{"title":"\u5206\u6570\u3092\u5faa\u74b0\u5c0f\u6570\u306b\u76f4\u3059\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u3063\u305f\uff08Ruby\uff09","description":"\u203b\u6ce8\u8a18 \u306e\u3061\u306b\u5168\u9762\u7684\u306b\u66f8\u304d\u76f4\u3057\u307e\u3057\u305f\u3002 \u5272\u308a\u7b97\u3092\u3059\u308b\u3068\u304d\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u5272\u308a\u5207\u308c\u305a\u3001\u5c0f\u6570\u90e8\u5206\u304c\u5faa\u74b0\u3057\u3066\u7121\u9650\u306b\u7d9a\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u300c\u5faa\u74b0\u5c0f\u6570\uff08recurring decimal\uff09\u300d\u3067\u3059\u3002\u3053\u308c\u3092\u6271\u3046\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002 Rational \u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30fb\u30e1\u30bd\u30c3\u30c9 Rational#to_rec_decimal \u3067\u3059\u3002String \u3078\u5909\u63db\u3057\u307e\u3059\u3002 \u5faa\u74b0\u5c0f\u6570\u3067\u306a\u3044\u5834\u5408\u306f\u6574\u6570\u307e\u305f\u306f\u5c0f\u6570\u3092 String \u3067\u8fd4\u3057\u307e\u3059\u3002 Rational#rec_decimal? \u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5faa\u74b0\u5c0f\u6570\u306b\u5909\u63db\u3055\u308c\u308b\u306a\u3089 true\u3001\u305d\u308c\u4ee5\u5916\u306f false \u3092\u8fd4\u3057\u307e\u3059\u3002\u3044\u305a\u308c\u3082\u8ca0\u6570\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002Ratio\u2026","height":"190","categories":["Ruby","\u6570\u5b66"],"width":"100%","version":"1.0","provider_url":"https://hatena.blog","blog_url":"https://obelisk.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fobelisk.hatenablog.com%2Fentry%2F2015%2F12%2F21%2F050957\" title=\"\u5206\u6570\u3092\u5faa\u74b0\u5c0f\u6570\u306b\u76f4\u3059\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u3063\u305f\uff08Ruby\uff09 - Camera Obscura\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"obelisk2","blog_title":"Camera Obscura","image_url":null,"author_url":"https://blog.hatena.ne.jp/obelisk2/","url":"https://obelisk.hatenablog.com/entry/2015/12/21/050957","published":"2015-12-21 05:09:57","provider_name":"Hatena Blog","type":"rich"}