{"author_name":"yujitoyd","categories":[],"blog_url":"https://yujitoyd.hatenadiary.org/","url":"https://yujitoyd.hatenadiary.org/entry/20091023/1256317005","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyujitoyd.hatenadiary.org%2Fentry%2F20091023%2F1256317005\" title=\"ActiveRecord\u30af\u30e9\u30b9\u306b\u52d5\u7684\u306b\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b - Kinetic Programmer (by Yuji Toyoda)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","image_url":null,"height":"190","description":"RailsWay 250\u30da\u30fc\u30b8\u3042\u305f\u308a\u306b\u51fa\u3066\u304f\u308b\u8a71\u984c\u3068\u3057\u3066\u3001ActiveRecord\u3067\u30ec\u30b3\u30fc\u30c9\u3092\u8aad\u307f\u51fa\u3059\u6642\u306b\u52d5\u7684\u306b\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u3044\u3046\u8a71\u984c\u304c\u3042\u308a\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u975e\u5e38\u306b\u4fbf\u5229\u3060\u304c\u3001RailsWay\u306e\u30b3\u30fc\u30c9\u305d\u306e\u307e\u307e\u3060\u3068\u3061\u3087\u3063\u3068\u30a2\u30ec\u3067\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u306e\u3067\u3001\u6b63\u3057\u3044\u30b3\u30fc\u30c9\u306b\u4fee\u6b63\u3057\u3066\u307f\u305f\u3002\u3082\u3068\u3082\u3068\u306f\u3001\u3053\u3093\u306a\u611f\u3058: class Account ActiveRecord::Base ... private def after_find singleton = class \u3053\u308c\u3067\u57fa\u672c\u306f\u554f\u984c\u306a\u3044\u306e\u3060\u304c\u3001config\u306e\u90e8\u5206\u306b\u6295\u5165\u3059\u308b\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9\u306f validates_numericality_of\u2026","published":"2009-10-23 01:56:45","provider_name":"Hatena Blog","blog_title":"Kinetic Programmer (by Yuji Toyoda)","author_url":"https://blog.hatena.ne.jp/yujitoyd/","title":"ActiveRecord\u30af\u30e9\u30b9\u306b\u52d5\u7684\u306b\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b","provider_url":"https://hatena.blog","version":"1.0","type":"rich"}