Rails error is 'You need to supply at least one validation'.

woaigithub · 2012年11月02日 · 2386 次阅读

error is 'You need to supply at least one validation'.

class Comment < ActiveRecord::Base attr_accessible :content, :title, :commenter, :email, :url

belongs_to :post

validates :content, :presence => true, :length => 10..200 end

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