The word has multiple meanings as the site codehappiness.com tries to popularise.

meaning 1:

code - meaning:
1. A coding system used for transmitting messages requiring brevity or secrecy
2. A set of rules, principles or laws (especially written ones)

the meaning intended is create happiness like you create software

meaning 2:
happiness that you get when you code(write computer program)
examples for codehappiness.com:
1. the meaning intended is create happiness like you create software

2. happiness that you get when you code(write computer program)
by codehappiness.com November 28, 2011
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