{"categories":["rails","plugin","acts_as_cached"],"author_name":"taslam","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftaslam.hatenadiary.org%2Fentry%2F20071031%2F1195277038\" title=\"STI\u3067\u306e\u30c8\u30e9\u30d6\u30eb - taslam\u306e\u65e5\u8a18\" 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/taslam/","type":"rich","image_url":null,"provider_name":"Hatena Blog","title":"STI\u3067\u306e\u30c8\u30e9\u30d6\u30eb","provider_url":"https://hatena.blog","url":"https://taslam.hatenadiary.org/entry/20071031/1195277038","published":"2007-10-31 14:23:58","blog_title":"taslam\u306e\u65e5\u8a18","width":"100%","height":"190","blog_url":"https://taslam.hatenadiary.org/","description":"acts_as_cached\u306f\u4fbf\u5229\u3060\u304c\u3001\u30e2\u30c7\u30eb\u3067\u7d99\u627f\uff08STI\uff09\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u6271\u3044\u306b\u6ce8\u610f\u5fc5\u8981\u3002\u305f\u3068\u3048\u3070\u3001 class RealEstate < ActiveRecord::Base acts_as_cached end class Land < RealEstate end class Building < RealEstate end \u3063\u3066\u30e2\u30c7\u30eb\u304c\u3042\u3063\u3066\u3001 # \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210 Land.create(...) # => <Land:0xb71fa45c @attributes={\"id\"=>\"1\", \"type\" => \"Land\", ...}> # \u53d6\u5f97\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\uff09 Land.get\u2026","version":"1.0"}