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Best way to find the intersection of multiple sets?
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From Python version 2.6 on you can use multiple arguments to set.intersection(), like
u = set.intersection(s1, s2, s3)
If the sets are in a list, this translates to:
u = set.intersection(*setlist)
where *a_list is list expansion
Note that...
Webdriver Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms
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29 Answers
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Ignore python multiple return value
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One common convention is to use a "_" as a variable name for the elements of the tuple you wis...
Reverse colormap in matplotlib
...fice.
– shockburner
May 1 '15 at 18:26
Similarly, "ValueError: Colormap red_r is not recognized."
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Checking from shell script if a directory contains files
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26 Answers
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What is the email subject length limit?
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See RFC 2822, section 2.1.1 to start.
There are two limits that this
standard places on the number of
characters in a line. Each line of
characters MUST be no more than 998
characters, and SHOULD be no more than
78 char...
Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
...m it where the length of the string in a particular column is greater than 2.
6 Answers
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Getting output of system() calls in Ruby
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edited May 23 '17 at 11:47
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answered Oct 14 '09 at 0:06
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