I can't in all honesty understand why you wouldn't just Google "rails login current_sign_in_ip", the top three hits for which would probably all put you on the

I can't in all honesty understand why you wouldn't just Google "rails login current_sign_in_ip", the top three hits for which would probably all put you on the right track. I would say grepping through the code of third-party libraries would be something I'd do only in desperation when working in an unfamiliar codebase. But hey, each to their own!