{"published":"2023-08-05 17:13:19","categories":["Ruby","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"height":"190","version":"1.0","width":"100%","blog_url":"https://blog.m-ito27.com/","description":"\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8aad\u307f\u8fbc\u3080\u306e\u306f\u5927\u4e8b\u3001\u3068\u3044\u3046\u3053\u3068\u3067Rails\u30ac\u30a4\u30c9\u3092\u982d\u304b\u3089\u8aad\u3093\u3067\u3044\u304f\u53d6\u308a\u7d44\u307f\u3092\u3057\u3066\u3044\u307e\u3059\u3002 \u5404\u7ae0\u3054\u3068\u306b\u3001\uff08Rails\u30ac\u30a4\u30c9\u306b\u3061\u3083\u3093\u3068\u66f8\u3044\u3066\u3042\u308b\u306e\u306b\uff09\u77e5\u3089\u306a\u304b\u3063\u305f\u6a5f\u80fd\u3092\u96d1\u306b\u307e\u3068\u3081\u3066\u3044\u304d\u307e\u3059\u3002 \u4eca\u56de\u306f\u3001Active Record\u306e\u95a2\u9023\u4ed8\u3051\u306e\u7ae0\u3067\u3059\u3002 railsguides.jp reload_xxx\u3068\u3001changerd?previously_changed? \u30ea\u30f3\u30af\u306f\u3053\u3061\u3089 reload_xxx \u30c6\u30b9\u30c8\u3092\u66f8\u304f\u3068\u304d\u306b\u3001xxx.reload\u307f\u305f\u3044\u306a\u4f7f\u3044\u65b9\u306f\u3088\u304f\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u95a2\u9023\u30e2\u30c7\u30eb\u306b\u4f7f\u3048\u308b\u306e\u306f\u77e5\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002 # \uff08\u30b3\u30f3\u30bd\u30fc\u30ebA\u3067\uff09 book.user #=> #<User id: 1\u2026","blog_title":"PLAY BALL","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.m-ito27.com%2Fentry%2F2023%2F08%2F05%2F171319\" title=\"Rails\u30ac\u30a4\u30c9\u306b\u304d\u3061\u3093\u3068\u76ee\u3092\u901a\u3057\u3066\u65b0\u3057\u3044\u77e5\u8b58\u3092\u5f97\u308b - Active Record\u306e\u95a2\u9023\u4ed8\u3051\u7de8 - - PLAY BALL\" 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/m-ito27/","type":"rich","provider_url":"https://hatena.blog","author_name":"m-ito27","image_url":null,"provider_name":"Hatena Blog","url":"https://blog.m-ito27.com/entry/2023/08/05/171319","title":"Rails\u30ac\u30a4\u30c9\u306b\u304d\u3061\u3093\u3068\u76ee\u3092\u901a\u3057\u3066\u65b0\u3057\u3044\u77e5\u8b58\u3092\u5f97\u308b - Active Record\u306e\u95a2\u9023\u4ed8\u3051\u7de8 -"}