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Algorithm to detect intersection of two rectangles?
...e = v(n) - v(n-1)
You can get a perpendicular to this by rotating it by 90°. In 2D this is easy as:
rotated.x = -unrotated.y
rotated.y = unrotated.x
So no trigonometry or slopes involved. Normalizing the vector to unit-length is not required either.
If you want to test if a point is on o...
MFC OnEraseBkgnd浅析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...这个模式不设置的话会导致图片严重失真
pDC->StretchBlt(0, 0, rect.Width(), rect.Height(), &dcMem, 0, 0, bm.bmWidth,bm.bmHeight,SRCCOPY);
dcMem.SelectObject(pOldBitmap);
return TRUE;
}
2、来我们让STATIC控件透明吧
HBRUSH CDisplayBmpBackGroundDlg::OnCtlColor(...
pip broke. how to fix DistributionNotFound error?
...wPtoneNewPtone
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Completely uninstall PostgreSQL 9.0.4 from Mac OSX Lion?
...jor differences. I'm running Lion and I'm trying to uninstall PostgreSQL 9.0.4. I've looked at the last question and the link that it referenced, but I did not find a file called "uninstall-postgresql" when I run this command:
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C# equivalent of the IsNull() function in SQL Server
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How to install multiple python packages at once using pip
... installed wsgiref and boto in a clean virtualenv):
$ pip freeze
boto==2.3.0
wsgiref==0.1.2
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
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I'm not AMD or speaking for them, but I would have done it the same way. Because zeroing the hi...
Why is not in HTML 5 Tag list while is?
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answered Feb 14 '10 at 3:23
ChuckChuck
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Visual Studio 2013 and BitBucket
Visual Studio 2013 apparently has some nice slick Git integration.
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Fastest way to check if a string is JSON in PHP?
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