You can do like this using all? method
accepts_nested_attributes_for :questions, :allow_destroy => true,
:reject_if => lambda { |attrs| attrs.all? { |k, v| v.blank?}}
--
Thanks,
Abhinav
http://twitter.com/abhinav
On Wed, Apr 14, 2010 at 7:51 PM, ES <[email protected]> wrote:
> How do I reject the creation of an object if all of the attributes are
> blank?
>
> accepts_nested_attributes_for :questions, :allow_destroy =>
> true, :reject_if => lambda {|a| a.each.blank? }
>
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