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What is the difference between atan and atan2 in C++?
...all four quadrants. std::atan only allows calculating from quadrants 1 and 4.
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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
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edited Dec 3 '14 at 10:35
SergA
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answered Nov 3 '09 at 1...
Which version of PostgreSQL am I running?
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1674
Run this query from PostgreSQL:
SELECT version();
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How to know/change current directory in Python shell?
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You can use the os module.
>>> import os
>>> os.getcwd()
'/home/user'
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Replace non-numeric with empty string
...one number is set to only allow 10 characters. So, if I get passed "(913)-444-5555" or anything else, is there a quick way to run a string through some kind of special replace function that I can pass it a set of characters to allow?
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PyPy — How can it possibly beat CPython?
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Getting SyntaxError for print with keyword argument end=' '
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What does cmd /C mean? [closed]
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edited Feb 5 '09 at 10:45
Blorgbeard is out
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Correct way to detach from a container without stopping it
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answered Aug 12 '14 at 15:21
ReganRegan
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Why was the switch statement designed to need a break?
...default fall
through was used. The Sun ANSI C
compiler front end has 244 switch
statements, each of which has an
average of seven cases. Fall through
occurs in just 3% of all these cases.
In other words, the normal switch
behavior is wrong 97% of the time.
It's not just in a com...