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Add column with number of days between dates in DataFrame pandas
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df['A'] = pd.to_datetime(df['A'])
df['B'] = pd.to_datetime(df['B'])
In [11]: df.dtypes # if already datetime64 you don't need to use to_datetime
Out[11]:
A datetime64[ns]
B datetime64[ns]
dtype: object
In [12]: df['A'] - df['B']
Out[12]:
one -58 days
two -26 days
dtype: timedelta64[ns...
Changing Mercurial “Default” Parent URL
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Community♦
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answered Nov 3 '15 at 13:02
naXanaXa
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Get all elements but the first from an array
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LBushkinLBushkin
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B-Tree vs Hash Table
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117
You can only access elements by their primary key in a hashtable.
This is faster than with a t...
What is ApplicationException for in .NET?
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answered Apr 16 '11 at 10:36
FemarefFemaref
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How to add a footer to a UITableView in Storyboard
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dbrajkovicdbrajkovic
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What exactly does the Access-Control-Allow-Credentials header do?
... John
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answered Jul 11 '14 at 3:40
monsurmonsur
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Putting text in top left corner of matplotlib plot
...ure, text, scatter, show
In [18]: f = figure()
In [19]: ax = f.add_subplot(111)
In [20]: scatter([3,5,2,6,8],[5,3,2,1,5])
Out[20]: <matplotlib.collections.CircleCollection object at 0x0000000007439A90>
In [21]: text(0.1, 0.9,'matplotlib', ha='center', va='center', transform=ax.transAxes)
Out[2...
What is the wix 'KeyPath' attribute?
...93C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.69...
Difference between namespace in C# and package in Java
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RuudVanNistelrooyRuudVanNistelrooy
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