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Pandas DataFrame Groupby two columns and get counts
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Followed by @Andy's answer, you can do following to solve your second question:
In [56]: df.g...
What's an easy way to read random line from a file in Unix command line?
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Convert a String representation of a Dictionary to a dictionary?
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Starting in Python 2.6 you can use the built-in ast.literal_eval:
>>> import ast
&g...
Calculating distance between two points, using latitude longitude?
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The Java code given by Dommer above gives slightly incorrect results but the small errors add u...
How to prevent a background process from being stopped after closing SSH client in Linux
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answered Nov 12 '08 at 19:21
JesperEJesperE
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Algorithm to generate all possible permutations of a list?
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Function for Factorial in Python
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Easiest way is to use math.factorial (available in Python 2.6 and above):
import math
math.fa...
map function for objects (instead of arrays)
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How to convert a string or integer to binary in Ruby?
...a string representing the number in the base specified:
9.to_s(2) #=> "1001"
while the reverse is obtained with String#to_i(base):
"1001".to_i(2) #=> 9
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Create a dictionary with list comprehension
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14 Answers
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