It’s obvious that Spark allows us to join tables. What’s not obvious is how many different kinds of joins Spark supports. We explore them in this article.
Broadcast joins in Apache Spark are one of the most bang-for-the-buck techniques for optimizing speed and avoiding memory issues. Let’s take a look.
Exploring a quick but powerful structure in Scala 3 - type lambdas. This will help you think higher-level.
Scala has a powerful type system. We look at how Scala types can be organized, what type constructors are, and why we should care.
We discover opaque type aliases in Scala 3 and how we can define new types with zero overhead.