{"type":"rich","categories":["Ruby","Tips"],"author_url":"https://blog.hatena.ne.jp/shinkufencer/","blog_url":"https://shinkufencer.hateblo.jp/","image_url":null,"blog_title":"\u30b3\u30fc\u30c9\u65e5\u9032\u6708\u6b69","author_name":"shinkufencer","url":"https://shinkufencer.hateblo.jp/entry/2018/11/01/233000","title":"Ruby\u3067\u4e8c\u6b21\u5143\u4ee5\u4e0a\u306e\u914d\u5217\u3082\u3057\u304f\u306f\u30cf\u30c3\u30b7\u30e5\u306e\u5024\u3092\u53d6\u308b\u3068\u304d\u3001\u8981\u7d20\u6570\u306a\u3069\u304c\u4e0d\u660e\u78ba\u306a\u5834\u5408\u3001dig\u3092\u4f7f\u3046\u3068\u30b9\u30e0\u30fc\u30ba\u306b\u53d6\u308c\u308b","description":"\u77e5\u3063\u3066\u305d\u3046\u3067\u77e5\u3089\u306a\u3044\u30b7\u30ea\u30fc\u30ba\u30e1\u30e2 \u74b0\u5883 $ ruby -v ruby 2.3.7p456 (2018-03-28 revision 63024) [universal.x86_64-darwin17] \u4f8b 2\u6b21\u5143\u4ee5\u4e0a\u306eHash\u304b\u3089\u5024\u3092\u53d6\u308d\u3046\u3068\u3057\u305f\u5834\u5408\u30011\u3064\u76ee\u306e\u30ad\u30fc\u6307\u5b9a\u6642\u306b\u5bfe\u8c61\u306e\u3082\u306e\u304c\u306a\u3044\u30682\u3064\u76ee\u4ee5\u964d\u304c\u53d6\u308c\u306a\u3044\u3002 # \u30b5\u30f3\u30d7\u30eb\u914d\u5217 hash = {a: {b: \"val\"}} #=> {:a=>{:b=>\"val\"}} # 1\u500b\u76ee\u306e\u5024\u304c\u5b58\u5728\u3059\u308b\u3082\u306e\u306a\u3089\u554f\u984c\u306a\u304f\u3068\u308c\u308b hash[:a][:b] #=> \"val\" # 1\u500b\u76ee\u306e\u5024\u304c\u306a\u3044\u3068 nil \u306b\u5bfe\u3057\u3066\u51e6\u7406\u3092\u3059\u308b\u306e\u3067\u30a8\u30e9\u30fc hash[:x][:b\u2026","version":"1.0","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshinkufencer.hateblo.jp%2Fentry%2F2018%2F11%2F01%2F233000\" title=\"Ruby\u3067\u4e8c\u6b21\u5143\u4ee5\u4e0a\u306e\u914d\u5217\u3082\u3057\u304f\u306f\u30cf\u30c3\u30b7\u30e5\u306e\u5024\u3092\u53d6\u308b\u3068\u304d\u3001\u8981\u7d20\u6570\u306a\u3069\u304c\u4e0d\u660e\u78ba\u306a\u5834\u5408\u3001dig\u3092\u4f7f\u3046\u3068\u30b9\u30e0\u30fc\u30ba\u306b\u53d6\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>","published":"2018-11-01 23:30:00","height":"190"}