A free, once-weekly Scala news flash. Easy to unsubscribe. Goes out every Thursday.
September 16th, 2021, ISSUE 396

READING

Monitoring Akka applications with Mesmer and OpenTelemetry

Mesmer is an Actor System Extension combined with a Java Agent, enabling powerful possibilities for observability.
Piotr Jósiak, Jakub Czuchnowski (@jczuchnowski)
Building Next Gen Applications on JVM with ZIO

ZIO helps you build modern applications that are scalable, asynchronous, parallel, concurrent, leak-free, efficient, streaming, testable, and resilient. You also gain compositionality.
John A. De Goes (@jdegoes)
Where the ZIO Roadmap is Headed Next

What are the upcoming improvements targeted for ZIO 2.0? And what are the two surprises not discussed at the inaugural ZIO World 2021?
John A. De Goes (@jdegoes)
Announcing Data Times

We're lunching a ScalaTimes sibling project: Data Times! Great team, drawing from the experience of curating ScalaTimes for the past years. Subscribe for news on Big Data, Machine Learning and Stream Processing!
SoftwareMill (@softwaremill)

VIDEOS

SBT Tutorial - Part 1

This video covers the arguably most complicated feature of SBT - the scope axes. This is part 1/2.
DevInsideYou (@DevInsideYou)

EVENTS

3-weekly Scala 3 issue spree

If you're interested in helping us test, refine and scale the spree, while picking up compiler knowledge and meeting fellow Scala 3 pioneers, DM Anatolii.
Anatolii Kmetiuk (@AKmetyuk)
Functional Design (SF - Bay Area Edition), Sep 27th - Oct 1st

In this course, developers will learn how to write simple functional solutions to everyday business problems, without jargon and without type classes. Use our link to get a 20% discount for Scala Times readers!
John A. De Goes (@jdegoes)
Functional Scala Fundamentals (SF - Bay Area Edition), Oct 17th - 22nd

In this course, developers will learn the foundations of functional Scala, including language features that are unique to functional Scala, core concepts in functional programming, and proven techniques for developing robust and powerful applications in functional Scala. Use our link to get a 20% discount for Scala Times readers!
John A. De Goes (@jdegoes)
ZIO Hackathon, Oct 29th - 31st (CET)

Join this free event! We will share and learn about ZIO and related projects; chat about functional programming, functional Scala, and much more; work on fun projects; and get to know one another.
Ziverge (@zivergetech)
ScalaCon, November 2nd - 5th

ScalaCon is a collaborative project brought to you by the folks behind Scala eXchange and Scala Days! Join us for two conferences packed with over 43 talks, networking opportunities, virtual sponsor booths, and a safe space for talking about our favorite language, its past , present, and future. Use code SCTIMES10 for a special discount for our readers!
ScalaCon (@scalacon)
Build Web Servers with ZIO (SF - Bay Area Edition), Nov 15th - 19th

In this course, developers will use ZIO and best-in-breed libraries to rapidly construct web applications that are scalable; easy to test, refactor, and maintain; and which never leak resources or deadlock. Use our link to get a 20% discount for Scala Times readers!
John A. De Goes (@jdegoes)
Functional Scala, Dec 2nd - 3rd

Functional Scala 2021 returns for another year of great talks, familiar and fresh spaces, and positive energy around the power of functional Scala for delivering compelling solutions to the toughest technology problems. Use promo code SCALATIMES10 for a discount for our readers!
Functional Scala (@FunScala2021)

RELEASES

aqua

Programming language for distributed systems & p2p, based on Scala.
aqua contributors
Spark on Scala 2.13

The ticket is finally resolved!
spark contributors
Release Scala 2.12.15

This release improves compatibility with JDK 17 and 18, it also facilitates cross-building with Scala 3.
Scala contributors





  1. Scala Times Issue #401

    Proceedings of the 12th ACM SIGPLAN International Symposium on Scala. On the future of Play Framework. Scala 3 and Spark?. Trait parameters in Scala3 - a feature no one asked for?. ZIO from Scratch - Part 1.


  2. Scala Times Issue #400

    A Case Study in Incrementally Improving Code. Proof of Multi-Stage Programming with Generative and Analytical Macros. Testing client/server compatibility + error handling - SPFS #4. "Programming in Scala" Review. Type-Level Programming in Scala, Part 2: A Type-Level Quicksort.


  3. Scala Times Issue #399

    Akka Serverless: Developing with Java or Scala. Improving DateTimeFormatter.parseBest using Scala 3. Top Link of September: What’s Changed Since Scala 3.0.0. Scala Metals with Multiple Roots in a Workspace. Serverless Chats Episode 112: Abstracting Stateful Serverless with Jonas Bonér.


  4. Scala Times Issue #398

    Fast number parsing in Scala. On TF and ZIO in 2021. Trace your microservices with ZIO Telemetry. Scala isn't Hard: How to Master Scala Step by Step. Scala 3 publishing plan for scalameta.


  5. Scala Times Issue #397

    Akka gRPC update delivers 1200% performance improvement (so what happened?). Using BSP effectively in IntelliJ and Scala. ZIO Hackathon, Oct 29th - 31st (CET). ScalaCon, November 2nd - 5th. Functional Scala, Dec 2nd - 3rd.


  6. Scala Times Issue #396

    Monitoring Akka applications with Mesmer and OpenTelemetry. Building Next Gen Applications on JVM with ZIO. Where the ZIO Roadmap is Headed Next. Announcing Data Times. SBT Tutorial - Part 1.


  7. Scala Times Issue #395

    Akka gRPC benchmarks. Scala 3: What’s Changed Since Scala 3.0.0. ZIO Hackathon, Oct 29th - 31st (CET). ScalaCon, November 2nd - 5th. Functional Scala, Dec 2nd - 3rd.


  8. Scala Times Issue #394

    A Preview of Logging in ZIO 2.0. Number (part 2). Fuzzy, lazy, functional numeric computing in Scala. Advances In The ZIO 2.0 Scheduler. Effective Programming in Scala.


  9. Scala Times Issue #393

    Incorporating Plotly into your Zeppelin notebooks with Spark and Scala. What is F[_] in Scala?. A pure functional Primality Test in Scala. Using oracles to test the service and data layer. ZIO Hackathon, Oct 29th - 31st (CET).


  10. Scala Times Issue #392

    ScalaCache: A Caching Library To Rule Them All. Migrating from IntelliJ IDEA to VSCode and Metals. Announcing Data Times. Building Twitter's backend RPC services with Finagle. ZIO Hackathon, Oct 29th - 31st (CET).


  11. Scala Times Issue #391

    Spark ML hyperparameter tuning. Number (part 1). Announcing Data Times. ZLayer DSL - Getting Started with ZIO in Scala3. ZIO Hackathon, Oct 29th - 31st (CET).


  12. Scala Times Issue #390

    Understanding Comparative Benchmarks. Announcing Scala.js 1.7.0. Announcing Data Times. Why Should You Care About Referential Transparency?. GitHub Copilot for Scala - Does it work?.


  13. Scala Times Issue #389

    An intro to the Scala presentation compiler. From Scala 2 shapeless to Scala 3. IntelliJ Scala Plugin 2021.2. Scastie with Scala 3. Tooling Talks Episode 3 - Justin Kaeser.


  14. Scala Times Issue #388

    Data Times - Big Data and ML enthusiasts news flash. Story of importing a large dataset to Akka Cluster. Combining the terminal (iTerm) with the IDE. Metaprogramming in Scala 3: Inline. Part 6 - zio.Has - Getting Started with ZIO in Scala3.


  15. Scala Times Issue #387

    Will Scala 3 be your new favorite language?. Programming with Functions #8: Monads. Part 5 - ZIO.access - Getting Started with ZIO in Scala3. 12th ACM SIGPLAN Scala Symposium Call for Papers. ZIO Hackathon, Oct 29th - 31st (CET).


  16. Scala Times Issue #386

    Scala 3: Macros. 5 Key Lessons from Functional Programming in Scala. OAuth2 Scala application with sttp-oauth2, part 1 - Dev notes. Scala 3 Tech Report by SoftwareMill. Top Link of June: Scala 3 goodies for Scala 2 developers.


  17. Scala Times Issue #385

    Scala 3 Tech Report. ZIO: Introduction to Fibers. Problem: automatic coloring of effect monads in dotty-cps-async. Scala 3: Anti-Givens. (re)constructing sequences with Alternative.


  18. Scala Times Issue #384

    How to write a fire shader. Scala 3 goodies for Scala 2 developers. Composable Scala Matchers: Introduction. Writing an Interpreter From Scratch. Destroy your foldLeft with traverse and State - Scala tutorial.


  19. Scala Times Issue #383

    Existential Crisis: Implementing MapK in Scala 3 . What is ZIO and should you learn it?. Zymposium, June 18th (PDT). ZIO Hackathon, Oct 29th - 31st (CET). ScalaCon, November 2nd - 5th.


  20. Scala Times Issue #382

    Cats: Essential Type Class Hierarchy, Explained. Debugging and Observing Your Scala Code. Programs as Values, Part III: Explicit Control Flow. Programming in Scala Fifth Edition . Favor composition over inheritance in Scala3 with exports!.


  21. Scala Times Issue #381

    Top Level Exports in Scala3. Death of Blocker: blocking in Cats Effect 3 - Scala tutorial. Functional Scala, Dec 2nd - 3rd.


  22. Scala Times Issue #380

    Scala 3 Hello, world!. Scala 3 macros tips & tricks. Build your own refinement types in Scala 3. How To Implement Streaming Microservices Using ZIO and Kafka. How to successfully manage a ZIO Fiber’s lifecycle.


  23. Scala Times Issue #379

    Scala 3 is here!. New Online Course: Effective Programming in Scala. Image editing with Comonads. Generalized Algebraic Datatypes in Scala 3. Kind Projector Migration.


  24. Scala Times Special Scala 3 Issue

    Starting with Scala. Programming in Scala, Fifth Edition. Scala 3 Tech Report. Automatically Deriving Typeclass Instances in Scala 3. Starting with Scala 3 macros: a short tutorial.


  25. Scala Times Issue #378

    From Highschool to Teaching Scala. Rust for the Seasoned Scala Developer. Bring gRPC payloads and domain models closer with ScalaPB transformations. Flog: a functional logger for Scala. Opaque Type Alias in Scala 3.


Organizing an event?
Promote it with
Scala Times.
The Scala Times reader?
Get a banner!
Got a tip?Send it in!
Follow us onTwitter.
Curated bySoftwareMill.
We arehiring.
Andtaking on projects.