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bdthinh/RoR operator trick

Created September 3, 2013 20:12
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Some trick with operator in RoR
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RoR operator trick
user_name = (user.authenticated? && user.name) || 'guest'
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bdthinh commented Sep 3, 2013

wheels = 2
wheels == 0 ? "Unknown Vehicle" : wheels <= 2 ? "Unicycle/Motorcyle/Scooter" : "Car/Truck"

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bdthinh commented Sep 3, 2013

backquotes:
date
dir
...

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