大约有 40,000 项符合查询结果(耗时:0.0197秒) [XML]

https://stackoverflow.com/ques... 

How do I disable the 'Debug / Close Application' dialog on Windows Vista?

... tests!\n"); exit(1); } int runtime_check_handler(int errorType, const char *filename, int linenumber, const char *moduleName, const char *format, ...) { printf("Error type %d at %s line %d in %s", errorType, filename, linenumber, moduleName); exit(1); } int main() { DWORD dwMode = ...
https://stackoverflow.com/ques... 

Add custom messages in assert?

... Msg) #else # define M_Assert(Expr, Msg) ; #endif void __M_Assert(const char* expr_str, bool expr, const char* file, int line, const char* msg) { if (!expr) { std::cerr << "Assert failed:\t" << msg << "\n" << "Expected:\t" << expr_str <...
https://stackoverflow.com/ques... 

Make a float only show two decimal places

... IN objective-c, if you are dealing with regular char arrays (instead of pointers to NSString) you could also use: printf("%.02f", your_float_var); OTOH, if what you want is to store that value on a char array you could use: sprintf(your_char_ptr, "%.02f", your_float_va...
https://www.tsingfun.com/it/cp... 

c++提取复数的实部和虚部 - C/C++ - 清泛网 - 专注C/C++及内核技术

...// 实部 REAL i; // 虚部 }; bool Parse(COMPLEX * cp, const char * strCplx, const int len) { memset(cp, 0, sizeof(COMPLEX)); char buf[MAX_BUF_LEN]; int signPos = -1, // +/-号位置 iPos = -1; // 结尾的i的位置 for (int i = len-1; i >-1;...
https://www.tsingfun.com/it/cpp/1280.html 

C++11 tuple 这一篇就够了 - C/C++ - 清泛网 - 专注C/C++及内核技术

... #include <iostream> #include <tuple> int main () { int myint; char mychar; float myfloat; std::tuple<int,float,char> mytuple; mytuple = std::make_tuple (10, 2.6, 'a'); // packing values into tuple //std::tie (myint, std::ignore, mychar) = mytuple; // unpacking...
https://www.tsingfun.com/it/cpp/1342.html 

libcurl网络连接使用tcp/ip - C/C++ - 清泛网 - 专注C/C++及内核技术

...络连接使用tcp ip,部分代码如下:CURL *curl;CURLcode res;const char *request = "GETas.xxxxE测试发送"; curl_socket_t sockfd; * socket * ...部分代码如下: CURL *curl; CURLcode res; const char *request = "GETas.xxxxE测试发送"; curl_socket_t sockfd; /* socket */ l...
https://www.tsingfun.com/it/cpp/1351.html 

c++ 写日志通用类,可设置日志级别 - C/C++ - 清泛网 - 专注C/C++及内核技术

... Log(int nLevel, LPCSTR func, INT line, LPCTSTR fmt, ...); static const char * const LOGGER_LEVEL_NAME[] = {"崩溃", "错误", "警告", "信息", "详细", "调试"}; static const char * const LOGGER_LEVEL_CODE[] = {"FATAL", "ERROR", "WARN ", "INFO ", "VERBOSE", "DEBUG"}; #define logging(nL...
https://www.tsingfun.com/it/cpp/2033.html 

atol 头文件 - C/C++ - 清泛网 - 专注C/C++及内核技术

...数名:atol功能: 把字符串转换成长整型数用法: longatol(const char *nptr);程序例:#include <stdlib.h> #includ...#include <stdlib.h> 函数名: atol 功 能: 把字符串转换成长整型数 用 法: long atol(const char *nptr); 实例: #include <stdlib.h> #include <s...
https://www.tsingfun.com/it/cpp/2136.html 

C++ 通过主机名/域名获取IP - C/C++ - 清泛网 - 专注C/C++及内核技术

...中用到Winsock API 函数,都要用到 Ws2_32.lib void GetHostIP(char *szIPAddr) { WSADATA wsaData; char name[155]; //定义用于存放获得主机名的变量 char *ip; //定义IP地址变量 PHOSTENT hostinfo; //调用MAKEWORD()获得Winsocl版本的正确值...
https://www.tsingfun.com/it/cpp/2455.html 

std::stringstream ss; 直接使用ss.str().c_str() 字符串指针可能导致崩溃 ...

....str().c_str() 字符串指针可能导致崩溃std::stringstream ss;const char* ch = ss str() c_str();call_func(ch);这种写法在系统内存不足时,ss会立马释放内存,字符串指针ch可能会非法访问导致崩溃。代码最好的是 std::stringstream ss; const char* ch = ss...