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Why not inherit from List?

... What is the correct C# way of representing a data structure, which, "logically" (that is to say, "to the human mind") is just a list of things with a few bells and whistles? Ask any ten non-computer-programmer people who are familiar with the existence of football to fill in the blank: A foot...
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Is there a range class in C++11 for use with range based for loops?

...:irange, which is a bit more focused in scope. C++20's range library will allow you to do this via view::iota(start, end). share | improve this answer | follow ...
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Which is more preferable to use: lambda functions or nested functions ('def')?

...nction objects, but list comprehensions and generator expressions are generally more readable than those functions and can cover all use cases, without the need of lambdas. For the cases you really need a small function object, you should use the operator module functions, like operator.add instea...
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What is a mixin, and why are they useful?

... Probably not an issue in this example, but you generally want to put the main base class as the last element within the parenthesis so to create the inheritance chain: Request==>Mixin==>...==>BaseRequest. See here: ianlewis.org/en/mixins-and-python ...
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How to convert vector to array

...making a pointer that points to the actual array the vector is using internally. If you want to copy GMan's answer explains how – Michael Mrozek May 27 '10 at 17:22 4 ...
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How to create a video from images with FFmpeg?

...pix_fmt yuv420p out.ogg Your images should of course be sorted alphabetically, typically as: 0001-first-thing.jpg 0002-second-thing.jpg 0003-and-third.jpg and so on. I would also first ensure that all images to be used have the same aspect ratio, possibly by cropping them with imagemagick or n...
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How do I include a pipe | in my linux find -exec command?

...ld result in only a single agrep process being spawned which would process all the output produced by numerous invocations of zcat. If you for some reason would like to invoke agrep multiple times, you can do: find . -name 'file_*' -follow -type f \ -printf "zcat %p | agrep -dEOE 'grep'\n" | s...
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decorators in the python standard lib (@deprecated specifically)

...r('always', DeprecationWarning) # turn off filter warnings.warn("Call to deprecated function {}.".format(func.__name__), category=DeprecationWarning, stacklevel=2) warnings.simplefilter('default', DeprecationWarning) # reset filter ...
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How do I detect unsigned integer multiply overflow?

I was writing a program in C++ to find all solutions of a b = c , where a , b and c together use all the digits 0-9 exactly once. The program looped over values of a and b , and it ran a digit-counting routine each time on a , b and ab to check if the digits condition was satisfied. ...
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How to get parameters from a URL string?

...ery'], $query); echo $query['email']; If you want to get the $url dynamically with PHP, take a look at this question: Get the full URL in PHP share | improve this answer | ...