{"categories":[],"provider_url":"https://hatena.blog","version":"1.0","blog_title":"quabbin\u306e\u65e5\u8a18(\u5206\u5bb6)","height":"190","url":"https://quabbin.hatenadiary.org/entry/20090712/1247423476","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fquabbin.hatenadiary.org%2Fentry%2F20090712%2F1247423476\" title=\" [Ruby] NaN\u3002\u7d50\u8ad6\u306f\u307e\u305f\u4eca\u5ea6 - quabbin\u306e\u65e5\u8a18(\u5206\u5bb6)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"Ruby\u5074\u3067NaN\u304c\u540c\u4e00\u8996\u3055\u308c\u306a\u3044\u554f\u984c\u306b\u3064\u3044\u3066\u3001\u3069\u3053\u3092\u3069\u3046\u3059\u308c\u3070\u4ed6\u306e\u8a00\u8a9e\u3068\u540c\u3058\u52d5\u304d\u306b\u306a\u308b\u304b\u5206\u304b\u3063\u305f\u306e\u3067\u3001\u5148\u884c\u8ad6\u8b70\u304c\u306a\u3044\u304b\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002 \u3059\u308b\u3068 Ruby 1.9 - Bug #1720: [NaN] == [NaN] \u304c true \u306b\u306a\u308b - Ruby Issue Tracking System\u3092\u767a\u898b\u3002 \u65e5\u4ed8\u306f2009/7/3\u3002 \u3042\u301c\u3002\u3064\u307e\u308b\u3068\u3053\u308d\u3001\u4e57\u308a\u9045\u308c\u306a\u308f\u3051\u3067\u3059\u306dorz \u5185\u5bb9\u3092\u898b\u3066\u307f\u308b\u3068\u3001 (1) NaN == NaN \u3082 true \u306b\u3059\u308b \u4e00\u8cab\u6027\u306f\u3042\u308b\u304c NaN \u306e\u672c\u6765\u306e\u6319\u52d5\u3067\u306f\u306a\u3044 (2) rb_equal()\u3067\u307e\u305aequal?\u3067\u306e\u30c1\u30a7\u30c3\u30af\u3092\u3084\u3081\u308b \u6027\u80fd\u304c\u52a3\u5316\u3059\u308b\u306e\u3067\u907f\u3051\u305f\u3044 (3\u2026","image_url":null,"width":"100%","type":"rich","author_name":"quabbin","title":" [Ruby] NaN\u3002\u7d50\u8ad6\u306f\u307e\u305f\u4eca\u5ea6","provider_name":"Hatena Blog","blog_url":"https://quabbin.hatenadiary.org/","published":"2009-07-12 03:31:16","author_url":"https://blog.hatena.ne.jp/quabbin/"}