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What is the difference between Python's list methods append and extend?
... are not that important. I am just showing them to make the point that, in Python, doing the semantically correct thing is doing things the Right Way™.
It's conceivable that you might test timings on two comparable operations and get an ambiguous or inverse result. Just focus on doing the semanti...
Build the full path filename in Python
...compatible with the suffix conventions in pathlib, which was introduced in python 3.4 after this question was asked. New code that doesn't require backward compatibility can do this:
suffix = '.pdf'
pathlib.PurePath(dir_name, base_filename + suffix)
You might prefer the shorter Path instead of Pure...
Write to UTF-8 file in Python
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Read the following: http://docs.python.org/library/codecs.html#module-encodings.utf_8_sig
Do this
with codecs.open("test_output", "w", "utf-8-sig") as temp:
temp.write("hi mom\n")
temp.write(u"This has ♭")
The resulting file is UTF-8 with the...
Specify format for input arguments argparse python
I have a python script that requires some command line inputs and I am using argparse for parsing them. I found the documentation a bit confusing and couldn't find a way to check for a format in the input parameters. What I mean by checking format is explained with this example script:
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What version of Visual Studio is Python on my computer compiled with?
...rying to find out the version of Visual Studio that is used to compile the Python on my computer
2 Answers
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How to get the position of a character in Python?
How can I get the position of a character inside a string in python?
9 Answers
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What is the use of join() in Python threading?
I was studying the python threading and came across join() .
10 Answers
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Evaluating a mathematical expression in a string
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@AnttiHaapala good example. Is it a bug in Python interpreter? Anyway, large input is trivially handled e.g., using if len(expr) > 10000: raise ValueError.
– jfs
Apr 29 '16 at 9:53
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Using module 'subprocess' with timeout
Here's the Python code to run an arbitrary command returning its stdout data, or raise an exception on non-zero exit codes:
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What are “named tuples” in Python?
Reading the changes in Python 3.1 , I found something... unexpected:
11 Answers
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