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How to determine whether a Pandas Column contains a particular value
...s working, except when I fed it a value that I knew was not in the column 43 in df['id'] it still returned True . When I subset to a data frame only containing entries matching the missing id df[df['id'] == 43] there are, obviously, no entries in it. How to I determine if a column in a Pandas d...
C-like structures in Python
...use Raymond Hettinger's named tuple recipe if you need to support Python 2.4.
It's nice for your basic example, but also covers a bunch of edge cases you might run into later as well. Your fragment above would be written as:
from collections import namedtuple
MyStruct = namedtuple("MyStruct", "fie...
clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
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Single TextView with multiple colored text
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Merthan E
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answered May 23 '11 at 7:53
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JUnit test with dynamic number of tests
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Take a look at Parameterized Tests in JUnit 4.
Actually I did this a few days ago. I'll try to explain ...
First build your test class normally, as you where just testing with one input file.
Decorate your class with:
@RunWith(Parameterized.class)
Build one constr...
How to iterate over the keys and values with ng-repeat in AngularJS?
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1414
How about:
<table>
<tr ng-repeat="(key, value) in data">
<td> {{key}}...
How to add an empty column to a dataframe?
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463
If I understand correctly, assignment should fill:
>>> import numpy as np
>>&g...
Bootstrap 3 offset on right not left
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Bootstrap rows always contain their floats and create new lines. You don't need to worry about f...
What is the fastest way to compute sin and cos together?
... is yet another example (with gcc): http://www.allegro.cc/forums/thread/588470
Hope one of them helps.
(I didn't use this instruction myself, sorry.)
As they are supported on processor level, I expect them to be way much faster than table lookups.
Edit:
Wikipedia suggests that FSINCOS was added a...