How to log in automatically using Device after registration?
问题 In my rails application I am using devise gem for to manage users. I am using mobile_fu gem for to separate users coming from different users. What I want to achieve here is: If a user opens my site from a mobile device I will extract its MSISDN number reading header it is already done If that MSISDN number falls in a particular series then I want to automatic login that user to my website so that he will not have to fill the sign_in form. How I can achieve this? 回答1: You have to: 1) Register