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	<title>源代码 - 四号程序员</title>
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		<title>学习Xapian(2) - 拼写校正</title>
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		<pubDate>Tue, 27 Sep 2011 15:43:22 +0000</pubDate>
				<category><![CDATA[C && C++]]></category>
		<category><![CDATA[搜索技术]]></category>
		<category><![CDATA[Xapian]]></category>
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					<description><![CDATA[Xapian提供了拼写校正功能，其基本算法就是编辑距离，只不过它支持UTF-8，也就是说是支持中文的。 1、建立拼写校正辞典 虽然编辑距离的算法很土很原始，但是Xapian提供了方便的接口建立辞典，至少有如下两种方式： (1)Xapian::WritableDatabase.db.add_spelling(word, freq) word就是正确的词，freq是出现频率，默认是1。 频率的作用是这样的，如果对于一个词比如篮球和蓝球，前者add了4次，后者出现了3词，那么当对"兰[......] 继续阅读]]></description>
		
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		<title>Naive Bayes的Python实现</title>
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		<pubDate>Tue, 03 May 2011 02:37:09 +0000</pubDate>
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					<description><![CDATA[明天考试，可以带电脑，先写好了程序，省的按计算器……直接上Python的源代码。 [python] #Naive Bayes #Calculate the Prob. of class:cls def P(data,cls_val,cls_name=&#34;class&#34;): cnt = 0.0 for e in data: if e[cls_name] == cls_val: cnt += 1[......] 继续阅读]]></description>
		
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		<title>在GTK中，如果定时让程序去作某件事，使用g_timeout_add</title>
		<link>https://www.coder4.com/archives/1049</link>
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		<pubDate>Sat, 09 Oct 2010 02:50:28 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[gtk]]></category>
		<category><![CDATA[图形界面开发]]></category>
		<category><![CDATA[多线程]]></category>
		<category><![CDATA[定时]]></category>
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					<description><![CDATA[转载自：http://blog.csdn.net/ustcxiangchun/archive/2009/09/01/4508086.aspx 这个例子的作用就是把当前时间显示到窗口中，即显示了一个实时时钟。 //~~~~~~~ begin of program ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #include &#60;cairo.h&#62; #include &#60;gtk/gtk.h&#62; #include &#60;time.h[......] 继续阅读]]></description>
		
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