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pre 使用了opencv_contrib中的plot 模块,contrib的安装过程存在问题,如果不能解决,可以把plot.cpp/plot.h相关文件先编译一遍,之后再编译的时候带着obj。 需要一些基础的opencv配置知识,知道涉及到的模块该如何build,如何include step1 g 阅读全文
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IN C gcc 5.4.1 c99 gdb 7.11.1 0X01 array bound are fully determined at compile time. #include <stdio.h> #define R 3 #define C 4 void func(int arr[R][C 阅读全文
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Assume that a piece of memory space is requested by malloc type *ptr = (type *) malloc(num * sizeof(element)); the ptr is the first address of the pie 阅读全文
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assume $num is the number what you assign through scanf or fscanf or sscanf and so on. while (fscanf(fileptr, formatstring, &var1, &var2,...)!=$num) { 阅读全文
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find the variable name translate the operator adjacent to the var name with prioirty translate anthor symbol adjacent to the var in the opposite direc 阅读全文