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How can I make pandas dataframe column headers all lowercase?
... XRAT tcgdp
0 Canada CAN 2001 1.54876 9.249094e+05
1 Canada CAN 2002 1.56932 9.572999e+05
2 Canada CAN 2003 1.40105 1.016902e+06
In [64]: df.columns = df.columns.str.lower()
In [65]: df
Out[65]:
country country isocode year xrat ...
How can I find out what FOREIGN KEY constraint references a table in SQL Server?
I am trying to drop a table but getting the following message:
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C/C++ check if one bit is set in, i.e. int variable
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Convert DataFrame column type from string to datetime, dd/mm/yyyy format
...isn't strict).
Here it is in action:
In [11]: pd.to_datetime(pd.Series(['05/23/2005']))
Out[11]:
0 2005-05-23 00:00:00
dtype: datetime64[ns]
You can pass a specific format:
In [12]: pd.to_datetime(pd.Series(['05/23/2005']), format="%m/%d/%Y")
Out[12]:
0 2005-05-23
dtype: datetime64[ns]
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How to smooth a curve in the right way?
Lets assume we have a dataset which might be given approximately by
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How to comment out a block of Python code in Vim
I was wondering if there was any key mapping in Vim to allow me to indent certain lines of code (whether those lines have been selected in visual mode, or n lines above/below current cursor position).
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How to create a MySQL hierarchical recursive query
I have a MySQL table which is as follows:
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ProcessStartInfo hanging on “WaitForExit”? Why?
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answered Sep 30 '11 at 10:05
Mark ByersMark Byers
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Opening a folder in explorer and selecting a file
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answered Oct 3 '10 at 23:05
Adrian HumAdrian Hum
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What is the difference between range and xrange functions in Python 2.X?
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edited Aug 16 '19 at 18:05
Nickolay
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