大约有 47,000 项符合查询结果(耗时:0.0683秒) [XML]

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In Python, what is the difference between “.append()” and “+= []”?

...ase the only difference is performance: append is twice as fast. Python 3.0 (r30:67507, Dec 3 2008, 20:14:27) [MSC v.1500 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import timeit >>> timeit.Timer('s.append("something")', 's...
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How do I rename all files to lowercase?

... answered Oct 16 '11 at 20:39 wjlwjl 6,29011 gold badge2828 silver badges4646 bronze badges ...
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In Matlab, when is it optimal to use bsxfun?

... +500 There are three reasons I use bsxfun (documentation, blog link) bsxfun is faster than repmat (see below) bsxfun requires less typin...
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How to find out which fonts are referenced and which are embedded in a PDF document

...BAAAAA+Arial-Black TrueType yes yes yes 53 0 CAAAAA+Tahoma TrueType yes yes yes 28 0 DAAAAA+Wingdings-Regular TrueType yes yes yes 43 0 EAAAAA+Webdings TrueType yes yes yes ...
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How do you simulate Mouse Click in C#?

...ons { [Flags] public enum MouseEventFlags { LeftDown = 0x00000002, LeftUp = 0x00000004, MiddleDown = 0x00000020, MiddleUp = 0x00000040, Move = 0x00000001, Absolute = 0x00008000, RightDown = 0x00000008, RightUp = 0x00000010 ...
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Linux delete file with size 0 [duplicate]

How do I delete a certain file in linux if its size is 0. I want to execute this in an crontab without any extra script. 8 ...
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How can I catch a ctrl-c event?

...r; sigemptyset(&sigIntHandler.sa_mask); sigIntHandler.sa_flags = 0; sigaction(SIGINT, &sigIntHandler, NULL); pause(); return 0; } share | improve this answer ...
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Python, Matplotlib, subplot: How to set the axis range?

How can I set the y axis range of the second subplot to e.g. [0,1000] ? The FFT plot of my data (a column in a text file) results in a (inf.?) spike so that the actual data is not visible. ...
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drag drop files into standard html file input

...ing works in Chrome and FF, but i've yet to find a solution that covers IE10+ as well: // dragover and dragenter events need to have 'preventDefault' called // in order for the 'drop' event to register. // See: https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Drag_operations#droptarge...
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Javascript fuzzy search that makes sense

... 10 Answers 10 Active ...