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How to make a flat list out of list of lists?
...,3],[4,5,6], [7], [8,9]]*99' '[item for sublist in l for item in sublist]'
10000 loops, best of 3: 143 usec per loop
$ python -mtimeit -s'l=[[1,2,3],[4,5,6], [7], [8,9]]*99' 'sum(l, [])'
1000 loops, best of 3: 969 usec per loop
$ python -mtimeit -s'l=[[1,2,3],[4,5,6], [7], [8,9]]*99' 'reduce(lambda ...
Reading and writing binary file
... I want copy only some segment of data to buffer. How I can do it? Let say 1024 bytes.
– likern
Jul 10 '14 at 15:45
8
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How to delete or add column in SQLITE?
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answered May 14 '12 at 10:12
UdinicUdinic
2,94022 gold badges2222 silver badges3232 bronze badges
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Change bootstrap navbar collapse breakpoint without using LESS
...68px, the navbar changes to collapsed mode. I want to change this width to 1000px so when the browser is below 1000px the navbar changes to collapsed mode. I want to do this without using LESS, I am using stylus not LESS.
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Remove the string on the beginning of an URL
...lution.
– Christoph
Mar 30 '12 at 7:10
12
it's NOT the optimal solution. Creating a regexp for re...
What is the difference between JavaScript and ECMAScript?
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10
what would be really nice is a clear mapping between JavaScript and ECMAScript versions, e.g. ES5 corresponds to JS1.5 etc. ah I found it: ...
How do I position one image on top of another in HTML?
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10 Answers
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Active
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How to use filter, map, and reduce in Python 3
...> list(map(cube, range(1, 11)))
[1, 8, 27, 64, 125, 216, 343, 512, 729, 1000]
>>> import functools
>>> def add(x,y): return x+y
...
>>> functools.reduce(add, range(1, 11))
55
>>>
The recommendation now is that you replace your usage of map and filter with gen...
How to test code dependent on environment variables using JUnit?
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Stefan BirknerStefan Birkner
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Looping in a spiral
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answered Nov 10 '15 at 21:22
MikeMike
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