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Operation on every pair of element in a list
Using Python, I'd like to compare every possible pair in a list.
4 Answers
4
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How to split a column into two columns?
...rst two parameters of .str.split() do,
I recommend the docs for the plain Python version of the method.
But how do you go from:
a column containing two-element lists
to:
two columns, each containing the respective element of the lists?
Well, we need to take a closer look at the .str attrib...
Use cases for the 'setdefault' dict method
The addition of collections.defaultdict in Python 2.5 greatly reduced the need for dict 's setdefault method. This question is for our collective education:
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Non-alphanumeric list order from os.listdir()
I often use python to process directories of data. Recently, I have noticed that the default order of the lists has changed to something almost nonsensical. For example, if I am in a current directory containing the following subdirectories: run01, run02, ... run19, run20, and then I generate a list...
Xcode 6 how to enable storyboard zoom?
...e space to bring up the same zoom menu quickly.
– José
Jul 29 '14 at 19:40
@flinth, zoom in/out is not for XIBs. It's...
Windows shell command to get the full path to the current directory?
...his answer should actually be the accepted one.
– René Nyffenegger
Jul 4 '13 at 8:24
7
But it do...
Concat all strings inside a List using LINQ
...regate method, you need to add using System.Linq;
– Cédric Guillemette
Jan 5 '13 at 21:05
7
Prob...
Failed loading english.pickle with nltk.data.load
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I had this same problem. Go into a python shell and type:
>>> import nltk
>>> nltk.download()
Then an installation window appears. Go to the 'Models' tab and select 'punkt' from under the 'Identifier' column. Then click Download and it wil...
How to stop flask application without using ctrl-c
...API, I am curious about how to code this. I am working on Ubuntu 12.10 and Python 2.7.3.
13 Answers
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“x not in y” or “not x in y”
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You've run into a CPython peephole optimisation; a compile-time optimisation that other Python implementations such as Jython and IronPython are free to ignore or copy (it is not part of the language specification).
– Mart...