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October 24th, 2019, ISSUE 297

READING

Websockets in Scala using sttp

One feature missing from sttp for a long time was support for websockets. With the development of sttp 2, it’s about time to change that!
Adam Warski (@adamwarski)
Vim with Dotty (using coc vim)

A guide how to set up all the components.
Yannick Gladow (@y_gldw)
Sizeof in Scala

This blog post will show the impact of different ways to store a couple of integers in Scala on the memory footprint of a program.
Yann Moisan (@YannMoisan)
Scala Classes - Syntax, Declaration, Use case, Examples

how to declare and instantiate classes? What are companion objects?
Leo Benkel (@LeoBenkel)
How to structure your Scala application?

A set of good practices for clean and effective project structure.
Michał Matłoka (@mmatloka)
Functional concurrency

This is a write up about how to design applications that maintain shared state, use concurrent code and are still based on the principles of functional programming.
Ayush Mittal
Cats Effect 3.0 Interruption Model Proposal

This model is obviously inspired by Haskell's async exceptions, but there is a huge difference.
Fabio Labella
Open-sourcing Polynote: an IDE-inspired polyglot notebook

Polynote provides data scientists and machine learning researchers with a notebook environment that allows them the freedom to seamlessly integrate our JVM-based ML platform — which makes heavy use of Scala — with the Python ecosystem’s popular machine learning and visualization libraries.
Netflix
Hacking with scala circe-json

In this post I’m gonna discuss various JSON encode/decode operation that can be performed with circe.
Rahasak
Rock Paper Scissor Game through Actor Model in Scala

An example using Akka.
Karthik Vaidyanathan
Playing with Spark in Scala: Warm-up Game

In this article I present a software engineer’s attempt to build a simple data transformation in Spark and test it the way we usually test software.
Alec Lebedev
Journey to the IO Monad (Part 3.1)

In this second final post about the IO monad, i like to share with you my experience in modelling concurrent data structures using cats-effect.
Raymond Tay (@RaymondTayBL)
How to keep your sanity working with Scala Implicit!

They are really powerful tools for writing really awesome code, please use them, don’t abuse them :)
Lalit Vatsal (@lprakashv)

PRESENTATIONS

Giter8 - Part 3 - Clean Architecture Use Case Scaffold

In this video we will create a Giter8 Scaffold which will generate the minimal boilerplate for an entire Clean Architecture use case including the dependency graph.
DevInsideYou (@DevInsideYou)

EVENTS

Code Mesh, London, November 7th - 8th

Get your tickets now!
CodeMesh (@CodeBEAMio)
BeeScala with 30% discount, Ljubljana, Slovenia, November 21st - 21rd

Use promo code scalatimesfriend to get a 30% discount for Scala Times subscribers!
BeeScala (@BeeScalaConf)
Tech Triveni, IIC Delhi, India, November 23rd - 24th

Grab special 10% discount code for Scala Times readers: TechTriveni10
Tech Triveni
ScalaConf.ru, Moscow, Russia, November 26th

Get ready for this exceptional event in Russia!
ScalaConf.ru
Lambda Days, February 13th -14th 2020, Kraków, Poland

Call for talks and very early bird tickets are both open! Full paper submission by November 15th, draft paper submission by January 13th (we strongly suggest the first deadline).
Lambda Days (@LambdaDays)
ScalaUA, April 3th-4th, 2020 Kyiv, Ukraine

CFP is on! Also: Super Early Bird tickets are available on website till 2019.12.31, and Wholesale 10+ tickets are available till 2020.04.02.
ScalaUA (@ScalaUA_Conf)

RELEASES

akka-kryo-serialization 1.0.0

This library provides custom Kryo-based serializers for Scala and Akka. It can be used for more efficient akka actor's remoting.
akka-kryo-serialization contributors
circe-golden

A library that helps to avoid broken compatibility when updating your model that gets decoded from JSON.
Travis Brown (@travisbrown)

VARIA

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