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August 6th, 2020, ISSUE 338


ZIO 1.0 Released

After countless RCs and "-" (dash) releases, the youngest, but highly anticipated contender among Scala effect libraries has a stable version!
John de Goes (@jdegoes)
Retry Failing Tasks with Cats and Scala

From a naive retry implementation to a full-fledged solution, using cats and any cats-effect-compatible effect type
Alex Nedelcu (@alexelcu)
An Intuition for Optics

On the surface, a thorough blog about optics: what is the abstraction about and where can it be applied? A bit deeper, also a some thoughts on abstractions in general and - wait for it - monads!
Tony Morris (@dibblego)
Evoneering - Scala Bootcamp

Learn FP & Scala for free - when selected. No previous experience required.
Evolution Gaming
How Does "20 seconds" Work in Scala?

A gentle introduction into extension methods in scala, and how they are currently implemented using implicits
Daniel Ciocîrlan


The Difference Between Null, Nothing, Nil, None and Unit in Scala

A video targeted for beginners, describing the distinction between various "no value" types
Rock the JVM (@rockthejvm)


Reimagining Functional Type Classes, July 30th, Scala San Francisco, Online Event

4:30 PM to 6:30 PM PDT. In this presentation, John A. De Goes introduces a new Scala library with a completely different factoring of functional type classes—one which throws literally everything away and starts from a clean slate.
Ziverge (@zivergetech)
Functional Scala Fundamentals, September 1st-3rd, Online Course

Discount applies with the code: SCALATIMES, this time 20% off!
Ziverge (@zivergetech)
Functional Scala, December 3th-4th, London

Learn the critical topics you need to excel as a Scala developer, and celebrate the Scala programming language and community.
Ziverge (@zivergetech)
African Scala Development Program

Jon Pretty and John de Goes are offering a series of free premium Scala training courses to developers based in the African continent. Ziverge is looking for more teachers that would like to join the initiative.
Ziverge (@zivergetech)



A lightweight, distinctly Scala take on functional abstractions, with tight ZIO integration
John de Goes (@jdegoes)

Enforce best coding practices with ZIO
Vladimir Polushin
Akka HTTP 10.2.0

A bunch of changes in the popular http client&server - good to stay up to date!
The Akka Team (@akkateam)

Kafka Streams for Scala. Integrates KafkaStreams with the cats-effect ecosystem
Luka Jacobowitz (@LukaJacobowitz)

Statistical Machine Intelligence and Learning Engine
Haifeng Li


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