John Smith questions

• Play & Akka and blocking threads for database access
• What are the guarantees for scala access qualifiers?
• Calling Scala Monads from Java #map
• Lower type bound on Scala field in mutable, covariant class?
• Java <-> Scala Collection conversions, Scala 2.10 [duplicate]
• scala class constructors and abstract types
• JPA Criteria API and type safety
• How is the Data Mapper pattern different from the Repository Pattern?
• Scala default parameters and null

John Smith answers