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How do I check if a string is valid JSON in Python?
In Python, is there a way to check if a string is valid JSON before trying to parse it?
4 Answers
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Python: Select subset from list based on index set
...Edit: The first option is equivalent to itertools.compress available since Python 2.7/3.1. See @Gary Kerr's answer.
property_asel = list(itertools.compress(property_a, good_objects))
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Using Python's os.path, how do I go up one directory?
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@OriolNieto Yes, as of version Python 3.4+ you can use pathlib.Path.parents[levels_up-1]. See this question for more solutions
– jwalton
Apr 4 '19 at 15:22
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Is there an equivalent of lsusb for OS X
... That's a nice utility, but it's still just a fraction of what lsusb on linux can get you. lsusb on linux can give you the full contents of the device's configuration descriptors. Without that, I'm afraid this tool is mostly just a pretty-printer.
– Ted Middleton
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How can I analyze Python code to identify problematic areas?
... the docs, I don't think you can use the command line. You have to use the Python API.
– Dave Halter
Apr 8 '15 at 9:37
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How to copy a file to a remote server in Python using SCP or SSH?
I have a text file on my local machine that is generated by a daily Python script run in cron.
14 Answers
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Writing a dict to txt file and reading it back?
...ve to it that is safer. This is called literal_eval and you get it from a Python module called ast.
import ast
def reading(self):
s = open('deed.txt', 'r').read()
self.whip = ast.literal_eval(s)
ast.literal_eval() will only evaluate strings that turn into the basic Python types, so ther...
Print a list in reverse order with range()?
How can you produce the following list with range() in Python?
19 Answers
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Understanding generators in Python
I am reading the Python cookbook at the moment and am currently looking at generators. I'm finding it hard to get my head round.
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How can I reverse a list in Python?
How can I do the following in Python?
35 Answers
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