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Check if all elem>me m>nts in a list are identical
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General m>me m>thod:
def checkEqual1(iterator):
iterator = iter(iterator)
try:
first = next(iterator)
except StopIteration:
return True
return all(first == rest for rest in iterator)
One-liner:
def checkEqual2(iterator):
r...
How do I modify fields inside the new PostgreSQL JSON datatype?
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21 Answers
21
Active
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Comparing two dictionaries and checking how many (key, value) pairs are equal
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187
If you want to know how many values match in both the dictionaries, you should have said that ...
Finding differences between elem>me m>nts of a list
... how does one find differences between every ( i )-th elem>me m>nts and its ( i+1 )-th?
10 Answers
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Combine two columns of text in pandas datafram>me m>
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18 Answers
18
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How to get unique values in an array
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120
Since I went on about it in the comm>me m>nts for @Rocket's answer, I may as well provide an exampl...
Efficient way to insert a number into a sorted array of numbers?
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15 Answers
15
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How to print a percentage value in python?
...entage floating point precision type:
>>> print "{0:.0%}".format(1./3)
33%
If you don't want integer division, you can import Python3's division from __future__:
>>> from __future__ import division
>>> 1 / 3
0.3333333333333333
# The above 33% example would could now b...
Is there a way to 'uniq' by column?
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sort -u -t, -k1,1 file
-u for unique
-t, so comma is the delimiter
-k1,1 for the key field 1
Test result:
overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0
stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.n...