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The UI Testing Problems That Look Simple Until They Reach CI

The UI Testing Problems That Look Simple Until They Reach CI

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9 min read
The Reconciler Pattern: When a Queued Job Simply Never Runs

The Reconciler Pattern: When a Queued Job Simply Never Runs

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3 min read
When AI can't read, it invents — but it still sees the shape

When AI can't read, it invents — but it still sees the shape

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7 min read
My AI gate tests were green theater. The fix was to stub the wire — and nothing above it.

My AI gate tests were green theater. The fix was to stub the wire — and nothing above it.

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5 min read
A practical checklist for validating Palworld 1.0 breeding data

A practical checklist for validating Palworld 1.0 breeding data

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1 min read
I ported Picomatch to Rust. It passed 1,977 tests and lost the benchmark by 18x

I ported Picomatch to Rust. It passed 1,977 tests and lost the benchmark by 18x

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7 min read
My exactly-once refund paid twice, and 373 passing tests could never have caught it

My exactly-once refund paid twice, and 373 passing tests could never have caught it

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6 min read
Why Browser Test Reliability Is Now a Product Decision, Not Just a Framework Decision

Why Browser Test Reliability Is Now a Product Decision, Not Just a Framework Decision

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8 min read
You can't code-review a webhook retry

You can't code-review a webhook retry

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2 min read
I Tried to curl a Mock World Cup 2026 API and Got Nothing — Here's Why Playwright Was the Right Tool

I Tried to curl a Mock World Cup 2026 API and Got Nothing — Here's Why Playwright Was the Right Tool

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6 min read
Lighthouse gives your Flutter app a perfect accessibility score. It's lying

Lighthouse gives your Flutter app a perfect accessibility score. It's lying

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4 min read
I found 10 bugs in my own security scanner. Here's what they taught me about false positives.

I found 10 bugs in my own security scanner. Here's what they taught me about false positives.

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4 min read
I ported decimal.js to Go and ran its own 22,658 tests against the result. Four bugs were mine. One was theirs.

I ported decimal.js to Go and ran its own 22,658 tests against the result. Four bugs were mine. One was theirs.

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8 min read
Three Small Shell Scripts That Make HackerRank/DevSkiller C++ Take-Homes Way Less Painful

Three Small Shell Scripts That Make HackerRank/DevSkiller C++ Take-Homes Way Less Painful

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6 min read
Python Selenium Architecture

Python Selenium Architecture

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2 min read
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