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Testing & Quality
Unit/integration tests, fuzzing, reliability, and observability for apps.
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A six-line edit made fifteen units stale. The freshness check was working correctly.
1+ hour, 14+ min ago (530+ words) Every unit of this project carries a record of its last verification, and each record pins the configuration it was checked against by hashing it. If the configuration changes, the pin no longer reproduces and the record goes stale, which…...
Our SSRF guard passed every test we ran — until a stranger's comment pointed out the test we never ran
1+ hour, 19+ min ago (300+ words) Then I didn't follow up. The comment sat there for weeks. Going back to it tonight, the gap was worse than I'd worried. Five of our endpoints (redirect-trace, security-scan, security-headers, favicon, scrape) fetch a user-supplied URL. All five guarded against…...
I published a benchmark that was entirely my own bug
1+ hour, 55+ min ago (898+ words) I built a small thing and then spent considerably longer trying to find out whether it worked. The trying-to-find-out is the part worth writing about, because for seven runs my measurement was broken in a way that produced confident, specific,…...
Swapping every model in a RAG
1+ hour, 37+ min ago (44+ words) In the comparison articles (part 1 and part 2) I put my own RAG against five other systems. The... Tagged with ai, rag, llm, python....
The OOM killer stopped my acceptance check four times in two days. It was rebuilding the project to read a number.
1+ hour, 49+ min ago (606+ words) There is a step at the end of each work session that decides whether each unit of the project is accepted. It gathers, for every unit, whether its test suite passed, whether its checks are current, whether its documentation was…...
From Automation Frameworks to Agentic QA: What Changes When AI Can Take Action?
2+ hour, 11+ min ago (693+ words) A Staff SDET's field guide to the architectural shift — for juniors who want to actually understand... Tagged with playwright, ai, testing, qa....
Top 5 AI Code Review Tools 2026 | HackerNoon
1+ day, 3+ hour ago (732+ words) AI reviewing AI? What could possibly go wrong? Well, for starters, the biggest issue here is bias. If a model has written the code, it probably shouldn’t be the one doing the review. Then there’s the fact that these code…...
An HTTP 200 is not a delivered job application
13+ hour, 5+ min ago (336+ words) Every auto-apply tool I have taken apart marks an application "sent" at the same moment: the instant it dispatches the click. That is a read-back of our own input, and it is the weakest signal in the whole pipeline. I…...
Why a PR walkthrough can pass validation and still be hard to read
15+ hour, 40+ min ago (770+ words) I made an HTML guide for reading pull requests. When I shared it with coworkers, the visual feedback was encouraging, but I still felt that parts were hard to follow. One person wanted to see the explanation before the code…...
Every AI Tool Gives You the Same Result You’d Get From a Bad Prompt. Nobody Talks About That.
11+ hour, 6+ min ago (308+ words) There’s a pattern I’ve noticed across every AI tool I’ve used — text, images, music, doesn’t matter which one.Continue reading on Medium » Every AI Tool Gives You the Same Result You’d Get From a Bad Prompt. Nobody Talks About That....