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Cost of len() function
What is the cost of len() function for Python built-ins? (list/tuple/string/dictionary)
5 Answers
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Installing pip packages to $HOME folder
Is it possible? When installing pip , install the python packages inside my $HOME folder. (for example, I want to install mercurial , using pip , but inside $HOME instead of /usr/local )
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Converting int to bytes in Python 3
I was trying to build this bytes object in Python 3:
13 Answers
13
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Does Python have “private” variables in classes?
I'm coming from the Java world and reading Bruce Eckels' Python 3 Patterns, Recipes and Idioms .
12 Answers
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How to redirect 'print' output to a file using python?
I want to redirect the print to a .txt file using python. I have a 'for' loop, which will 'print' the output for each of my .bam file while I want to redirect ALL these output to one file. So I tried to put
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Elegant ways to support equivalence (“equality”) in Python classes
...important to allow equivalence by means of the == and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method:
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How to print a percentage value in python?
...0%}".format(1./3)
33%
If you don't want integer division, you can import Python3's division from __future__:
>>> from __future__ import division
>>> 1 / 3
0.3333333333333333
# The above 33% example would could now be written without the explicit
# float conversion:
>>>...
What is the exact meaning of Git Bash?
...sed by MinGW (and others), was forked in the past from Cygwin
Cygwin - a Linux like environment, which was used in the past to build Git for Windows, nowadays has no relation to msysGit
So, your two lines description about "git bash" are:
"Git bash" is a msys shell included in "Git for Windo...
What is the correct way to start a mongod service on linux / OS X?
I've installed mongodb and have been able to run it, work with it, do simple DB read / write type stuff. Now I'm trying to set up my Mac to run mongod as a service.
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How do I write JSON data to a file?
...ry and not yet JSON-encoded. Write it like this for maximum compatibility (Python 2 and 3):
import json
with open('data.json', 'w') as f:
json.dump(data, f)
On a modern system (i.e. Python 3 and UTF-8 support), you can write a nicer file with
import json
with open('data.json', 'w', encoding=...