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Is there a visual profiler for Python? [closed]
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A friend and I have written a Python profile viewer called SnakeViz that runs in a web browser. If you are already successfully using RunSnakeRun SnakeViz may not add that much value, but SnakeViz is much easier to install.
Edit: SnakeViz supports Python...
List comprehension vs. lambda + filter
... of filter.
The first is the function call overhead: as soon as you use a Python function (whether created by def or lambda) it is likely that filter will be slower than the list comprehension. It almost certainly is not enough to matter, and you shouldn't think much about performance until you've ...
How to measure time taken between lines of code in python?
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If you want to measure CPU time, can use time.process_time() for Python 3.3 and above:
import time
start = time.process_time()
# your code here
print(time.process_time() - start)
First call turns the timer on, and second call tells you how many seconds have elapsed.
There is also a...
Python argparse: How to insert newline in the help text?
I'm using argparse in Python 2.7 for parsing input options. One of my options is a multiple choice. I want to make a list in its help text, e.g.
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UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function [du
I am writing a Python (Python 3.3) program to send some data to a webpage using POST method. Mostly for debugging process I am getting the page result and displaying it on the screen using print() function.
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Hidden features of Python [closed]
What are the lesser-known but useful features of the Python programming language?
191 Answers
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What's the difference between %s and %d in Python string formatting?
...a string (%s) and number is an integer (%d for decimal).
See https://docs.python.org/3/library/stdtypes.html#printf-style-string-formatting for details.
In Python 3 the example would be:
print('%s %d' % (name, number))
s...
Is there an easy way to pickle a python function (or otherwise serialize its code)?
...a network connection (using asyncore). Is there an easy way to serialize a python function (one that, in this case at least, will have no side affects) for transfer like this?
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How to add a custom loglevel to Python's logging facility
...ally log(5, msg) isn't what I want. How can I add a custom loglevel to a Python logger?
16 Answers
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How can I split and parse a string in Python?
I am trying to split this string in python: 2.7.0_bf4fda703454
3 Answers
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