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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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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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Does a favicon have to be 32x32 or 16x16?

...recommendation should be to provide a 32x32 icon, skipping 16x16 entirely. All current browsers and devices support 32x32 icons. The icon will routinely be upscaled to as much as 192x192 depending on the environment (assuming there are no larger sizes available or the system didn't recognize them). ...
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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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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 does if __name__ == “__main__”: do?

...ngs: it sets a few special variables like __name__, and then it executes all of the code found in the file. Let's see how this works and how it relates to your question about the __name__ checks we always see in Python scripts. Code Sample Let's use a slightly different code sample to explore ho...
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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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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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Running Windows batch file commands asynchronously

... command line return immediately anyway, so to be sure, if you want to run all asynchronously, use START. share | improve this answer | follow | ...
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Max retries exceeded with URL in requests

...unction in python (don't forget to import sleep) from time import sleep All in all requests is awesome python lib, hope that solves your problem. share | improve this answer | ...