matejcerny 10 months ago

I would really like to see a type-safe equals operator that works without derivation (e.g., Dog == Dog should compile, but Cat == Dog should not). It's not just a weak point in conditional pattern matching, I would say it's a major vulnerability.

Evolving Scala

matejcerny 10 months ago

It's comforting to hear that even great programmers had moments in their lives when they doubted they were good enough to become programmers. I definitely had those moments myself, in high school and then later when I started with Scala. View quoted note →

matejcerny 10 months ago

Do you know what's better than watching @ThePrimeagen's videos? To watch him being interviewed.

matejcerny 10 months ago

Great read on debugging a Postgres performance mystery. You will learn a lot about Postgres internals just by following the author's thought process. (btw, what a grafana theme! 😀) #postgres

Dan Slimmon

did u ever read so hard u accidentally wrote?

Owning a production Postgres database is never boring. The other day, I’m looking for trouble (as I am wont to do), and I notice this weird c...

matejcerny 10 months ago

SIP-62, aka better for loops, changes almost nothing from the outside, but it's probably the feature I'm looking forward to the most. Knowing how for loops are currently desugared just makes me sad. I don't like suboptimal code. #scala

GitHub

Release 3.7.0-RC1 · scala/scala3

Highlights of the release Add @scala.annotation.internal.preview annotation and -preview flag. #22317 Make SIP-52 @publicInBinary a stable feature...

matejcerny 10 months ago

Thinking about switching jobs, but after seeing this video I'm not so sure 🤣

matejcerny 10 months ago

After almost 5 years of work, ZooKeeper is finally gone in Apache Kafka 4.0! 🎉 Read this awesome summary as this release is packed with tons of new features! #kafka

2 Minute Streaming

Apache Kafka 4.0 - Hello Queues and Consumer Groups, Goodbye ZooKeeper

see the top 3 features, and some trivia around other major releases

matejcerny 10 months ago

What? Martin Odersky is also a co-author of Java Generics? 🤯 #java #scala

matejcerny 10 months ago

Importing sbt projects can be a huge step in terms of Mill adoption, even with those limitations. #scala

GitHub

mill/changelog.adoc at main · com-lihaoyi/mill

A better build tool for Java, Scala and Kotlin: Simpler than Maven, easier than Gradle, with 3-7x faster dev workflows than other JVM build tools -...

matejcerny 11 months ago

Regarding Scala 3 enums, is there a way to override the default behavior of `valueOf` so that it doesn’t throw an exception but instead returns an Option?

matejcerny 11 months ago

Great article summarizing ways to improve JVM startup 🐌 Definitely worth a read if you're looking to speed things up or just widen your knowledge of JVM internals 🫀 #scala #jvm

SoftwareMill

How to improve JVM-based application startup time?

This blog post compares different approaches to speeding up JVM startup time.

matejcerny 11 months ago

matejcerny 11 months ago

One source I would add, though: it helped me a lot when I started with http4s.

Pure functional HTTP APIs in Scala

A book about developing purely functional HTTP APIs with Scala using http4s, Doobie, Cats and other libraries including a chapter about upgrading t...

View quoted note →

matejcerny 11 months ago

If you’re thinking about starting with Scala, this video is the one. Great work, Michał Pawlik! Very well structured and packed with all the major Scala "flavors" 👏 #scala https://www.youtube.com/live/O4IMED7sHgo

matejcerny 11 months ago

That was faster than I thought! Git support is already in the stable release of Zed. It's pretty barebones for now, but gets the basic job done and is super fast! Just watch the videos yourself 👇

Native Git support in Zed - Zed Blog

From the Zed Blog: You can now stage, commit, pull, push, and more, all natively within Zed.

matejcerny 11 months ago

Very nice, the latest milestone of sbt 2 has already been updated to the newest patch version of Scala 👍 #scala

GitHub

Release 2.0.0-M4 · sbt/sbt

🚀 features and other updates Implement client-side run by @eed3si9n in #8060 Make timing outputs consistently show hours and hint at time forma...

matejcerny 11 months ago

Looking into some Kotlin code. Is it normal to have return statements scattered all over a single method? Or is this just the author’s skill issue? 😡

matejcerny 11 months ago

Scala 3.6.4 is here, with a lot of polishing 🇵🇱 under the hood! See the long list of fixes and improvements.

GitHub

Release 3.6.4 · scala/scala3

Highlights of the release Support for JDK 24 #22250 REPL :silent command to toggle automatic printing of outputs #22248 REPL --repl-init-script: s...

#scala

matejcerny 11 months ago

"There are over 20 million people connected up!" 🌐 It's funny, but it was an incredibly precise prediction of an "information superhighway" made 30 years ago!

matejcerny 11 months ago

Love seeing GitHub bounties emerging. Coders solving real problems, getting paid, and pushing open-source forward! #scala #opensource https://console.algora.io/org/ZIO