for ruby on rails, acts_as_having_string_id [0] is a nice gem for not exposing sequential int primary keys: it's nicer than using UUIDs because the strings are

for ruby on rails, acts_as_having_string_id [0] is a nice gem for not exposing sequential int primary keys: it's nicer than using UUIDs because the strings are much shorter. [0]: https://github.com/hult/acts_as_having_string_id https://github.com/hult/acts_as_having_string_id