{"provider_url":"https://hatena.blog","version":"1.0","author_name":"yugui","author_url":"https://blog.hatena.ne.jp/yugui/","url":"https://blog.yugui.jp/entry/496","blog_title":"\u8fba\u5883\u306e\u65e5\u3005 (\u65e7:\u4e16\u754c\u7dda\u822a\u8de1\u8535)","description":"Rails 1.1\u4ee5\u964d\u306eActiveRecord\u3067\u306fhas_and_belongs_to_many\u306e\u4ee3\u308f\u308a\u306bhas_many :through\u3092\u4f7f\u3046\u306e\u304c\u30c8\u30ec\u30f3\u30c9\u3002\u3053\u308c\u306f\u3053\u308c\u3067\u4fbf\u5229\u306a\u306e\u3060\u3051\u308c\u3069\u3001Activity Based Datamodel\u5f0f\u306e\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u3092\u4f7f\u3046\u305f\u3081\u306b\u306f\u3084\u3063\u3071\u308ahas_o...","image_url":null,"width":"100%","title":"has_one :through","blog_url":"https://blog.yugui.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.yugui.jp%2Fentry%2F496\" title=\"has_one :through - \u8fba\u5883\u306e\u65e5\u3005 (\u65e7:\u4e16\u754c\u7dda\u822a\u8de1\u8535)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","categories":["rails"],"type":"rich","published":"2006-08-04 12:18:38","provider_name":"Hatena Blog"}