{"title":" validation \u30a8\u30e9\u30fc\u306e\u8868\u793a\u3092 validation \u9806\u306b\u63c3\u3048\u308b","categories":["Ruby on Rails"],"version":"1.0","author_url":"https://blog.hatena.ne.jp/elm200/","type":"rich","description":"\u305f\u3068\u3048\u3070 title:string, body:text \u3068\u3044\u3046\uff12\u3064\u306e\u5c5e\u6027\u3092\u6301\u3064\u30e2\u30c7\u30eb Entry \u304c\u3042\u3063\u305f\u3068\u3059\u308b\u3002\u305d\u3053\u3067\u6b21\u306e\u3088\u3046\u306a validation \u3092\u639b\u3051\u305f\u3068\u3057\u3088\u3046\u3002 class Entry < ActiveRecord::Base validates_presence_of :title validates_presence_of :body end \u3053\u308c\u306b\u5bfe\u3059\u308b\u5165\u529b\u30d5\u30a9\u30fc\u30e0\u306e\u30d3\u30e5\u30fc\u306f\u3053\u3093\u306a\u611f\u3058\u3060\u3002 <%= error_messages_for 'entry' %> <!--[form:entry]--> <p><label for=\"entry_title\">Title</labe\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Felm200.hatenadiary.org%2Fentry%2F20070819%2F1187477042\" title=\" validation \u30a8\u30e9\u30fc\u306e\u8868\u793a\u3092 validation \u9806\u306b\u63c3\u3048\u308b - 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>","height":"190","author_name":"elm200","provider_url":"https://hatena.blog","url":"https://elm200.hatenadiary.org/entry/20070819/1187477042","blog_url":"https://elm200.hatenadiary.org/","image_url":null,"width":"100%","blog_title":"elm200 \u306e\u65e5\u8a18(\u65e7\u306f\u3066\u306a\u30c0\u30a4\u30a2\u30ea\u30fc)","published":"2007-08-19 07:44:02","provider_name":"Hatena Blog"}