Vor einer Weile hat mich mein Vater gebeten ihm zu helfen herauszufinden wie viel Strom seiner neuen Photovoltaikanlage er an seinen Energieanbieter verschenkt, wenn er sie ins Netz einspeist.

A few weeks ago sbt version 1.0.0 has been released. One of the big ticket items in this release has been an improved incremental compiler that needs to compile less and therefore is faster. Slow builds are a common complaint for Scala developers so this generated a lot of excitement.

How to combine Circe’s semi-automatic derivation with snake case keys took me a little while to find out.

If you want to run a task on startup in sbt 0.13 you’d probably do something like this:

Compiling and testing sbt projects on hosted CI platfroms like Travis and Gitlab CI is dominated by downloading the required dependencies from Maven Central.