Flowdock
method

decrement

Importance_1
Ruby on Rails latest stable (v4.0.2) - 0 notes - Class: ActiveRecord::Base
decrement(attribute, by = 1) public

Initializes attribute to zero if nil and subtracts the value passed as by (default is 1). The decrement is performed directly on the underlying attribute, no setter is invoked. Only makes sense for number-based attributes. Returns self.

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