What is the difference between the `map` and `each` methods in ruby? What is the difference between `find(id)` vs `find_by(id: id)` What is the difference between `destroy` vs `delete` What is the difference between `where(name: name)` vs `find_by(name: name)` What is the difference between `before_each` and `before_all` in RSpec?
Why did you leave that project/company?
Imagine a mobile fitness app. What new feature would you suggest to increase user engagement and motivation?
Questions about how you decide technical daily problems and experience
Asked management questions not technical one
I was asked about my experience, salary expectations, etc.
I was asked about the theory of OOP, networks, questions about Ruby syntax, Ruby on Rails, SQL and the ways to improve the performance and typical application bottlenecks.
Verbally describe how you would approach the design of a type-ahead search bar that would work in an offline system, used by millions of people.
Polymorphism in ROR
Caching in rails
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