Learn how to use Slick.
Here's what I've written (so far):
Learn how to convert binary input streams into text using Scala.
A quick and practical introduction to Companion Objects in Scala.
A quick and practical overview of polymorphism in Scala.
Learn about data types in Scala.
Learn how to create a Fat JAR Using SBT.
Learn about monoids and semigroups in Scala.
A quick and practical overview of the implementation of the Pimp My Library pattern in Scala.
Have a look at several ways to configure the JVM heap size for applications built with SBT.
Learn about type casting in Scala.