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Python Pandas: Get index of rows which column matches certain value
....DataFrame({'BoolCol': [True, False, False, True, True]},
index=[10,20,30,40,50])
In [53]: df
Out[53]:
BoolCol
10 True
20 False
30 False
40 True
50 True
[5 rows x 1 columns]
In [54]: df.index[df['BoolCol']].tolist()
Out[54]: [10, 40, 50]
If you want to use the index,
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Set the selected index of a Dropdown using jQuery
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I'm writing this answer in 2015, and for some reason (probably older versions of jQuery) none of the other answers have worked for me. I mean, they change the selected index, but it doesn't actually reflect on the actual dropdown.
Here is another way ...
CSS: Animation vs. Transition
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Zach SaucierZach Saucier
20.4k1010 gold badges6868 silver badges120120 bronze badges
a...
Why does visual studio 2012 not find my tests?
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answered Apr 20 '13 at 5:10
OurjamieOurjamie
2,38911 gold badge1010 silver badges99 bronze badges
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What is the point of “final class” in Java?
...no longer immutable.
– Cruncher
Sep 20 '13 at 16:30
1
@Sortofabeginner And as soon as you say yo...
Getting the last argument passed to a shell script
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Laurence GonsalvesLaurence Gonsalves
120k2929 gold badges213213 silver badges259259 bronze badges
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View/edit ID3 data for MP3 files
...mer 3" };
– nokturnal
Aug 15 '11 at 20:28
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Is a Java hashmap search really O(1)?
...amortized analyis?
– lostsoul29
Feb 20 '17 at 19:17
1
@OleV.V. good performance of a HashMap is a...
How to comment a block in Eclipse?
... removed with Ctrl+/
– Inversus
May 20 '13 at 20:06
@IOS_Dev: I suspect that's a general Mac/PC thing. Will edit to no...
How to convert the ^M linebreak to 'normal' linebreak in a file opened in vim?
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20
:e ++ff=dos followed by :set ff=unix will convert the endings to a sane format.
– Mateen Ulhaq
Mar 2...
