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  <blog_title>Soleil cou coupe</blog_title>
  <blog_url>https://xef.hatenadiary.org/</blog_url>
  <categories>
    <anon>Ruby</anon>
  </categories>
  <description>what_methodsとは what_methodsはメソッドの名前を忘れたとき調べるのに便利なライブラリ。 gem i what_methods でインストールし、irbを立ち上げて次のように打ってみよう。 irb(main):001:0&gt; require &quot;what_methods&quot; =&gt; true irb(main):002:0&gt; [1,2,3].what? 3 [1, 2, 3].last == 3 [1, 2, 3].pop == 3 [1, 2, 3].length == 3 [1, 2, 3].size == 3 [1, 2, 3].count == 3 [1, 2, 3].s…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2012-04-01 00:00:00</published>
  <title>Rubyライブラリの書き方を調べる(what_methods.rbを読む)</title>
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  <url>https://xef.hatenadiary.org/entry/20120401/p1</url>
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