Ruby on Rails Remove Blank elements from array

Sometimes, when you are working with arrays it is possible to have  empty elements,therefore you will need to clean it. In this section I will show you how to remove blank elements from a array using either Ruby on Rails or just Ruby.

Given the array called test
=> ["test", "", 1, 2, ""]

so, to remove the blank elements this is the syntax:

for Ruby on Rails:

test.reject &:blank? 

For Ruby:
  test.reject &:empty?