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How can I calculate the difference between two dates?
... date using e.g. an NSDateFormatter, the NSDateFormatter converts the time from the configured timezone. Therefore, the number of seconds between two NSDate objects will always be time-zone-agnostic.
Furthermore, this documentation specifies that Cocoa's implementation of time does not account for ...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
...onfigured as "x86_64-linux-gnu".
Attaching to process 5636
Reading symbols from /usr/bin/tail...(no debugging symbols found)...done.
Reading symbols from /lib/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libc.so.6...(no debugging symb...
ImportError in importing from sklearn: cannot import name check_build
I am getting the following error while trying to import from sklearn:
13 Answers
13
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How do I get the file name from a String containing the Absolute file path?
... file system so wouldn't expect the performance to be materially different from a substring/indexOf.
– assylias
Sep 26 '13 at 7:15
7
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Get a random boolean in python?
...s(1)"
1000000 loops, best of 3: 0.308 usec per loop
$ python -m timeit -s "from random import getrandbits" "not getrandbits(1)"
1000000 loops, best of 3: 0.262 usec per loop # not takes about 20us of this
Added this one after seeing @Pavel's answer
$ python -m timeit -s "from random import rando...
Python multiprocessing pool.map for multiple arguments
...a sequence of argument tuples. It then automatically unpacks the arguments from each tuple and passes them to the given function:
import multiprocessing
from itertools import product
def merge_names(a, b):
return '{} & {}'.format(a, b)
if __name__ == '__main__':
names = ['Brown', 'Wil...
Which UUID version to use?
...card. It's not recommended to create these.
Version 4: These are generated from random (or pseudo-random) numbers. If you just need to generate a UUID, this is probably what you want.
If you need to always generate the same UUID from a given name, you want a version 3 or version 5.
Version 3: Th...
How to remove all white space from the beginning or end of a string?
How can I remove all white space from the beginning and end of a string?
6 Answers
6
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How do I load a file into the python console?
...
Can you explain your usage of copy con? From what I'm reading it's only used to copy files computerhope.com/copyhlp.htm
– CodyBugstein
Mar 28 '14 at 12:49
...
Ukkonen's suffix tree algorithm in plain English
...single
characters. Instead, each edge is labeled using a pair of integers
[from,to]. These are pointers into the text. In this sense, each
edge carries a string label of arbitrary length, but takes only O(1)
space (two pointers).
Basic principle
I would like to first demonstrate how to create the...