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Python threading.timer - repeat function every 'n' seconds
...le to start and stop and reset the timer. I'm not too knowledgeable of how Python threads work and am having difficulties with the python timer.
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How can I time a code segment for testing performance with Pythons timeit?
I've a python script which works just as it should, but I need to write the execution time. I've googled that I should use timeit but I can't seem to get it to work.
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How to call an external command?
...if I'd typed it at the Unix shell or Windows command prompt) from within a Python script?
62 Answers
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How to sort the letters in a string alphabetically in Python
Is there an easy way to sort the letters in a string alphabetically in Python?
7 Answers
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Using headers with the Python requests library's get method
... I recently stumbled upon this great library for handling HTTP requests in Python; found here http://docs.python-requests.org/en/latest/index.html .
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How to implement an ordered, default dict? [duplicate]
... @martineau: You're right. I believe callable was removed in Python 3.1 and then reinstated in Python 3.2, and I hadn't upgraded yet when I made this edit. Feel free to make the change.
– Neil G
Jun 17 '12 at 17:45
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Convert int to ASCII and back in Python
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ASCII to int:
ord('a')
gives 97
And back to a string:
in Python2: str(unichr(97))
in Python3: chr(97)
gives 'a'
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Search and replace a line in a file in Python
...ue):
print('{} {}'.format(fileinput.filelineno(), line), end='') # for Python 3
# print "%d: %s" % (fileinput.filelineno(), line), # for Python 2
What happens here is:
The original file is moved to a backup file
The standard output is redirected to the original file within the loop
Thus ...
Which exception should I raise on bad/illegal argument combinations in Python?
...g about the best practices for indicating invalid argument combinations in Python. I've come across a few situations where you have a function like so:
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Find object in list that has attribute equal to some value (that meets any condition)
...t("i found it!")
break
The naive loop-break version, is perfectly Pythonic -- it's concise, clear, and efficient. To make it match the behavior of the one-liner:
for x in test_list:
if x.value == value:
print("i found it!")
break
else:
x = None
This will assign None...