{"width":"100%","author_name":"rubyco","author_url":"https://blog.hatena.ne.jp/rubyco/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frubyco.hatenadiary.org%2Fentry%2F20130607%2Fdefault\" title=\"\u30cf\u30c3\u30b7\u30e5\u306e\u5024\u304c\u5b58\u5728\u3057\u306a\u3044\u3068\u304d\u306e\u5024\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\uff09\u3092\u8a2d\u5b9a\u3059\u308b - rubyco\uff08\u308b\u3073\u3053\uff09\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2013-06-07 00:00:00","version":"1.0","image_url":null,"blog_title":"rubyco\uff08\u308b\u3073\u3053\uff09\u306e\u65e5\u8a18","provider_url":"https://hatena.blog","url":"https://rubyco.hatenadiary.org/entry/20130607/default","blog_url":"https://rubyco.hatenadiary.org/","provider_name":"Hatena Blog","height":"190","categories":[],"type":"rich","description":"\u30cf\u30c3\u30b7\u30e5\u306e\u5024\u304c\u307e\u3060\u5b58\u5728\u3057\u306a\u304b\u3063\u305f\u30890\u3092\u4ee3\u5165\u3057\u3001\u3042\u3063\u305f\u3089\u6570\u3092\u8db3\u3057\u8fbc\u3093\u3067\u3044\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002 h = Hash.new if not h[:key] h[:key] = 0 end h[:key] += 123 Hash#key?\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3079\u304d\u304b\u3057\u3089\u3002 h = Hash.new if not h.key? :key h[:key] = 0 end h[:key] += 123 \u30cf\u30c3\u30b7\u30e5\u3092\u4f5c\u308b\u3068\u304d\u306bHash.new(0)\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u50240\u3092\u4e0e\u3048\u3066\u304a\u304f\u3068\u300c\u5b58\u5728\u3057\u306a\u304b\u3063\u305f\u3089\u300d\u3068\u3044\u3046if\u6587\u304c\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059\u3002 h = Hash.new(0) h[:key] += 123 \u540c\u3058\u3088\u3046\u306b\u7a7a\u306e\u914d\u5217\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u3059\u308b\u2026","title":"\u30cf\u30c3\u30b7\u30e5\u306e\u5024\u304c\u5b58\u5728\u3057\u306a\u3044\u3068\u304d\u306e\u5024\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\uff09\u3092\u8a2d\u5b9a\u3059\u308b"}