samth changed the topic of #racket to: Racket v7.7 has been released: https://blog.racket-lang.org/2020/05/racket-v7-7.html -- Racket -- https://racket-lang.org -- https://pkgs.racket-lang.org -- Paste at http://pasterack.org
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<samth> aaaaaa: I don't know of one
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<evdubs> aaaaaa, https://docs.racket-lang.org/reference/pairs.html?q=partition#%28def._%28%28lib._racket%2Flist..rkt%29._group-by%29%29 ?
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<samth> evdubs: nice, although i think that is a little different than the wolfram one, which has the property that (apply append (SplitBy f l)) == l
* evdubs shrugs
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<aaaaaa> Hi all again
<aaaaaa> how do you serialize data to file/
<aaaaaa> ?
<aaaaaa> I just want (1.2) to be stored like the "(1.2)" string
<aaaaaa> and read it back then
<m455> hmm i've been wondering this too actually!
* aaaaaa saw this in some lisp/scheme textbooks, but forgot
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<m455> aaaaaa: wait a sec i found code where i serialized stuff
<m455> aaaaaa: you want a gist? :D
<m455> i'm a newbie programmer so some stuff might be off, but it may help you on your way :D
<aaaaaa> thanks, I've found already read and write
<m455> there you go anyway :P
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<m455> aaaaaa: i just realized when you first posted that, i thought i was in #chicken not #racket lmao
<m455> i don't know how to serialize in chicken xD
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<aaaaaa> m455: n/p
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<dzoe> aaaaaa: If that is really just a list containing a single number 1.2, it is really easy - > (with-input-from-string (with-output-to-string (lambda () (write '(1.2)))) (lambda () (read)))
<aaaaaa> dzoe: thanks for the hint!
<dzoe> And yes, with reader extensions, you can do a lot more.
<aaaaaa> dzoe: I just want to start at basics, then to proceed to more advanced things
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<aaaaaa> should I use let anyway, over let*? Why not just the second?
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<evdubs> let can make it clear that you don't intend to use the bound ids in the evaluation of later-defined ids
<evdubs> let also has another form that includes a procedure which let* doesn't, but i don't personally use that form
<aaaaaa> evdubs: OK
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