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How do you detect where two line segments intersect? [closed]

... otherwise they are collinear and disjoint. Note that if s and r point in opposite directions, then s · r < 0 and so the interval to be checked is [t1, t0] rather than [t0, t1]. If r × s = 0 and (q − p) × r ≠ 0, then the two lines are parallel and non-intersecting. If r × s...
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Why use pip over easy_install? [closed]

...ill never be in easy_install. For example, pip makes it easy to clone your site-packages by building a requirements file and then installing it with a single command on each side. Or to convert your requirements file to a local repo to use for in-house development. And so on. The only good reason ...
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Protect .NET code from reverse engineering?

...hough. I was shocked when I first found cracks for my software on torrent sites. – mmcdole Feb 4 '09 at 20:20  |  show 11 more comments ...
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Try-catch speeding up my code?

...s favors the code with the try-catch block. Different code may lead to the opposite effect, so I would not count this as a general-purpose speed-up technique. In the end, it's very hard to tell which code will end up running the fastest. Something like register allocation and the factors that influ...
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How does Google Instant work?

...\x22\\x3eA language-independent collaboratively edited question and answer site for programmers.\\x3cbr\\x3e\\x3cspan class\\x3df\\x3e\\x3ccite\\x3e\\x3cb\\x3estackoverflow\\x3c/b\\x3e.com/\\x3c/cite\\x3e - \\x3cspan class\\x3dgl\\x3e\\x3ca href\\x3d\\x22http://webcache.googleusercontent.com/search?...
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Application Skeleton to support multiple screens

...evice screen Ldpi- 75% Mdpi- 100% (base according to Android developer site) Hdpi- 150% XHdpi- 200% But as we know now most of device coming with 480X800 so I'm consider this as based device, so our new calculation will like this Ldpi- 50% Mdpi- 66.67% Hdpi- 100% XHdpi- 133.33% which...
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What is sr-only in Bootstrap 3?

... a complex navigation or ads before the main content. If you want your site to interact even more with screen readers, use W3C standardized ARIA attributes and I definitely recommend to visit the Google online course, which will take only up to 1-2h or at least watch a Google's 40min video...
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What are bitwise shift (bit-shift) operators and how do they work?

...w level operations of a CPU, a good optimizing compiler would do the exact opposite, that is, turning ordinary multiplications by powers of two into bit shifts. – Mahn Jun 14 '13 at 11:45 ...
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C# - Selectively suppress custom Obsolete warnings

...ppress errors. It might be a syntax problem, post it as a question on this site, and you'll certainly get a good answer. – Jordão Jan 20 '15 at 10:42 add a comment ...
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In Python script, how do I set PYTHONPATH?

... on Linux-like systems, ; on Windows). You can also add directories using site.addsitedir, and that method will also take into account .pth files existing within the directories you pass. (That would not be the case with directories you specify in PYTHONPATH.) ...