Martin Fowler
My favorite musical discoveries of 2025
A roundup of favorite 2025 albums spanning diverse genres: Balkan brass, Ethio-jazz, jazz-rock fusion, and more global sounds.
Daily Digest
Why TDD and AI coding tools exploit the same psychological flaws
Drew DeVault draws a provocative parallel between Test-Driven Development cults and GenAI adoption, arguing both exploit developers' psychological need to feel competent while potentially undermining actual code quality.
- TDD's hidden influence on architecture: While ensuring test coverage, TDD shapes codebases to be "testable" rather than well-designed, and provides no guarantee that passing tests verify the right behavior for actual user needs.
- The dopamine trap of development metrics: Both TDD's green test suites and AI's rapid output create addictive feedback loops through coverage percentages, CI badges, and productivity metrics that make developers feel competent regardless of actual code quality.
- AI coding agents as the new performance theater: GenAI tools let mediocre programmers experience the rush of 10x developer productivity, building "cathedrals" quickly that have beautiful test coverage but rotten foundations underneath.
- The psychological cost of shortcuts: Developers chase these tools despite knowing the externalities (environmental costs, job displacement) because the feeling of finally being "great" at programming overrides long-term concerns.
#tdd-psychology#ai-code-generation#developer-productivity-metrics#software-testing-culture#programming-dopamine-loops
View all daily digests →Latest Articles - Page 16
Martin Fowler
Fragments: January 8
Anthropic reports developers use AI for 59% of work with 50% productivity gains, mainly for debugging and understanding code.
Julia Evans
A data model for Git (and other docs updates)
Author contributed to Git's official docs by creating a new "data model" guide explaining core concepts like objects, references, and indexes.
Gergely Orosz (Pragmatic Engineer)
The grief when AI writes most of the code
AI writing most code brings grief to developers as they grapple with what happens to software engineering when their primary skill becomes automated.
Seth Michael Larson
“Food JPEGs” in Super Smash Bros & Kirby Air Riders
Masahiro Sakurai has used flat, stock photo-style food images as a consistent artistic choice across 8 games spanning 25 years, starting with Super Smash Bros. Melee.
Filippo Valsorda
go.sum Is Not a Lockfile
Go's go.mod serves as both manifest and lockfile; go.sum is not a lockfile and doesn't need to be checked.
Nikita Prokopov (tonsky)
It’s hard to justify Tahoe icons
macOS Tahoe added icons to every menu item, making menus cluttered and harder to navigate since nothing stands out when everything has an icon.
Ned Batchelder
No more .html
Site removed .html extensions from URLs after 24 years because someone said they looked outdated like files.
Xe Iaso
2026 will be my year of the Linux desktop
Author declares 2026 as their year to switch to Linux desktop, turning the long-running meme into reality.
Seth Michael Larson
New ROM dumping tool for SNES & Super Famicom from Epilogue
Epilogue's new SN Operator ($60) lets collectors legally dump and archive their SNES/Super Famicom game ROMs for preservation and emulation.
Chris Wellons (null program)
WebAssembly as a Python extension platform
WebAssembly enables extending Python with architecture-independent code, allowing developers to use their preferred languages and tools without native compilation.
Tim Bray
Regexp Lessons
Author lands a PR enabling regexp features in Quamina, continuing a 12-year journey with finite automata that began at AWS with event-ruler.
Will Larson
Building internal agents
Imprint is documenting lessons learned while building internal AI agent workflows, covering topics like prompt libraries, evals, logging, and workflow design.
Will Larson
Building an internal agent: Iterative prompt and skill refinement
Companies must iteratively refine AI agents to build employee intuition for automation, developing talent in-house rather than acquiring it externally.
Eli Bendersky
Summary of reading: October - December 2025
Review of Fukuyama's political order book & phone phreaking history. Notes difficulty of political science due to limited data points.
Kent C. Dodds
The Dow's Start on the Covenant Path
Missionary shares experience teaching and baptizing Jeremiah and Beiyi Dow, helping them begin their journey on the covenant path.
Seth Michael Larson
Cutting spritesheets like cookies with Python & Pillow 🍪
A Python tool called "sugarcookie" uses Pillow to automatically cut spritesheets into individual sprites based on mask colors and size constraints.
Amos (fasterthanlime)
2025 Recap: so many projects
Unable to summarize: no content provided. Title suggests a 2025 year-end review highlighting multiple projects completed.
Chris Wellons (null program)
Freestyle linked lists tricks
Linked lists can be enhanced with new capabilities without disrupting the original structure, as demonstrated through building a key/value environment variable collection.