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00:31 dsrguru: does racket have built-in support for partial function application?
00:32 dsrguru: something like (define (left-section proc larg) (lambda (rarg) (proc larg rarg)))
00:32 jonrafkind: yea, curry
00:32 jonrafkind: http://docs.racket-lang.org/reference/procedures.html?q=curry#(def._((lib._racket/function..rkt)._curry))
00:33 jonrafkind: its not built into the language like in haskell or ML though
00:33 dsrguru: k
00:33 dsrguru: I think of currying in haskell as just a way to express multiparameter functions as single parameter functions to make the type system work
00:34 dsrguru: but I guess currying really just is partial function application
00:34 dsrguru: thanks
00:35 jonrafkind: are you sure haskell's type system can only deal with single arity functions?
00:36 dsrguru: if memory serves
00:36 dsrguru: yes
00:36 dsrguru: f x y = x * y
00:36 jonrafkind: seems strange to me, but whatever
00:36 dsrguru: would be typed
00:36 dsrguru: as
00:36 dsrguru: f :: Integer -> Integer -> Integer
00:37 jonrafkind: right
00:37 dsrguru: which means
00:37 dsrguru: f :: (Integer -> Integer) -> Integer
00:37 dsrguru: a function
00:37 dsrguru: or sorry
00:37 dsrguru: f :: Integer -> (Integer -> Integer)
00:37 dsrguru: right associative
00:37 dsrguru: so f is a function
00:37 dsrguru: that takes an Integer
00:37 dsrguru: as its input
00:37 dsrguru: and its output is a function
00:37 dsrguru: which itself maps an Integer to an Integer
00:38 dsrguru: but the currying is done automatically so you could write f 3 4
00:38 dsrguru: to get 12
00:38 dsrguru: instead of (f 3) 4
00:39 dsrguru: does racket's curry function let you do something like:
00:39 dsrguru: (define (right-section (proc rarg) (lambda (larg) (proc larg rarg))))
00:40 dsrguru: oh curryr
00:40 dsrguru: RingTFM works well
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01:03 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/rk6J3Q
01:03 racket: [racket/master] cleaned up the generated code for -> and friends - Robby Findler
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01:26 gf3: hello all
01:27 gf3: I'm having an issue with include-template (from web-server/templates)
01:28 gf3: it seems to only be working for me if I pass it a string literal
01:28 gf3: if I pass it an expression, it barfs on me
01:29 gf3: the docs simply state that it requires a path: http://docs.racket-lang.org/web-server/templates.html#(part._.A.P.I_.Details)
01:30 jonrafkind: what sort of expression
01:31 gf3: jonrafkind: anything other than a string literal
01:32 jonrafkind: an expression that creates a string?
01:33 (quit) dnolen_: Quit: dnolen_
01:33 gf3: jonrafkind: yes
01:33 gf3: jonrafkind: screenshot: http://cloud.gf3.ca/8Sfv
01:34 jonrafkind: i guess it wants a module path
01:34 jonrafkind: so it has to be a string basically
01:35 gf3: hmm, that is unfortunate
01:35 jonrafkind: maybe that restriction shouldn't exist though.. can you submit a bug report about it?
01:36 gf3: sure thing, thanks for the help
01:38 gf3: jonrafkind: where do I submit the bug report?
01:38 jonrafkind: either through drracket or bugs.racket-lang.org
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01:39 gf3: ahh great, thanks
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01:53 gf3: jonrafkind: posted: http://bugs.racket-lang.org/query/?cmd=view&pr=12046
01:53 gf3: thanks!
01:53 jonrafkind: sure
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03:29 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/nQq7xc
03:29 racket: [racket/master] Standartize the vocabulary to "the function returns" and "set! mutates" - Guillaume Marceau
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03:36 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/raHoVN
03:36 racket: [racket/master] Roll back the "expr -> expression" change in the grammar documentation of the - Guillaume Marceau
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04:46 _p4bl0: http://shop.kernelconcepts.de/product_info.php?cPath=1_26&products_id=141&osCsid=
04:46 rudybot: http://tinyurl.com/692ge2o
04:46 _p4bl0: oups
04:46 _p4bl0: sorry
04:47 _p4bl0: wrong paste
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05:10 ohwow-: Hello, when I send 'rotate to DC, it rotates the whole image, is it possible to rotate the stuff which is drawn after rotation?
05:10 ohwow-: like in OpenGL glRotatef?
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09:10 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/p3tRep
09:10 racket: [racket/master] fix bug introduced in recent refactor - Robby Findler
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09:13 didi: I think there might be a correction to be made on "Continue: Web Applications in Racket".
09:14 didi: Just before the SQL section, it's told to use (build-path (current-directory) "the-blog-data.db") to set the path to the DB.
09:14 didi: But once inside `start', the current path is changed.
09:15 didi: Also, to a location that normal users (Linus here) don't have permissions.
09:15 didi: s/Linus/Linux
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11:31 danking: Isn't there a way to use syntax-rules or syntax-case patterns to discern between symbols and numbers?
11:34 samth: danking: if you want directly in the pattern language, you should use `syntax-parse'
11:34 samth: otherwise, this works: (syntax-case stx () [foo (number? (syntax-e #'foo)) ...] [_ ...])
11:35 stamourv: +1 to syntax-parse, it's awesome.
11:35 stamourv: I haven't used syntax-case since.
11:40 danking: samth: thanks
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12:25 racket: [racket] plt pushed 2 new commits to master: http://bit.ly/ojYQWc
12:25 racket: [racket/master] fixed bug in exception handling for drawing; Closes PR 12044 - Matthias Felleisen
12:25 racket: [racket/master] documented error reporting functions - Matthias Felleisen
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13:08 stamourv: rudybot: later tell didi Could you file a bug report for that DB location problem?
13:08 rudybot: minion: memo for didi: stamourv told me to tell you: Could you file a bug report for that DB location problem?
13:13 jonrafkind: stamourv, you know about all the 'TR missed opts' during raco setup, right?
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13:16 jonrafkind: stamourv, you know about all the 'TR missed opts' during raco setup, right?
13:17 samth: stamourv: rudybots later functionality doesn't work in #racket
13:17 stamourv: jonrafkind: If warnings are activated, TR spits out performance debugging info, that's by design.
13:17 stamourv: Is that a problem?
13:18 jonrafkind: ah I see, I forgot that I had warnings enabled
13:18 stamourv: samth: Oh, I see, minion's not in this channel
13:18 jonrafkind: it would be nice if it said '[warning]' or something so its obvious its from a logger..
13:18 samth: it's kind of a low-rent implementation by rudybot
13:19 stamourv: jonrafkind: Well, it does say that it's a message from TR's optimizer, and you explicitly turned logging on. What more do you want?
13:19 jonrafkind: its hard to differentiate between a warning and a forgotten printf
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13:20 stamourv: Sure, but you're turning on warnings, so it's normal to see more output than usual.
13:21 stamourv: I'm not sure I understand your point.
13:21 jonrafkind: ugh.. how do I know what messages are enabled by warnings and which are always there becuase of some printf?
13:21 stamourv: You turn off warnings?
13:22 jonrafkind: yes, thats one solution. an awful one, imo
13:22 stamourv: So what do you want me to do?
13:22 stamourv: And why do you need to distinguish between warnings and stray printfs?
13:22 samth: you set up a logger that sends warnings somewhere else?
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13:25 stamourv: didi: Could you file a bug report for that DB location problem?
13:26 didi: stamourv: Sure. Where do I report it?
13:27 samth: bugs.racket-lang.org
13:27 didi: Thanks.
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14:50 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/p36UvY
14:50 racket: [racket/master] adjusted expected error messages to accommodate Stephen's change - Matthias Felleisen
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15:06 racket: [racket] plt pushed 63 new commits to master: http://bit.ly/o9hbPz
15:06 racket: [racket/master] Added a button for the performance report tool when in a typed language. - Vincent St-Amour
15:06 racket: [racket/master] Relocate TR logging capture. - Vincent St-Amour
15:06 racket: [racket/master] Report optimizations and missed optimizations with the DrRacket tool. - Vincent St-Amour
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15:09 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/ppHU5h
15:09 racket: [racket/master] create hash codes for place shared objects - Kevin Tew
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16:04 rapacity: rudybot: (number? +nan.0)
16:04 rudybot: rapacity: your sandbox is ready
16:04 rudybot: rapacity: ; Value: #t
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16:39 danking: Suppose I want an ordering of symbols, can I do that directly, or must I convert to strings or something? I don't care what the order is, as long as its total over the symbols and that if (eq? x x) then (not (< x x))
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16:46 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/ndwCH1
16:46 racket: [racket/master] macro-stepper: disable taint display until correct - Ryan Culpepper
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19:36 eli: danking: (sort '(s y m b o l s) string<? #:key symbol->string #:cache-keys? #t)
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20:52 svk_: Is there a way to run applications embedding racket under valgrind, possibly ignoring the internal racket stuff? Running it normally it seems to quit on an invalid read almost immediately
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21:04 svk_: Oh, --vex-iropt-precise-memory-exns=yes helps quite a bit
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22:18 racket: [racket] plt pushed 6 new commits to master: http://bit.ly/oTvEoZ
22:18 racket: [racket/master] clarification - Matthew Flatt
22:18 racket: [racket/master] allow larger font sizes --- up to 1024 - Matthew Flatt
22:18 racket: [racket/master] fix docs to clarify that `#%expression' appears from local-expand - Matthew Flatt
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22:26 racket: [racket] plt pushed 3 new commits to master: http://bit.ly/pohJoz
22:26 racket: [racket/master] fix a bug in the arity checking for contracts - Robby Findler
22:26 racket: [racket/master] typo - Robby Findler
22:26 racket: [racket/master] made the htdp lang's executable creation code use the modules that - Robby Findler
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