Sync, Async and (non) blocking in Scala and Akka
We discuss the tradeoffs between 3 different styles of writing parallel code, in terms of thread use (and other effects) in Scala and Akka.
Recent posts
4 Nice Ways to Read Files in Scala
Learn to read files in Scala like a boss and compare it to other styles in other languages. We write a simple API which looks almost as easy as Python’s read...
3 Fun Tricks with Call-By-Name in Scala
Maximize the call-by-name semantics in Scala and manipulate your results when you want them.
Reading Spark DAGs
We walk you through one of the foundational skills for Spark performance optimization: reading the Spark UI and the graph of how your job is structured.
Much Ado About Nothing in Scala
We go on a short trip to Nothing (and nothing-ness) in Scala. Nothing is actually pretty useful.
How Things Don’t Make Sense - Scala Loops
Daniel goes into another rant about learning (and teaching) Scala using loops. Are they actually useful?
Materialized Values in Akka Streams
We demystify one of the hardest concepts in Akka Streams: materialized values.
Reading Spark Query Plans
In this article you’ll learn one of the most important Spark skill: reading how your job will run. This is foundational to any further Spark optimization.
How Things Don’t Make Sense - Scala Variables
Daniel goes into a small rant about learning (and teaching) Scala using variables.
Higher-Order Functions for OO Programmers
For OO programmers looking to dive into functional programming in Scala: a gentle introduction to functions working with other functions.