search for: online_users

hi. i try to record a global array to save on-line member. it''s put this array in controllers/application.rb or not? my code like this: $online_users = Array.new and each member sign in will add himself to $online_users. miss something? all regards -- Posted via http://www.ruby-forum.com/.

Studying the RoR 3 Tutorial book by Michael Hartl and on page 345 there''s the code inside the SessionsHelper: _________________________________________________________ module SessionsHelper def sign_in(user) cookies.permanent.signed[:remember_token] = [user.id, user.sault] self.current_user = user end end __________________________________________________________ What is the purpose