Pair Programming Links down or mis-directed

[Qstreet]

Learn Ruby on Rails: Book Two
Version 4.2.0, 2 August 2017

The three sites suggested for pair programming seem dead or invalid.

Look for opportunities to pair program. It’s the best way to learn to code, even if your pairing partner is only another beginner. Learn more about pair programming on the site pairprogramwith.me and find a pairing partner at codermatch.me or letspair.net.