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What is the most “pythonic” way to iterate over a list in chunks?
I have a Python script which takes as input a list of integers, which I need to work with four integers at a time. Unfortunately, I don't have control of the input, or I'd have it passed in as a list of four-element tuples. Currently, I'm iterating over it this way:
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Determine if variable is defined in Python [duplicate]
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@einpoklum, Python uses exception StopIteration within just about every for statement -- that's how an iterator lets it known that it's all done. And of course, it is far from "an exceptional case" for iteration to be done -- indeed, on...
Add margin between a RadioButton and its label in Android?
...s with a "values-v17" directory; put your API 17+ dimension in a resources xml there and the standard one for 16 and below in just plain "values".
– akent
Nov 11 '14 at 4:47
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Calling a base class's classmethod in Python
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If you're using a new-style class (i.e. derives from object in Python 2, or always in Python 3), you can do it with super() like this:
super(Derived, cls).do(a)
This is how you would invoke the code in the base class's version of the method (i.e. print cls, a), from the derived class,...
Calculating arithmetic mean (one type of average) in Python
Is there a built-in or standard library method in Python to calculate the arithmetic mean (one type of average) of a list of numbers?
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WSGI vs uWSGi with Nginx [closed]
...WSGI (do not confuse the uwsgi protocol with the uWSGI server). WSGI is a Python specification. There are several implementations of the WSGI specification and it's intended to be used for more than just application servers/web servers, but there are quite a few WSGI application servers (ie. Cherr...
Compare object instances for equality by their attributes
...mparable or unhashable types contained within.
N.B.: be aware that before Python 3, you may need to use __cmp__ instead of __eq__. Python 2 users may also want to implement __ne__, since a sensible default behaviour for inequality (i.e. inverting the equality result) will not be automatically crea...
Asynchronous Requests with Python requests
...the sample provided within the documentation of the requests library for python.
12 Answers
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Pickle incompatibility of numpy arrays between Python 2 and 3
I am trying to load the MNIST dataset linked here in Python 3.2 using this program:
7 Answers
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Unpack a list in Python?
...function_that_needs_strings(*my_list)
where my_list can be any iterable; Python will loop over the given object and use each element as a separate argument to the function.
See the call expression documentation.
There is a keyword-parameter equivalent as well, using two stars:
kwargs = {'foo': ...