How to Sort Lists in Scala with Tail Recursion

This is one of the (dozens of) problems that we solve in the Scala & FP practice course, which in rough translation is “Scala for coding interviews”.
Daniel Ciocîrlan (@rockthejvm)

Image editing with Functors

This was originally written as a self attempt to better understand FP concepts like functors, applicatives, monads, etc. visually, by implementing them on images.
Adrian Salajan (@adrisalajan)

Tail Recursive Functions (in Scala)

Turning imperative algorithms to tail-recursive functions isn’t necessarily obvious. In this article (and video) I’m showing you the trick you need, and in doing so, we’ll discover the Zen of Functional Programming.
Alexandru Nedelcu (@alexelcu)

Algebraic Data Types (ADT) in Scala

In this video we'll explore Algebraic Data Types (or ADTs). We'll look at what kind of problem they solve (data modeling), what kind of ADTs we can have and how they look like, and give some practical advantages of structuring your data as ADTs such that your Scala code is composable, maintainable and easily testable.
Daniel Ciocîrlan (@rockthejvm)

Ep 6: Functional error handling with applicative in Scala 3

Continuing from episode 5 we find that Monads and Applicatives are actually what we need to make a nice simple instance of Numeric that handles errors with Either. Before that, however, I give a quick introduction to the Functor laws that provide the foundation for not only Functors but the things we can build on them. Monads and Applicatives for instance.
Functional Justin (@justinhj)

Programming with Functions #3 - Pattern Matching

Pattern matching as *The Feature* of Scala, case classes, the `apply` method, and sealed traits. The idea I want to convey is that with these simple constructs you can design your code around data. So, instead of big object-oriented design patterns, you can have just data structures and code handling them in a clear and concise way.
Maciej Gorywoda (@makingthematrix)

Lambda Days 2021, 16th - 19th February, Virtual Event

Don't forget to check the Diversity Scheme - we have a pool of tickets to be distributed among participants from groups underrepresented in IT.
LambdaDays (@LambdaDays)

Scala Love in the City, 13th February, Online Event

Come, come, come! Have a wonderful time together voicing solutions to problems as well as discussing education and Scala careers in the new millennium.
Scala Love (@scala_love)

ZIO World, 11th March, Online Event

Join ZIO users and contributors for the inaugural ZIO World, which reveals ZIO 2.0, providing inspiration and new opportunities to create the most powerful reactive applications on the JVM. FREE of charge for all ZIO Contributors and Users.
Ziverge (@zivergetech)

Unlock the Secrets of Scala 3 Macros, 24th February, online event (EST)

If we look deeper into Dotty Mirrors and inline, we discover an incredibly deep feature-set that elegantly solves a plethora of meta-programming problems.
Alexander Ioffe (@deusaquilus)

Why Scala 3 will be awesome, 11th February, online event (GMT)

With Scala 3 right around the corner, now is the perfect time to discover exciting new features, that will simplify or reinvent how we write Scala applications. In this talk, I will give you a taste of the future.
Piotr Gołębiewski

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