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Transpose list of lists
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How about
map(list, zip(*l))
--> [[1, 4, 7], [2, 5, 8], [3, 6, 9]]
For python 3.x users can use
list(map(list, zip(*l)))
Explanation:
There are two things we need to know to understand what's going on:
The signature of zip: zip(*iterables) This means zip ...
Fastest way to extract frames using ffmpeg?
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Multimedia MikeMultimedia Mike
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Does a valid XML file require an XML declaration?
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184
In XML 1.0, the XML Declaration is optional. See section 2.8 of the XML 1.0 Recommendation, whe...
Getting pids from ps -ef |grep keyword
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234
You can use pgrep as long as you include the -f options. That makes pgrep match keywords in the ...
Output array to CSV in Ruby
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answered Jan 27 '11 at 22:04
Dylan MarkowDylan Markow
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how to know if the request is ajax in asp.net mvc?
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answered Oct 5 '10 at 13:45
RedFilterRedFilter
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Why do we need argc while there is always a null at the end of argv?
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4 Answers
4
Active
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Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.
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164
Your json string is wrapped within square brackets ([]), hence it is interpreted as array instea...
Returning first x items from array
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274
array_slice returns a slice of an array
$sliced_array = array_slice($array, 0, 5)
is the code...