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Pandas percentage of total with groupby
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Can I create a One-Time-Use Function in a Script or Stored Procedure?
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answered Jun 11 '09 at 14:32
Joel CoehoornJoel Coehoorn
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Open Source Java Profilers [closed]
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herrtim
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answered Jun 4 '09 at 4:16
ChiChi
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Find intersection of two nested lists?
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If you want:
c1 = [1, 6, 7, 10, 13, 28, 32, 41, 58, 63]
c2 = [[13, 17, 18, 21, 32], [7, 11, 13, 14, 28], [1, 5, 6, 8, 15, 16]]
c3 = [[13, 32], [7, 13, 28], [1,6]]
Then here is your solution for Python 2:
c3 = [filter(lambda x: x in c1, sublist) for sublist in c2]
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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
... Jaap
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answered Feb 19 '11 at 3:50
Greg SnowGreg Snow
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Different bash prompt for different vi editing mode?
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Fresh bash 4.3 and readline 6.3 have something for you guys.. from the changelog:
4. New Features in Readline
j. New user-settable variable, show-mode-in-prompt, adds a characters to the
beginning of the prompt indicating the cur...
Array slices in C#
...clude the Linq namespace with using System.Linq;):
byte[] foo = new byte[4096];
var bar = foo.Take(41);
If you really need an array from any IEnumerable<byte> value, you could use the ToArray() method for that. That does not seem to be the case here.
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No Persistence provider for EntityManager named
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edited Jun 20 '16 at 3:14
Dave Jarvis
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What is the difference between '/' and '//' when used for division?
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smci
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answered Oct 8 '08 at 17:21
Eli CourtwrightEli ...
Understanding dict.copy() - shallow or deep?
...gt;>> a, b
({1: [1, 2, 3]}, {1: [1, 2, 3]})
>>> a[1].append(4)
>>> a, b
({1: [1, 2, 3, 4]}, {1: [1, 2, 3, 4]})
In contrast, a deep copy will copy all contents by value.
>>> import copy
>>> c = copy.deepcopy(a)
>>> a, c
({1: [1, 2, 3, 4]}, {1: [1,...