https://bit.ly/2Q9SGzO Enter and see the secret sale page at Dbschema.
My code: https://github.com/jhannah/talk-nested-set-model DBIx::Class::Tree::NestedSet: https://metacpan.org/pod/DBIx::Class::Tree::NestedSet Omaha Perl Mongers: http://omaha.pm.org/ Presented at the Omaha Ruby & Open Source meetup: http://www.meetup.com/Omaha-Ruby-Meetup/
