{"provider_name":"Hatena Blog","categories":["ruby"],"description":"ruby\u672c\uff08\u30d4\u30c3\u30b1\u30eb\u672c\uff09\u3092\u8aad\u307f\u9032\u3081\u3066\u305f\u3089\u3001\u3053\u3093\u306a\u611f\u3058\u306e\u30b3\u30fc\u30c9\u304c\u3042\u308a\u307e\u3057\u305f\u3002 hash = {} hash['hoge'] = [] if hash['hoge'].nil? hash['hoge'].push('a') \u3053\u308c\u3092\u898b\u3066\u30012\u884c\u76ee\u5197\u9577\u3058\u3083\u306d\uff1f\u3068ruby\u6b744\u65e5\u306e\u30d9\u30c6\u30e9\u30f3\u3067\u3042\u308b\u3068\u3053\u308d\u306e\u50d5\u306f\u601d\u3044\u307e\u3057\u305f\u3002 \u521d\u671f\u5024\u6c7a\u3081\u3068\u304d\u3083\u3048\u3048\u3084\u3093\u3002 irb(main):001:0> hash = Hash.new([]) => {} irb(main):002:0> hash['hoge'].push('a') => [\"a\"] \u304c\uff01 irb(main):003:0> hash => {} \u7a7a\u3084\u3093\u3051\uff01\u3055\u3089\u306b \u2026","author_url":"https://blog.hatena.ne.jp/lamanotrama/","height":"190","author_name":"lamanotrama","type":"rich","blog_title":"lamanotrama's diary","blog_url":"https://lamanotrama.hateblo.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Flamanotrama.hateblo.jp%2Fentry%2F20080317%2F1205728901\" title=\"ruby\u306eHash\u306e\u6319\u52d5\u304c\u8b0e\u306a\u4ef6 - lamanotrama&#39;s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","published":"2008-03-17 13:41:41","url":"https://lamanotrama.hateblo.jp/entry/20080317/1205728901","provider_url":"https://hatena.blog","image_url":null,"title":"ruby\u306eHash\u306e\u6319\u52d5\u304c\u8b0e\u306a\u4ef6","version":"1.0"}