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Pandas get topmost n records within each group

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How to get execution time in rails console?

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LINQ where vs takewhile

...d find all elements matching the condition var intList = new int[] { 1, 2, 3, 4, 5, -1, -2 }; Console.WriteLine("Where"); foreach (var i in intList.Where(x => x <= 3)) Console.WriteLine(i); Console.WriteLine("TakeWhile"); foreach (var i in intList.TakeWhile(x => x <= 3)) Console....
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Bootstrap 3 - Why is row class is wider than its container?

I just started using Bootstrap 3. I am having a difficult time understanding how the row class works. Is there a way to avoid the padding-left and padding-right ? ...
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How does numpy.histogram() work?

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Haskell: Converting Int to String

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How to concatenate strings with padding in sqlite

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How to get subarray from array?

I have var ar = [1, 2, 3, 4, 5] and want some function getSubarray(array, fromIndex, toIndex) , that result of call getSubarray(ar, 1, 3) is new array [2, 3, 4] . ...
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vs

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Convert a row of a data frame to vector

... | edited Oct 30 '19 at 16:15 answered Jan 23 '13 at 16:42 ...