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Find those bugs before your users do! 🐛

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I tested my AI bug hunter on 44 real bugs from Express, ESLint, Hexo and others. It caught 32.

I tested my AI bug hunter on 44 real bugs from Express, ESLint, Hexo and others. It caught 32.

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2 min read
Privacy Budgets for Browser Email Tests

Privacy Budgets for Browser Email Tests

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4 min read
Testing async side effects in an LLM agent harness: tickets, retries, and exactly-once

Testing async side effects in an LLM agent harness: tickets, retries, and exactly-once

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6 min read
Four permission checks to test before connecting an AI agent to real tools

Four permission checks to test before connecting an AI agent to real tools

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4 min read
拾玖搜证台:手动测豆包,该选记录器、Diff 还是观测平台?

拾玖搜证台:手动测豆包,该选记录器、Diff 还是观测平台?

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1 min read
React Email Verification States That Explain Themselves

React Email Verification States That Explain Themselves

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4 min read
Build a Chat API with ASP.NET Core and an LLM

Build a Chat API with ASP.NET Core and an LLM

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8 min read
Your Agent Is Only as Good as Your Codebase

Your Agent Is Only as Good as Your Codebase

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5 min read
A Freeze Is a Ceiling on Evidence, Not a Floor: Priority Rules for Agent-Patch Test Gates

A Freeze Is a Ceiling on Evidence, Not a Floor: Priority Rules for Agent-Patch Test Gates

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6 min read
Test payment without the success page

Test payment without the success page

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1 min read
A pre-launch mobile app testing checklist for small teams

A pre-launch mobile app testing checklist for small teams

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2 min read
How an importer tells Brazilian from European Portuguese

How an importer tells Brazilian from European Portuguese

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5 min read
Why my dataclass test failed when the values matched

Why my dataclass test failed when the values matched

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1 min read
Cap the Diff at One Seam: Picking the Smallest Safe Refactor After Characterization

Cap the Diff at One Seam: Picking the Smallest Safe Refactor After Characterization

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4 min read
Your Agent's Failure Predictor Is Grading the Task, Not the Run

Your Agent's Failure Predictor Is Grading the Task, Not the Run

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6 min read
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