Clojure Exchange 2018

I visited Clojure Exchange 2018 in London.
Since there was only one track and I attended all talks, it is easy to just refer to the schedule.

Interesting topics, that came up multiple times in different flavors where immutability, stories of building real life applications, music, java and clojure and the transition, clojure script, emacs and cider…

I did a lightning talk myself about Some Thoughts about Immutability and its Limits.

Links

  • Clojure
  • Clojure Exchange 2018
  • Clojure Exchange 2016
  • Clojure
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Scala Exchange 2017

I have visited Scala Exchange („#ScalaX“) in London on 2017-12-14 and 2017-12-15. It was great, better than 2015 in my opinion. In 2016 I missed Scala Exchange in favor of Clojure Exchange.

This time there were really many talks about category theory and of course its application to Scala. Spark, Big Data and Slick were less heavily covered this time. Lightbend (former Typesafe), the company behind Scala, did show some presence, but less than in other years. But 800 attendees are a number by itself and some talks about category theory were really great.

While I have always had a hard time accepting why we need this „Über-Mathematics“ like category theory for such a finite task as programming, I start seeing its point and usefulness. While functors and categories provide a meta layer that is actually accessible in Scala there are actually quite rich theories that can even be useful when constrained to a less infinite universe. This helps understanding things in Java. I will leave details to another post. Or forget about it until we have the next Scala conference.

So the talks that I visited were:

  • Keynote: The Maths Behind Types [Bartosz Milewski]
  • Free Monad or Tagless Final? How Not to Commit to a Monad Too Early [Adam Warski]
  • A Pragmatic Introduction to Category Theory [Daniela Sfregola]
  • Keynote: Architectural patterns in Building Modular Domain Models [Debasish Ghosh]
  • Automatic Parallelisation and Batching of Scala Code [James Belsey and Gjeta Gjyshinca]
  • The Path to Generic Endpoints Using Shapeless [Maria-Livia Chiorean]
  • Lightning talk – Optic Algebras: Beyond Immutable Data Structures [Jesus Lopez Gonzalez]
  • Lightning Talk – Exploring Phantom Types: Compile-Time Checking of Resource Patterns [Joey Capper]
  • Lightning Talk – Leave Jala Behind: Better Exception Handling in Just 15 Mins [Netta Doron]
  • Keynote: The Magic Behind Spark [Holden Karau]
  • A Practical Introduction to Reactive Streams with Monix [Jacek Kunicki]
  • Building Scalable, Back Pressured Services with Akka [Christopher Batey]
  • Deep Learning data pipeline with TensorFlow, Apache Beam and Scio [Vincent Van Steenbergen]
  • Serialization Protocols in Scala: a Shootout [Christian Uhl]
  • Don’t Call Me Frontend Framework! A Quick Ride on Akka.Js [Andrea Peruffo]
  • Keynote: Composing Programs [Rúnar Bjarnason]
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Conference Talks

Referring to the Swiss Perl Workshop, it is now time to collect all the conference talks that I have given so far and that have been uploaded as video.

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ScalaUA 2017

About a month ago I visted the conference ScalaUA in Kiev.

This was the schedule.

It was a great conference and I really enjoyed everything, including the food, which is quite unusual for an IT-conference.. 🙂

I listened to the following talks:
First day:

  • Kappa Architecture, Juantomás García Molina
  • 50 shades of Scala Compiler, Krzysztof Romanowski
  • Functional programming techniques in real world microservices, András Papp
  • Scala Refactoring: The Good the Bad and the Ugly, Matthias Langer
  • ScalaMeta and the Future of Scala, Alexander Nemish
  • ScalaMeta semantics API, Eugene Burmako

I gave these talks:

  • Some thoughts about immutability, exemplified by sorting large amounts of data
  • Lightning talK: Rounding

Day 2:

  • Mastering Optics in Scala with Monocle, Shimi Bandiel
  • Demystifying type-class derivation in Shapeless, Yurii Ostapchuk
  • Reactive Programming in the Browser with Scala.js and Rx, Luka Jacobowitz
  • Don’t call me frontend framework! A quick ride on Akka.Js, Andrea Peruffo
  • Flawors of streaming, Ruslan Shevchenko
  • Rewriting Engine for Process Algebra, Anatolii Kmetiuk

Find recording of all the talks here:
https://www.scalaua.com/speakers-speeches-at-scalaua2017/

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Clojure Exchange 2016

I have just visited Clojure Exchange. Since it had only one track, there is no point in listing which talks I have attended, since this can easily be seen on the web page of the conference.

It was interesting and there were many great talks and I also met great people among the other participants.

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Scala Exchange 2015

It was possible to arrange a visit of Scala Exchange 2015 in London, short #ScalaX.

I visited the following events: