Free Monad in Scala
A tutorial on the Free monad in Scala, how it works and what it’s good for.
Recent posts
Scala 3 and General Type Projections
Scala general type projections are unsound and were removed in Scala 3 - what do you mean?
Scala Generics: A Gentle Introduction
Scala generics are easy to understand if you come from a Java background. But what about Python or JS folks?
A Scala project with Akka, Cats and Cassandra
Akka, Cats and Cassandra in a bigger Scala project integrating multiple pieces in the Scala ecosystem.
Akka Typed: Actor Discovery
A common pattern in Akka Typed: how to find actors that are not explicitly passed around.
How to make a Snake game in Scala
The ultimate 10-minute tutorial to a Snake game in Scala.
FS2 Tutorial: More than Functional Streaming in Scala
The ultimate tutorial to purely functional streams in Scala with FS2.
Streaming Analytics with Apache Pulsar and Spark Structured Streaming
We’ll discuss the role Apache Pulsar plays in the event streaming and computing landscape, the use cases you can implement with Pulsar and when more advanced...
A 2021 Retrospective
Wrapping up 2021 with an overview of what’s happened this year at Rock the JVM.
Learn Doobie for the Greater Good
We rely on the JDBC specification if we need to connect to SQL databases in the JVM ecosystem. However, JDBC is not a good fit if we use functional programmi...