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Random row selection in Pandas dataframe
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58
Something like this?
import random
def some(x, n):
return x.ix[random.sample(x.index, n)]
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What is the most efficient way to concatenate N arrays?
...ys, using a loop is a better approach. See https://stackoverflow.com/a/17368101/96100 for details.
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Why does Convert.ToString(null) return a different value if you cast null?
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answered Apr 27 '12 at 18:13
JaredParJaredPar
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How to find out which view is focused?
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answered Mar 18 '11 at 12:55
KaranKaran
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Adding command line options to CMake
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edited Sep 10 '18 at 21:14
Peter Mortensen
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Prevent strace from abbreviating arguments?
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Matthew SlatteryMatthew Slattery
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std::vector performance regression when enabling C++11
...'./a.out' (10 runs):
35.426793 task-clock # 0.986 CPUs utilized ( +- 1.75% )
4 context-switches # 0.116 K/sec ( +- 5.69% )
0 CPU-migrations # 0.006 K/sec ( +- 66...
Check if a value exists in pandas dataframe index
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258
This should do the trick
'g' in df.index
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Oracle SELECT TOP 10 records
...dmaragPadmarag
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Xcode stops working after set “xcode-select -switch”
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285
You should be pointing it towards the Developer directory, not the Xcode application bundle. R...