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#debugging

Troubleshooting code issues

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example.com and example.com/ were two rows, and 86.9% of my database was one bug

example.com and example.com/ were two rows, and 86.9% of my database was one bug

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4 min read
Bug fixes are memory too

Bug fixes are memory too

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3 min read
We Thought It Was a Cache Bug. It Was Actually a Stale Clone.

We Thought It Was a Cache Bug. It Was Actually a Stale Clone.

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1 min read
My rate limiter told callers to come back at a time it would refuse them

My rate limiter told callers to come back at a time it would refuse them

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6 min read
Why Your MQTT TLS Connection Fails, Stage by Stage

Why Your MQTT TLS Connection Fails, Stage by Stage

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6 min read
The Failure Message Had a Checkmark. LANG=C Refused to Print It.

The Failure Message Had a Checkmark. LANG=C Refused to Print It.

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8 min read
A URL Is Not a Development Loop

A URL Is Not a Development Loop

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4 min read
My checker blamed the other tool, and the defect was in the one doing the blaming

My checker blamed the other tool, and the defect was in the one doing the blaming

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3 min read
Debugging the Black Box: Why Session Replay, Error Tracking, and Structured Logs Are the Missing Observability Layer for Production AI Agents

Debugging the Black Box: Why Session Replay, Error Tracking, and Structured Logs Are the Missing Observability Layer for Production AI Agents

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13 min read
My privacy scan found 412 leaks. 374 of them were one line of my own tooling.

My privacy scan found 412 leaks. 374 of them were one line of my own tooling.

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3 min read
The measurement in my permanent log was a string literal

The measurement in my permanent log was a string literal

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Comments 1
3 min read
My negative test stopped being negative when a config file grew by four rows

My negative test stopped being negative when a config file grew by four rows

Comments 1
3 min read
Two tools disagreed 67 times, and the checker was wrong in all 67

Two tools disagreed 67 times, and the checker was wrong in all 67

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Comments 1
3 min read
All 23 of my line-number citations were wrong, and the coverage check could not notice

All 23 of my line-number citations were wrong, and the coverage check could not notice

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3 min read
I Built a Free Browser Tool to Debug Stripe Webhooks (No Signup, No Server)

I Built a Free Browser Tool to Debug Stripe Webhooks (No Signup, No Server)

Comments 1
2 min read
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