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#debugging

Troubleshooting code issues

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The Illusion of Progress: how a typo in my custom mutator sent my fuzzer into the wrong parser

The Illusion of Progress: how a typo in my custom mutator sent my fuzzer into the wrong parser

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7 min read
My LLM reranker did nothing, and every test passed

My LLM reranker did nothing, and every test passed

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3 min read
Your fetch failed, your code wrote an empty array, and now your tests assert a lie

Your fetch failed, your code wrote an empty array, and now your tests assert a lie

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6 min read
The flaky test that was a tenant-isolation bug

The flaky test that was a tenant-isolation bug

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3 min read
48-Hour Field Notes: I Benchmarked a Cold Endpoint and Called It Compute

48-Hour Field Notes: I Benchmarked a Cold Endpoint and Called It Compute

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6 min read
My URL-to-Markdown converter chased a redirect chain into a consent wall — and learned to stop early

My URL-to-Markdown converter chased a redirect chain into a consent wall — and learned to stop early

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2 min read
n8n error handling: capture failures before adding retries

n8n error handling: capture failures before adding retries

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4 min read
5 best LLM observability tools in 2026

5 best LLM observability tools in 2026

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10 min read
48-Hour Field Notes: My Heartbeat Detector Called a Suspended Laptop a Crash

48-Hour Field Notes: My Heartbeat Detector Called a Suspended Laptop a Crash

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7 min read
Log your skips

Log your skips

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4 min read
Two Date Strings One Character Apart Land on Different Days

Two Date Strings One Character Apart Land on Different Days

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3 min read
Bench Triage: How to Trace Shorted Motherboard Power Rails with a Multimeter

Bench Triage: How to Trace Shorted Motherboard Power Rails with a Multimeter

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5 min read
48-Hour Field Notes: My Diff Blamed the Model; My Stream Logger Was Splitting UTF-8

48-Hour Field Notes: My Diff Blamed the Model; My Stream Logger Was Splitting UTF-8

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6 min read
My sign-in button said "not configured". The cause was a 3 MB video

My sign-in button said "not configured". The cause was a 3 MB video

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3 min read
7 kleine Details, die eine Website kaputt machen, ohne dass du es merkst

7 kleine Details, die eine Website kaputt machen, ohne dass du es merkst

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7 min read
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