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What is the ultimate postal code and zip regex?
I'm looking for the ultimate postal code and zip code regex. I'm looking for something that will cover most (hopefully all) of the world.
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Integer division with remainder in JavaScript?
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Re-ordering columns in pandas dataframe based on column name [duplicate]
... Q6.1 Q1.2 Q9.1 Q10.2
0 73 29 63 51 72
1 61 29 32 68 57
2 36 49 76 18 37
3 63 61 51 30 31
4 36 66 71 24 77
Then do:
data.reindex_axis(sorted(data.columns, key=lambda x: float(x[...
Select records from NOW() -1 Day
Is there a way in a MySQL statement to order records (through a date stamp) by >= NOW() -1 so all records from the day before today to the future are selected?
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Get first n characters of a string
...o trim a string to a specific number of characters, and append '...' if needed?
19 Answers
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What is a sealed trait?
Sealed classes are described in 'Programming in Scala', but sealed traits are not.
Where can I find more information about a sealed trait?
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Does pandas iterrows have performance issues?
... 25
2 b -10 0.1 -1
3 b -10 0.4 -4
In [61]: df.groupby('letter')['calc'].max()
Out[61]:
letter
a 25
b -1
Name: calc, dtype: float64
In [62]: df.groupby('letter')['calc'].idxmax()
Out[62]:
letter
a 1
b 2
Name: calc, dtype: int64
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How do I get the difference between two Dates in JavaScript?
I'm creating an application which lets you define events with a time frame. I want to automatically fill in the end date when the user selects or changes the start date. I can't quite figure out, however, how to get the difference between the two times, and then how to create a new end Date using ...