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Rails formatting date
...lendar date, reduced accuracy, specific century
%Y%j => 2007323 Ordinal date (basic)
%Y-%j => 2007-323 Ordinal date (extended)
%GW%V%u => 2007W471 Week date (basic)
%G-W%V-%u => 2007-W47-1 ...
Regarding 'main(int argc, char *argv[])' [duplicate]
...
@barnes - The maximum is OS dependent. In Win32 the command line itself has a length limit of 32K, so argc has a practical limit of 16K.
– Jesse Chisholm
Feb 10 '16 at 14:26
...
get path for my .exe [duplicate]
...
in visualstudio 2008 you could use this code :
var _assembly = System.Reflection.Assembly
.GetExecutingAssembly().GetName().CodeBase;
var _path = System.IO.Path.GetDirectoryName(_assembly) ;
...
how to clear the screen in python [duplicate]
... To avoid the 0 (system's return value) being shown, use absolutely_unused_variable = os.system("cls") or absolutely_unused_variable = os.system("clear")
– Shiva
Jul 4 '15 at 8:01
...
Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
... what do you do if env has a lot of rvm stuff in it still? like rvm_dump_environment_flag=0 etc...
– jcollum
Apr 22 '12 at 21:28
5
...
CMap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...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(1, "s...
c++ Timer使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...均提供实例参考。窗口应用程序使用Timer：
#define TIMER_ID 1000 //定时器ID，可任意。触发后回调函数中用于区别不同的定时器以执行不同的任务
SetTimer(TIMER_ID, 1000 , NULL); //启动定时器，1秒后触发
KillTimer(TIMER_ID); //取消定时器
...
c++读注册表 - C/C++ - 清泛网 - 专注C/C++及内核技术
c++读注册表直接上代码：CString key;key.Format(_T("Software Microsoft Windows CurrentVersion App Paths xxx"));HKEY hKey;LONG rc = R...直接上代码：
CString key;
key.Format(_T("Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\xxx"));
HKEY hKey;
LONG rc = Reg...
MFC 多线程编程简单实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...D lpParam)
{
printf("ThreadProc\n");
return -1;
}
int _tmain(int argc, _TCHAR* argv[])
{
DWORD dwThreadId;
HANDLE hThread = CreateThread(
NULL,
0,
ThreadProc,
NULL, // 需要传递给回调...
MFC OnKeyDown没反应，不响应键盘操作 - C/C++ - 清泛网 - 专注C/C++及内核技术
...应，通常是通过OnKeyDown函数来完成消息的捕捉和响应。afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, U...在MFC中添加键盘的消息响应，通常是通过OnKeyDown函数来完成消息的捕捉和响应。
afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
.....