{"provider_name":"Hatena Blog","author_name":"osyo-manga","provider_url":"https://hatena.blog","blog_title":"Secret Garden(Instrumental)","categories":["Ruby"],"description":"Ruby \u306e\u30af\u30e9\u30b9\u5909\u6570\u3068\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u306e\u9055\u3044\u306e\u899a\u66f8\u3002 \u30af\u30e9\u30b9\u5909\u6570 Ruby \u3067 @@\u5909\u6570\u540d \u3067\u5909\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u30af\u30e9\u30b9\u5909\u6570\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002 \u307e\u305f\u3001\u3053\u306e\u5909\u6570\u306f\u7d99\u627f\u3057\u305f\u30af\u30e9\u30b9\u3067\u3082\u53c2\u7167\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002 class X @@class_variable = \"hoge\" end class Y < X pp @@class_variable # => \"hoge\" end \u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570 Ruby \u3067\u306f\u30af\u30e9\u30b9\u3082\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306a\u306e\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u306f\u300e\u7d99\u627f\u3057\u305f\u30af\u30e9\u30b9\u300f\u3067\u306f\u53c2\u7167\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002 class X @instance_var\u2026","published":"2020-06-25 22:40:24","image_url":null,"type":"rich","height":"190","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsecret-garden.hatenablog.com%2Fentry%2F2020%2F06%2F25%2F224024\" title=\"Ruby \u306e\u30af\u30e9\u30b9\u5909\u6570\u3068\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u306e\u9055\u3044 - Secret Garden(Instrumental)\" 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://secret-garden.hatenablog.com/","version":"1.0","author_url":"https://blog.hatena.ne.jp/osyo-manga/","title":"Ruby \u306e\u30af\u30e9\u30b9\u5909\u6570\u3068\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u306e\u9055\u3044","url":"https://secret-garden.hatenablog.com/entry/2020/06/25/224024"}