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News
My determinism check can only test one producer in seven, and the print says so
18+ min ago (545+ words) I added a check that asks one question: run the thing that produces this record twice, and do you get the same bytes? One of seven. That number is not a coverage gap I plan to close. It is the…...
A question on Discord found two bugs in my RAG system. Fixing them found a third.
33+ min ago (611+ words) Every test passed. The tests had the same blind spots as the code. A developer saw Ossian's MCP... Tagged with rag, kafka, ai, opensource....
My release smoke test passed on the message that says it failed
52+ min ago (607+ words) Here is the step, as it had been since the first release: Read the last line on its own. It passes when the released version appears anywhere in the output. Now read what npm prints when the version is not…...
Reciprocal Tester Exchange vs Marketplace: Which Works?
46+ min ago (1184+ words) When I was trying to publish my first Android app on a personal developer account created after November 13, 2023, I ran straight into Google Play's 14-day testing rule. Google requires personal accounts to have at least 12 opted-in testers who keep the…...
My duplicate-code detector flagged the check I had just written. I deleted the duplication, not the rule.
38+ min ago (415+ words) A detector in my build looks for repeated code shapes. It caught a ten-line window shared between two checks that I had written deliberately, days apart, believing them to be different. They were not different. They were the same shape…...
It passed CI. It passed your evals. The customer still got the wrong answer.
52+ min ago (771+ words) Your AI agent returned a 200, passed its faithfulness check, and still answered the wrong question. The evidence that explains why lives in the trace....
Verifying Device
2+ hour, 7+ min ago (15+ words) Hollywood star reveals shock split from wife after 20 years in emotional post The Sun...
TACACS+ Failover Testing: Rejection, Outage, and Recovery Are Different Tests
1+ hour, 26+ min ago (1131+ words) A TACACS+ rollout needs more than a successful login. Test what happens when one server is unavailable, when none can answer, and when the service returns. For each state, check who authenticated the user, what the user could do, and…...
Ping Works, but HTTPS Doesn't: How to Find What Actually Broke
1+ hour, 51+ min ago (851+ words) You've probably seen this before: So the network works, right? Or your browser spins forever. This is one of the most common traps in network troubleshooting: treating a successful ping as proof that "the network is fine." ping answers one…...
Testing email verification flows in Playwright without a mail server
1+ hour, 46+ min ago (682+ words) Most signup tests die at the same line. The form submits, the app renders "check your email", and the test has nowhere to go. You can assert the confirmation screen appeared, but everything after it — the code entry, the activated…...