Freelancing Gods 2015

04 Dec 2007


Rails code snippet for the day: validates_uniqueness_of_set. Useful for making sure each specific combination of the specified attributes is unique. Example from the pastie:

validates_uniqueness_of_set :first_name, :last_name

Just like the options it accepts, the code is very similar to validates_uniqueness_of – and the few tests I’ve thrown at it are handled without any problems.


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