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SQL server query to get the list of columns in a table along with Data types, NOT NULL, and PRIMARY
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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[...
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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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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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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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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