matejcerny 7 months ago

While you all know the fold function, not everyone is aware of its powerful counterpart, unfold. #scala #haskell

Folding Cheat Sheet #9 - List Unfolding - 'unfold' as the Computational Dual of 'fold', and how 'unfold' relates to 'iterate' - All Slides

matejcerny 7 months ago

I'm almost ashamed to admit that I only discovered global sbt settings a month ago 🙄 #scala

On the Way to Another Dawn

[Scala] Quick experimentation vs -Xfatal-warnings flag in sbt

Problem I’ve always had mixed feelings about scalacOptions += "-Xfatal-warnings". On one hand, it’s an inevitable PR review and cod...

matejcerny 7 months ago

"The best way to approach concurrency is to master the fundamentals" #scala #concurrency

On the Way to Another Dawn

[Scala] Fundamental Concurrency Problems and Solutions

The best way to approach concurrency is to master the fundamentals. Below is a small collection of foundational concurrency problems with practical...

matejcerny 7 months ago

Trying my friend's new home gym. All you need is a barbell, a rack, and a bench 💪

matejcerny 7 months ago

If you're still struggling with the migration to Scala 3, there are two new articles worth reading: 👉

tanin

My experience migrating a PlayFramework app to Scala 3

I have a small PlayFramework app (https://superintendent.app) that I just migrated to Scala 3. Here are my learnings: The goods 1. Scala 2 synt...

👉 https://medium.com/@w.pitula/yet-another-scala-3-migration-story-6ecd47966be0 #scala

matejcerny 8 months ago

This is what you should take from this year's WWDC, not that it's the macOS Vista 😂 #apple #wwdc #docker

matejcerny 8 months ago

Hot take: Spark has one of the best APIs in the Scala space.

matejcerny 8 months ago

Disappointing, like Go itself. TL;DR: No changes to error handling are planned. #golang

[ On | No ] syntactic support for error handling - The Go Programming Language

Go team plans around error handling support

matejcerny 8 months ago

To be honest, I haven't tried the MCP support in Metals yet 👴 #scala

SoftwareMill

A Beginner

Enhance the capabilities of agentassisted Scala development by using the Metals MCP server, providing the context that AI needs to write quality code.

matejcerny 8 months ago

Fantastic meetup yesterday! Shout out to the organizers and speakers for putting it all together. It was like looking into my CV: first job - Futures, next job - Actors, then monad transformers, and now tagless final. 😂

matejcerny 8 months ago

If you're a fan of Tapir, you'll want to see how ZIO (natively) handles type-driven http endpoints, OpenAPI generation, codecs etc. #scala

matejcerny 8 months ago

Before rewriting your code to use named tuples in pattern matching, keep in mind that there are situations where the "old" approach with a bunch of underscores can be a better option. #scala

matejcerny 8 months ago

The latest release of Metals adds a neat new status bar! #scala

Metals v1.6.0 - Osmium | Metals

matejcerny 8 months ago

A keen introduction to Scala 3's context functions. Can they replace traditional monadic error handling? #scala

matejcerny 8 months ago

Scala 3.7.1, the first patch release for the 3.7 series, is now available. 🎉 It brings support for the upcoming JDK 25, along with key stability improvements and bug fixes. #scala

GitHub

Release 3.7.1 · scala/scala3

Highlights of the release Support for JDK 25 #23004 Warn if interpolator uses toString #20578 Warn if match in block is not used for PartialFuncti...

matejcerny 8 months ago

Hearing about the downtrend for Scala makes me wonder how many Scala developers are out there. The official Scala X account has ~30k followers. Is the actual number of developers more than this, or less? Do you have any tips? #scala #rust

X (formerly Twitter)

Igal Tabachnik (@hmemcpy) on X

I was recently invited on a podcast to talk about using Rust at work, and my journey to Rust coming from a more functional background. Here's my ra...

matejcerny 8 months ago

I read somewhere that the "vimification" of every program on your computer is just a phase in life. But damn, this extension is awesome! 😂 #vim https://chromewebstore.google.com/detail/vimium/dbepggeogbaibhgnhhndojpepiihcmeb

matejcerny 8 months ago

For all the Czechs here, today's Functional Meetup has been moved to next Monday, 2025-06-09.

Meetup

Fun JVM: Scala at Adastra & Flavors of Scala - Spicing up your coding style, Mon, Jun 9, 2025, 6:30 PM | Meetup

*We'll meet at Adastra office, Mississippi House at Karlín. We'll gather at the ground floor at the reception and then we'll proceed to the office...

matejcerny 8 months ago

Great interview with Jonas Bonér covering Akka's history, core concepts (Actors, Streams, Persistence), the shift to BSL, and its role in AgenticAI. #akka #scala

matejcerny 8 months ago

Another survey, this time from Stack Overflow. Much shorter in comparison with the one from IntelliJ, but includes quite a lot of AI questions 🙄

2025 Developer Survey | Stack Overflow

Stack Overflow's annual Developer Survey is for the worldwide developer and technology community to answer questions about what they use and how th...