Describe a routine which returns the set of integers in {1..100} divisible without remainder by 3 but not by 9.
Ruby On Rails Software Engineer Interview Questions
553 ruby on rails software engineer interview questions shared by candidates
Write any raw joins query, no specific criteria
write a program to print pyramid pattern ? in any object oriented programming language .
This was a pair programming session with a Ruby engineer. They allow you to use your own laptop which was great but you only get 30 minutes to finish the problem with working unit tests. I think they re-use this pair programming problem so I'm not going to divulge details here. But it wasn't a particularly hard problem, they just want you to see how you code and test. Do not forget to write unit tests! Ideally you would develop it in a TDD fashion.
What type of data structure would you use to implement auto-complete functionality where memory usage needs to be minimized?
Am I equally comfortable with the front-end of the Rails stack as I am with the backend?
Technical Questions
Have you created any gem of yours?
If we have 8 same little balls, but one of them is less weight. How may times do we need to weigh them to define which ball is less weight?
How does map(&:to_i) internally works?
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