flaviocopes

Fix tools that work in Terminal but disappear from Finder-launched macOS apps by locating binaries and building an explicit child-process PATH.

Learn the native HTML dialog element for accessible modals: showModal, close, form method dialog, backdrop styling, and why it beats div modals.

The CSS parent selector styles an element from what is inside it. Forms, cards, previous siblings, quantity queries, and when JavaScript is still better.

Claude's published system prompts show how an AI product combines rules, current facts, safety checks, tools, and a model behind the scenes.

CSS container queries style a component by its own width, not the viewport. Learn container-type, named containers, query units, and the traps that break layouts.

Add optional Ollama-generated summaries to a Swift app while preserving deterministic fallback data, short health checks, failure backoff, caching, and testability.

Learn how to cancel fetch requests in JavaScript with AbortController, handle AbortError, set timeouts, and abort on unmount or superseded requests.

An in-depth tutorial on the Intersection Observer API: entries, thresholds, rootMargin, lazy loading, infinite scroll, scrollspy, visibility tracking, and the pitfalls to avoid.

Learn what Cloudflare Workers AI is, connect its AI binding to a Worker, and build a small text summarization API step by step.

Learn how Cloudflare AI Gateway sits between your application and AI models, then route and inspect a real request through a Worker.