{"provider_url":"https://hatena.blog","blog_url":"https://shinkufencer.hateblo.jp/","type":"rich","published":"2019-07-09 00:00:00","description":"\u5f53\u305f\u308a\u524d\u306e\u8a71\u3060\u3051\u3069\u305d\u308c\u306b\u3061\u3087\u3063\u3068\u30c8\u30ea\u30d3\u30a2\u3092\u3064\u3051\u308b \u74b0\u5883 $ ruby -v ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-darwin18] $ bin/rails -v Rails 5.2.2 \u4f7f\u3044\u65b9 ENV[{{\u30ad\u30fc\u540d}}] \u3067\u5024\u304c\u53d6\u308c\u308b $ HOGE=huge irb \u3068\u8d77\u52d5\u3059\u308c\u3070 ENV[\"HOGE\"] #=> \"huge\" \u3068\u3044\u3046\u5f62\u3067\u53d6\u5f97\u3067\u304d\u308b \u6ce8\u610f\u70b9 ENV\u306f\u30ad\u30fc\u3082\u5024\u3082\u3059\u3079\u3066\u6587\u5b57\u5217 \u6570\u5b57\u3092\u6307\u5b9a\u3057\u3066\u3082\u3001\u3059\u3079\u3066\u6587\u5b57\u5217\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u6ce8\u610f $ ATAI=120 irb ENV[\"ATAI\"] #=> \"120\" \u3068\u3044\u3046\u611f\u3058\u306b\u6587\u5b57\u5217\u3068\u3057\u2026","provider_name":"Hatena Blog","version":"1.0","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshinkufencer.hateblo.jp%2Fentry%2F2019%2F07%2F09%2F000000\" title=\"Ruby\u3067\u74b0\u5883\u5909\u6570\u3092\u53d6\u308b\u3068\u304d\u306fENV\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u3048\u3070\u3068\u308c\u308b - \u30b3\u30fc\u30c9\u65e5\u9032\u6708\u6b69\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/shinkufencer/","title":"Ruby\u3067\u74b0\u5883\u5909\u6570\u3092\u53d6\u308b\u3068\u304d\u306fENV\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u3048\u3070\u3068\u308c\u308b","url":"https://shinkufencer.hateblo.jp/entry/2019/07/09/000000","image_url":null,"blog_title":"\u30b3\u30fc\u30c9\u65e5\u9032\u6708\u6b69","height":"190","author_name":"shinkufencer","categories":["Ruby"]}