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How to sort a dataFrame in python pandas by two or more columns?
...of sort:
df.sort(['a', 'b'], ascending=[True, False])
For example:
In [11]: df1 = pd.DataFrame(np.random.randint(1, 5, (10,2)), columns=['a','b'])
In [12]: df1.sort(['a', 'b'], ascending=[True, False])
Out[12]:
a b
2 1 4
7 1 3
1 1 2
3 1 2
4 3 2
6 4 4
0 4 3
9 4 3
5 4 1
8 4...
pandas: multiple conditions while indexing data frame - unexpected behavior
...93C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.69...
Rails has_many with alias name
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Mickaël Rémond
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answered Jul 22 '09 at 4:32
Sam SaffronSam Saffron
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How can I get name of element with jQuery?
...luchetti
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9
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sqlalchemy IS NOT NULL select
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Josh
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answered May 12 '16 at 20:30
Filipe SpindolaFilipe ...
Difference between ProcessBuilder and Runtime.exec()
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answered Jul 28 '11 at 9:18
Luke WoodwardLuke Woodward
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How to detect if a specific file exists in Vimscript?
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I get E116: Invalid arguments for function. How do you specify the file relative to the home directory to check for a plugin? (See also here)
– Scz
Jul 23 '15 at 9:23
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Difference between git pull and git pull --rebase
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Sep 21 '13 at 8:28
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Show hidden div on ng-click within ng-repeat
...93C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.69...
How to delete a record in Django models?
...WolphWolph
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57
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