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.
Latest Articles - Page 8
2026 has been the most pivotal year in my career… and it's only March
In February I left my employer after nearly two decades of service. In the moment I was optimistic, yet unsure I made the right choice. Dust settled, I’m now absolutely sure I chose correctly. I’m hap
The agentic passive voice.
At some point, you will have learned about the passive voice, where the actor in a sentence is unclear. For example, my software didn’t compile. That’s a good example of the passive voice. However, yo
tar: a slop-free alternative to rsync
So apparently rsync is slop now. When I heard, I wanted to drop a quick note on my blog to give an alternative: tar. It doesn’t do everything that rsync does, in particular identifying and skipping up
tar: a slop-free alternative to rsync
So apparently rsync is slop now. When I heard, I wanted to drop a quick note on my blog to give an alternative: tar. It doesn’t do everything that rsync does, in particular identifying and skipping up
The Second Wave of the API-first Economy
Fifteen years ago, when some colleagues and I were building Heroku’s V3 API, we set an ambitious goal: the public API should be powerful enough to run our own dashboard. No private endpoints, no escap
Is the FDE role becoming less desirable?
Job postings for Forward Deployed Engineers (FDEs) have surged, but many professionals don’t want the role because it’s more like solutions engineering than software development.
TOML to YAML Converter
Convert TOML configuration files to YAML format directly in your browser. No data is sent to any server.
I got yet another digital typewriter: The BYOK
I love my single-purpose devices, and I got another one for distraction-free writing called the BYOK!