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Favicon dimensions? [duplicate]

...upport possible. You upload an image and this site gives you the code, the converted images and a browserconfig file. We could simply upload a favicon manually to our website of 16x16 and it will probably show up in almost any browser. But when you will mark it as one of your favorites on your s...
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Visual studio long compilation when replacing int with double

... Omg, Microsoft, you're kidding me... Tnx for help, it's truly MSSE and .Net 4.0+ who are culprits – Alex Zhukovskiy Jun 7 '14 at 17:07 ...
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Occurrences of substring in a string

...at this might or might not return the result expected. With substring "aa" and string to search "aaa" the number of occurences expected may be one (returned by this code), but may be two as well (in this case you'll need "lastIndex++" instead of "lastIndex += findStr.length()") depending on what you...
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C++11 tuple 这一篇就够了 - C/C++ - 清泛网 - 专注C/C++及内核技术

...法: #include <iostream> #include <tuple> #include <functional> int main() { auto t1 = std::make_tuple(10, "Test", 3.14); std::cout << "The value of t1 is " << "(" << std::get<0>(t1) << ", " << std::get<1>(t1) << ", " << std::get<2>(t1) << ")\n"; ...
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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

...e LEVEL_INFO 3 #define LEVEL_VERBOSE 4 #define LEVEL_DEBUG 5 static int nLoggerLevel = LEVEL_INFO; void SetLoggerLevel(int nLevel); void 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...
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CMap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...高你的效率。CMap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...
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c++ boost库 序列化与反序列化 - C/C++ - 清泛网 - 专注C/C++及内核技术

...<typename Archive>void serialize(Archive& ar, TOrder & obj, const unsigned int ver...1、定义类/结构体序列化函数: template <typename Archive> void serialize(Archive& ar, TOrder & obj, const unsigned int version = SERIALIZATION_VERSION) { ar & BOOST_SERIALIZATION_NVP(obj.Pa...
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register int i;的含义 - C/C++ - 清泛网 - 专注C/C++及内核技术

register int i;的含义register声明的作用是为了提高效率。它明确要求CPU把变量始终保存在寄存器里面,直至它消亡。不过现代编译器都很厉害,根本不需要你多此一...register声明的作用是为了提高效率。 它明确要求CPU把变量始终...
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C/C++ 如何向上取整? - C/C++ - 清泛网 - 专注C/C++及内核技术

...向上取整?一般地,向上取整有两种方法:#include <math.h>int _tmain(int argc, _TCHAR* argv[]){int a = 6, b = 5; ceil函数printf("%d...一般地,向上取整有两种方法: #include <math.h> int _tmain(int argc, _TCHAR* argv[]) { int a = 6, b = 5; //ceil函数 p...
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error C2780: \'void __cdecl std::sort(_RI,_RI,_Pr)\' : expects 3 argum...

...emplate parameter '_RI' is ambiguous could be 'class std::reverse_iterator<int *,int,int &,int *,int>' or 'int *' 代码如下: #include <iostream> #include <algorithm> #include <vector> using namespace std; void main() { vector<int> ivec1(10,1); sort(ive...