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Create nice column output in python
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123
data = [['a', 'b', 'c'], ['aaaaaaaaaa', 'b', 'c'], ['a', 'bbbbbbbbbb', 'c']]
col_width = max(le...
How do I abort the execution of a Python script? [duplicate]
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273
To exit a script you can use,
import sys
sys.exit()
You can also provide an exit status value...
Why is pow(a, d, n) so much faster than a**d % n?
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edited Jan 3 '13 at 6:08
answered Jan 3 '13 at 6:03
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Is it possible to forward-declare a function in Python?
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Borodin
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answered Oct 19 '09 at 19:36
RichNRichN
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How do I check if a number evaluates to infinity?
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edited Jan 18 '11 at 13:32
answered Jan 18 '11 at 13:27
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Programmatically generate video or animated GIF in Python?
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edited Jul 21 '16 at 4:03
Matt Bierner
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answe...
How do you create nested dict in Python?
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313
A nested dict is a dictionary within a dictionary. A very simple thing.
>>> d = {}
&...
How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
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23 Answers
23
Active
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Adding div element to body or document in JavaScript
...HTML += '<div style="position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000;"></div>';
instead of
document.body.innerHTML = '<div style="position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000;"></div>';
Edit:-
Ideally ...
Removing duplicates from a list of lists
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>>> k = [[1, 2], [4], [5, 6, 2], [1, 2], [3], [4]]
>>> import itertools
>>> k.sort()
>>> list(k for k,_ in itertools.groupby(k))
[[1, 2], [3], [4], [5, 6, 2]]
itertools often offers the fastest and most powerful solutions to this kind of ...