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Returns the arc cosine of arg in radians. acos() is the inverse function of cos(), which means that a==cos(acos(a)) for every value of a that is within acos()' range. ArrayFlip returns an array in ...

Through this tutorial I will help you to solve the problem if "array_column" function is not working. May be you are using the older version of PHP. Let me remind you, this will work with 5.5 version ...

Well, I need to get a median value for a set of numbers, from a query. To my surprise, Sql Server does not have a median function/sproc (well, if you install the analysis tools you do, but I can't ...

PHP::Interpreter, as this article shows, allows you to use PHP's mature support for databases and other features natively in Perl, and also to use Perl's vast number of CPAN modules to extend your PHP ...