{"blog_url":"https://fits.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/fits/","provider_url":"https://hatena.blog","published":"2014-06-08 20:30:20","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffits.hatenablog.com%2Fentry%2F2014%2F06%2F08%2F203020\" title=\" \u30b8\u30cb\u4e0d\u7d14\u5ea6\u306e\u7b97\u51fa2 - Ruby, C#, F#, Erlang - \u306a\u3093\u3068\u306a\u304f\u306a Developer \u306e\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u306a\u3093\u3068\u306a\u304f\u306a Developer \u306e\u30e1\u30e2","title":" \u30b8\u30cb\u4e0d\u7d14\u5ea6\u306e\u7b97\u51fa2 - Ruby, C#, F#, Erlang","provider_name":"Hatena Blog","width":"100%","image_url":null,"description":"\u524d\u56de \u306b\u7d9a\u304d\u3001\u4eca\u56de\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u3067\u30b8\u30cb\u4e0d\u7d14\u5ea6\uff08\u30b8\u30cb\u4fc2\u6570\uff09\u306e\u7b97\u51fa\u51e6\u7406\u3092\u540c\u3058\u3088\u3046\u306b\u5b9f\u88c5\u3057\u3066\u307f\u307e\u3057\u305f\u3002 Ruby C# F# Erlang \u4eca\u56de\u306e\u30bd\u30fc\u30b9\u306f http://github.com/fits/try_samples/tree/master/blog/20140608/ Ruby \u3067\u5b9f\u88c5 Ruby 2.0 JRuby 1.7 Ruby \u3067\u306f group_by \u3067\u8981\u7d20\u6bce\u306e Hash \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002 \uff08\u4e0b\u8a18\u3067\u306f {\"A\"=>[\"A\", \"A\"], \"B\"=>[\"B\", \"B\", \"B\"], \"C\"=>[\"C\"]}\uff09 \u306a\u304a\u3001Hash \u3067 map \u3057\u305f\u7d50\u679c\u306f\u914d\u5217\u306b\u306a\u308a\u307e\u3059\u2026","height":"190","type":"rich","author_name":"fits","categories":["Ruby","C#","F#","Erlang"],"url":"https://fits.hatenablog.com/entry/2014/06/08/203020","version":"1.0"}