{"author_name":"taiyo","blog_title":"spikelet days","type":"rich","title":" [Ruby][DONE] \u30ed\u30fc\u30ab\u30eb\u5909\u6570\u304c\u751f\u6210\u3055\u308c\u308b\u30bf\u30a4\u30df\u30f3\u30b0","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftaiyo.hatenadiary.org%2Fentry%2F20130419%2Fp1\" title=\" [Ruby][DONE] \u30ed\u30fc\u30ab\u30eb\u5909\u6570\u304c\u751f\u6210\u3055\u308c\u308b\u30bf\u30a4\u30df\u30f3\u30b0 - spikelet days\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://taiyo.hatenadiary.org/","published":"2013-04-19 00:00:00","description":"\u7591\u554f: \u306a\u305c \"ruby -e 'p(v=v)'\" \u304c NameError \u306b\u306a\u3089\u306a\u3044\u306e\u304b\uff1f Ruby\u306e\u30ec\u30ad\u30b7\u30ab\u30eb\u30b9\u30b3\u30fc\u30d7\u306e\u3059\u3054\u3055\u3092\u540c\u50da\u306b\u8aac\u660e\u3057\u3066\u3044\u308b\u4e2d\u3067\u6c17\u3065\u3044\u305f\u3002 % ruby -e 'p v' -e:1: undefined local variable or method `v' for main:Object (NameError) % ruby -e 'p (v=v)' nil\u306a\u305c\u3001\u672a\u5b9a\u7fa9\u5909\u6570\u3092\u81ea\u5206\u81ea\u8eab\u306b\u4ee3\u5165\u3059\u308b\u3068\u304d\u306b\u306f\u3001NameError\u306b\u306a\u3089\u306a\u3044\u306e\u3060\u308d\u3046\u3002\u7b54\u3048\u306f\u3001Ruby\u306e\u30d1\u30fc\u30b5\u304c\u300c\u4ee3\u5165\u6587\u3092\u898b\u3064\u3051\u305f\u6642\u70b9\u3067\u5909\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u308b\u300d\u4ed5\u69d8\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3002","width":"100%","url":"https://taiyo.hatenadiary.org/entry/20130419/p1","height":"190","categories":[],"image_url":null,"author_url":"https://blog.hatena.ne.jp/taiyo/","provider_url":"https://hatena.blog","version":"1.0"}