In this episode we talk with Marten (Wiebe-Marten) Wijnja about his library TypeCheck which brings runtime type checking to your Elixir project and more. We also talk about the virtues of types in general, which value dialyzer brings, and how to use your type specs to run spec tests, which is a feature of TypeCheck.

Sophie DeBenedetto rejoins the mix to discuss the latest developments in LiveView and how to use it to best effect in your Phoenix applications. She also discusses co-authoring the book "Programming Phoenix LiveView" with Bruce Tate and how the future of the project will drive the future of the book.

Mani provides us with strategies and tactics to get Deep Work time and how to get our minds into that focused state for hours at a time. He has read hundreds of books that have taught him the secrets to getting more done by getting into this state.

Alfred Reinold Baudisch joins the mix to discuss his publishing engine written in Elixir called PardallMarkdown. It's a static site generator solution that builds content from Markdown and can build different types of content targets.

Adi recently found a new job and Chuck has been going through the interview process. So, the panel hop on the show to discuss the current job market, what they've experienced as job candidates and provide ideas and feedback for both hiring companies and job candidates.

Arkadiusz Plichta joins the adventure to discuss how he built a system that tracks BitCoin value using GenServers. He explains the architecture of his application and the story behind why he built this particular application. Then the panel dives in to help explain how you can use GenServers for ongoing services like this one.

David Yamnitsky joins the mix to discuss tangram.dev and how to use it to add Machine Learning features to your Elixir applications. He also goes into how it is built and how it provides you with a basic level of AI that integrates nicely with Elixir.

Ben Moss joins the Mix to discuss Event Sourcing and CQRS in Elixir. Event sourcing is the practice of logging data across logged series of events and then reconstructing data from the events. CQRS is focused on keeping read and write operations from conflicting.

Randy Coulman joins the Mix this week to discuss ConfigCat's SDK for Elixir. Since ConfigCat doesn't have an Elixir SDK, they built one internally in their application. Randy discusses how that worked out and how you could do that if your services don't offer Elixir SDK's.

The Elixir Mix panel takes the helm to talk about helping onboard and transition new developers onto an Elixir team. They discuss helping developers who may not have an Elixir background. They also advise Chuck on how to make a career transition since he's considering a jump into an Elixir job from his current role as a Rails developer.

Brian Underwood joins the mix to discuss his recent project where he created a game that would push more and more load onto a genserver to see at what point the performance and usability begins to degrade. The discussion includes an exploration of what this means as your application grows.

AJ Foster is a developer at Pluralsight. He talks about the course he made for Pluralsight about Elixir and then talks about how Elixir was brought into Pluralsight, both into their catalog of courses as well as into the tech stack for the company.

Fernando Hamasaki joins the mix to discuss Miss Elixir, where it came from, and what it is.

Tej Pochiraju joins the mix to discuss Progressive Web Apps and how you can support them using Elixir and Phoenix.

Ivan Rublev is the author of the open source library, Domo, which provides type validations for Elixir applications. He discusses the types of validations it does and the tradeoffs you get when you can validate the structure of your structs.