3 ms·

Use Optimistic Locking: http://railscasts.com/episodes/59-optimistic-locking-revised?view=asciicast http://railscasts.com/episodes/59-optimistic-locking-revise

Use Optimistic Locking: http://railscasts.com/episodes/59-optimistic-locking-revised?view=asciicast http://railscasts.com/episodes/59-optimistic-locking-revised...