#ruby on 2019-02-23 — irc logs at freenode.irclog.whitequark.org

2019-01-30 16:07 havenwood changed the topic of #ruby to: Rules & more: https://ruby-community.com | Ruby 2.6.1, 2.5.3, 2.4.5: https://www.ruby-lang.org | Paste 4+ lines of text to https://dpaste.de/ and select Ruby as the language | Rails questions? Ask in #RubyOnRails | Books: https://goo.gl/wpGhoQ | Logs: https://irclog.whitequark.org/ruby | Can't talk? Register/identify with Nickserv first!

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00:24 <al2o3-cr> &>> %w(C S L Q).map { |p| -[-1].pack('Q').send(:unpack1, p) >> 1 }

00:24 <rubydoc> # => [-128, -32768, -2147483648, -9223372036854775808] (https://carc.in/#/r/6c8r)

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00:31 <al2o3-cr> &>> %w(C S L Q).map { |p| [-1].pack('Q').send(:unpack1, p) >> 1 }

00:31 <rubydoc> # => [127, 32767, 2147483647, 9223372036854775807] (https://carc.in/#/r/6c8s)

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00:35 <al2o3-cr> &>> require 'rbconfig/sizeof'; RbConfig::LIMITS.values_at(*%w(CHAR_MIN SHRT_MIN INT_MIN LONG_MIN)) == %w(C S L Q).map { |p| -[-1].pack('Q').send(:unpack1, p) >> 1 }

00:35 <rubydoc> # => true (https://carc.in/#/r/6c8u)

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00:42 <hahuang65> hahuang6-:

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00:59 <al2o3-cr> &>> [Float::MAX].pack('D').unpack1('B*')

00:59 <rubydoc> # => "1111111111111111111111111111111111111111111111111110111101111111" (https://carc.in/#/r/6c8w)

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01:02 <al2o3-cr> &>> Integer::GMP_VERSION

01:02 <rubydoc> # => "GMP 6.1.2" (https://carc.in/#/r/6c8x)

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01:06 <al2o3-cr> numbers are amazing!

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01:44 <al2o3-cr> &>> require "fiddle/import"; extend Fiddle::Importer; RBasic = struct ["unsigned long flags", "unsigned long klass"]; ptr = Fiddle::Pointer[Class.__id__ << 1]; RBasic.new(ptr).flags ^= (1 << (12+0)); Class.class

01:44 <rubydoc> # => Module (https://carc.in/#/r/6c8y)

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02:01 <al2o3-cr> &>> require 'fiddle'; (Fiddle::Pointer["brexit sucks"] + 0x7).to_s

02:01 <rubydoc> # => "sucks" (https://carc.in/#/r/6c8z)

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08:52 <rockyh> hello again :)!

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08:55 <rockyh> I have some gems installed in $HOME/.gem/ruby/2.4 (and $HOME/.gem/ruby/2.4/bin included in $PATH). I would like to update the gems used in a git repository to their latest available version with `bundle update', but I would like bundle to use, for the updates, only the user home directory $HOME/.gem/ruby/2.4, not the system-wide /usr/local/lib/ruby/gems/2.4. How to do this? `bundle config bin', `bundle config

08:55 <rockyh> path', or both...?

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10:06 <rockyh> ok: `bundle update' can not be given a `--path' option. So, maybe a handy way is to perform first a `bundle install --path $HOME/something' and then run a `bundle update', which will automatically use `$HOME/something' as directory for gems

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12:05 <c-c> Hello! Time to return to the little game engine stub I started on last spring!

12:06 <c-c> Currently its just bunch of methods, that spawn 3 processes with game loop. Next, I'm looking at abstracting the inter-process messaging in a class (as opposed to copypaste).

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12:08 <c-c> So somehow, this https://gist.github.com/csmr/5c0da68094e8112c4624f457f180be24 class instaces in a process would use these https://gist.github.com/csmr/31639d9172274841edc7e528e2351998

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12:21 <c-c> I added some ideas about the implementation to comments before the class

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14:42 <volkov> So it's definitely necessary to break out Emacs and modify that Ruby script.

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14:56 <c-c> Ok, I updated the wanna be inter-process message box class https://gist.github.com/csmr/5c0da68094e8112c4624f457f180be24

14:56 <c-c> it actually instantiates that class

14:56 <c-c> - but actual ipc is not written yet

14:59 <c-c> I wonder if the Utils module is a good approach to reusing those methods... hmm, would a class have its parent module methods visible (inside the MessageBox)

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19:33 <AndroidKitKat> Sorry for the join spam

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