Installation

Question 1

what is RVM and what does it stand for?

Answer 1

Ruby Version Manager

a command-line tool which allows you to easily install, manage, and work with multiple ruby environments from interpreters to sets of gems.

Question 2

what is Homebrew?

Answer 2

A commonly used package manager on macOS.

Installing Ruby using Homebrew is easy:
$ brew install ruby

Question 3

what is rbenv?

Answer 3

a Ruby Version Manager

Question 4

what command allows you to use RubyGems?

Answer 4

gem

Question 5

what command allows you to install RubyGems?

Answer 5

gem install [gem_name]

Question 6

what is the Gemfile?

Answer 6

a simple solution for organizing gems and their dependencies in a central location.

Question 7

how do you use pry gem for debugging?

Answer 7

add require “pry” and insert a binding.pry in your file

Question 8

when a new pry session is opened via binding.pry and you’re done debugging, what command continues executing the program?

Answer 8

Ctrl + D