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Linux automake自动编译全攻略 - C/C++ - 清泛网 - 专注C/C++及内核技术
...st.c:
#include <stdio.h>
#include "lib/calc.h"
int main(int argc, char** argv)
{
int sum = add(1, 2);
printf("sum:%d\n", sum);
return 0;
}
编译及执行结果:
执行:
代码点此下载:automake.zip
Linux automake 自动编...
c++文件流基本用法(ifstream, ostream,fstream) - C/C++ - 清泛网 - 专注C/C++及内核技术
...二: 读文件
#include <fstream.h>
void main
{
ifstream file;
char output[100];
int x;
file.open("file.txt");
file>>output;
cout<<output;
file>>x;
cout<<x;
file.close();
}
上面所讲的ofstream和ifstream只能进行读或是写,而fstream则同时...
MiniDumpWriteDump 记录dmp文件的简单实例(附调试方法) - C/C++ - 清泛网...
...LONG WINAPI ExceptionHandler(LPEXCEPTION_POINTERS pExceptionPointers)
{
char szFile[MAX_PATH] = {0};
SYSTEMTIME st = {0};
GetLocalTime(&st);
sprintf_s(szFile, "xxx_%d%02d%02d_%02d%02d%02d.dmp",
st.wYear,
st.wMonth,
st.wDay,
st.wHour,
st.wMinute,
st.wSecond);
HANDLE hD...
error C2512: “Foo”: 没有合适的默认构造函数可用 - C/C++ - 清泛网 - 专...
...
Foo(int i):ival(i){}
private:
int ival;
};
int main(int argc, char *argv[])
{
vector<Foo> empty;
vector<Foo> bad(10);
vector<Foo> ok(10,1);
return 0;
}
解决办法: 实际上根据c++ primer第四版解释构造空的vector时是不调用对象的构造函数...
GetNextDlgTabItem用法详解,回车替代Tab键切换控件焦点 - C/C++ - 清泛网 ...
... == VK_RETURN)
{
CWnd *wnd = GetFocus();
if (wnd != NULL)
{
char str[256];
CString ClassName = _T("Button");
GetClassName (wnd->m_hWnd, str, 256);
if (ClassName == str)
{
UINT i = wnd->GetDlgCtrlID();
SendMessage (WM_COMMAND, i, (LPARAM)wnd->m_hWnd);
CWn...
MFC 日期时间控件CDateTimeCtrl自绘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...nFunc.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
CMyDateTime::CMyDateTime()
{
m_nIDLeft = m_nIDRight = m_nIDCenter = 0;
//m_nIDListLeft, m_nIDListRight, m_nIDListTop, m_nIDListBot = 0;
m_pfDefault = ::GetFont(_T("微软雅黑...
c/c++ volatile和mutable关键字 - C/C++ - 清泛网 - 专注C/C++及内核技术
...const,其某个成员也可以被修改。如:
struct data
{
char name[30];
mutable int accesses;
};
const data veep = {"hello", 0};
strcpy(veep.name, "hel"); //not allowed
veep.accessess++; //allowed
veep的const限定符进制程序修改veep的成员,但access成员的mut...
c++11右值引用、std::move移动语义、std::forward完美转发的一些总结 - C/C...
...还能拷贝构造,保障代码安全。对于一些基本类型如int和char[10]等,使用std::move()仍然会发生拷贝,因为没有对应的移动构造函数。
对于完美转发而言,右值引用并非“天生神力”,只是c++11新引入了右值,因此为其新定下了引...
window+nginx+php-cgi的php-cgi线程/子进程问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
/* Pre-fork, if required */
if (getenv("PHP_FCGI_CHILDREN")) {
char * children_str = getenv("PHP_FCGI_CHILDREN");
...
So, php with fast-cgi will **never** work on Windows.
The question is, why is forking disabled under windows?
-------------https://bugs.php.net/bug.ph...
Linux automake自动编译全攻略 - 脚本技术 - 清泛IT社区,为创新赋能!
...nclude <stdio.h>
#include "lib/calc.h"
int main(int argc, char** argv)
{
int sum = add(1, 2);
printf("sum:%d\n", sum);
r...