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【devise】undefined local variable or method `resource_name'の解決策

Posted at

###解決策 

application_helper
def resource_name
   :user
end

def resource
   @resource ||= User.new
end

def devise_mapping
   @devise_mapping ||= Devise.mappings[:user]
end

こちらのコードをポイっと入れるだけです!
解決!

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