{"image_url":null,"description":"\u81ea\u5206\u3067\u4f5c\u308b\u3068\u5272\u308a\u3068\u9762\u5012\u306aValidation\u3082Rails\u3067\u306f\u6570\u884c\u3067OK\u3002 \u3068\u3044\u3046\u3053\u3068\u3067\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u3002 #app/controllers/main_controller.rb class MainController < ApplicationController def new if params[:user] != nil @user = User.new params[:user] @user.save end end end #app/view/main/new.html.erb <%= error_messages_for :user %> <% form_for :user do \u2026","categories":["Rails"],"url":"https://ntaku.hateblo.jp/entry/20080304/1204598731","author_url":"https://blog.hatena.ne.jp/ntaku/","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fntaku.hateblo.jp%2Fentry%2F20080304%2F1204598731\" title=\" validation\u3092\u4f7f\u3063\u3066\u307f\u308b - \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30ce\u30fc\u30c8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":" validation\u3092\u4f7f\u3063\u3066\u307f\u308b","provider_name":"Hatena Blog","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30ce\u30fc\u30c8","blog_url":"https://ntaku.hateblo.jp/","published":"2008-03-04 11:45:31","provider_url":"https://hatena.blog","author_name":"ntaku","version":"1.0","height":"190","type":"rich"}