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Log to the base 2 in python

How should I compute log to the base two in python. Eg. I have this equation where I am using log base 2 11 Answers ...
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Understanding Python super() with __init__() methods [duplicate]

...ard docs on super if you haven't already. Note that the syntax changed in Python 3.0: you can just say super().__init__() instead of super(ChildB, self).__init__() which IMO is quite a bit nicer. The standard docs also refer to a guide to using super() which is quite explanatory. ...
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Creating a singleton in Python

...any religious wars, but to discuss how this pattern is best implemented in Python in such a way that is most pythonic. In this instance I define 'most pythonic' to mean that it follows the 'principle of least astonishment' . ...
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How do I configure PyCharm to run py.test tests?

I want to start writing unit tests for my Python code, and the py.test framework sounds like a better bet than Python's bundled unittest . So I added a "tests" directory to my project, and added test_sample.py to it. Now I want to configure PyCharm to run all the tests in my "tests" directory. ...
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Modular multiplicative inverse function in Python

Does some standard Python module contain a function to compute modular multiplicative inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p) ? Google doesn't seem to give any good hints on this. ...
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What is the pythonic way to unpack tuples? [duplicate]

This is ugly. What's a more Pythonic way to do it? 2 Answers 2 ...
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how to check if a file is a directory or regular file in python? [duplicate]

How do you check if a path is a directory or file in python? 4 Answers 4 ...
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Remove and Replace Printed items [duplicate]

I was wondering if it was possible to remove items you have printed in Python - not from the Python GUI, but from the command prompt. e.g. ...
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What does the 'u' symbol mean in front of string values? [duplicate]

...normal ASCII can manage. The fact that you're seeing the u means you're on Python 2 - strings are Unicode by default on Python 3, but on Python 2, the u in front distinguishes Unicode strings. The rest of this answer will focus on Python 2. You can create a Unicode string multiple ways: >>>...
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Python3 integer division [duplicate]

In Python3 vs Python2.6, I've noticed that I can divide two integers and get a float. How do you get the Python2.6 behaviour back? Is there a different method to get int/int = int? ...