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Print all properties of a Python Class [duplicate]
... '.join("%s: %s" % item for item in attrs.items()))
If you want to store Python objects on the disk you should look at shelve — Python object persistence.
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How do I update pip itself from inside my virtual environment?
...kage:
pip install --upgrade pip
On Windows the recommended command is:
python -m pip install --upgrade pip
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Is there a zip-like function that pads to longest length in Python?
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In Python 3 you can use itertools.zip_longest
>>> list(itertools.zip_longest(a, b, c))
[('a1', 'b1', 'c1'), (None, 'b2', 'c2'), (None, 'b3', None)]
You can pad with a different value than None by using the fillvalue ...
Starting python debugger automatically on error
...le solution. If I run a script and I come across, let's say an IndexError, python prints the line, location and quick description of the error and exits. Is it possible to automatically start pdb when an error is encountered? I am not against having an extra import statement at the top of the file, ...
Python: Get relative path from comparing two absolute paths
...f the descendant from the ancestor. What's a good way to implement this in Python? Any library that I can benefit from?
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How can I detect if a file is binary (non-text) in python?
How can I tell if a file is binary (non-text) in python?
20 Answers
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Why are there no ++ and -- operators in Python?
Why are there no ++ and -- operators in Python?
19 Answers
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How to declare and add items to an array in Python?
I'm trying to add items to an array in python.
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List all the modules that are part of a python package?
Is there a straightforward way to find all the modules that are part of a python package? I've found this old discussion , which is not really conclusive, but I'd love to have a definite answer before I roll out my own solution based on os.listdir().
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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...