{"author_name":"elm200","url":"https://elm200.hatenadiary.org/entry/20070318/1174225558","description":"Rails \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f 1.2.3 \u3092\u60f3\u5b9a\u3002 \u57fa\u672c\u7684\u306b\u65ad\u308a\u304c\u306a\u3044\u5834\u5408\u306f ActiveRecord::Base \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u307e\u305f\u306f\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u306e\u8a71\u3067\u3042\u308b\u3002 1. \u57fa\u672c\u7684\u306b\u66f4\u65b0\u306f save \u3067\u884c\u3046 save \u3068 save! \u306e\u9055\u3044 save : \u5931\u6557\u3057\u305f\u3089 false \u3092\u8fd4\u3059\u3002 save!: \u5931\u6557\u3057\u305f\u3089 RecordInvalid \u4f8b\u5916\u3092\u6295\u3052\u308b\u3002 Dave Thomas \u300cRails \u306b\u3088\u308b\u30a2\u30b8\u30e3\u30a4\u30eb Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u300d\u306b\u3088\u308b\u3068\u3001\u3053\u306e\uff12\u3064\u306e\u4f7f\u3044\u5206\u3051\u306f\u3001 save: \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u30e1\u30bd\u30c3\u30c9\u3068\u3057\u3066\u547c\u3073\u51fa\u3055\u308c\u308b\u3053\u3068\u3092\u60f3\u5b9a\u3002\u30a8\u30e9\u30fc\u3092\u753b\u9762\u306b\u8868\u793a\u3059\u308b\u3053\u3068\u3092\u8003\u3048\u308b\u3068\u2026","height":"190","blog_url":"https://elm200.hatenadiary.org/","width":"100%","provider_name":"Hatena Blog","image_url":null,"published":"2007-03-18 22:45:58","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Felm200.hatenadiary.org%2Fentry%2F20070318%2F1174225558\" title=\" ActiveRecord \u66f4\u65b0\u7cfb - elm200 \u306e\u65e5\u8a18(\u65e7\u306f\u3066\u306a\u30c0\u30a4\u30a2\u30ea\u30fc)\" 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/elm200/","blog_title":"elm200 \u306e\u65e5\u8a18(\u65e7\u306f\u3066\u306a\u30c0\u30a4\u30a2\u30ea\u30fc)","categories":["Ruby on Rails"],"version":"1.0","provider_url":"https://hatena.blog","title":" ActiveRecord \u66f4\u65b0\u7cfb"}