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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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Most efficient way of making an if-elif-elif-else statement when the else is done the most?

... 100 The code... options.get(something, doThisMostOfTheTime)() ...looks like it ought to be faste...
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Are the shift operators () arithmetic or logical in C?

... Basically you need to either test your compiler or not rely on it. My VS2008 help for the current MS C++ compiler says that their compiler does an arithmetic shift. share | improve this answer ...
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C++ Tuple vs Struct

...nchmark code and performance results collected using gcc-4.9.2 and clang-4.0.0: std::vector<StructData> test_struct_data(const size_t N) { std::vector<StructData> data(N); std::transform(data.begin(), data.end(), data.begin(), [N](auto item) { std::random_device rd; ...
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Python int to binary string?

... 800 Python's string format method can take a format spec. >>> "{0:b}".format(37) '100101...
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How to unset max-height?

... Reset it to none: pre { max-height: 250px; } pre.doNotLimitHeight { max-height: none; } Reference share | improve this answer | foll...
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Javascript Functions and default parameters, not working in IE and Chrome

... jucojuco 6,08133 gold badges2222 silver badges4040 bronze badges ...
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php - get numeric index of associative array

... answered Jul 29 '10 at 18:26 FoscoFosco 35.5k66 gold badges7777 silver badges9898 bronze badges ...
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Make footer stick to bottom of page correctly [duplicate]

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How to find out which package version is loaded in R?

...ty cluster. It has 2 versions of R installed. System wide R 2.11 (Debian 6.0) and R 2.14.2 in non-standard location. 12 An...