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Optional Parameters with C++ Macros

...ello, World!", 18, bold); return 0; } This makes it easier for the caller of the macro, but not the writer. share | improve this answer | follow | ...
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What exactly are iterator, iterable, and iteration?

...loop, or map, or a list comprehension, etc. in Python, the next method is called automatically to get each item from the iterator, thus going through the process of iteration. A good place to start learning would be the iterators section of the tutorial and the iterator types section of the standar...
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How to fix “Attempted relative import in non-package” even with __init__.py

...ry to execute the above shell command, the fact that you need __init__.pys all the way down, and the __package__-modifying trickery (described below by BrenBarn) needed to allow these imports for executable scripts (e.g. when using a shebang and doing ./my_script.py at the Unix shell) would all be u...
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Add a prefix to all Flask routes

...tant to the route at every definition. Is there a way to do this automatically? 10 Answers ...
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What is a None value?

...n't write the sticker "F", there was already an F sticker on the None, and all you did was move it, from None to "fork". So when you type F = None, you're "reset[ting] it to its original, empty state", if we decided to treat None as meaning empty state. I can see what he's getting at, but that's a...
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How to get a function name as a string?

In Python, how do I get a function name as a string, without calling the function? 12 Answers ...
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How to get number of entries in a Lua table?

...ual, any of 3, 5 and 9 are valid results for #t. According to the manual, calling # on non-sequences is undefined. That means that any result (-1, 3, 3.14, 5, 9) is valid. – cubuspl42 May 12 '14 at 20:08 ...
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Find all packages installed with easy_install/pip?

Is there a way to find all Python PyPI packages that were installed with easy_install or pip? I mean, excluding everything that was/is installed with the distributions tools (in this case apt-get on Debian). ...
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What's the best way to send a signal to all members of a process group?

... And if you modify the format slightly and sort, you get to see all processes nicely grouped and beginning with (potentially) the group parent in each group: ps x -o "%r %p %y %x %c" | sort -nk1,2 – haridsv Dec 3 '12 at 12:18 ...
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Best practices for API versioning? [closed]

...e same time the most prominent part of a REST API and, therefore, a potentially long-term commitment towards the users of that API. Since evolution of an application and, to a lesser extent, its API is a fact of life and that it's even similar to the evolution of a seemingly complex product like a ...