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    <title>wangyida (ruby萌新)</title>
    <link>https://ruby-china.org/wangyida</link>
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    <item>
      <title>在写 CURD 项目时,在 edit 这个方法中 candidate 通过 find_by (id: params [:id]) 一直未 nil,但是在首页展示那边数据没有问题</title>
      <description>&lt;p&gt;&lt;img src="https://l.ruby-china.com/photo/2017/08b8c1c9-fa33-40bc-b945-28e4bdac5ade.png!large" title="" alt=""&gt;
是不是 fid_by 方法掉的不对，困扰好久了...&lt;/p&gt;</description>
      <author>wangyida</author>
      <pubDate>Sat, 19 Aug 2017 22:41:50 +0800</pubDate>
      <link>https://ruby-china.org/topics/33883</link>
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