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How do I find the duplicates in a list and create another list with them?

...sort. – lostsoul29 Mar 13 '17 at 22:49 1 @watsonic: Your "simple switch" fails to reduce the time...
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Is multiplication and division using shift operators in C actually faster?

...ot. – Eric Lippert Jun 15 '11 at 15:49 1 Well, I find expression "(hi << 8) + lo" more inte...
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How is Docker different from a virtual machine?

... answered Jan 13 '16 at 1:49 Shital ShahShital Shah 41.2k88 gold badges176176 silver badges134134 bronze badges ...
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Why is reading lines from stdin much slower in C++ than Python?

...r/bin/time wc -l < temp_big_file would have taken only the remaining .49 seconds! Probably not: cat here had to pay for the read() system calls (or equivalent) which transferred the file from 'disk' (actually buffer cache), as well as the pipe writes to deliver them to wc. The correct test wo...
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How do function pointers in C work?

... answered May 8 '09 at 15:49 Yuval AdamYuval Adam 144k8383 gold badges282282 silver badges380380 bronze badges ...
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What do Clustered and Non clustered index actually mean?

... Thank you! – ChenHuang Aug 19 at 3:49 add a comment  |  ...
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Error-Handling in Swift-Language

...Torres Castro 12.6k66 gold badges5252 silver badges9494 bronze badges ...
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How do I determine the size of an object in Python?

... about every 30 powers of 2 37 bytes +1 byte per additional byte 49 str +1-4 per additional character (depending on max width) 48 tuple +8 per additional item 64 list +8 for each additional 224 set 5th increases to 736; 21nd, 2272; 85th, 8416; 34...
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Learning assembly [closed]

... answered Sep 6 '09 at 10:49 Nick DandoulakisNick Dandoulakis 39.7k1414 gold badges9494 silver badges135135 bronze badges ...
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Passing Data between View Controllers

... answered Mar 6 '11 at 13:49 CalebCaleb 118k1818 gold badges165165 silver badges255255 bronze badges ...