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News
My determinism check can only test one producer in seven, and the print says so
8+ 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.
23+ 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....
Polar sandbox vs live webhooks — why checkout works and entitlements do not
44+ min ago (794+ words) Checkout can succeed and your app can still treat the buyer as a free user. On Polar that usually means the webhook landed in the wrong world — sandbox secret on a live deploy, production endpoint still pointed at last night’s…...
My release smoke test passed on the message that says it failed
43+ 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…...
How to Obfuscate a.NET App in GitHub Actions (CI/CD)
34+ min ago (359+ words) This guide shows the full workflow with Nebula.NET, but the pattern applies to any CLI-based.NET obfuscator..NET compiles to IL, which decompiles back to near-original C# in seconds (try it in ILSpy). Obfuscation rewrites that IL so it's…...
tracehub-mcp: Giving AI Assistants a Real Query Interface Into Your LLM Traces
34+ min ago (102+ words) The Copy-Paste Problem Here's what debugging an LLM application looks like for most... Tagged with aiengineering, mcp, observability, opensource....
My duplicate-code detector flagged the check I had just written. I deleted the duplication, not the rule.
28+ 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…...
I built a VSCode extension: Git Worktree Switcher
1+ hour, 25+ min ago (228+ words) Over the past few months, I’ve been exploring agentic AI development and working on multiple features and projects in parallel using git worktrees. There are already great tools for working with Git worktrees like Conductor, cmux, and Orca ADE. If…...
TACACS+ Failover Testing: Rejection, Outage, and Recovery Are Different Tests
1+ hour, 17+ 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, 42+ 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…...