Name: Scala Talks: Embracing Failure and Dioids
Start: 2024-11-20T18:00:00Z
End: 2024-11-20T21:00:00Z
Location: Permutive

🎉 Come along to the London Scala Talks! 🎉
In this event you'll hear from Olga Mazhara & James Talbot.

**Agenda**
6:00pm - 🥤 Doors open. Come along and grab a drink!
6:40pm - 🗣️ Welcome and [community news](https://docs.google.com/presentation/d/17i2On9HBDc32J1d1spEYGyIP87qgyJDNhwYkP7IZwlo)
6:45pm - 🗣️ Olga Mazhara - Embracing Failure: Insights into Functional Web Development with Scala
7:20pm - 🍕 Intermission: Join us for some free food and drinks! Vegan, vegetarian, halal and gluten-free options are provided. Let us know if you'd like something special - we'd be happy to accommodate.
8:00pm - 🗣️ James Talbot - Dioids: an interesting (but practical) approach to synchronizing state across devices
8:15pm - 🥤 Socialising: Grab a drink and let's discuss the talks.
9:00pm - 🍻 Join us in [The Slaughtered Lamb pub](https://maps.app.goo.gl/1nkWHwdz47bEt5gQ6) to discuss the talks!

🌐 **This event has a live stream.** Join the webinar at 18:40PM London time.
Join on [Zoom](https://permutive.zoom.us/webinar/register/WN_M8cU1ZDySHadb7lUbRCgBw) with password Q4g#LMME

🗣️ **Olga Mazhara - Embracing Failure: Insights into Functional Web Development with Scala**
Learning web development through courses and books often leaves us unprepared for real-world challenges. Missing configurations, absent tests, version mismatches, and poor documentation are common hurdles that aren't covered in simplified examples. This talk shares my journey of developing web applications with Scala, highlighting common pitfalls and unexpected difficulties.
⭐ Speaker ⭐
I've been immersed in functional programming for about 5 wonderful years. Recently, I started speaking at conferences and love soaking up the vibrant energy of the FP community. My journey includes teaching functional programming at university and organising cozy meet-ups with friends.
🗣️ **James Talbot - Dioids: an interesting (but practical) approach to synchronizing state across devices**
This talk aims to describe how Permutive keeps device states in sync across billions of end user devices using an approach based on the concept of "dioids." It will attempt to do this without assuming prior maths geekiness.
We will begin with an overview of the particular problem Permutive is trying to solve in this case. We will recap the common FP concepts of semigroups and monoids, and see how these are nearly, but not quite, the right tools to solve our problem. Finally we will introduce the (very much non-standard) concept of dioids, and see how they make solving our problem much more manageable.
⭐ Speaker ⭐
James is a Software Engineer at Permutive. He has been writing primarily Scala for 7+ years, with occasional Haskell, TypeScript, Kotlin, Elm and others. Likes: functional programming. Dislikes: referring to self in third person.

🗣️ Would you like to present, but are not sure how to start? Give a talk with us and you'll receive mentorship from a trained toastmaster! Get in touch through [this form](https://forms.gle/zv5i9eeto1BsnSwe8) and we'll get you started
🏡 Interested in hosting or supporting us? Please get in touch through [this form](https://forms.gle/3SX3Bm6zHqVodBaMA) and we can discuss how you can get involved.
📜 All London Scala User Group events operate under the Scala [Community Code of Conduct](https://www.scala-lang.org/conduct/):

We encourage each of you to report the breach of the conduct, either anonymously through [this form](https://forms.gle/9PMMorUWgBnbk1mm6) or by contacting one of our team members. We guarantee privacy and confidentiality, as well as that we will take your report seriously and react quickly.

Zainab Ali

London Scala User Group

Technology

Scala

Java

Functional Programming

Akka

Play Framework

Scala Talks: Embracing Failure and Dioids

Open Source

Permutive

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London Scala User Group

Scala Talks: Embracing Failure and Dioids

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