Railsã§deviseã¨ããã決ã¾ãèªè¨¼gemã使ãéã«ãã¢ã¯ã»ã¹ãããã³ã«userã«ãã°ã¤ã³ãããã®ã§ã¯ãªããä¸åº¦ãã°ã¤ã³ããã次å以éãã°ã¤ã³ä¸è¦ã«ãªãããã«å®è£ ãã¾ããã ã¾ãã¯ã³ã¼ã ä¸ã®ï¼è¡ã足ãã°å®ç¾ã§ãã¾ããããã£ã¡ãç°¡åï¼ï¼ # deviseãé©ç¨ããã¦ããã¢ãã« class User < ActiveRecord::Base devise :database_authenticatable, :trackable, :encryptable, :confirmable, :recoverable, :registerable, :validatable, :lockable, :rememberable # æå¹ã«ããdeviseã¢ã¸ã¥ã¼ã«é # @return [Boolean] cookieã使ããã°ã¤ã³æ å ±ãä¿æãããã©ãã -> ããã§ã¯true # ãã®3è¡ã
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