{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmrradiology.hatenablog.jp%2Fentry%2F2018%2F03%2F10%2F082651\" title=\"Rails5.1 | 34 | Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a | \u6700\u5f8c\u306e\u7ba1\u7406\u30e6\u30fc\u30b6\u3092\u524a\u9664\u51fa\u6765\u306a\u3044\u3088\u3046\u306b\u3059\u308b -  \u5b66\u751f\u5411\u3051\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5165\u9580 | \u7121\u6599\" 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/MrRadiology/","blog_url":"https://mrradiology.hatenablog.jp/","published":"2018-03-10 08:26:51","author_name":"MrRadiology","url":"https://mrradiology.hatenablog.jp/entry/2018/03/10/082651","description":"\u30e9\u30f3\u30ad\u30f3\u30b0\u53c2\u52a0\u4e2d\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 [TOP] \u7ba1\u7406\u30e6\u30fc\u30b6\u304c\u4e00\u4eba\u3082\u3044\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u3068\u7ba1\u7406\u753b\u9762\u306b\u30ed\u30b0\u30a4\u30f3\u51fa\u6765\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u30e6\u30fc\u30b6\u304c\u6700\u5f8c\u306e\u4e00\u4eba\u306b\u306a\u3063\u305f\u3089\u524a\u9664\u3067\u304d\u306a\u3044\u8a2d\u5b9a\u306b\u3057\u307e\u3059\u3002 \u307e\u305a\u306fuser\u30e2\u30c7\u30eb\u306e\u7de8\u96c6\u3067\u3059\u3002 \u3010app/models/user.rb\u3011 class User < ActiveRecord::Base validates :name, presence: true, uniqueness: true has_secure_password after_destroy :ensure_admin private def ensure_admin if User.count.ze\u2026","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/M/MrRadiology/20180307/20180307135921.png","height":"190","categories":["Ruby on Rails"],"width":"100%","provider_url":"https://hatena.blog","title":"Rails5.1 | 34 | Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a | \u6700\u5f8c\u306e\u7ba1\u7406\u30e6\u30fc\u30b6\u3092\u524a\u9664\u51fa\u6765\u306a\u3044\u3088\u3046\u306b\u3059\u308b","version":"1.0","provider_name":"Hatena Blog","type":"rich","blog_title":" \u5b66\u751f\u5411\u3051\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5165\u9580 | \u7121\u6599"}