git.txt
01:18 offby1: one of those gotta be it
01:18 neilv: yes, i think eli's is one i was looking for. thanks
01:19 offby1: Charlie's good tonight, inn't he?  *urp*
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01:38 neilv: well, this intro is right about using ssh config file for things like user name, port, and identity for the repository host, but having an alias for the host is not a necessary part of that
01:40 offby1: well ...
01:41 offby1: depends how you define "alias".
01:41 offby1: The stanza in the config has to have a "Host" entry ...
01:41 offby1: and what comes after that is the alias, even if it's just the FQDN.
01:41 offby1: at least that's how I think of it
01:42 neilv: the aliasing is in the effect of putting one name there and then specifying a different fqdn
01:43 offby1: sure
01:43 neilv: haha, eli also picked out the same git intro i did as especially noteworthy
01:43 offby1: like I have "Host work" ... "Hostname my-work-box.my-desk.work.com"
01:43 offby1: http://eagain.net/articles/git-for-computer-scientists ?
01:44 neilv: http://www.neilvandyke.org/weblog/2011/04/#2011-04-23
01:44 neilv: yes
01:44 offby1: I actually have that URL bound to an emacs dabbrev, since I cite it so often in #git
01:44 offby1: hold onto your hat!
01:44 offby1: general-purpose git advice: 1) Read "Git For Computer Scientists" (http://eagain.net/articles/git-for-computer-scientists/); 2) Run "gitk --all"; 3) Learn about "git reflog"
01:44 offby1: there it was ^^
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02:59 Demosthenes: is there an official map/rest, or shall i just write one?
03:02 offby1: well, I've never heard of such a thing.
03:02 offby1: wozzit do?
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08:11 bremner_: can anyone explain to me why there is src/configure but not src/configure.ac ?
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16:03 Demosthenes: offby1: i think common lisp had one
16:03 Demosthenes: where given a list, it would map through it and pass the (rest) of the list to the function each time
16:03 Demosthenes: so you iterated through a smaller and smaller dataset
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16:17 Demosthenes: hrm. i'm analyzing a bunch of strings, but sometimes i need to "peek" at the next line (looking ahead).
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16:18 Demosthenes: can't map or do for/each and access the next line :P
16:23 Demosthenes: file->lines is right out
16:23 jonrafkind: thou shalt not count to 4
16:23 offby1: Demosthenes: ha.  I think I wrote that at one point!
16:23 offby1: lemme see if I can find it.
16:25 offby1: Demosthenes: well, I wrote a "sequence" thing that I called "in-cdrs" which iterates through all the cdrs of a list.
16:25 offby1: You could build your map/rest on top of that, I think.
16:25 offby1: Demosthenes: http://ix.io/1Eb
16:25 Demosthenes: (define (map/rest p l)
16:25 Demosthenes: (unless (empty? l)
16:25 Demosthenes: (p l)
16:25 Demosthenes: (map/rest p (rest l))))
16:25 Demosthenes: *shrug*
16:26 offby1: but that's just "map", except you pass the whole list instead of its car.
16:27 Demosthenes: yep, and the only reason i need it is to see ahead :P
16:27 Demosthenes: i'm arguing with myself over reading a file to a string and manipulating position on the string port, or hell, just the file port, to accomplsih this
16:27 Demosthenes: otoh i like file->lines and map ;]
16:28 Demosthenes: i guess i could do a for loop, looping on an index, and use ref and ref + 1, but that sounds cpu expensive
16:33 Demosthenes: http://www.nongnu.org/txr/ is awesome...
16:35 jonrafkind: taxer?
16:36 jonrafkind: my 'stupid naming convention' gasket is going to blow one of these days..
16:37 offby1: maybe you should have it serviced.
16:39 Demosthenes: txr is a great idea.
16:39 Demosthenes: too bad its not a library, i'd eat it up in perl or racket in a heartbeat
16:40 Demosthenes: fyi, racket needs named capture :P
16:40 jonrafkind: whats that
16:42 Demosthenes: capturing via regexp, but instead of returning by position you can name the capture group
16:42 Demosthenes: perl returns a hash from a named capture
16:42 Demosthenes: http://perldoc.perl.org/perlre.html#Regular-Expressions
16:42 Demosthenes: search forward to named capture
16:49 offby1: yeah, python does the same.
16:49 offby1: you sure we don't have it?
16:51 Demosthenes: pretty sure
16:51 Demosthenes: i'd be using it all over
16:52 Demosthenes: if you find it, le tme know! =]
16:55 Demosthenes: i'm extracting text via regexp captures, and having to put the results in a hash to manipulate, and complex ones being position dependent are a PITA
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17:01 offby1: you might use "match" instead
17:02 offby1: that does all kinds of fancy destructuring and binding
17:10 Demosthenes: match is interesting, but doesn't do named capture ;]
17:14 jonrafkind: of course it does
17:14 jonrafkind: (and ..whatever.. x) captures ..whatever.. as x
17:15 jonrafkind: on the other hand, that wasn't obvious to me until sam told me about it
17:15 DT``: Demosthenes, I have a mapcdr in my collection of list functions.
17:15 DT``: http://paste.lisp.org/display/121570
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17:24 Demosthenes: jonrafkind: *blink* thats not the same as a regexp named capture
17:25 jonrafkind: how is it different
17:25 Demosthenes: i interpret using match that like let-values...
17:25 jonrafkind: what
17:25 offby1: DT``: gaah, that uses "do" :)
17:26 DT``: offby1, but I love do!
17:26 Demosthenes: jonrafkind: named capture is completely encapsulated in the regexp
17:26 Demosthenes: so, lets see...
17:27 offby1: DT``: you gotta do what you gotta do.
17:28 Demosthenes: (regexp-match #px"(?<this>ab) (?<that>cd)" "ab cd") -> '("ab cd" #hasheq((this . "ab") (that . "cd"))
17:28 Demosthenes: now i do that as:
17:29 jonrafkind: i dont see hwo thats semantically different from using `and' inside a match
17:29 Demosthenes: (let-values ([this that]) (apply values (rest (regexp-match #px"(ab) (cd)" "ab cd"))))
17:30 Demosthenes: though that's not a hash :P
17:30 Demosthenes: and in a match... but match is matching data types, not extracting from text like a regexp
17:31 jonrafkind: right, i was just saying match does do named capture
17:31 Demosthenes: *blink* yes, in that case, i agree ;]
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17:31 Demosthenes: just not regexp named capture ;]
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17:33 Demosthenes: http://perltraining.com.au/tips/2009-04-30.html
17:33 Demosthenes: tahts neat ;]
17:35 DT``: am I the only who likes regular regular expressions?
17:36 Demosthenes: its using them for data extraction thats the issue
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18:17 rekahsoft: hi all
18:18 rekahsoft: just wondering whats the best way to enforce types of struct parameters in the (struct ..) form..i was used to the (now depreciated) (define-struct ...) (define-struct/contract ...) forms
18:23 offby1: yeah
18:24 offby1: given that you've asked a couple of times and gotten no answer, it seems like you'd be better off asking the mailing list.
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22:26 EM03: anyone here ever use the web framework part of racket?
22:33 askhader: EM03: Do you mean this stuff? http://docs.racket-lang.org/continue/index.html
22:33 EM03: askhader: yes ....it uses continuations correct?
22:34 askhader: I believe some functions require continuation style.
22:34 askhader: But whether these functions have no analogs in non-continuation style programming, I cannot say.
22:35 EM03: I mean if your site is using continuations its my take its very hard to use it for something that should act like a static page
22:35 EM03: like be in google etc
22:35 askhader: Perhaps?
22:37 EM03: ? im asking you :)
22:37 askhader: hard is arbitrary.
22:37 askhader: It's easy to write error-prone code, for example.
22:40 EM03: anyone else messed with continue at all?
22:40 askhader: Perhaps if you ask a specific question...
22:40 EM03: just is it continuation based
22:40 EM03: or can I still have a more rest like url dispatcher?
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