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	<title>《Rails Rdoc笔记：respond_to》的评论</title>
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	<description>关注Ruby和Rails的学习与开发</description>
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		<title>作者：CFC</title>
		<link>http://railser.cn/blog/rails-rdoc-respond_to/comment-page-1#comment-35</link>
		<dc:creator>CFC</dc:creator>
		<pubDate>Fri, 23 Jan 2009 13:42:39 +0000</pubDate>
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		<description>自動加減似乎沒法做到
只能用:
increment!, decrement!, update_counter
來做了</description>
		<content:encoded><![CDATA[<p>自動加減似乎沒法做到<br />
只能用:<br />
increment!, decrement!, update_counter<br />
來做了</p>
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