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Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)

... 502 I would suggest using the duplicated method on the Pandas Index itself: df3 = df3[~df3.index.du...
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Why is printing to stdout so slow? Can it be sped up?

... I ran your file writing test on my machine, and with buffering, it also 0.05s here for 100,000 lines. However, with the above modifications to write unbuffered, it takes 40 seconds to write only 1,000 lines to disk. I gave up waiting for 100,000 lines to write, but extrapolating from the previou...
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How would I extract a single file (or changes to a file) from a git stash?

...D when the stash was created. So you can treat stash (e.g. stash@{0} is first / topmost stash) as a merge commit, and use: $ git diff stash@{0}^1 stash@{0} -- <filename> Explanation: stash@{0}^1 means the first parent of the given stash, which as stated in the explanation above is ...
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Extracting text OpenCV

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Why does the indexing start with zero in 'C'?

...f the array is exactly contained in the memory location that array refers (0 elements away), so it should be denoted as array[0]. For more info: http://developeronline.blogspot.com/2008/04/why-array-index-should-start-from-0.html ...
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How to programmatically set drawableLeft on Android button?

... 1079 You can use the setCompoundDrawables method to do this. See the example here. I used this with...
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Best way to format integer as string with leading zeros? [duplicate]

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100% width Twitter Bootstrap 3 template

I am a bootstrap newbie and I have a 100% wide template that I want to code with bootstrap. The first column begins at the left corner and I have a Google map the stretches to the rightmost. I thought I could do this with container-fluid class, but that doesn't seem to be available any longer. I h...
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What does `someObject.new` do in Java?

... 120 It's the way to instantiate a non-static inner class from outside the containing class body, as ...
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Set time part of DateTime in ruby

...e a datetime object eg DateTime.now . I want to set hours and minutes to 0 (midnight). How can I do that? 4 Answers ...