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@huangpuxiang
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NO. 32086 /
2017-06-30
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新手问题
validates :title, presence: true 中的 presence 是方法吗?
huangpuxiang
• Last by
torvaldsdb
replied at
October 30, 2017
14
新手问题
rails db:migrate 用于调用所有未运行的迁移中的 chagne 或 up 方法,那么其中的 down 不会运行吗?
huangpuxiang
• Last by
huangpuxiang
replied at
August 30, 2017
4
新手问题
rails 中的 table 和 database 是一个概念吗?
huangpuxiang
• Last by
sec
replied at
July 09, 2017
6