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    <title>chenryn (chenryn)</title>
    <link>https://ruby-china.org/chenryn</link>
    <description></description>
    <language>en-us</language>
    <item>
      <title>gem mirror 的 generate_index 运行出错</title>
      <description>&lt;p&gt;用 gem mirror 同步一个镜像。然后执行 generate_index 有问题，--debug 看主要是这两行：
Exception &lt;code&gt;NoMethodError' at /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/package/tar_reader.rb:71 - undefined method&lt;/code&gt;seek' for #&lt;a rel="nofollow" target="_blank"&gt;Zlib::GzipReader:0x0000001d4c0370&lt;/a&gt;
Exception &lt;code&gt;NoMethodError' at /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/package/tar_reader/entry.rb:126 - undefined method&lt;/code&gt;readpartial' for #&lt;a rel="nofollow" target="_blank"&gt;Gem::Package::TarReader::Entry:0x0000001d4c0410&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;狂刷~
我看 tar_reader/entry.rb 里用的是 io.read 啊，为什么会报 readpartial 的问题？  &lt;/p&gt;</description>
      <author>chenryn</author>
      <pubDate>Wed, 27 Jun 2012 20:57:25 +0800</pubDate>
      <link>https://ruby-china.org/topics/4019</link>
      <guid>https://ruby-china.org/topics/4019</guid>
    </item>
    <item>
      <title>怎样用 A 变量的值作为 B 变量的名啊？</title>
      <description>&lt;p&gt;比方
i=1
data1=123
p data#{i}的结果是 data1，我想要 123 怎么做？  &lt;/p&gt;</description>
      <author>chenryn</author>
      <pubDate>Fri, 11 May 2012 16:36:23 +0800</pubDate>
      <link>https://ruby-china.org/topics/3217</link>
      <guid>https://ruby-china.org/topics/3217</guid>
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