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很久以前,我在github 上的Rails_uprade插件的帮助下将我的 rails 项目从2.2.2升级到了3.0.0。现在我想将我的代码升级到 Rails 4,我正在寻找指导我的教程。
提前致谢!
这个给你:
Rails Guilds - Ruby on Rails 升级指南