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Extract subset of key-value pairs from Python dictionary object?
...You could try:
dict((k, bigdict[k]) for k in ('l', 'm', 'n'))
... or in Python 3 Python versions 2.7 or later (thanks to Fábio Diniz for pointing that out that it works in 2.7 too):
{k: bigdict[k] for k in ('l', 'm', 'n')}
Update: As Håvard S points out, I'm assuming that you know the keys a...
Showing the stack trace from a running Python application
I have this Python application that gets stuck from time to time and I can't find out where.
28 Answers
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Python - 'ascii' codec can't decode byte
... you have invoked it on a string object (because you don't have the u). So python has to convert the string to a unicode object first. So it does the equivalent of
"你好".decode().encode('utf-8')
But the decode fails because the string isn't valid ascii. That's why you get a complaint about not...
How to install both Python 2.x and Python 3.x in Windows
I do most of my programming in Python 3.x on Windows 7, but now I need to use the Python Imaging Library (PIL), ImageMagick, and wxPython, all of which require Python 2.x.
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How to make a python, command-line program autocomplete arbitrary things NOT interpreter
I am aware of how to setup autocompletion of python objects in the python interpreter (on unix).
8 Answers
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Find all files in a directory with extension .txt in Python
How can I find all the files in a directory having the extension .txt in python?
26 Answers
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Running Python code in Vim
I am writing Python code using Vim, and every time I want to run my code, I type this inside Vim:
20 Answers
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Installing Python 3 on RHEL
I'm trying to install python3 on RHEL using the following steps:
19 Answers
19
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Calling Java from Python
What is the best way to call java from python?
(jython and RPC are not an option for me).
9 Answers
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What is the perfect counterpart in Python for “while not EOF”
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You can imitate the C idiom in Python.
To read a buffer up to max_size number of bytes, you can do this:
with open(filename, 'rb') as f:
while True:
buf = f.read(max_size)
if not buf:
break
process(buf)
Or, a tex...