My team built and productionized a custom rate limiter in Scala A year ago, when I was leading a "Digital Platform" team at a large bank, we built and productionized a custom rate limiter in Scala. This is the story of why and how we did it. Bilal Fazlani (@bilal_fazlani)

Benchmarking Tapir: Part 1 First part of a series where I analyze Tapir's overhead on different backends. Krzysztof Ciesielski (@kpciesielski)

desert part 1 - features This is the first part of a series of blog posts about my serialization library, desert. Daniel Vigovszky (@dvigovszky)

WebSockets in Http4s The WebSocket protocol enables persistent two-way communication between a client and a server where packets can be passed in both directions without the need for additional HTTP requests. Daniel Ciocîrlan (@rockthejvm)

Improving my Distributed System with Scala 3 (Part 2) In this article, we’ll be discussing some major changes around Bridge Four’s state management, its new-and-improved consistency guarantees, and other features and improvements I’ve added since. Christian Hollinger (@chollinger93)

Tomas Mikula - My Scala Story Tomas Mikula is a Lead Software Engineer, author of the Libretto library. Tomas Mikula (@tomas_mikula)

Optimizing Functional Walks of File Trees FS2 and Cats Effect go to great lengths to provide high level, compositional, performant APIs. Nonetheless, when performing hundreds of thousands of operations, care must be taken to keep performance acceptable. Throughout this post, we gradually refactored a simple implementation for performance, exploring different evaluation techniques and their impacts on performance. Michael Pilquist (@mpilquist)

Automagic Scala Migrations This report is intended as a supplement to the tools’ documentation and might help others in their journey to automatic scala migrations - and maybe a reader will have some suggestions for me. Benjamin M. (@cptwunderlich)

Our journey begins It's been a longstanding dream of mine to make C and Scala play nice. While Scala is one of my favorite languages, it tends to be trapped in the semi-walled garden of the JVM. I want to write apps that benefit the opensource community, like applications for KDE. Mark Hammons (@MarkHammons)

Crossing those hills Second part of the series. Mark Hammons (@MarkHammons)

Game development in Scala.js with David Smith David Smith and I discuss game development in Scala.js / Scala 3 using the game engine Indigo and the front end framework Tyrian. Sébastien Doeraene, David Smith

Wroclaw Scala User Group, Feb 26th, Wrocław, Poland Future of effects in Scala & Moving a query engine from Akka to ZIO. Wrocław Scala User Group

ScalaWAW #31, Feb 27th, Warsaw, Poland Come and watch talks by Tomasz Kogut and Łukasz Biały. ScalaWAW (@scalawaw)

Functional stream processing workshop before Scalar, Mar 20th, Warsaw, Poland Stream processing lies at the heart of many complex problems. Learn to solve them with fs2, the most sophisticated functional streaming library. This workshop will demystify the art of functional stream programming. We’ll see how cats-effect and fs2 excel in event-driven architectures and tackle complex concurrency challenges; all the while maintaining performance, resource safety and error recovery. As a final challenge, we’ll use our knowledge of event-driven systems and concurrent processes to code and animate a simulation game in Scala 3. Zainab Ali (@_zainabali_)

Full-stack Scala 3 with the ZIO stack workshop before Scalar, Mar 20th, Warsaw, Poland Lear about structuring a full-stack application for the ZIO stack; writing effectful, purely-functional modules for database interaction and web servers; separating business logic from the "operational" parts of an application; adding configuration, testing, refactoring; integrating Laminar with ZIO for a powerful frontend, on top of ScalaJS; adding full-stack features to an application; understanding patterns and anti-patterns while working with ZIO; building and configuring for dev, staging, prod. Daniel Ciocîrlan (@rockthejvm)

Scalar, March 21st - 22nd, Warsaw, Poland Join the greatest Scala conference in Central Europe! Scalar Conference (@scalarconf)

LambdaConf, May 4th-10th, Estes Park, Colorado Get ready! LambdaConf (@lambda_conf)

ScalaMatsuri CFP, June 7th-9th, Tokyo, Japan The CFP will close at February 24, 2024 (Saturday) at 23:59. ScalaMatsuri (@ScalaMatsuri)

secret A functional, type-safe and memory-safe class to handle secret values. David Geirola

SBT BOM A plugin for SBT for dealing with Maven BOM in SBT projects. SBT BOM contributors

byte-pack Byte Pack is a library to pack and unpack scala case classes into IArray[Byte]. Romain Reuillon

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