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How do I exchange keys with values in a dictionary?

... Python 2: res = dict((v,k) for k,v in a.iteritems()) Python 3 (thanks to @erik): res = dict((v,k) for k,v in a.items()) share | improve this answer | follow ...
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How to sort with lambda in Python

... 336 +200 Use a...
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Why does ReSharper tell me “implicitly captured closure”?

... 392 The warning tells you that the variables end and start stay alive as any of the lambdas inside...
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What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?

... | edited May 23 '17 at 12:26 Community♦ 111 silver badge answered Dec 31 '13 at 12:00 ...
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How to redirect to a dynamic login URL in ASP.NET MVC

... 30 I think the main issue is that if you're going to piggyback on the built-in ASP.NET FormsAuthen...
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In Python, if I return inside a “with” block, will the file still close?

...nusual way of course). It is also mentioned in one of the examples of PEP-343 which is the specification for the with statement: with locked(myLock): # Code here executes with myLock held. The lock is # guaranteed to be released when the block is left (even # if via return or by an un...
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Fastest way to extract frames using ffmpeg?

...e frames uncompressed as BMP images: ffmpeg -i file.mpg -r 1/1 $filename%03d.bmp This also has the advantage of not incurring more quality loss through quantization by transcoding to JPEG. (PNG is also lossless but tends to take much longer than JPEG to encode.) ...
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Are non-synchronised static methods thread safe if they don't modify static class variables?

...| edited Nov 17 '15 at 17:38 Sled 15.7k2121 gold badges107107 silver badges143143 bronze badges answered...
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Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively

...| edited Oct 17 '17 at 8:23 user3249027 44144 silver badges1212 bronze badges answered Jan 11 '14 at 15:...
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What happens if a Android Service is started multiple times?

... answered Nov 5 '11 at 11:37 Philipp WendtPhilipp Wendt 2,29811 gold badge1313 silver badges1717 bronze badges ...