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Artwork for Rock the Code

Rock the Code

Daniel Ciocirlan
Scala
Distributed Systems
Rust
Akka
Unison
Functional Programming
Elixir
Rock (roc)
Typescript
Mill
The Ultimate Coder
Open Source Sustainability
Agentic AI
Haskell

A podcast about interesting programming topics for the curious software engineer. You will learn about programming languages, tools, libraries, and combinations thereof, from the best in the field.

PublishesMonthlyEpisodes13Founded3 months ago
Number of ListenersCategory
Technology

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Artwork for Rock the Code

Latest Episodes

Simon Peyton Jones is a computer scientist in the true sense of the word, and the lead designer of the Haskell programming language and the GHC. He's a fellow of the Royal Society and the ACM and has won many awards (including the SIGPLAN award) for ... more

Jon Gjengset is a long-time Rust programmer and educator and the author of Rust for Rustaceans, a book on idiomatic Rust programming for experienced developers.

You can find Jon and his work at thesquareplanet.com/

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0:00 Intro

1:00 Vib... more

José Valim is the creator of the Elixir programming language and cofounder of Dashbit, where he focuses on growing the Elixir ecosystem, the Tidewave web AI agent, and Livebook, a Jupyter-style notebook for Elixir. Before creating Elixir, he cofounde... more

Richard Feldman is a software engineer with more than 20 years of experience, a frequent conference speaker, teacher and author of Elm in Action. He's the author of the Roc programming language and is currently working on Zed, the AI-enabled code edi... more

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Recent Guests

Jon Gjengset
Rust educator, author of Rust for Rustaceans, and open-source contributor
Independent researcher/educator; author
Episode: 12 - Jon Gjengset on Rust Internals, Vibe Coding, and Teaching by Streaming
José Valim
Software engineer, creator of Elixir
Dashbit
Episode: 11 - José Valim on Elixir, AI Tools, Gradual Type Systems, and Being a Prolific Open-Source Contributor
Richard Feldman
Software engineer, author, Rock language creator, Zed contributor
Rock (ROC), Zed
Episode: 10 - Richard Feldman on Roc, AI, Teaching, and Avoiding Fancy Functional Programming
Haoyi Li
Software engineer and core contributor to the Scala ecosystem
MilBuild / Scala ecosystem
Episode: 9 - Haoyi Li on Mill, Scala at Scale, Conference Touring and Moving Up the Stack
Grady Booch
Software engineer with 50+ years of experience; documentary proponent on computing and humanity
Grady Booch (guest)
Episode: 8 - Grady Booch on Software Architecture, Effective Communication, and Computing as a Human Experience
John De Goes
internationally recognized technologist, CEO of Ziverge and Golem Cloud, creator of the open source Xeo framework
Ziverge; Golem Cloud
Episode: 7 - John De Goes on API Design, Effect Systems, Entrepreneurship and The Ultimate Coder
Robert Martin
Author and seasoned software engineer (Uncle Bob)
Independent software consultant / Author
Episode: 6 - Robert Martin on Clojure, AI, Programming Languages and the Craft of Good Code
Jonas Bonér
Founder and CTO of Akka, original creator of the Akka Project and the Reactive Manifesto
Lightbend (Akka)
Episode: 5- Jonas Bonér on Akka, Distributed Systems, Open-Source Sustainability and the Backbone of Agentic AI
Runar Bjarnason
Co-founder of Unison Computing; co-author of Functional Programming in Scala
Unison Computing
Episode: 4 - Rúnar Bjarnason on Unison, Scala, Distributed Systems and Delightful Programming

Host

Daniel
Host of the show, introducing and guiding the interview

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Apple Podcasts
#223
Poland/Technology

Talking Points

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10 - Richard Feldman on Roc, AI, Teaching, and Avoiding Fancy Functional Programming
Q: How do you define the adoption path for a new language like Roc in a world dominated by Go and Rust?
Adoption typically starts with startups or hobbyists who experiment and build real projects, then those projects grow into larger codebases that become social proof for others, creating a virtuous cycle of tooling and community growth over years.
7 - John De Goes on API Design, Effect Systems, Entrepreneurship and The Ultimate Coder
Q: What problem would an effect system solve in mainstream contexts, and is there a strong business case?
Effect systems solve issues around asynchronicity, concurrency, and error management, but the speaker is skeptical about a broad business case outside niche scenarios; mainstream adoption would require compelling, wide-ranging benefits that outweigh the cost and complexity, which he argues are not clearly proven yet.
9 - Haoyi Li on Mill, Scala at Scale, Conference Touring and Moving Up the Stack
Q: Where do you see Mill in terms of future adoption and business viability?
He envisions gradual growth through broader JVM adoption (Java/Kotlin), potential startups or enterprise features around Mill, and a sustainable ecosystem built on easier onboarding and a cohesive library stack.
9 - Haoyi Li on Mill, Scala at Scale, Conference Touring and Moving Up the Stack
Q: What would you consider the biggest pains Mill hopes to alleviate compared to existing tools?
Haoyi argues the core wins are easier usability, a more familiar mental model, faster iteration, and better integration with IDEs, which reduces the steep learning curve and maintenance pain seen in Maven/Gradle-like systems.
9 - Haoyi Li on Mill, Scala at Scale, Conference Touring and Moving Up the Stack
Q: What prompted the conference tour approach for Mil?
Haoyi explains that meeting people in person at conferences provides deeper, more meaningful feedback than online posts, and helps to seed adoption and contributor interest for Mill across different JVM languages.

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Frequently Asked Questions About Rock the Code

What is Rock the Code about and what kind of topics does it cover?

A deep-dly technical show focused on programming languages, tooling, and software architecture, with guests who are leading practitioners and researchers in the field. Episodes routinely explore language design (Rust, Elixir, Roc, Scala, Unison), distributed systems, AI-assisted coding, and pragmatic approaches to building robust software. The conversations are accessible yet deeply technical, often blending theory with real-world trade-offs, open-source governance, and the business of sustaining large-tech projects. The show stands out for high-signal, long-form interviews that mix teaching moments with candid industry insights, making it a strong fit for engineers, architects, and tech leaders who enjoy thoughtful exploration of language ... more

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1. Rust in Production
2. Fallthrough
3. The Pragmatic Engineer
4. Syntax - Tasty Web Development Treats
5. Lex Fridman Podcast

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Rock the Code launched 3 months ago and published 13 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Rock the Code?

Recent guests on Rock the Code include:

1. Jon Gjengset
2. José Valim
3. Richard Feldman
4. Haoyi Li
5. Grady Booch
6. John De Goes
7. Robert Martin
8. Jonas Bonér

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