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Difference between two dates in Python
...nd take the days member.
from datetime import datetime
def days_between(d1, d2):
d1 = datetime.strptime(d1, "%Y-%m-%d")
d2 = datetime.strptime(d2, "%Y-%m-%d")
return abs((d2 - d1).days)
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How to git clone a specific tag
From git-clone(1) Manual Page
5 Answers
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How to apply a function to two columns of Pandas dataframe
Suppose I have a df which has columns of 'ID', 'col_1', 'col_2' . And I define a function :
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How to sort a list in Scala by two fields?
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rows.sortBy(r => (r.lastName, r.firstName))
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Breaking loop when “warnings()” appear in R
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152
You can turn warnings into errors with:
options(warn=2)
Unlike warnings, errors will interr...
How to convert 1 to true or 0 to false upon model fetch
...th true or false into a boolean/tinyint field in the database, which uses 1 or 0 .
4 Answers
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promise already under evaluation: recursive default argument reference or earlier problems?
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164
Formal arguments of the form x=x cause this. Eliminating the two instances where they occur w...
How do I install an old version of Django on virtualenv?
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There was never a Django 1.0.7. The 1.0 series only went up to 1.0.4. You can see all the rele...
Which is the first integer that an IEEE 754 float is incapable of representing exactly?
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2mantissa bits + 1 + 1
The +1 in the exponent (mantissa bits + 1) is because, if the mantissa ...