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Ruby on Rails · Intermediate
10 questions · Question 1 of 10
10%
Multiple Choice
Mid
Explain Ruby on Rails Exception Handling
A
1. before validation 2. before validation on create 3.
B
Consider: User.group(:email).having(count(email) 1)
C
The general flow of begin/rescue/else/ensure/end looks like this: begin something which might raise an exception rescue SomeExceptionClass = some variable code that deals with some exception rescue SomeOtherException...
D
Hash's key? method tells you whether a given key is present or not.
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