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Circle-Rectangle collision detection (intersection)

... the circle. Note that this does not require the rectangle to be axis-parallel. (One way to see this: if none of the edges has a point in the circle (if all the edges are completely "outside" the circle), then the only way the circle can still intersect the polygon is if it lies completely ins...
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How to detect iPhone 5 (widescreen devices)?

... First of all, you shouldn't rebuild all your views to fit a new screen, nor use different views for different screen sizes. Use the auto-resizing capabilities of iOS, so your views can adjust, and adapt any screen size. That's not v...
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How to limit the amount of concurrent async I/O operations?

... Stephen Toub, but the less announced news is that the async semaphore actually made it into the Beta release of .NET 4.5 If you look at our beloved SemaphoreSlim class (which you should be using since it's more performant than the original Semaphore), it now boasts the WaitAsync(...) series of ove...
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ERROR: Error installing capybara-webkit:

... path to where qt5 is installed. export QMAKE=/usr/local/Cellar/qt5/5.5.1_1/bin/qmake – Seth Jeffery Nov 16 '15 at 8:59 ...
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Combining Multiple Commits Into One Prior To Push

...its at once. Many times, you may want to break your work down into a few small, logical commits, but only push them up once you feel like the whole series is ready. Or you might be making several commits locally while disconnected, and you push them all once you're connected again. There's no reason...
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Understanding Python's “is” operator

What does it really mean? 11 Answers 11 ...
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Fill remaining vertical space with CSS using display:flex

... <header> header: sized to content <br/>(but is it really?) </header> <div> main content: fills remaining space<br> x <br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br> <!-- unc...
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Proper way to use **kwargs in Python

...*kwargs): ...etc... this is not true. In the latter case, f can be called as f(23, 42), while the former case accepts named arguments only -- no positional calls. Often you want to allow the caller maximum flexibility and therefore the second form, as most answers assert, is preferable: but ...
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git command to move a folder inside another

... Command: $ git mv oldFolderName newFolderName It usually works fine. Error "bad source ..." typically indicates that after last commit there were some renames in the source directory and hence git mv cannot find the expected file. The solution is simple - just commit before ...
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How do you turn a Mongoose document into a plain object?

...ng is that JSON.parse(JSON.encode(doc)) works and returns an object with all of the correct properties. Is there a better way to do this? ...