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https://www.tsingfun.com/it/cpp/1443.html 

c++ Timer使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

...R_ID); //取消定时器 //.h文件函数申明 afx_msg void OnTimer(UINT_PTR nIDEvent); //.cpp函数定义 void CxxDlg::OnTimer(UINT_PTR nIDEvent) { switch (nIDEvent) { case TIMER_ID: { //do something } break; default: break; } } //定义消...
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CDC:DrawText 多行显示文本(文本自动换行) - C/C++ - 清泛网 - 专注C/C++及内核技术

...T_LEFT | DT_TOP |DT_WORDBREAK | DT_EDITCONTROL, m_pfSongTi);函数原型:int DrawTe...//长文本自动换行 dc.DrawText(str, &rect, DT_LEFT | DT_TOP | DT_WORDBREAK | DT_EDITCONTROL, m_pfSongTi); 函数原型: int DrawText( HDC hDC, // handle to DC LPCTSTR lpString, //...
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deque iterator not dereferencable 问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

...比如: #include<iostream> #include <queue> using namespace std; int main() { queue<int> x; for(int i = 0;i < 10;i++) { x.push(i+1); } while(!x.empty()) { cout << x.front() << " "; x.pop(); x.push(x.front()); ...
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C++虚析构函数解析 - C/C++ - 清泛网 - 专注C/C++及内核技术

...mething() { cout << "Do something in class ClxDerived!" << endl; }; }; int main(){ ClxDerived *p = new ClxDerived; p->DoSomething(); delete p; return 0; } 运行结果:   Do something in class ClxDerived!   Output from the destructor of class ClxDerived! ...
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[完整实例源码]C&C++修改文件只读属性 - C/C++ - 清泛网 - 专注C/C++及内核技术

...后SetFileAttributes修改文件属性。代码如下:#include "stdafx.h"int _...先使用GetFileAttributes获取文件属性,判断该文件是否是只读,然后SetFileAttributes修改文件属性。 代码如下: #include "stdafx.h" int _tmain(int argc, TCHAR* argv[], TCHAR* envp[]...
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error C2220: 警告被视为错误 - 没有生成“object”文件 - C/C++ - 清泛网 ...

...就可以!),不过还是要分析具体原因的。 一般地,是 int 类型与 size_t 类型比较或赋值导致的,如: vector<Foo> fooVec; int index = 0; .. for (index = 0; index < fooVec.size(); ++index) {...} 将index的类型改成 size_t 或 size_t强转int 就...
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ifstream 线程安全读文件 - C/C++ - 清泛网 - 专注C/C++及内核技术

...is, true); std::streambuf* sb = is.rdbuf(); for(;;) { int c = sb->sbumpc(); switch (c) { case '\r': c = sb->sgetc(); if(c == '\n') sb->sbumpc(); return is; case '\n': case EOF: ...
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windows C++ gbk转为utf-8 - C/C++ - 清泛网 - 专注C/C++及内核技术

...utf8编码的中文字符串 //slen是utf8_string字符数组的大小 int multichar_2_utf8(const char *m_string,char *utf8_string,int slen) { int len=0; wchar_t *w_string; //char *utf8_string; //计算由ansi转换为unicode后,unicode编码的长度 len=MultiByteToWide...
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记一次数据库表自增长(Auto Increment)故障 - 数据库(内核) - 清泛网 - ...

...个测试表说明问题: CREATE TABLE IF NOT EXISTS `test` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(100) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB; 然后插入一行问题数据: INSERT INTO test (id, name) VALUES (2147483647, 'x'); 结果导致不能执行...
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Linux Glibc幽灵漏洞允许黑客远程获取系统权 - 操作系统(内核) - 清泛网 - ...

... buffer[1024]; char canary[sizeof(CANARY)]; } temp = { "buffer", CANARY }; int main(void) { struct hostent resbuf; struct hostent *result; int herrno; int retval; /*** strlen (name) = size_needed -sizeof (*host_addr) - sizeof (*h_addr_ptrs) - 1; ***/ size_t len = sizeof(temp.buffer) -16*sizeof(unsig...