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ujihisa (Tatsuhiro Ujihisa)

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09/26/2017

02:01 PM Ruby trunk Bug #13790: rubyspec.org domain seems to be expired
Yay! 👏

08/08/2017

03:09 PM Ruby trunk Bug #13790 (Closed): rubyspec.org domain seems to be expired
## Summary
Ruby codebase has http links to rubyspec.org, but the domain is likely owned by different person, and t...

01/24/2013

07:39 AM Backport193 Backport #7735: nitemsメゾットが出力されない
Ruby 1.9.1のときにArray#nitemsは廃止されました
http://jp.rubyist.net/?NEWS-1.9.1.ja
> Array#nitemsは削除されました。count{|i| !i.nil...

03/10/2012

09:40 PM Ruby trunk Feature #6126 (Rejected): Introduce yes/no constants aliases for true/false
08:53 AM Ruby trunk Feature #6126: Introduce yes/no constants aliases for true/false
I don't agree with the suggestion.
yes = either true or false
"Did you eat sushi?": "Yes I did" = true
"Didn't...

12/02/2011

10:20 AM Ruby trunk Bug #5699 (Rejected): Windowsで一部のFloat値が正しく扱えない
09:17 AM Ruby trunk Bug #5699: Windowsで一部のFloat値が正しく扱えない
浮動小数点数の計算には誤差があります。参考サイト:
* http://download.oracle.com/docs/cd/E19957-01/806-4847/ncg_goldberg.html
* http://wiki...

11/26/2011

06:53 AM Ruby trunk Feature #5662: inject-accumulate, or Haskell's mapAccum*
> new_hash = enum.inject({}) { |h, thing| h[compute_key(thing)] = compute_value(thing); h }
> while that last h is...

11/20/2010

05:19 AM Ruby trunk Bug #4072: dRubyで作成したサーバプログラムがsleepしていてもexitしてしまう
=begin
こちらの環境でも再現できました。大抵はメッセージの送信に成功するものの、ときどき失敗し、クライアント側に下記のエラーを出力してサーバが終了します。

/Users/ujihisa/git/ruby192/loc...

06/07/2010

01:25 PM Backport187 Misc #3401: arrays containing them selves do not apply == sensibly.
=begin
FYI ruby 1.9 changed this behavior

$ ruby193 -ve 'a=[:a];a<<a;b=[:a];b<<b;p a;p b;p a==b'
ruby...

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