Design a robust Flutter network image caching strategy with memory, disk, and CDN layers, using cached_network_image, headers, and sizing for performance.
Build a fast, accessible React filter + sort list with hooks, TypeScript, debouncing, and virtualization. Includes stable sorting and reusable patterns.
Build a robust React countdown timer with hooks and TypeScript: zero-drift updates, pause/resume/reset, accessibility, SSR tips, tests, and examples.
Build a robust React masonry grid: approaches, pitfalls, and a production-ready component with ResizeObserver, responsive columns, and smooth reflows.
Build a smooth, accessible React parallax scroll effect using CSS, a custom hook, and a library option. Includes performance and a11y tips.
Build a fast, accessible React command palette with fuzzy search, keyboard UX, and TypeScript—complete with code, ARIA, and performance tips.
