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Testing a Two-Chart Compatibility Engine Without Inventing Missing Data

Testing a Two-Chart Compatibility Engine Without Inventing Missing Data

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6 min read
I Tested a Star Wars API With Playwright, and It Was More Fun Than I Expected

I Tested a Star Wars API With Playwright, and It Was More Fun Than I Expected

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6 min read
The First Ten Minutes of Testing a Design on Mobile

The First Ten Minutes of Testing a Design on Mobile

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5 min read
Cyclomatic Complexity Has a Blind Spot — Introducing Coverage Difficulty (CD) and Responsibility Load Factor (RLF)

Cyclomatic Complexity Has a Blind Spot — Introducing Coverage Difficulty (CD) and Responsibility Load Factor (RLF)

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3 min read
A Safe Outcome Can Hide a Failed Security Control

A Safe Outcome Can Hide a Failed Security Control

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5 min read
Debugging a black box: 36 renders against Claude, and the part where my own data was wrong

Debugging a black box: 36 renders against Claude, and the part where my own data was wrong

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6 min read
Four High-severity bugs were hiding behind a green test suite in a 7k-star library

Four High-severity bugs were hiding behind a green test suite in a 7k-star library

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6 min read
Testing a data pipeline against the spreadsheets it replaced

Testing a data pipeline against the spreadsheets it replaced

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7 min read
The Higher-Ranked AI Fix Failed. The Lower-Ranked One Passed.

The Higher-Ranked AI Fix Failed. The Lower-Ranked One Passed.

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5 min read
Benchmark an AI Coding Task Across Mobile Backgrounding, Network Switches, and Battery Pressure

Benchmark an AI Coding Task Across Mobile Backgrounding, Network Switches, and Battery Pressure

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4 min read
Benchmark Mobile AI Reconnect Recovery Across Lifecycle Transitions With a Server You Can Kill

Benchmark Mobile AI Reconnect Recovery Across Lifecycle Transitions With a Server You Can Kill

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5 min read
Canary Idempotent Webhooks With Duplicate, Timeout, and Reorder Gates

Canary Idempotent Webhooks With Duplicate, Timeout, and Reorder Gates

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4 min read
How to Test an AI Agent Before Giving It Access to Your Files

How to Test an AI Agent Before Giving It Access to Your Files

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2 min read
A league season is not a long tournament: four product bugs my test suite could never catch

A league season is not a long tournament: four product bugs my test suite could never catch

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4 min read
Python Selenium Architecture and the Importance of Python Virtual Environments

Python Selenium Architecture and the Importance of Python Virtual Environments

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4 min read
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