Blog

There's no load balancer to flip on a static S3/CloudFront site. Here's what AWS's origin failover and invalidation docs actually promise, and what they don't.

Nexus, jurisdiction, and product taxability are three separate problems before you ever calculate a tax rate. Most tax API integrations only solve one.

Sending a UUID as an idempotency key isn't enough. Here's what Stripe's spec actually requires around retries, retention, and concurrent duplicates.

npm and pnpm workspaces resolve dependencies very differently under the hood. Here's what the official docs say actually happens in node_modules.

A precise look at how @layer resolves specificity wars, why !important flips priority order inside layers, and how Tailwind v4 uses this.

Most hydration-mismatch advice is folklore. Here's what react.dev actually guarantees, cited precisely, with the parts everyone gets wrong.

Self-driving cars aren't failing because of bad sensors. They're failing because they don't talk to each other — and the fix is a protocol, not better AI.