{"provider_url":"https://hatena.blog","height":"190","title":"\u3010\u4e00\u4eba bugs.ruby Advent Calendar 2020\u3011[Feature #17316] On memoization\u301010\u65e5\u76ee\u3011","provider_name":"Hatena Blog","width":"100%","blog_url":"https://secret-garden.hatenablog.com/","categories":["AdventCalendar","Ruby","bugs.ruby"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsecret-garden.hatenablog.com%2Fentry%2F2020%2F12%2F10%2F000801\" title=\"\u3010\u4e00\u4eba bugs.ruby Advent Calendar 2020\u3011[Feature #17316] On memoization\u301010\u65e5\u76ee\u3011 - 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>","description":"\u4e00\u4eba bugs.ruby Advent Calendar 2020 10\u65e5\u76ee\u306e\u8a18\u4e8b\u306b\u306a\u308a\u307e\u3059\u3002 [Feature #17316] On memoization Ruby \u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3092\u521d\u671f\u5316\u3059\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b ||= \u6f14\u7b97\u5b50\u3092\u4f7f\u3046\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002 # @foo \u306e\u521d\u671f\u5024\u3068\u3057\u3066\u6700\u521d\u306b\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u6642\u306b some_heavy_calculation \u306e\u7d50\u679c\u3092\u5272\u308a\u5f53\u3066\u308b def foo @foo ||= some_heavy_calculation(...) end \u3057\u304b\u3057\u3001\u53b3\u5bc6\u306b\u306f\u300e @foo \u304c\u507d\u304b\u3069\u3046\u304b\u300f\u3067\u306f\u306a\u304f\u3066\u300e @foo \u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u300f\u3067\u5224\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u2026","author_url":"https://blog.hatena.ne.jp/osyo-manga/","author_name":"osyo-manga","url":"https://secret-garden.hatenablog.com/entry/2020/12/10/000801","published":"2020-12-10 00:08:01","version":"1.0","image_url":null,"blog_title":"Secret Garden(Instrumental)","type":"rich"}