You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
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class ChooseOutputs < ActiveRecord::Base
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# attr_accessible :title, :body
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# user_id 与 challenge_choose_id 唯一确定用户此题的选项
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belongs_to :challenge_choose
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end
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