Lecture 24 - note : I have not to code Devise Validates message, because the code to complex ( not must to code part )
Lecture 25 : Add User "name" to User(Devisel) and fix a lot view of User login/edit.
Lecture 26 : Validates :user / :image then run User.delete_all in rails console. Fix some View's pages, then ready git push and push heroku master.