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Car sales tax in five US states, as pure functions (and the rules that look alike but aren't)

Car sales tax in five US states, as pure functions (and the rules that look alike but aren't)

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5 min read
I Built an Animated Clock Wallpaper App with Flutter — Looking for Android Beta Testers

I Built an Animated Clock Wallpaper App with Flutter — Looking for Android Beta Testers

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2 min read
Your x402 tests may be passing against a server that never reads the payment

Your x402 tests may be passing against a server that never reads the payment

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3 min read
What to change when agents write most of the code

What to change when agents write most of the code

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5 min read
AI Agent Approval: Bind the Decision to the Action That Will Execute

AI Agent Approval: Bind the Decision to the Action That Will Execute

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5 min read
Testing AI workflow automation on a tender: a cite check with a planted answer key

Testing AI workflow automation on a tender: a cite check with a planted answer key

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10 min read
How to track flaky Playwright tests over time

How to track flaky Playwright tests over time

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5 min read
Your Tests Are Green and Prove Nothing: 4 Signs You're Testing the Mock

Your Tests Are Green and Prove Nothing: 4 Signs You're Testing the Mock

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4 min read
Video AI Breaks at the Sampling Rate, Not the Model

Video AI Breaks at the Sampling Rate, Not the Model

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5 min read
We Graded Our Own Question Bank. The Score Was Zero. (And That's the Product.)

We Graded Our Own Question Bank. The Score Was Zero. (And That's the Product.)

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5 min read
How to test an automation before production: A practical checklist

How to test an automation before production: A practical checklist

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4 min read
My Agent Cheated Its Benchmark. The Tests Weren't Even in the Room.

My Agent Cheated Its Benchmark. The Tests Weren't Even in the Room.

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11 min read
Math.ceil() almost overcharged pensioners by â‚č1: floating point in a money calculator

Math.ceil() almost overcharged pensioners by â‚č1: floating point in a money calculator

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5 min read
ClickUp Review 2026: Free Plan Tested on Windows (8 Steps, 7.4/10)

ClickUp Review 2026: Free Plan Tested on Windows (8 Steps, 7.4/10)

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4 min read
Our migrations passed in CI as a superuser and failed in the first new database we built

Our migrations passed in CI as a superuser and failed in the first new database we built

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2 min read
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