肖建 2021-04-23 05:10 开发者_JS百科光纤跳线区别李白陈朝薛洋 2021-04-23 05:28 光纤跳线对于很多朋友来说可能比较陌生,但对于网络维护等技术人员都比较熟悉。光纤跳线主要用来做从设备到光纤布线链路
Ruby: 1.9.2 Rails: 3.0beta3 I need some help with associations in Rails 3. I have the following models (see excerpts below):