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Answers and rating deltas for

In ActiveRecord how do I use 'changed' (dirty) in a before_save callback?

Author Votes Δ
Vincent 3 +3.65
nasmorn 1 -1.85
Kris 1 -1.80
VelLes -1 0.00
Last visited: Sep 14, 2014, 5:07:29 AM