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The difference between fork(), vfork(), exec() and clone()

...d I expected there to be a huge amount of information on this, but there really wasn't any solid comparison between the four calls. ...
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Combine --user with --prefix error with setup.py install

...me workaround: pip install --user --install-option="--prefix=" <package_name> or python setup.py install --user --prefix= Note that there is no text (not even whitespace) after the =. Do not forget the --user flag. Installing multiple packages: Create ~/.pydistutils.cfg (or equivalent...
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Send string to stdin

... @Pyrolistical yes! Especially useful when mastering for example a perl oneliner from a command line - easy editing of perl's arguments without the need much backward movements with a cursor. :) – jm666 Feb 12 '1...
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PHP “php://input” vs $_POST

... The reason is that php://input returns all the raw data after the HTTP-headers of the request, regardless of the content type. The PHP superglobal $_POST, only is supposed to wrap data that is either application/x-www-form-urlencoded (standard content type for...
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Why have header files and .cpp files? [closed]

...dencies so that code that uses the header doesn't necessarily need to know all the details of the implementation and any other classes/headers needed only for that. This will reduce compilation times and also the amount of recompilation needed when something in the implementation changes. It's not ...
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How can I format my grep output to show line numbers at the end of the line, and also the hit count?

... sometimes man page can take many pages. And this is hard to read all of them – Eugen Konkov May 22 '18 at 13:44 add a comment  |  ...
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How to load all modules in a folder?

... List all python (.py) files in the current folder and put them as __all__ variable in __init__.py from os.path import dirname, basename, isfile, join import glob modules = glob.glob(join(dirname(__file__), "*.py")) __all__ = [ ba...
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Will strlen be calculated multiple times if used in a loop condition?

...optimiser might be able to deduce that the value won't change, but I personally wouldn't rely on that. I'd do something like for (int i = 0, n = strlen(ss); i < n; ++i) or possibly for (int i = 0; ss[i]; ++i) as long as the string isn't going to change length during the iteration. If it mi...
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Where do I find the current C or C++ standard documents?

...9:1990 Hardcopy available from SAI Global ($88 + shipping) You cannot usually get old revisions of a standard (any standard) directly from the standards bodies shortly after a new edition of the standard is released. Thus, standards for C89, C90, C99, C++98, C++03 will be hard to find for purchas...
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Convert base-2 binary number string to int

... (as suggested by the >>> prompt), you don't need to use print at all. The OP's hypothetical example didn't. So it really should be identical in Python 2 and 3. – John Y Jul 12 '16 at 22:36 ...