w2d1

Question 1

How do you pass parameters from a child class’s initialize up to the parent’s initialize?

Answer 1

super

this magically passes parameters up

Question 2

What’s the full way to wrap code that might throw an exception and that we want to do over and over until it works?

Answer 2

begin
retry
raise
rescue
ensure
end

Question 3

Why can you use a retry statement within a method without using begin/end?

Answer 3

method and class definitions are implicitly wrapped in begin/end blocks

Question 4

How many lines makes a class a behemoth that should probably be broken down into smaller classes?

Answer 4

300

Question 5

What happens when a class hits 300 lines?

Answer 5

We declare it a behemoth and start looking for ways to refactor

Question 6

How do you set up a singleton in ruby?

Answer 6

inside your class:

include Singleton