申勇 2021-04-23 00:38 时光荏苒，母亲您离开我们一周年了，您的音容笑貌还常常浮现在我的眼前。在母亲您走后的这些日日夜夜，我无时不在想念着您，想的我好心痛，如果世上真有仙鹤，能上通天堂下到阴曹，请您
Ruby: 1.9.2 Rails: 3.0beta3 I need some help with associations in Rails 3. I have the following models (see excerpts below):
加载中,请稍侯......