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        <title>FAIRYFAR-INTERNAL wiki:Coding:Others</title>
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       <dc:date>2026-04-28T01:21:47+0800</dc:date>
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        <title>FAIRYFAR-INTERNAL</title>
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        <dc:date>2023-06-17T21:25:18+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>wiki:Coding:Others:MATLAB 3D绘图实例</title>
        <link>http://200yi.com/ff_internal/wiki.php?id=wiki:Coding:Others:MATLAB%203D%E7%BB%98%E5%9B%BE%E5%AE%9E%E4%BE%8B&amp;rev=1687008318&amp;do=diff</link>
        <description>功能

使用MATLAB绘制三维图，绘图数据来自data.dat文件，该文件是个文本文件，分成三列，第1列是x轴坐标，第2列是y坐标，第3列是value。

data.dat格式如下：


 -8.00E+00 -1.48E+01   -1.589181046E+00
 -7.60E+00 -1.48E+01   -2.881335302E+01
 -7.20E+00 -1.48E+01   -1.269800896E-01
 -6.80E+00 -1.48E+01    7.118769863E-01</description>
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        <dc:date>2023-06-17T21:25:18+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>wiki:Coding:Others:编程术语杂编</title>
        <link>http://200yi.com/ff_internal/wiki.php?id=wiki:Coding:Others:%E7%BC%96%E7%A8%8B%E6%9C%AF%E8%AF%AD%E6%9D%82%E7%BC%96&amp;rev=1687008318&amp;do=diff</link>
        <description>RedZone

假设使用 AddressSanitizer 探测内存违规访问问题，用户需要malloc 5字节内存：


char *p = malloc(5);


AddressSanitizer 将实际分配的内存会大于请求的内存，假设实际分配32字节，那么前16个字节q[0~15]，就是该内存堆的“left red zone”，然后是5字节用户数据区，最后11个字节数内存堆的“right red zone”。最终将 q[16] 作为malloc地址返回给用户。</description>
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        <dc:date>2023-06-17T21:25:18+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>wiki:Coding:Others:在批处理文件中遍历参数</title>
        <link>http://200yi.com/ff_internal/wiki.php?id=wiki:Coding:Others:%E5%9C%A8%E6%89%B9%E5%A4%84%E7%90%86%E6%96%87%E4%BB%B6%E4%B8%AD%E9%81%8D%E5%8E%86%E5%8F%82%E6%95%B0&amp;rev=1687008318&amp;do=diff</link>
        <description>批处理文件中可引用的参数为%0~%9，%0是指批处理文件的本身，也可以说是一个外部命令；%1~%9是批处理参数，也称形参；而替换形参的实参若超过了批处理文件中所规定数值（9个）且想在批处理文件中应用这些实参的话，就需要自己shift实现了！</description>
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