validate(*args, &block) Instance Public methods Adds a validation method

validates_inclusion_of(*attr_names) Instance Public methods Validates whether

validates_confirmation_of(*attr_names) Instance Public methods Encapsulates

validates!(*attributes) Instance Public methods This method is used to define

param_key(record_or_class) Class Public methods Returns string to use for params

add_on_empty(attributes, options = {}) Instance Public methods Will add an error

validates(*attributes) Instance Public methods This method is a shortcut to

as_json(options=nil) Instance Public methods Returns a

define_attribute_method(attr_name) Instance Public methods Declares an attribute

set(key, value) Instance Public methods Set messages for key to