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What is the purpose of class methods?
I'm teaching myself Python and my most recent lesson was that Python is not Java , and so I've just spent a while turning all my Class methods into functions.
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How to convert list of tuples to multiple lists?
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From the python docs:
zip() in conjunction with the * operator can be used to unzip a list:
Specific example:
>>> zip((1,3,5),(2,4,6))
[(1, 2), (3, 4), (5, 6)]
>>> zip(*[(1, 2), (3, 4), (5, 6)])
[(1, 3, 5), (2...
Eclipse hangs on loading workbench
...me or even better effect.
Here is a script for MacOS (using Macports) and Linux (tested on Ubuntu with Eclipse
Equinox) to do the start with an an optional kill of the running eclipse. You might want to adapt the script to your needs. If you add new platforms please edit the script right in this an...
Multiprocessing: How to use Pool.map on a function defined in a class?
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This doesn't work in Python 2.7.2 (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit (Intel)] on win32
– ubershmekel
Feb 18 '12 at 19:03
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Save classifier to disk in scikit-learn
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in python3, use the pickle module, which works exactly like this.
– MCSH
Nov 25 '18 at 7:22
add a comme...
What are WSGI and CGI in plain English?
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WSGI runs the Python interpreter on web server start, either as part of the web server process (embedded mode) or as a separate process (daemon mode), and loads the script into it. Each request results in a specific function in the script ...
Threading pool similar to the multiprocessing Pool?
...port ThreadPool
It is implemented using a dummy Process class wrapping a python thread. This thread-based Process class can be found in multiprocessing.dummy which is mentioned briefly in the docs. This dummy module supposedly provides the whole multiprocessing interface based on threads.
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List vs tuple, when to use each? [duplicate]
In Python, when should you use lists and when tuples?
7 Answers
7
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Does Flask support regular expressions in its URL routing?
....randomify = randomify
self.regex = '(?:yes|no|maybe)'
def to_python(self, value):
if value == 'maybe':
if self.randomify:
return not randrange(2)
raise ValidationError()
return value == 'yes'
def to_url(self, value):
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Using sed, how do you print the first 'N' characters of a line?
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@fedorqui -r is apparently available on Linux, but not on Mac.
– Paul Tomblin
Mar 25 '16 at 0:17
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