{"provider_url":"https://hatena.blog","title":"ENV[key]","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/shigemk2/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F20120417%2F1334641313\" title=\"ENV[key] - by shigemk2\" 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://www.shigemk2.com/","height":"190","blog_title":"by shigemk2","author_name":"shigemk2","description":"Ruby Reference Manual - \u308b\u308a\u307e ENV[key] key \u306b\u5bfe\u5fdc\u3059\u308b\u74b0\u5883\u5909\u6570\u306e\u5024\u3092\u8fd4\u3059\u3002 \u8a72\u5f53\u3059\u308b\u74b0\u5883\u5909\u6570\u304c\u5b58\u5728 \u3057\u306a\u3044\u6642\u306b\u306f nil \u3092\u8fd4\u3059\u3002","url":"https://www.shigemk2.com/entry/20120417/1334641313","width":"100%","type":"rich","categories":["Ruby"],"version":"1.0","published":"2012-04-17 14:41:53","image_url":null}