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how do I insert a column at a specific column index in pandas?
... [4, 5, 6]})
df
Out:
B C
0 1 4
1 2 5
2 3 6
idx = 0
new_col = [7, 8, 9] # can be a list, a Series, an array or a scalar
df.insert(loc=idx, column='A', value=new_col)
df
Out:
A B C
0 7 1 4
1 8 2 5
2 9 3 6
...
How to find the installed pandas version
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375
Check pandas.__version__:
In [76]: import pandas as pd
In [77]: pd.__version__
Out[77]: '0.12...
Filter Fiddler traffic
...
Pang
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answered Nov 4 '10 at 16:38
stuartdstuartd
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How does Rails keep track of which migrations have run for a database?
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167
Rails creates a table in your database called schema_migrations to keep track of which migration...
What are the correct link options to use std::thread in GCC under linux?
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edited Oct 4 '17 at 23:54
Earth Engine
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BigDecimal setScale and round
...rom the leftmost nonzero digit of the exact result. docs.oracle.com/javase/7/docs/api/java/math/BigDecimal.html
– Eddy
Sep 6 '16 at 7:06
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Newline in markdown table?
...essing (reference)
– Dinei
Aug 18 '17 at 15:45
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Should I avoid 'async void' event handlers?
... Stephen ClearyStephen Cleary
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Checking out Git tag leads to “detached HEAD state”
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answered Apr 7 '11 at 14:01
Noufal IbrahimNoufal Ibrahim
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Django queries - id vs pk
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37
Yep. Just use pk. Always.
– cethegeek
Jan 30 '10 at 20:23
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