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Pandas DataFrame column to list [duplicate]
..._list method.
For example:
import pandas as pd
df = pd.DataFrame({'a': [1, 3, 5, 7, 4, 5, 6, 4, 7, 8, 9],
'b': [3, 5, 6, 2, 4, 6, 7, 8, 7, 8, 9]})
print(df['a'].to_list())
Output:
[1, 3, 5, 7, 4, 5, 6, 4, 7, 8, 9]
To drop duplicates you can do one of the following:
>&...
Which is faster in Python: x**.5 or math.sqrt(x)?
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14 Answers
14
Active
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How to perform element-wise multiplication of two lists?
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14 Answers
14
Active
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How to use glOrtho() in OpenGL?
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151
Have a look at this picture: Graphical Projections
The glOrtho command produces an "Oblique"...
How can I find out if I have Xcode commandline tools installed?
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162
/usr/bin/xcodebuild -version
will give you the xcode version, run it via Terminal command
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Difference between JAX-WS, Axis2 and CXF
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144
The JAX-WS implementation built into the JDK really is just the basic soap stuff. If you need...
Rails 3 execute custom sql query without a model
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168
Maybe try this:
ActiveRecord::Base.establish_connection(...)
ActiveRecord::Base.connection.ex...
How do you delete an ActiveRecord object?
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It's destroy and destroy_all methods, like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :after_destroy callbacks or any dependent associ...
Why use make over a shell script?
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132
The general idea is that make supports (reasonably) minimal rebuilds -- i.e., you tell it what...
How do I enter RGB values into Interface Builder?
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edited Jul 10 '17 at 21:59
answered Apr 2 '10 at 4:41
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