{"type":"rich","author_name":"kwata8459","blog_title":"kwata8459\u306e\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/kwata8459/","categories":["Ruby"],"image_url":null,"description":"Ruby\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306fdup\u3067\u30b3\u30d4\u30fc\u3055\u308c\u308b\u304c\u3001\u53c2\u7167\u5148\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u307e\u3067\u8fbf\u3063\u3066\u306f\u30b3\u30d4\u30fc\u3057\u3066\u304f\u308c\u306a\u3044\u3002 \u4e00\u65b9\u3001Ruby\u3067\u306f\u914d\u5217\u306f1\u6b21\u5143\u914d\u5217\u3057\u304b\u306a\u3044\u3002\u591a\u6b21\u5143\u914d\u5217\u306f\u914d\u5217\u306e\u914d\u5217\u3068\u3044\u3046\u5f62\u3067\u5b9a\u7fa9\u3057\u3066\u3044\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002 \u3053\u308c\u3089\u3088\u308a\uff12\u6b21\u5143\u914d\u5217\u3092\u30b3\u30d4\u30fc\u3059\u308b\u306b\u306f\u5404\u884c\u306b\u3064\u3044\u3066\u305d\u308c\u305e\u308c\u306e\u5217\u3092\u30b3\u30d4\u30fc\u3059\u308b\u3068\u3044\u3046\u51e6\u7406\u3092\u660e\u793a\u7684\u306b\u884c\u308f\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3002 \u4f8b\u3048\u3070\u30012\u6b21\u5143\u914d\u5217a\u304c\u3042\u3063\u305f\u3068\u3057\u3066\u3001b = a.dup\u3067\u306f\u884c\u306e\u5206\u3060\u3051\u304c\u30b3\u30d4\u30fc\u3055\u308c\u3001\u5225\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306a\u308b\u304c\u3001\u5217\u8981\u7d20\u306f\u5143\u306ea\u306e\u3082\u306e\u3092 \u53c2\u7167\u3057\u3066\u3057\u307e\u3046\u3002\u3053\u306e\u305f\u3081\u3001a[0][0] = 3\u3068\u304b\u3084\u308b\u3068b[0][0]\u306e\u5024\u30823\u306b\u66f8\u304d\u63db\u308f\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u3002\u591a\u6b21\u5143\u914d\u5217\u3092\u30b3\u30d4\u30fc\u3059\u308b\u306b\u306f \u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkwata8459.hatenadiary.org%2Fentry%2F20130401%2F1364824864\" title=\"2\u6b21\u5143\u914d\u5217\u306e\u30b3\u30d4\u30fc - kwata8459\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":"2013-04-01 23:01:04","title":"2\u6b21\u5143\u914d\u5217\u306e\u30b3\u30d4\u30fc","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","blog_url":"https://kwata8459.hatenadiary.org/","url":"https://kwata8459.hatenadiary.org/entry/20130401/1364824864","height":"190","version":"1.0","width":"100%"}