{"description":"\u30b3\u30de\u30f3\u30c9 rails g model Notification content user:references \u30b3\u30de\u30f3\u30c9 rails g migration AddUnreadToUser unread:bigint \u8a18\u8ff0\u8ffd\u52a0 db\\migrate\\20200805024555_add_unread_to_user.rb 3\u884c\u76ee\u672b\u5c3e\u306b\u300c, default: true\u300d\u306e\u8a18\u8ff0\u8ffd\u52a0 class AddUnreadToUser < ActiveRecord::Migration[6.0] def change add_column :users, :unread, :bigint, default:\u2026","categories":["MacOSX"],"author_name":"MrRadiology","url":"https://mrradiology.hatenablog.jp/entry/2020/08/22/150203","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/M/MrRadiology/20200805/20200805123856.png","version":"1.0","title":"\u3010\u5b66\u7fd26.0\u3011\u3010MacOSX\u3011\u901a\u77e5","published":"2020-08-22 15:02:03","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmrradiology.hatenablog.jp%2Fentry%2F2020%2F08%2F22%2F150203\" title=\"\u3010\u5b66\u7fd26.0\u3011\u3010MacOSX\u3011\u901a\u77e5 -  \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>","provider_name":"Hatena Blog","blog_title":" \u5b66\u751f\u5411\u3051\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5165\u9580 | \u7121\u6599","blog_url":"https://mrradiology.hatenablog.jp/","width":"100%","height":"190","author_url":"https://blog.hatena.ne.jp/MrRadiology/","provider_url":"https://hatena.blog"}