{"provider_url":"https://hatena.blog","type":"rich","url":"https://bubbles.hatenadiary.org/entry/20070923/1190569466","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbubbles.hatenadiary.org%2Fentry%2F20070923%2F1190569466\" title=\" - Learning to be Me\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2007-09-23 02:44:26","author_url":"https://blog.hatena.ne.jp/bubbles/","blog_url":"https://bubbles.hatenadiary.org/","height":"190","width":"100%","categories":["ruby"],"title":"","author_name":"bubbles","version":"1.0","provider_name":"Hatena Blog","description":"Hash\u306b\u3064\u3044\u3066\u306a\u308b\u307b\u3069\u3001\u3068\u304a\u3082\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002 \u521d\u6b69\u7684\u3059\u304e\u308b\u3053\u3068\u3063\u307d\u3044\u3051\u3069\u81ea\u5206\u304c\u3044\u307e\u307e\u3067\u77e5\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u66f8\u304f\u3002 \u3068\u3044\u3046\u304b\u307b\u3068\u3093\u3069\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30de\u30cb\u30e5\u30a2\u30eb\u306e\u5f15\u7528\u3002\u30cf\u30c3\u30b7\u30e5\u306e\u521d\u671f\u5024\u306b\u914d\u5217\u3092\u4f7f\u3044\u305f\u3044\u3068\u304d\u306b\u3001\u4eca\u307e\u3067\u306f Hash.new([]) \u3063\u3066\u3084\u3063\u3066\u305f\u3093\u3060\u3051\u3069\u3001\u3053\u308c\u3060\u3068 irb(main):001:0> h = Hash.new([]) => {} irb(main):002:0> h[0] [\"a\"] irb(main):003:0> p h {} => nil \u3068\u304b\u306a\u3063\u3061\u3083\u3063\u3066\u3066\u30cf\u30c3\u30b7\u30e5\u3068\u3057\u3066\u3046\u307e\u304f\u4f7f\u3048\u3066\u306a\u304b\u3063\u305f\u3002 \u306a\u3093\u3067\u3060\u308d\u30fc\u3001\u3068\u304b\u601d\u3044\u3064\u3064\u3001\u3069\u3046\u306b\u304b\u5225\u306a\u65b9\u6cd5\u3092\u3064\u304b\u3046\u3053\u3068\u3067\u3057\u306e\u3044\u3067\u304d\u305f\u3093\u3060\u3051\u308c\u3069\u2026","image_url":null,"blog_title":"Learning to be Me"}