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I hid 6 secret glitches in my agent's video game. They make it easier. Can it find them?

I hid 6 secret glitches in my agent's video game. They make it easier. Can it find them?

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5 min read
Two questions that ask the same thing: how we catch near-twins before they reach a practice exam

Two questions that ask the same thing: how we catch near-twins before they reach a practice exam

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4 min read
Restarting a Failed Data Pipeline Safely: A Fail-Closed Recovery Planner in Python

Restarting a Failed Data Pipeline Safely: A Fail-Closed Recovery Planner in Python

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5 min read
Your Prompt Is Not Your Request: A Parity FAQ for Model Calls

Your Prompt Is Not Your Request: A Parity FAQ for Model Calls

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4 min read
Put a byte budget on your agent's config files and let a hook say no

Put a byte budget on your agent's config files and let a hook say no

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14 min read
AI Can Generate the Tests. QA Still Has to Define “Correct.”

AI Can Generate the Tests. QA Still Has to Define “Correct.”

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5 min read
Seven Tests I Write Before I Trust a .NET Play Counter

Seven Tests I Write Before I Trust a .NET Play Counter

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5 min read
Who Kills Your Background Worker, and How Soon? A Shutdown Test Plan

Who Kills Your Background Worker, and How Soon? A Shutdown Test Plan

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5 min read
Why Maven Build Cache Still Re-Runs Your Entire Test Suite on One-Line Edits

Why Maven Build Cache Still Re-Runs Your Entire Test Suite on One-Line Edits

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6 min read
Trace Callee Hits First: How to Scope One Safe Edit in a Messy Repo

Trace Callee Hits First: How to Scope One Safe Edit in a Messy Repo

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4 min read
Model-Drafted Property Checks Need an Admission Test: Mutants, Fixture Hashes, and a Flaky Floor

Model-Drafted Property Checks Need an Admission Test: Mutants, Fixture Hashes, and a Flaky Floor

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6 min read
Before You Debug a Host-Only Bug: Fingerprint Locale, Case Sensitivity, and libc

Before You Debug a Host-Only Bug: Fingerprint Locale, Case Sensitivity, and libc

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6 min read
The Disk Isn't Yours: Four Ephemeral-Host Myths and a Restart Drill

The Disk Isn't Yours: Four Ephemeral-Host Myths and a Restart Drill

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5 min read
Golden-image regression tests for an image pipeline in CI

Golden-image regression tests for an image pipeline in CI

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6 min read
How do you simulate a file drag-and-drop operation with Playwright when there's no direct `<input type=\"file\">` elemen

How do you simulate a file drag-and-drop operation with Playwright when there's no direct `<input type=\"file\">` elemen

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2 min read
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