Q. What are indexes and how they are useful and help in database.
Ruby On Rails Interview Questions
568 ruby on rails interview questions shared by candidates
Q. How will you print 1-10 using two threads.
They asked mainly what I was doing in my previous companies, my experience with optimizing Ruby.
What is N+1 problem? How do you solve it?
No questions obviously
System design question.
Difference between Modules and Concerns?
What is your biggest weakness?
Explain how everything is an object in Ruby.
1. First round - find duplicated elements in array and other similar problems 2. Second round - design elevator.
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