{"author_url":"https://blog.hatena.ne.jp/akishin999/","categories":["Ruby","Rails"],"url":"https://akishin.hatenablog.jp/entry/20130718/1374100143","provider_url":"https://hatena.blog","image_url":null,"version":"1.0","author_name":"akishin999","title":" Rails \u3067 ReadOnly \u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u6271\u3046\u5834\u5408\u306e\u3044\u308d\u3044\u308d","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fakishin.hatenablog.jp%2Fentry%2F20130718%2F1374100143\" title=\" Rails \u3067 ReadOnly \u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u6271\u3046\u5834\u5408\u306e\u3044\u308d\u3044\u308d - akishin999\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>","blog_title":"akishin999\u306e\u65e5\u8a18","blog_url":"https://akishin.hatenablog.jp/","type":"rich","description":"Rails \u3067\u66f8\u304d\u8fbc\u307f\u3092\u3057\u305f\u304f\u306a\u3044\u53c2\u7167\u5c02\u7528\u306e DB \u3092\u6271\u3063\u305f\u969b\u306b\u3001\u9593\u9055\u3048\u3066\u66f4\u65b0\u3057\u3066\u3057\u307e\u308f\u306a\u3044\u305f\u3081\u306b\u5909\u66f4\u3057\u305f\u7b87\u6240\u3092\u5099\u5fd8\u9332\u4ee3\u308f\u308a\u306b\u30e1\u30e2\u3002 \u30d0\u30fc\u30b8\u30e7\u30f3\u306f 3.2.13 \u3067\u3059\u3002 ActiveRecord \u4f7f\u3063\u3066\u3044\u308b\u306e\u306f Rails 3 \u306a\u3093\u3067\u3059\u304c\u3001\u306a\u3093\u3068\u306a\u304f Rails 4 \u306e concerns \u3063\u307d\u304f\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u307e\u305a\u306f Model \u306e concerns \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3002 $ mkdir -p app/models/concerns \u4f5c\u6210\u3057\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092 config/application.rb \u306e autoload_paths \u306b\u8ffd\u52a0\u3057\u3066\u81ea\u52d5\u30ed\u30fc\u30c9\u3055\u308c\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002 config.\u2026","height":"190","published":"2013-07-18 07:29:03","provider_name":"Hatena Blog","width":"100%"}