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Rank items in an array using Python/NumPy, without sorting array twice

I have an array of numbers and I'd like to create another array that represents the rank of each item in the first array. I'm using Python and NumPy. ...
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Difference between HEAD and master

What is the difference between the HEAD and master in Git? 3 Answers 3 ...
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Java “lambda expressions not supported at this language level”

I was testing out some new features of Java 8 and copied the example into my IDE (Eclipse originally, then IntelliJ) as shown here ...
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Quickly create a large file on a Linux system

...her answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast: For example: fallocate -l 10G gentoo_root.img ...
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I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.

....add(Calendar.DAY_OF_MONTH, -48) to do day arithmetic on Calendar objects. And you can compare two Calendar objects using cal.compareTo(anotherCal). – Florent Guillaume Feb 27 '12 at 23:55 ...
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Use find command but exclude files in two directories

...t to find files that end with _peaks.bed , but exclude files in the tmp and scripts folders. 6 Answers ...
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Convert PDF to clean SVG? [closed]

... Wikipedia to convert PDF to SVG. http://inkscape.org/ They even have a handy guide on how to do so! http://en.wikipedia.org/wiki/Wikipedia:Graphic_Lab/Resources/PDF_conversion_to_SVG#Conversion_with_Inkscape share ...
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Why are preprocessor macros evil and what are the alternatives?

...d encountered a phrase like "macro should never be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alternative after so many years? ...
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What's the standard way to work with dates and times in Scala? Should I use Java types or there are

What's the standard way to work with dates and times in Scala? Should I use Java types such as java.util.Date or there are native Scala alternatives? ...
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How can I negate the return-value of a process?

...at negates the value a process returns. It should map 0 to some value != 0 and any value != 0 to 0, i.e. the following command should return "yes, nonexistingpath doesn't exist": ...