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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

... 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 ...
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CSS: Animation vs. Transition

... Zach SaucierZach Saucier 20.4k1010 gold badges6868 silver badges120120 bronze badges a...
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Why does visual studio 2012 not find my tests?

... 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...
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Getting the last argument passed to a shell script

... 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...
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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...
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How to convert the ^M linebreak to 'normal' linebreak in a file opened in vim?

... 20 :e ++ff=dos followed by :set ff=unix will convert the endings to a sane format. – Mateen Ulhaq Mar 2...