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Version number comparison in Python
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37
Remove the uninteresting part of the string (trailing zeroes and dots), and then compare the li...
Find which version of package is installed with pip
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As of pip 1.3, there is a pip show command.
$ pip show Jinja2
---
Name: Jinja2
Version: 2.7.3
Location: /path/to/virtualenv/lib/python2.7/site-packages
Requires: markupsafe
In older versions, pip freeze and grep should do the job nice...
Int division: Why is the result of 1/3 == 0?
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The two operands (1 and 3) are integers, therefore integer arithmetic (division here) is used. Declaring the result variable as double just causes an implicit conversion to occur after division.
Integer division of course returns the true result of...
What are the advantages of using nullptr?
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answered Dec 11 '12 at 8:39
NawazNawaz
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How can I check if an ip is in a network in Python?
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30
This article shows you can do it with socket and struct modules without too much extra effort. ...
How do I get the row count of a pandas DataFrame?
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1387
You can use the .shape property or just len(DataFrame.index). However, there are notable perfo...
Naming returned columns in Pandas aggregate function? [duplicate]
...data('Loblolly')
print(data.head())
# height age Seed
# 1 4.51 3 301
# 15 10.89 5 301
# 29 28.72 10 301
# 43 41.74 15 301
# 57 52.70 20 301
df = data.groupby('Seed').agg(
{'age':['sum'],
'height':['mean', 'std']})
print(df.head())
# age height ...
Understanding recursion [closed]
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603
How do you empty a vase containing five flowers?
Answer: if the vase is not empty, you take out...
How can I get a list of locally installed Python modules?
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