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https://www.tsingfun.com/it/cpp/671.html 

如何判断GIF是否是动图 - C/C++ - 清泛网 - 专注C/C++及内核技术

...若是单图像会发现JFIF的标识,若为动图,则会出现GIF。charstrGIF[3];memcpy( strGIF, pbyImag...用记事本(或其他文本工具)打开图像文件,若是单图像会发现JFIF的标识,若为动图,则会出现GIF。 char strGIF[3]; memcpy( strGIF, pbyImageBuffe...
https://www.tsingfun.com/it/cpp/1276.html 

boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术

...st::multi_index_container; using namespace boost::multi_index; typedef char IDType[81]; struct TParam { IDType ID; bool IsValid; }; typedef TParam* TParam_p; struct TParamIDIndex { }; struct TParamValidIndex { }; struct customize_compare { int operator()(const IDType l, cons...
https://www.tsingfun.com/it/cpp/1361.html 

一个宏命令,就可以程序崩溃时生成dump文件 - C/C++ - 清泛网 - 专注C/C++及内核技术

... if(pOrgEntry == NULL) return FALSE; unsigned char newJump[ 100 ]; DWORD dwOrgEntryAddr = (DWORD) pOrgEntry; dwOrgEntryAddr += 5; // add 5 for 5 op-codes for jmp far void *pNewFunc = &MyDummySetUnhandledExceptionFilter; DWORD dwNewEn...
https://www.tsingfun.com/it/cpp/1362.html 

VS2005中SetUnhandledExceptionFilter函数应用 - C/C++ - 清泛网 - 专注C/C++及内核技术

... "SetUnhandledExceptionFilter"); if (addr) { unsigned char code[16]; int size = 0; code[size++] = 0x33; code[size++] = 0xC0; code[size++] = 0xC2; code[size++] = 0x04; code[size++] = 0x00; DWORD dwOld...
https://www.tsingfun.com/it/cpp/1423.html 

CMap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...p就是对Hash表的一种实现。先上实例: int _tmain(int argc, char* argv[]) { //定义 typedef CMap<int, int, CString, CString> CMapInt; CMapInt map; //添加key,val map.SetAt(1, "str1"); map.SetAt(2, "str2"); map.SetAt(3, "str3"); map.SetAt(1, "str11"); //把st...
https://www.tsingfun.com/it/cpp/1447.html 

WSAAsyncSelect模型 - C/C++ - 清泛网 - 专注C/C++及内核技术

... } break; case FD_WRITE: { } break; case FD_READ: { char szText[1024]={0}; if(recv(s,szText,1024,0)==-1) closesocket(s); else { GetDlgItemText(IDC_EDIT1,strContent); if(!strContent.IsEmpty()) { strContent+="\r\n"; } CString s...
https://www.tsingfun.com/it/cpp/1493.html 

SHFileOperation 这个API函数怎么用起来结果飘忽不定? - C/C++ - 清泛网 -...

...符查找文件,核心代码如下: WIN32_FIND_DATA FindFileData; char szCurPath[MAX_PATH + 1] = { 0 }; GetCurrentDirectory(MAX_PATH, szCurPath); CString findFileName; findFileName.Format("%stest*.txt", szCurPath); HANDLE hFind = ::FindFirstFile(findFileName, &FindFileData); if(INVALI...
https://www.tsingfun.com/it/cpp/1576.html 

截图软件截图区域以外背景变灰的实现--AlphaBlend - C/C++ - 清泛网 - 专注...

...--------画黑色背景---------------- COLORREF bgColor = RGB(0, 0, 0); char alpha = (255 * 30) / 100; int screenX = GetSystemMetrics(SM_CXSCREEN); int screenY = GetSystemMetrics(SM_CYSCREEN); CDC memdc; memdc.CreateCompatibleDC(&dc); CBitmap bmp, *pOldBitmap; bmp.CreateCompatibleBitmap(&...
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Unicode and UTF-8 - C/C++ - 清泛网 - 专注C/C++及内核技术

...)、和ASCII码不兼容,而且不太好移植(Not Portable) 例如:char *s=“Good ,北京”;该C语言代码采用UTF-16编码后,字节序列中间有许多&rsquo;\0&rsquo;,&rsquo;\0&rsquo; 会被识别为字符串的终止,strlen()函数不起用了。 2)、存储空间较大,...
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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...