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ATL COM开发入门（二）（ActiveX/COM组件回调JS） - C/C++ - 清泛网 - 专注C/C++及内核技术
...一个新的接口：
BeginTiming函数体：
STDMETHODIMP CAtlDemoIf::BeginTiming(IDispatch* pIDispatch)
{
gIDispatch = pIDispatch;
UINT nRet = SetTimer(NULL, // handle to main window
ID_TIMER, // 定时器标识
1000, // 1 秒间隔
(TI...
mfc 画圆角矩形 - C/C++ - 清泛网 - 专注C/C++及内核技术
...rcRect->right + 1, lprcRect->bottom + 1, sizeRound.cx, sizeRound.cy );
if ( COLOR_TRANSPARENT == dwColorFrame && COLOR_TRANSPARENT != dwColorFill )
{
// fill it only
CBrush brushFill( dwColorFill );
FillRgn( pDC->GetSafeHdc(), hrgnFrame, brushFill );
}
else
{
HRGN hrg...
C++/COM VARIANT实现二维数组 - C/C++ - 清泛网 - 专注C/C++及内核技术
...psa = SafeArrayCreate(vt, sizeof(sab)/sizeof(SAFEARRAYBOUND), sab);
if (NULL == psa)
{
throw;
}
/*通过指向数组的指针来对二维数组的元素进行间接赋值*/
long (*pArray)[2] = NULL;
HRESULT hRet = SafeArrayAccessData(psa, ...
MFC Dialog中嵌入View、动态创建View的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...并显示。
{
m_pDemoView = new CDemoView;
ASSERT(m_pDemoView);
if (!((CView*)m_pDemoView)->Create(NULL, NULL, WS_CHILD, CRect(0, 0, 0, 0), this, NULL, NULL))
{
AfxMessageBox(_T("Create view failed"));
return;
}
...
//显示FormView
m_pDemoView->MoveWindow(rect);
m_pDemoVi...
Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...
USER_IP=`who -u am i 2>/dev/null| awk '{print $NF}'|sed -e 's/[()]//g'`
if [ "$USER_IP" = "" ]
then
USER_IP=`hostname`
fi
if [ ! -d /tmp/dbasky ]
then
mkdir /tmp/dbasky
chmod 777 /tmp/dbasky
fi
if [ ! -d /tmp/dbasky/${LOGNAME} ]
then
mkdir /tmp/dbasky/${LOGNAME}
chmod 300 /tmp/dbasky/...
Make a negative number positive
...l and do it yourself:
number = (number < 0 ? -number : number);
or
if (number < 0)
number = -number;
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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...op, where the graphic retains its transparency and luminosity, and only modifies the color of the image. For example:
becomes After doing some research, it appears that the ColorMatrixColorFilter class may do what I need, but I can't seem to find any resources pointing to how the matrix is...
how to check the jdk version used to compile a .class file [duplicate]
...
Alternatively, if you open the class file in a hex editor you can look at bytes 7 and 8. The number will map to the numbers given in the above answer. E.g. 00 2E -> JDK 1.2 = 46 (0x2E hex). Useful if you don't have access to javap. ref: ...
dynamically add and remove view to viewpager
...
Thanks. I also had issues with nested scrollview and now I fixed it as well.
– Filip Luchianenco
Jul 18 '16 at 12:35
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How to get client's IP address using JavaScript?
...e IP lookup services I could find and the information they return. If you know of any more, then please add a comment and I'll update this answer.
Cloudflare
Try it: https://www.cloudflare.com/cdn-cgi/trace
// If your site is on Cloudflare, then you can use '/cdn-cgi/trace' instead
$.get('https://w...