Dead Code

In this episode of Dead Code, Jared interviews Carson Gross, creator of HTMX, about the principle of Locality of Behavior (LoB) and its role in web development. Carson explains that HTMX enhances HTML rather than replacing it like modern JavaScript frameworks, offering a simpler, hypermedia-driven approach ideal for use cases like e-commerce. He critiques the traditional emphasis on Separation of Concerns, arguing that keeping behavior close to markup improves maintainability and avoids “spooky action at a distance.” Carson acknowledges trade-offs between LoB, DRY, and SoC, emphasizing the importance of context-based decision-making. He and Jared also discuss broader software trends, advocating for deeper modules, simpler APIs, and a pragmatic, less ideological approach to coding as the industry evolves.

Links:

HTMX Website

HTMX Essays (especially Locality of Behavior and When to Use Hypermedia)

grugbrain.dev

Hypermedia Systems Book

Richard Gabriel’s “Worse Is Better” Essay

Mozilla Developer Network (MDN)

John Ousterhout’s A Philosophy of Software Design

The Uncle Bob vs. John Ousterhout Argument

Big Sky Software (Carson’s Company)

Hyperscript

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In this episode of Dead Code, Jared chats with Nora, a Rust contributor, about operator precedence and the trade-offs between code clarity and conciseness across programming languages. Nora, inspired by her blog post “Don’t Play the Precedence Game,” explains how languages like C and Rust handle operator order differently, particularly around equality and bitwise operations, which can lead to subtle, hard-to-spot bugs. She advocates for using parentheses generously to make intent explicit, even if some consider it “noisy,” and highlights how tools like linters and formatters approach optional syntax differently. They also touch on Ruby’s permissive style, Lisp’s avoidance of precedence via prefix notation, and broader lessons for language design—ultimately agreeing that clarity should win when it matters, and that different languages cater to different developer mindsets.

Links:

“Don’t Play the Precedence Game”

Rust

C Programming Language

Ruby

Lisp

Go

Rescript

rustfmt

Clippy

Prettier

Nora’s Website 

Nora’s Mastodon

Nora’s GitHub 

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In this episode of Dead Code, Jared speaks with software engineer Nicole Tietz-Sokolskaya about the ethical complexities of large language models (LLMs). Nicole shares her mixed experiences with LLMs—finding brief personal value but little long-term usefulness in her work—and critiques their environmental impact, reliance on questionable training data, and potential to concentrate power among major tech companies. She raises concerns about consent, bias, and the quality of generated code, while also acknowledging LLMs’ potential in accessibility and trust and safety roles. Ultimately, both Nicole and Jared advocate for a values-driven approach to technology, urging developers to critically evaluate the tools they use and the broader implications of their choices.

Links:

Mastodon: [email protected]

Nicole’s Bandcamp

Can I Ethically Use LLMs?

Talon Voice Software

Recurse Center

Deconstruct Conf

AMP Project

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In this episode of Dead Code, Jared talks with Kevlin Henney about the importance of immutability in software development, particularly as a strategy for reducing bugs related to state and concurrency. Kevlin explains that while many programming languages default to mutable state, treating state change as a privilege—not a right—can lead to more maintainable, less error-prone code. He discusses how immutability strengthens encapsulation, simplifies reasoning about systems, and avoids issues like race conditions and deadlocks, especially in multi-threaded environments. Kevlin also emphasizes that these design choices are architectural, not just implementation details, and that teams benefit from shared philosophies around state management. The conversation ties into broader programming culture and offers practical insights for developers, especially those working in languages like Ruby, where mutability is common but evolving.

Links:

Kevlin Henney’s article – “Restrict Mutability of State”

Book – 97 Things Every Programmer Should Know

Open source repo with contributions

Overflow collection curated by Shirish Padalkar (includes the “Restrict Mutability of State” essay)

RubyConf Mini Providence Talk – Immutable Data Structures

RailsConf Talk – Immutable Objects in Practice

@Kevlin on Bluesky

@[email protected]

Kevlin Henney on LinkedIn

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In this episode of Dead Code, journalist Joan Westenberg joins host Jared to explore the political and ethical consequences of our tech choices, advocating for decentralized, open-source platforms over corporate-controlled ecosystems like Google and Meta. Joan shares her path from tech journalism to founding The Index, a reader-supported publication free from ads and investor influence, driven by a DIY punk ethos inspired by bands like Fugazi. She critiques the monopolization of the internet, the erosion of data privacy (especially for EU users), and the complicity of tech giants in supporting authoritarian politics. Emphasizing the power of small, intentional decisions, Joan urges listeners to resist cynicism, adopt “pragmatic meliorism,” and choose tools and platforms that align with their values—even if it’s harder—because incremental change still matters.

Links:

The Index

Joan Westenberg’s Website

Ghost

Mastodon

Pixelfed

Lemmy

Fairphone

Murena / /e/OS

Vivaldi

Qwant

Ecosia

Where Wizards Stay Up Late: The Origins of the Internet

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In this episode of Dead Code, host Jared Norman speaks with Jean Boussier, a key contributor to the Ruby community and Shopify engineer, about the challenges of concurrency in Ruby, particularly the Global VM Lock (GVL). Jean explains that while the GVL was originally implemented to simplify Ruby’s design, it now limits parallel execution, sparking debate on whether it should be removed. He argues that many Ruby applications are more CPU-bound than previously thought and suggests improving Ruby’s thread scheduler as a more practical short-term solution rather than eliminating the GVL entirely. The discussion also explores Ractors, Ruby’s experimental approach to parallelism, which remains unstable and impractical for most applications. Jean envisions a future where Ractors become more viable, gradually leading to broader concurrency improvements. The episode wraps up with insights on profiling tools and the evolving landscape of Ruby performance optimization.

Links:

Jean Boussier’s Blog

Jean’s GitHub

Ivo Anjo’s GVL Profiling Talk (RubyConf)

Ivo Anjo’s GVL Profiling Tool

Jean’s Blog Post: “So, You Want to Remove the GVL?”

Jean’s Blog Post: “The Mythical IO-Bound Rails App”

Ruby Ractors Documentation

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In this episode of Dead Code, Jared interviews James Gayfer about data modeling and the challenges of structuring databases effectively. James, who prefers raw SQL over ORMs, explains how many database models merely mirror table structures, leading to inefficient APIs and excessive data fetching. He discusses the concept of complete versus incomplete data models, emphasizing that completeness depends on an application’s needs at a given time. They explore trade-offs between overly simplistic models that require frequent queries and overly complex ones that attempt to replicate real-world relationships in unnecessary detail. James advocates for designing domain models thoughtfully, using patterns like repositories to maintain consistency while keeping data retrieval manageable. Ultimately, he encourages developers to embrace iteration, rethink their models as needed, and accept that all models are wrong, but some are useful.

Links:

James Gayfer’s Blog

James Gayfer’s Mastodon profile

SQLx library for Rust

Repository Pattern

Hanami Framework

Phoenix Framework

Ecto

Hotwire

All models are wrong, but some are useful

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In this episode of Dead Code, Jared explores the world of roguelike game development with guests Mark R. Johnson and Darren Grey from Roguelike Radio, discussing the history, appeal, and technical challenges of the genre. They dive into the upcoming Seven-Day Roguelike Challenge, where developers create a game in a week, emphasizing the importance of procedural generation, permadeath, and strategic mastery. The conversation covers how roguelikes have evolved from classic ASCII-based dungeon crawlers to modern iterations like FTL and The Binding of Isaac, attracting both players and programmers due to their complexity and emergent gameplay. Darren and Mark share advice for aspiring developers, urging them to keep their projects small and focused while embracing the creative possibilities of procedural content.

Links:

Seven-Day Roguelike Challenge (7DRL) on itch.io

Roguelike Radio Podcast

Roguelike Dev Community on Reddit

Roguelikes Community on Reddit

Mark R. Johnson’s Game (Ultima Ratio Regum)

Mark R. Johnson’s Twitter (X)

Mark R. Johnson’s Bluesky

Darren Grey’s Bluesky

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In this episode of Dead Code, Jared interviews Tim Riley about Hanami, an alternative Ruby web framework that prioritizes separation of concerns, modular components, and maintainability over Rails’ monolithic approach. Tim explains how Hanami’s repository pattern for database interactions reduces unintended ripple effects, while its built-in dependency injection improves testability and scalability. He shares the evolution of Hanami, its integration with dry-rb and ROM, and the project’s commitment to fostering an inclusive, sustainable community. With ongoing efforts to enhance accessibility and documentation, Hanami aims to offer Ruby developers a flexible, well-structured alternative for building applications while staying within the familiar Ruby ecosystem.

Links:

Hanami Website

Tim Riley’s Website

Tim Riley on Mastodon

Hanami GitHub Repository

dry-rb GitHub Repository

ROM-rb GitHub Repository

Tilt (Ruby template engine support)

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In this Dead Code podcast episode, Cyrus Omar and Andrew Blinn discuss Hazel, an innovative programming language and editor designed to handle incomplete programs by providing continuous feedback and partial code execution, similar to dynamic languages, while maintaining a robust type system. Hazel’s unique graphical editor allows domain-specific visual representations, such as sliders for integers and playing cards for data manipulation, making programming more intuitive and tactile. The team highlights collaborations with climate scientists for interactive data work and explores Hazel’s potential across various domains like hardware design and mathematics. Future developments include “probes” for live runtime data visualization within code, with the hope that Hazel’s novel approach will inspire broader adoption in the programming community.

Links:

Hazel Website

Andrew Blinn’s Website

Andrew’s Balatro Cards Demo

PROPL Workshop Paper

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Episode Transcript

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