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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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1¡¢http://snippets.dzone.com/tag/c/ --ÊýÒÔǧ¼Æ ......
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 ......
±¾ÎÄÒÔ¼Ó·¨ÎªÀý£º[code]
//----------------------------------------------------
//adder.c
//---------------------------------------------------
void adder(int a, int b, int *sum)
{
*sum = a + b;
}
[/code][size=3]
[/size]
HLS¹¤¾ß£¨AutoPilot£©×ÛºÏÖ®ºóµÄ½á¹ ......
extern "C"
extern "C"°üº¬Ë«Öغ¬Ò壬ÆäÒ»£º±»ËüÐÞÊεÄÄ¿±êÊÇ“extern”µÄ£»Æä¶þ£º±»ËüÐÞÊεÄÄ¿±êÊÇ“C”µÄ¡£
1£©±»extern “C”ÏÞ¶¨µÄº¯Êý»ò±äÁ¿ÊÇexternÀàÐ͵ģ»
externÊÇC/C++ÓïÑÔÖбíÃ÷º¯ÊýºÍÈ«¾Ö±äÁ¿×÷Ó÷¶Î§£¨¿É¼ûÐÔ£©µÄ¹Ø¼ü×Ö£¬¸Ã¹Ø¼ü×Ö¸æËß±àÒëÆ÷£¬ÆäÉùÃ÷µÄº¯ ......
server:
import sys
import socket
host = sys.argv[1]
port = int(sys.argv[2])
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind((host,port))
while 1:
try:
&n ......