Practicing Ruby - Issue #9: Uses for Modules (2 of 4)
Originally published as part of the Practicing Ruby newsletter on December 10, 2010. Most of these issues draw inspiration from discussions and teaching sessions at my free online school, Ruby Mendicant University. You should follow @seacreature on twitter if you want to keep up with my more recent projects. Using Mix-ins to Augment Class Definitions Although knowing how to use modules for namespa
Three-way comparison - Wikipedia
In computer science, a three-way comparison takes two values A and B belonging to a type with a total order and determines whether A < B, A = B, or A > B in a single operation, in accordance with the mathematical law of trichotomy. It can be implemented in terms of a function (such as strcmp in C), a method (such as compareTo in Java), or an operator (such as the spaceship operator <=> in Perl and
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リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
処理を実行中です
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
What is the Ruby <=> (spaceship) operator?
ITトレメ Ruby技術者認定【Gold】試験 － ＠IT自分戦略研究所
