ChanServ changed the topic of #crystal-lang to: The Crystal programming language | http://crystal-lang.org | Crystal 0.22.0 | Fund Crystal's development: http://is.gd/X7PRtI | Paste > 3 lines of text to https://gist.github.com | GH: https://github.com/crystal-lang/crystal | Docs: http://crystal-lang.org/docs/ | API: http://crystal-lang.org/api/ | Logs: http://irclog.whitequark.org/crystal-lang
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<crystal-gh> [crystal] mverzilli pushed 1 new commit to master: https://git.io/vHxng
<crystal-gh> crystal/master 46e9d81 TSUYUSATO Kitsune: MatchData: implement specialized pretty_print
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<travis-ci> crystal-lang/crystal#46e9d81 (master - MatchData: implement specialized pretty_print): The build passed. https://travis-ci.org/crystal-lang/crystal/builds/243640497
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<hello77> Hello
<hightower2> hello hello
<hello77> how does key events in crystal work?
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<oprypin> hello77, in what context?
<hello77> its okay. I already know how it works
<crystal-gh> [crystal] MakeNowJust opened pull request #4579: Semantic: report block result mismatch on method instantiate (master...fix/crystal/fix-4543) https://git.io/vHxE5
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<oprypin> im still curious what this could mean
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<hello77> someone know the ID of the arrow up key?
<hello77> the ID for newline is "\n", the ID for tab is "\t" but what is the ID for arrow up key?
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<tzekid> "\e[A" methinks ...
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<Papierkorb> hello77: Open up your shell, Hit ^V, then hit the key you want to look up. It'll be printed verbatim.
<Papierkorb> hello77: Second way of doing it, and also nicer, is using the `showkey --ascii` command, it should be installed on most linux machines
<Papierkorb> (that have X installed)
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<hello77> Papierkorb, are you german?
<Papierkorb> Ja
<hello77> ich auch
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<hello77> how can I test if enter was pressed?
<hello77> im using "char = STDIN.raw &.read_char" to test what char was pressed
<Papierkorb> What are you trying to build? A game?
<hello77> but "if char=='\n'" is not working
<hello77> i just want to know how this works
<Papierkorb> return doesn't send \n, it sends \r
<hello77> ohh..
<hello77> but \n works in ruby
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<hello77> how can I get the length of an string? string.length or string.size isnt working
<havenwood> >> "hello77".size
<DeBot> havenwood: # => 7 - https://carc.in/#/r/276l
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<crystal-gh> [crystal] akzhan opened pull request #4581: Float64.hash is based on the reduction of float64 modulo the prime (master...Float64.hash-inspired-by-_Py_HashDouble) https://git.io/vHpCt
<hello77> Im getting an error that i have overloaded an array. How can I fix this?
<oprypin> hello77, please post the exact error.
<hello77> already fixed it :)
<oprypin> this annoys me greatly.
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<hello77> why?
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<jokke> hmm
<jokke> i just realized that WebSocket doesn't support receiving binary straams
<jokke> only sending
<jokke> or am i missing something
<RX14> on_binary?
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<jokke> oh
<jokke> wow
<jokke> had the wrong version of the api docs open...
<jokke> m(
<jokke> thanks :)
<Papierkorb> jokke: Add a search engine to `https://crystal-lang.org/api/latest/%s.html` (Firefox, should work in others too), and you'll never have to update the url again to lookup a class quickly
<RX14> i just keep a shortcut to /api/
<oprypin> API docs SEO must be changed
<RX14> and now we just need a quick fuzzy search
<RX14> like t on github
<RX14> which I use the hell out of
<oprypin> google provides it already
<oprypin> but old versions must not be present in google
<RX14> google isn't quick
<RX14> it's quite difficult to use google as a search engine
<RX14> and it's not bound to a keyboard shortcut
<oprypin> huh
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<RX14> fortunes increased performance by 876x
<RX14> somehow
<RX14> kemal isn't doing too good though
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