Using Dotty Union types with Akka Typed Based on what I’ve read and experimented with, it’s obvious that Dotty brings a lot of features that enable writing more concise and clearer code. Eric Loots (@lootser)

About Variance Variance is a complicated topic but it does not need to be. Its main purpose is to provide us with typesafe substitution but also with improved type inference. Francis Toth (@francistoth)

My FP Journey A story of a journey through paradigms and libraries. Zach Albia

Creating a dead simple CountDownLatch with ZIO We created a simple and non-blocking CountDownLatch with very little code, which is valuable for making our test suite more robust. Amitay Horwitz (@amitayh)

ZIO STM: CountDownLatch in two lines Here's a follow-up to the previous post, with an alternative approach. Ferdinand Svehla (@fsvehla)

2019 Scala Developer Survey The Scala Center, the LAMP, and Lightbend would like to know more about your habits as a Scala programmers and to identify the pain points of your workflow. Scala Center (@scala_lang)

Benchmarking Web Services using GraalVM Native Image In a previous post I discussed the steps needed to compile a http4s web service to an executable with GraalVM Native Image. It’s natural to ask what tradeoffs are made by going this route instead of using the JVM. In this post I present several benchmark results I obtained comparing the Native Image executable to the running on the JVM. Noel Welsh (@noelwelsh)

Operating Akka Clusters using KUDO The combination of extensible, open, dynamically scalable infrastructure (Kubernetes plus KUDO), with an extensible, open stateful runtime (Akka) opens up amazing possibilities. Michael Beisiegel (@realmbgl)

Testing with Functional Programming in Scala How you can apply functional programming concepts to gain confidence about your API code with minimum effort. Leonti Bielski

Deploying a full stack Scala application on Heroku Share a lot of code between your frontend and your backend, avoiding a lot of hassle in writing twice model definitions and validations. Antoine Doeraene (@doe_antoine)

Elasticsearch Geo-point queries with Scala Using Elasticsearch geo_point queries with Scala application. λ.eranga (@itseranga)

Data Juggling - Part 5 - Curry-Howard-Lambek Correspondence This video is an overview of the famous isomorphism between mathematical proofs, computer programs and category theory. DevInsideYou (@DevInsideYou)

Stairway to Scala Workshop, March 16-20, 2020, San Damiano, CA, USA Use code: SCALATIMESMAR20 to get -10%. Artima, Inc (@ArtimaInc)

Scalar, March 19th-21st 2020, Warsaw, Poland Get ready for the workshop-driven FP event in Poland! SoftwareMill (@scalarconf)

ZIO Hackathon, March 22nd-23rd 2020, Warsaw, Poland Over the course of two days, 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)

ScalaUA, April 3th-4th 2020, Kyiv, Ukraine Wholesale 10+ tickets are available till 2020.04.02. ScalaUA (@ScalaUA_Conf)

flatMap(Oslo), May 14th-15th 2020, Oslo, Norway The call for papers are open til until 1st of March. Also, user our link for a special discount for Scala Times readers! flatMap(Oslo) (@flatmaposlo)

Scala Swarm 2020, June 18th-23rd 2020, Porto, Portugal Ticket sale is now open, come quick and grab your ticket to this unique event! ScalaSwarm (@ScalaSwarmConf)

zio-grpc ScalaPB meets ZIO: write purely functional gRPC services and clients using ZIO. zio-grpc contributors

typelevel-library.g8 Template for starting FP libraries ready to be published. Alex Nedelcu (@alexelcu)

Scala Times banners? Want one? Click here THE INTERNET

Scala Times stickers? Want one? Let us know or tweet @scalatimes. THE INTERNET

Scala experts? Need some? SoftwareMill is here, ready to talk and dive deep into your code. SoftwareMill