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Reading output of a command into an array in Bash

...=$'\n' read -r -d '' -a my_array < <( my_command && printf '\0' ) Please make sure you use exactly this form, i.e., make sure you have the following: IFS=$'\n' on the same line as the read statement: this will only set the environment variable IFS for the read statement only. So it...
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Sort array of objects by single key with date value

... use Array.sort. Here's an example: var arr = [{ "updated_at": "2012-01-01T06:25:24Z", "foo": "bar" }, { "updated_at": "2012-01-09T11:25:13Z", "foo": "bar" }, { "updated_at": "2012-01-05T04:13:24Z", "foo": "bar" } ] arr.sort(function(a, b) { v...
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Why is this F# code so slow?

A Levenshtein implementation in C# and F#. The C# version is 10 times faster for two strings of about 1500 chars. C#: 69 ms, F# 867 ms. Why? As far as I can tell, they do the exact same thing? Doesn't matter if it is a Release or a Debug build. ...
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Build tree array from flat array in javascript

...on has : id : a unique id, parentId : the id of the parent node (which is 0 if the node is a root of the tree) level : the level of depth in the tree ...
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C++ auto keyword. Why is it magic?

...r templates on any compiler that even sort of attempted to implement C++98/03. As such, adding support for auto was apparently fairly easy for essentially all the compiler teams--it was added quite quickly, and there seem to have been few bugs related to it either. When this answer was originally w...
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Python: Using .format() on a Unicode-escaped string

... >>> s = u'\u2265' >>> print s ≥ >>> print "{0}".format(s) Traceback (most recent call last): File "<stdin>", line 1, in <module> UnicodeEncodeError: 'ascii' codec can't encode character u'\u2265' in position 0: ordinal not in range(128) >>> print...
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What is more efficient? Using pow to square or just multiply it with itself?

... expression) \ double test##num(double b, long loops) \ { \ double x = 0.0; \ \ boost::posix_time::ptime startTime = now(); \ for (long i=0; i<loops; ++i) \ { \ x += expression; \ x += expression; \ x += expression; \ x += expression; \ x +=...
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Making an iframe responsive

... 108 I present to you The Incredible Singing Cat solution =) .wrapper { position: relative; ...
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.NET JIT potential error?

...o, and running the release outside Visual Studio. I'm using Visual Studio 2008 and targeting .NET 3.5. I've also tried .NET 3.5 SP1. ...
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How do I check which version of NumPy I'm using?

... David Stansby 1,0851010 silver badges1616 bronze badges answered Oct 5 '09 at 14:02 SilentGhostSilentGhost ...