Making the impossible, impossible

Sam and Ryan talk about Functional CSS training at EmberConf Some ideas for hiding styling implementation details from templates A new setup for multiple staging environments An idea from data modeling called “Making the impossible, impossible” How to use data down actions up effectively in forms They also answer some listener questions: When should I use polymorphic or reflexive relationships? When do I need to explicitly name a relationship’s inverse? When should I reference relationships and when should I embed them?