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How do I execute a program from Python? os.system fails due to spaces in path
I have a Python script that needs to execute an external program, but for some reason fails.
10 Answers
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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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Best way to convert string to bytes in Python 3?
...e 0 is created.
So bytes can do much more than just encode a string. It's Pythonic that it would allow you to call the constructor with any type of source parameter that makes sense.
For encoding a string, I think that some_string.encode(encoding) is more Pythonic than using the constructor, becau...
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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Why is the order in dictionaries and sets arbitrary?
I don't understand how looping over a dictionary or set in python is done by 'arbitrary' order.
6 Answers
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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, ...
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 ...
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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How to declare and add items to an array in Python?
I'm trying to add items to an array in python.
7 Answers
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Chrome, Javascript, window.open in new tab
... Consider if the function is posting data to a server that is generating a PDF which takes 10 seconds. The window.open to a blank tab is immediate and the user stares at the blank tab for 10 seconds until magically it gets populated. Still on iOS it is about the only solution.
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