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Best way to simulate “group by” from bash?

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Finding median of list in Python

...ated by taking the average of the two middle values: >>> median([1, 3, 5]) 3 >>> median([1, 3, 5, 7]) 4.0 Usage: import statistics items = [6, 1, 8, 2, 3] statistics.median(items) #>>> 3 It's pretty careful with types, too: statistics.median(map(float, items)) #&...
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How to reshape data from long to wide format

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inline conditionals in angular.js

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Removing duplicate objects with Underscore for Javascript

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Moving average or running mean

... NumPy function or module for Python that calculates the running mean of a 1D array given a specific window? 27 Answers ...
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do..end vs curly braces for blocks in Ruby

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Truncate number to two decimal places without rounding

Suppose I have a value of 15.7784514, I want to display it 15.77 with no rounding. 36 Answers ...
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Activity transition in Android

How can I define the transition between two activities for Android 1.5 and later? I would like an activity to fade in. 14 ...
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How to remove element from array in forEach loop?

...tion(item, index, object) { if (item === 'a') { object.splice(index, 1); } }); log(review); <pre id="out"></pre> Which works fine for simple case where you do not have 2 of the same values as adjacent array items, other wise you have this problem. var pre = document.g...