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technology

A collection of 3 posts

Create admin user on Mac OS X as root

23 February 2014
mac

Dancing with Nginx

15 January 2014
nginx
In Ruby, you can simply negate an expression by using "!" abc = 'abc' !abc #=> false Similarly,   abc = 'abc' !abc #=> false !!abc #=> true Ruby's double-bang negates the negated statement, which almost always will give you true. a = 0 b = 1 c = true d = false !a #=> false

The double bang

06 April 2013
technology
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