Ruby

What angle is formed between the minute and hour hands of a clock showing the time 3:15?

What is an argument for a class?

What is an application server?.

What is a lambda and a procedure in Ruby?

What is a Ractor in Ruby?

What happens in a Ruby application when a user visits a website page?

What is cooperative and preemptive multitasking?

What mechanisms exist for disrupting the operation of a specific part of a project?

What needs to be done to prevent the database from slowing down as data volume increases?

How is preemptive multitasking implemented in Ruby?

What is the key in an array and in a hash?

How is the request processing cycle organized in Ruby on Rails?

How can unrelated objects be passed to a function?

What are the advantages of hash in Ruby?

What should be done if two workers access the same data simultaneously?

What is TCP/IP?

What types of indexes do you know?

How to implement model inheritance or polymorphic associations in Ruby on Rails?

What does the architectural pattern MVC mean to you?

At what point is the controller object created and what is its lifetime?