Skip to content

Instantly share code, notes, and snippets.

@tpitale

tpitale/gist:128133

Created June 11, 2009 18:25
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save tpitale/128133 to your computer and use it in GitHub Desktop.
Save tpitale/128133 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
gistfile1.rb
> ratings = (1..21).to_a
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21]
> ratings.map { ratings.slice!(0,2) }
=> [[1, 2], [3, 4], [5, 6], [7, 8], [9, 10], [11, 12], [13, 14]]
> ratings
=> [15, 16, 17, 18, 19, 20, 21]
# why are those left over?
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment