{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyomogitaro.hatenadiary.org%2Fentry%2F20101010%2F1286706419\" title=\"rails\u306b\u3042\u3063\u305f\u30ab\u30c3\u30b3\u30a4\u30a4\u95a2\u6570\u306b\u3064\u3044\u3066 - \u30fbv\u30fb)/ \u304f\u3055\u3060\u3044\u3075\u304f\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>","provider_url":"https://hatena.blog","categories":[],"author_name":"YOMOGItaro","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/YOMOGItaro/","blog_url":"https://yomogitaro.hatenadiary.org/","published":"2010-10-10 19:26:59","version":"1.0","height":"190","blog_title":"\u30fbv\u30fb)/ \u304f\u3055\u3060\u3044\u3075\u304f\u65e5\u8a18","width":"100%","type":"rich","description":"\u3053\u306e\u524d,rails\u3067\u904a\u3093\u3067\u305f\u3068\u304d\u306bvalidates :name, :presence => true, :length => {:maximum => 30}\u3068\u304b\u66f8\u304f\u5834\u9762\u304c\u3042\u3063\u305f.\u3053\u308c\u3092\u66f8\u3044\u3066 \u300c\u30ab\u30c3\u30b3\u30a4\u30a4!!\u3060\u3051\u3069\u3069\u3046\u5b9f\u88c5\u3057\u3066\u3044\u308b\u306e\u304b\u5206\u304b\u3089\u306a\u3044(>_ \u3068\u601d\u3063\u305f.\u3060\u3051\u3069, http://www.oiax.jp/rails/study/active_record_validations_add.html\u3053\u306e\u30b5\u30a4\u30c8\u3092\u307f\u3066\u4f55\u3068\u306a\u304f\u5206\u304b\u3063\u305f.\u6570\u306e\u7dcf\u548c\u3092\u51fa\u3059\u95a2\u6570(\u6570\u306f3\u3064\u4ee5\u4e0b,\u672a\u5b9a\u7fa9\u306e\u6570\u306f0\u306b\u3059\u308b)\u3092def tasizan3( kazu = {}) kazu = { :v1 => 0, :v2 => \u2026","url":"https://yomogitaro.hatenadiary.org/entry/20101010/1286706419","title":"rails\u306b\u3042\u3063\u305f\u30ab\u30c3\u30b3\u30a4\u30a4\u95a2\u6570\u306b\u3064\u3044\u3066","image_url":null}