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How to sort a list in Scala by two fields?
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answered Apr 5 '12 at 11:25
seniasenia
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Which is faster in Python: x**.5 or math.sqrt(x)?
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math.sqrt(x) is significantly faster than x**0.5.
import math
N = 1000000
%%timeit
for i in range(N):
z=i**.5
10 loops, best of 3: 156 ms per loop
%%timeit
for i in range(N):
z=math.sqrt(i)
10 loops, best of 3: 91.1 ms per loop
Using Python 3.6.9 ...
Specify pane percentage in tmuxinator project
...h select-layout. For example:
$ tmux list-windows
0: ksh [159x48]
layout: bb62,159x48,0,0{79x48,0,0,79x48,80,0}
$ tmux select-layout bb62,159x48,0,0{79x48,0,0,79x48,80,0}
tmux automatically adjusts the size of the layout for the current window
size. Note that a ...
Remove duplicated rows using dplyr
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edited Jun 19 '18 at 12:57
Axeman
25.5k66 gold badges6363 silver badges7171 bronze badges
answered Apr...
List All Redis Databases
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answered Oct 9 '12 at 17:35
Didier SpeziaDidier Spezia
60.6k1010 gold badges156156 silver badges139139 bronze badges
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Java regex capturing groups indexes
...e opening parentheses of the capturing groups. As an example, here are all 5 capturing groups in the below pattern:
(group)(?:non-capturing-group)(g(?:ro|u)p( (nested)inside)(another)group)(?=assertion)
| | | | | | || | |
1-----1 ...
All falsey values in JavaScript
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answered Nov 7 '13 at 15:34
user56reinstatemonica8user56reinstatemonica8
24.8k1515 gold badges8282 silver badges109109 bronze badges
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Why is GHC so large/big?
... Not only that, but the GHC binary itself is statically linked, so that's 5 copies of GHC.
We recently made it so that GHCi could use the static .a files. That will allow us to get rid of one of these flavours. Longer term, we should dynamically link GHC, but that's a bigger change because that ...
Zero-pad digits in string
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Gras Double
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answered Nov 27 '08 at 17:59
Konrad RudolphKonrad Rudolph
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How would I get a cron job to run every 30 minutes?
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edited Sep 27 '11 at 13:45
Tim Cooper
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answ...