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March 7th, 2019, ISSUE 264

READING

Final Tagless seen alive

Final Tagless definitely isn't dead.There's a good niche for it: constraining effect wrappers.
Adam Warski (@adamwarski)
Effectful Episode with John de Goes

Listen to a fresh interview, touching new concurrency tools from Scalaz, streams, as well as Open Source, time management and many other subjects!
Scala Love (@scala_love)
State vs Stateful Actor

Case study: how the state monad helped to solve issue with business logic mixed with technical code in Akka Actors.
Krzysztof Otrębski (@kotrebski)
Phil Bagwell Nominations

Submit your nominations now!
Introduction to Akka Streams

Streaming is the ultimate game changer for data-intensive systems. It is best suited for big data-based applications.
Archit Agarwal
OOP vs. FP. The pursuit of extensibility part #2

In this blog post, I’ll show the Expression Problem’s real Functional Programming solution, which is based on the Type Class pattern.
Adam Gajek (@adam_gajek)
Scala Coding Conventions: An Introduction

We will introduce and go over the main ideas one should know to program in Scala, including expressions, data types, as well as abstraction of data and control.
Alex HeresAlessandro Heres, Tristen Sprainis, Ayushi Priyadarshi
Using Fetch for optimizing requests to the GitHub API

Fetch allows you to write your data-fetching code in a concise, simple, and elegant way while still executing as efficiently as possible.
Alejandro Gomez
Comparing Kotlin to Scala

A comparison of general use case for each language, impact on the shippable .jar, ease of learning, idiomatic code, community, libraries and frameworks, build tools and other tooling, as well as job postings.
Brad Cypert (@bradcypert)
A Tour To Akka Actor Underneath

Learn some of the internals behind Akka.
Wei Wang
A TypedList in Scala

Lets try and write a typed list in Scala: a list whose size is known at compile time.
Carlos Teixeira
Top Link of February: Is your Scala object always a singleton?

Don't miss this intriguing article, diving deep into a very interesting case.
Jacek Kunicki (@rucek)

PRESENTATIONS

Homegrown Scala Collections - Part 28 - SQL Joins for Standard Lib Maps Collections

In this video we will implement joins for both the standard and the homegrown collections libraries as internal DSLs which we learnt about in the previous video.
DevInsideYou (@DevInsideYou)

EVENTS

ScalaUA, Kiev, Ukraine, March 29-30

Use promo code ScalaTMS%_ScAlAUA-2019-29-30 for 20% discount for our readers!
ScalaUA (@ScalaUA_Conf)
Scalar, Warsaw, Poland April 5-6

Join the next edition of the largest Scala conference in central Europe!
SoftwareMill (@softwaremill)
flatMap(Oslo), May 8-9

Use promo code SCALATIMES for a discount for our readers!
flatMap(Oslo) (@flatmaposlo)
CFP for Lambda World, Cádiz, Spain, October 17th - 18th

Deadline for submissions is June 1st.
Lambda World (@lambda_world)
CFP & free ticket for BeeScala, 21-23 November, Ljubljana

Answer the question: "What is the idea behind the BeeScala name?", send your reply to info@bee-scala.org by 31st of March. For some lucky person, there's one free ticket waiting!
Bee Scala (@BeeScalaConf)
CFP for NEScala 2019

This year, NEScala is back in Philadelphia, April 1st through 3rd.
NEScala (@nescalas)

RELEASES

alpakka-kafka 1.0

Upgrade to Kafka client 2.1.0, using client 2.x poll API, no more WakeupExceptions, new Committer.sink and Committer.flow plus some other updates.
alpakka-kafka contributors
Dotty 0.13.0-RC1

With Spark support, top level definitions and redesigned implicits.
Dotty contributors
trail 0.2.0

A routing library for Scala. Trail now has zero dependencies, supports Scala Native and has better type inference.
Tim Nieradzik (@timnieradzik)

VARIA

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