#crystal-lang on 2016-06-18 — irc logs at freenode.irclog.whitequark.org

2016-06-17 09:52 jhass changed the topic of #crystal-lang to: The Crystal programming language | http://crystal-lang.org | Crystal 0.18.2 | Fund Crystals 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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07:45 <BlaXpirit> is there any quick but good hashing function that returns bytes or a number? would be annoying to use MD5.hex_digest only to convert it back to its initial form from a hex string

07:46 <jhass> http://crystal-lang.org/api/Digest/SHA1.html

07:46 <BlaXpirit> Crypto::MD5 and Digest::SHA1 ? ok then

07:46 <BlaXpirit> thanks

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07:53 <jhass> yeah we should move MD5

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10:01 <wim_> Hi, can anyone tell me how to install crystal on opensuse?

10:05 <BlaXpirit> wim_, try http://crystal-lang.org/docs/installation/from_a_targz.html

10:09 <jhass> actually the rpm should work too, no?

10:10 <wim_> OK, so no repo defined for zypper. I'll do the tar.gz option

10:10 <wim_> thanks

10:10 <BlaXpirit> jhass, I don't think that packages for a fundamentally different system would work only because they use the same package format

10:11 <jhass> BlaXpirit: omninbus is pretty self contained and sidesteps distribution specifics afaik

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10:35 <wim_> OK got it to work. I just wasted some enjoyable minutes playing the 2048.cr demo

10:35 <wim_> I'm good. Thanks for your responses.

10:36 <BlaXpirit> wim_, this one is more enjoyable ;) https://github.com/BlaXpirit/crsfml-examples#readme

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10:38 <wim_> :-) I like the slither one

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11:07 <j2k> Hey guys, my shards are never satisfied, any ideas?

11:08 <j2k> If I do update or install it just seems to re-install them

11:08 <j2k> (the program works fine)

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12:34 <miketheman> is master builds broken? it appears so

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12:49 <BlaXpirit> miketheman, how do you define broken?

12:49 <BlaXpirit> maybe more likely you are not doing the right thing

12:50 <miketheman> BlaXpirit: a user rebased their branch and the PR triggered a new build, that appears to have something in the stdlib broken: https://travis-ci.org/crystal-lang/crystal/jobs/138568029

12:51 <miketheman> derp - StringIO was renamed to MemoryIO.

12:51 <BlaXpirit> miketheman, that user has incorrect code

12:51 <miketheman> BlaXpirit: can you weigh in on the PR and advise the user of the next step?

12:53 <BlaXpirit> why, just change to memoryio

12:53 <miketheman> it's not my code.

12:53 <miketheman> I'm trying to help out.

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12:55 <miketheman> nm, I'll write the comment.

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13:38 <crystal-gh> [crystal] jhass pushed 1 new commit to master: https://git.io/vo29s

13:38 <crystal-gh> crystal/master ecac3b3 Jonne Haß: Replace two more echo -n usages with printf...

13:56 <travis-ci> crystal-lang/crystal#ecac3b3 (master - Replace two more echo -n usages with printf): The build passed. https://travis-ci.org/crystal-lang/crystal/builds/138575913

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14:46 <crystal-gh> [crystal] asterite opened pull request #2870: Add `TypeNode` comparison macro methods (release/0.18...feature/type_node_comparisons) https://git.io/vo2Qb

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15:03 <crystal-gh> [crystal] asterite opened pull request #2871: OpenSSL::SSL::Context#set_cert_verify_callback: don't loose reference… (master...feature/fix_2869) https://git.io/vo27H

15:03 <crystal-gh> [crystal] asterite closed pull request #2871: OpenSSL::SSL::Context#set_cert_verify_callback: don't loose reference… (master...feature/fix_2869) https://git.io/vo27H

15:04 <crystal-gh> [crystal] asterite opened pull request #2872: OpenSSL::SSL::Context#set_cert_verify_callback: don't loose reference… (release/0.18...feature/fix_2869) https://git.io/vo27F

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17:16 <crystal-gh> [crystal] jhass pushed 1 new commit to master: https://git.io/vo2xK

17:16 <crystal-gh> crystal/master d4550f6 Jonne Haß: Merge branch 'release/0.18'

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17:35 <travis-ci> crystal-lang/crystal#d4550f6 (master - Merge branch 'release/0.18'): The build passed. https://travis-ci.org/crystal-lang/crystal/builds/138603141

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17:50 <travis-ci> crystal-lang/crystal#b94a0be (release/0.18 - Merge pull request #2872 from crystal-lang/feature/fix_2869): The build passed. https://travis-ci.org/crystal-lang/crystal/builds/138603179

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19:49 <BlaXpirit> wow, I think I did it

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19:50 <BlaXpirit> so I have a C++ library (yes, you guessed which one), I'm generating C bindings to it and Crystal lib bindings and Crystal object-oriented wrapper all at once

19:51 <jhass> :)

19:52 <BlaXpirit> parsing C++ with regular expressions, of course :S

19:52 <jhass> haha

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19:53 <jhass> I find the libclang approach more appealing tbh ;)

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19:55 <crystal-gh> [crystal] asterite opened pull request #2875: Spec: show time in human friendly way in `--profile` (release/0.18...feature/spec_human_time) https://git.io/voaJx

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21:01 <Davy_CC> lol

21:04 <j2k> Hey guysm I'm getting ld link errors when trying to build on ubuntu server 16.04 32bit

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21:06 <BlaXpirit> ok, wanna disclose the errors?

21:06 <j2k> "usr/bin/ld: cannot find -lz"

21:06 <j2k> "pkg-config: not found"

21:06 <j2k> sorry its a vnc connection

21:06 <jhass> j2k: please install pkg-config and zlib1-dev or whatever the package was called again

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21:09 <j2k> OK

21:13 <j2k> jhass: that obviously solved the pkg-config errors but what about the other ones?

21:13 <j2k> https://i.imgur.com/xe1Ke1I.png

21:13 <j2k> thanks for helping btw

21:13 <jhass> z I already said should be zlib1-dev or similar

21:14 <jhass> ssl and crypto is libssl-dev

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21:15 <j2k> cheers jhass

21:20 <mose> j2k: did you check https://github.com/crystal-lang/crystal/wiki/All-required-libraries ?

21:21 <j2k> mose No I used the guide in the docs

21:21 <mose> zlib is a dependency of libssl afaict

21:21 <mose> that wiki page is well hidden hehe

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21:25 <mose> I feel it should belong to the doc

21:25 <j2k> Thanks for linking it

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22:27 <crystal-gh> [crystal] BlaXpirit opened pull request #2876: Fix the order of output in "no overload matches" error (master...no-overload-error) https://git.io/voaYG

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