Sudoku webapp. Just for fun (done at Makers). Ruby and Sinatra. Features a neat recursive solver, and a generator guaranteed to generate puzzles with a unique solution.
Part of the initial solver implementation was done pair-programming with Bruce Steedman.
Install deps with
bundle install, run with
rackup, test with
Running instance at http://sudoku.simonwoolf.net/. (Running on Heroku's free tier, so will take a few seconds to load the first time).