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Order data frame rows according to vector with specific order

...cording to a "target" vector as the one I implemented in the short example below? 5 Answers ...
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Sequence-zip function for c++11?

With the new range-based for loop we can write code like 13 Answers 13 ...
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Opposite of %in%: exclude rows with values specified in a vector

A categorical variable V1 in a data frame D1 can have values represented by the letters from A to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in% ...
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How to add a progress bar to a shell script?

When scripting in bash or any other shell in *NIX, while running a command that will take more than a few seconds, a progress bar is needed. ...
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How to remove the first Item from a list?

...st [0, 1, 2, 3, 4] I'd like to make it into [1, 2, 3, 4] . How do I go about this? 10 Answers ...
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How to toggle a boolean?

Is there a really easy way to toggle a boolean value in javascript ? 6 Answers 6 ...
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Is there a way to define a min and max value for EditText in Android?

...om.test; import android.text.InputFilter; import android.text.Spanned; public class InputFilterMinMax implements InputFilter { private int min, max; public InputFilterMinMax(int min, int max) { this.min = min; this.max = max; } public InputFilterMinMax(String min...
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Converting string into datetime

... datetimes. It can handle all sorts of formats, with the format determined by a format string you give it: from datetime import datetime datetime_object = datetime.strptime('Jun 1 2005 1:33PM', '%b %d %Y %I:%M%p') The resulting datetime object is timezone-naive. Links: Python documentation f...
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Easier way to create circle div than using an image?

... Here's a demo: http://jsfiddle.net/thirtydot/JJytE/1170/ CSS: .circleBase { border-radius: 50%; behavior: url(PIE.htc); /* remove if you don't care about IE8 */ } .type1 { width: 100px; height: 100px; background: yellow; border: 3px solid red; } .type2 { width: 50p...
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How to get the Power of some Integer in Swift language?

I'm learning swift recently, but I have a basic problem that can't find an answer 20 Answers ...