{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fria10.hatenablog.com%2Fentry%2F20130817%2F1376767409\" title=\"belongs_to\u3067through\u7684\u306a\u3053\u3068\u3092\u5b9f\u73fe\u3059\u308b - \u30ea\u30a2\u5145\u7206\u767a\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>","provider_name":"Hatena Blog","author_name":"ria10","description":"\u4f8b\u3048\u3070\u8907\u6570\u753b\u50cf\u4ed8\u304d\u6295\u7a3f\u304c\u3067\u304d\u308b\u63b2\u793a\u677f\u3092\u30a4\u30e1\u30fc\u30b8\u3057\u305f\u3068\u304d\u3001\u30b9\u30ec\u30c3\u30c9\u2192\u6295\u7a3f\u2192\u753b\u50cf\u3068\u3044\u3046\u591a\u6bb5\u69cb\u6210\u306e\u30e2\u30c7\u30eb\u304c\u3067\u304d\u308b\u3002\u3067\u3001\u3068\u306a\u308a\u3042\u3046\u95a2\u4fc2\u306e\u30e2\u30c7\u30eb\u540c\u58eb\u306f\u3001has_many\u3068belongs_to\u3067\u53c2\u7167\u3057\u3042\u3048\u308b\u3051\u3069\u3001\u30b9\u30ec\u30c3\u30c9\u2192\u753b\u50cf\u3084\u753b\u50cf\u2192\u30b9\u30ec\u30c3\u30c9\u306f\u4e00\u5de5\u592b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u30b9\u30ec\u30c3\u30c9\u2192\u753b\u50cf\u306fhas_many through\u3092\u4f7f\u3048\u3070\u3044\u3044\u3051\u3069\u3001\u9006\u306e\u753b\u50cf\u2192\u30b9\u30ec\u30c3\u30c9belongs_to\u3067throgh\u306f\u3067\u304d\u306a\u3044\u306e\u3067\u56f0\u3063\u305f\u3002\u8ab0\u304b\u304chas_one\u3092\u4f7f\u3046\u3068\u3044\u3046\u624b\u3092\u6319\u3052\u3066\u305f\u3051\u3069\u30d0\u30c3\u30c9\u30ce\u30a6\u30cf\u30a6\u7684\u306b\u3057\u304b\u601d\u3048\u306a\u304f\u3066\u3057\u3063\u304f\u308a\u6765\u306a\u3044\u3002\u3067\u3001\u3044\u308d\u3044\u308d\u8abf\u3079\u3066\u307f\u305f\u3068\u3053\u308ddelegate\u3092\u4f7f\u3046\u306e\u304c\u4e00\u756a\u30b9\u30de\u30fc\u30c8\u306b\u601d\u3048\u305f\u3002 class Thread < A\u2026","url":"https://ria10.hatenablog.com/entry/20130817/1376767409","title":"belongs_to\u3067through\u7684\u306a\u3053\u3068\u3092\u5b9f\u73fe\u3059\u308b","published":"2013-08-17 04:23:29","categories":["Ruby on Rails"],"blog_url":"https://ria10.hatenablog.com/","provider_url":"https://hatena.blog","height":"190","type":"rich","width":"100%","author_url":"https://blog.hatena.ne.jp/ria10/","blog_title":"\u30ea\u30a2\u5145\u7206\u767a\u65e5\u8a18","image_url":"http://ecx.images-amazon.com/images/I/51K0jUf+iEL.jpg","version":"1.0"}