XOR
August 20th, 2012
if a ^ b
What the hell is that carrot doing there? ….It’s an “exclusive or”.
It’s the same as saying:
(a && !b) || (!a && b)
which also means…
a | b |
0 | 0 | f
0 | 1 | t
1 | 0 | t
1 | 1 | f
Damn, useful… sometimes.
Entry Filed under: Professional,Ruby on Rails
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