请描述您的问题
标题:腾讯云云产品新购特惠,五折上云!
地址:https://cloud.tencent.com/act/first_purchase?utm_source=portal&utm_medium=cdb&utm_campaign=firstpurchase&utm_term=0110
浏览器信息
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36
请描述您的问题
标题:腾讯云云产品新购特惠,五折上云!
地址:https://cloud.tencent.com/act/first_purchase?utm_source=portal&utm_medium=cdb&utm_campaign=firstpurchase&utm_term=0110
浏览器信息
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:58.0) Gecko/20100101 Firefox/58.0
请描述您的问题
标题:年底大酬宾-腾讯云
地址:https://cloud.tencent.com/act/bargin?fromSource=gwzcw.634234.634234.634234
浏览器信息
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36
我有STI模型
#a/m/document.rb
class Document < ActiveRecord::Base
end
#a/m/document/static.rb
class Document::Static < Document
end
#a/m/document/dynamic.rb
class Document::Dynamic < Document
end
我正在使用draper gem来装饰我的模型
# a/d/document_decorator.rb
class DocumentDecorator < ApplicationDecora