{"blog_url":"https://www.letitride.jp/","width":"100%","blog_title":"\u8ffd\u61b6\u884c","author_name":"letitride","provider_url":"https://hatena.blog","type":"rich","url":"https://www.letitride.jp/entry/2019/07/16/161354","author_url":"https://blog.hatena.ne.jp/letitride/","categories":["\u30c6\u30c3\u30af","\u30c6\u30c3\u30af-\u305d\u306e\u4ed6"],"title":"Rails \u4e3b\u30ad\u30fc\u4ee5\u5916\u3067\u306e\u7279\u5b9a\u30ab\u30e9\u30e0\u306e\u30a2\u30bd\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3","description":"\u4f8b\u3048\u3070\u3001\u3053\u3046\u3044\u3063\u305f\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u3063\u305f\u6642\u3001 hoges foos id id title hoge last_foo no hoges\u306ffoos\u3092has_many\u3067\u6301\u3064\u95a2\u4fc2\u3068\u3059\u308b\u3002 \u901a\u5e38\u306f\u3053\u3046\u3044\u3046foos\u3092\u6307\u5b9a\u3059\u308c\u3070\u3001foos.hoge\u306b\u5bfe\u3057\u3066\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u8cbc\u308c\u308b\u3093\u3060\u3051\u3069\u3001 has_many :foos last_foo\u30ab\u30e9\u30e0\u3067foos\u306e\u7279\u5b9a\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u6307\u3057\u305f\u3044\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3002 belongs_to :last_foo, foreign_key: \"last_foo\", class_name: 'Foo', required: false foreign_key\u306f\u7d50\u5408\u5143\u306ehoges\u306e\u30ab\u2026","provider_name":"Hatena Blog","image_url":null,"published":"2019-07-16 16:13:54","version":"1.0","height":"190","html":""}