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#debugging

Troubleshooting code issues

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CoreText said 59 points, the Chinese caption needed 71, and the export "succeeded" blank

CoreText said 59 points, the Chinese caption needed 71, and the export "succeeded" blank

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4 min read
I gave my AI agent a safety rule. It quietly stopped shipping for four days.

I gave my AI agent a safety rule. It quietly stopped shipping for four days.

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4 min read
Filter-After-Slice: The Bug That Quietly Broke Our Deduplication Window

Filter-After-Slice: The Bug That Quietly Broke Our Deduplication Window

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4 min read
Windows silently stops delivering WH_KEYBOARD_LL hook events when a Chromium window has focus (and the diagnostic hook hides it)

Windows silently stops delivering WH_KEYBOARD_LL hook events when a Chromium window has focus (and the diagnostic hook hides it)

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3 min read
My own sandbox was killing my agent's shell, and the exit code hid it

My own sandbox was killing my agent's shell, and the exit code hid it

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5 min read
The bug was in the colour space, not the parser

The bug was in the colour space, not the parser

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2 min read
"V cache quantization requires flash_attn" — the llama.cpp error that quietly halves your context window

"V cache quantization requires flash_attn" — the llama.cpp error that quietly halves your context window

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10 min read
The Vanished Constraint: Debugging a Coding Agent That Forgot Its Own Decision

The Vanished Constraint: Debugging a Coding Agent That Forgot Its Own Decision

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4 min read
Debugging Legacy Bottlenecks with AI: A Systematic Workflow for Complex Codebases

Debugging Legacy Bottlenecks with AI: A Systematic Workflow for Complex Codebases

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7 min read
The Eval Passed and Production Still Broke: A Token-Counting Retrospective

The Eval Passed and Production Still Broke: A Token-Counting Retrospective

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4 min read
Invalid src prop… hostname is not configured: It's One File, Not Two

Invalid src prop… hostname is not configured: It's One File, Not Two

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6 min read
I exported 11 years of notes through a CLI. Three of its failures looked like success.

I exported 11 years of notes through a CLI. Three of its failures looked like success.

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4 min read
Why MCP initialize Fails: A Diagnostic Taxonomy

Why MCP initialize Fails: A Diagnostic Taxonomy

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6 min read
Debugging 4 Password Reset Email Failures (Requests, Domains, Templates, Payloads)

Debugging 4 Password Reset Email Failures (Requests, Domains, Templates, Payloads)

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8 min read
I Reviewed 30 eCommerce Web Design Portfolios to Find Our Process Gaps.

I Reviewed 30 eCommerce Web Design Portfolios to Find Our Process Gaps.

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7 min read
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