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How to get current date time in milliseconds in android [duplicate]
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@Leo hope you have read my edits , which is same point you mentioned.
– edwin
Feb 14 '19 at 8:58
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Why do I get “a label can only be part of a statement and a declaration is not a statement” if I hav
... scope the way you would need to inside a block.
#include <stdio.h>
int main ()
{
printf("Hello ");
goto Cleanup;
Cleanup: ; //This is an empty statement.
char *str = "World\n";
printf("%s\n", str);
}
...
小偷与程序员 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...家,一民警迎面巡逻而来。突然对我大喊:站住!民警:int类型占几个字节?我:4个。民警:你可以走了。我感到很诧异。我:为什么...一晚下班回家,一民警迎面巡逻而来。突然对我大喊:站住!
民警:int类型占几个字节?
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浮点数在内存中的表示 - C/C++ - 清泛网 - 专注IT技能提升
...子:
#include "stdafx.h"
#include <string.h>
#include <limits>
int _tmain(int argc, _TCHAR* argv[])
{
float f1 = FLT_MIN;
printf("%f\n", f1);
f1 = FLT_MAX;
printf("%f\n", f1);
// 0 10000101 11110110000000000000000
void * p = (void *)0x42fb0000;
memcpy(&f1, &p, 4);
printf...
NtMapViewOfSection注入 - C/C++ - 清泛网 - 专注C/C++及内核技术
...l *func_NtMapViewOfSection) ( HANDLE, HANDLE, LPVOID, ULONG, SIZE_T, LARGE_INTEGER*, SIZE_T*, SECTION_INHERIT, ULONG, ULONG );
func_NtMapViewOfSection NtMapViewOfSection = NULL;
LPVOID NTAPI MyMapViewOfFileEx( HANDLE hProcess, HANDLE hFileMappingObject, DWORD dwDesiredAccess, DWORD dwFileOff...
fstream默认不支持中文路径和输出整数带逗号的解决办法 - C/C++ - 清泛网 -...
... if( !outfile )
{
cout << "Failed to create file!";
return ;
}
int i = 123456789;
outfile << "i = " << i << "/n"; //输出带逗号
outfile.close();
setlocale( LC_ALL, "C" ); //恢复全局locale,如果不恢复,可能导致cout无法输出中文
}
创建文...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注IT技能提升
...值给CComQIPtr的时候,CComQIPtr会自动的调用接口指针的QueryInterface接口,来获得对应的正确的接口指针。CComPtr和CComQIPtr是智能接口指针类,它们在销毁的时候,不需要手动去释放接口指针,在赋值的时候,也不需要手动的AddRef,在...
C++ template中typename和class的区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...时除外。
For example:
using namespace std;
template <class T> int vcount(vector<T> v) {
int i;
typename vector<T>::iterator vi;
for(i=0,vi=v.begin(); vi!=v.end(); i++,vi++)
;
return(i);
}
更详细的可以参考MSDN资料:
http://blogs.msdn.com/b/sli...
c++获取windows程序的版本号 - C/C++ - 清泛网 - 专注C/C++及内核技术
...clude <windows.h>
#include <atlstr.h>
#pragma comment(lib, "version")
int _tmain(int argc, _TCHAR* argv[])
{
LPCTSTR lpszModuleName = _T("C:\\Windows\\notepad.exe");
// Get the version information size for allocate the buffer
DWORD dwHandle;
DWORD dwDataSize = ::GetFileVersi...
WSAAsyncSelect模型 - C/C++ - 清泛网 - 专注C/C++及内核技术
...柄,当有网络事件发生时,便向这个窗口发送消息。
int WSAAsyncSelect(
SOCKET s, //需要设置的套接字句柄
HWND hWnd, //指定一个窗口句柄, 套接字的通知消息将被发到此窗口中
u_int wMsg, //网络事件到来...