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too few arguments to function cvSaveImage
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CVAPI(int) cvSaveImage(const char*  filename, const CvArr* image, const int* params CV_DEFAULT(0)
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fork compare to exec in linux c program

pid_t  pid=fork()
it has 3 situation for the return result pid
0  child
>0 parent process
<0 fork fail
fork create a new process  and it parent live alse when the child process had been created ......

ÈçºÎʹÓ÷ºÐÍÄ£擬virtual? (C/C++) (template)

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http://topic.csdn.net/u/20100524/14/0eff992a-2849-4db6-bdaa-d4a200e79b7c.html
Çë·Ö±ðÓÃC++µÄÃæÏò¶ÔÏóºÍ·ºÐÍ»úÖÆ£¬±àдʵÏÖTemplate MethodģʽµÄʾÀý´úÂ룬²¢±È½ÏÁ½ÖÖ·½Ê½¸÷×ÔµÄÓÅȱµã¡£
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·ºÐ͵ ......

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#include <iostream>
#include <conio.h>
using namespace std;
typedef struct _INTTEST
{
        int a;        
}inttest;
int main()
{
    inttest* p=new inttest[3];
    p[1].a=10;
    cou ......

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CûÓжÔ×Ö·û´®×Ó´®Ìæ»»¹¦ÄÜ,ËùÒÔÎÒ×Ô¼ºÐ´ÁËÒ»¸östr_replaceº¯Êý,ʵÏÖÁË×Ö·û´®Ìæ»».
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/*
 * FUNCTION     : str_replace
 *
ABSTRACT     : replace child string in a string.
 *
PARAMETER  &nbs ......

ÈçºÎÔÚLinuxʹÓÃEclipse + CDT¿ª·¢C/C++³ÌÐò?

A. ΪʲôҪÔÚLinuxʹÓÃEclipse¿ª·¢C/C++³ÌÐò?
LinuxÊÇÒ»¸öÒÔC/C++¿ª·¢ÎªÖ÷µÄƽ̨£¬ÎÞÂÛÊÇKernel»òÊÇApplication£¬Ö÷Òª¶¼Ê¹ÓÃC/C++¿ª·¢¡£´«Í³ÔÚLinuxÏ¿ª·¢³ÌÐò£¬ÊÇÔÚÎÄ×ÖģʽÏ£¬ÀûÓÃviµÈÎÄ×ֱ༭Æ÷׫дC/C++³ÌÐò´æÅ̺ó£¬ÔÚCommand lineÏÂʹÓÃgcc±àÒ룬ÈôÒªdebug£¬ÔòʹÓÃgdb¡£
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