http://localhost:3000 Essays on Claude skills, interface craft, and the small web. en Tue, 02 Jun 2026 00:00:00 GMT http://localhost:3000/blog/flexbox-tuong-tac http://localhost:3000/blog/flexbox-tuong-tac Tue, 02 Jun 2026 00:00:00 GMT Hiểu sâu Flexbox qua demo tương tác: từ mental model, justify/align, grow/shrink đến gotcha thực chiến. http://localhost:3000/blog/sliding-window-pattern http://localhost:3000/blog/sliding-window-pattern Fri, 20 Mar 2026 00:00:00 GMT A family of interview problems falls to the same pattern once you see it. The sliding window is that pattern. http://localhost:3000/blog/nextjs-caching-four-layers http://localhost:3000/blog/nextjs-caching-four-layers Thu, 12 Mar 2026 00:00:00 GMT Caching in the App Router is powerful and confusing in equal measure. Here is the map I wish I had from day one. http://localhost:3000/blog/thinking-in-agents http://localhost:3000/blog/thinking-in-agents Thu, 05 Mar 2026 00:00:00 GMT When a single LLM call is not enough, you reach for an agent. Here is the mental model I use to design them without overengineering. http://localhost:3000/blog/type-narrowing-the-skill http://localhost:3000/blog/type-narrowing-the-skill Wed, 25 Feb 2026 00:00:00 GMT Learning TypeScript syntax is easy. Learning to narrow types correctly — and knowing when not to — takes longer. http://localhost:3000/blog/composition-over-configuration http://localhost:3000/blog/composition-over-configuration Wed, 18 Feb 2026 00:00:00 GMT The prop surface of a component is a bet on how it will be used. Composition-first design keeps that bet small. http://localhost:3000/blog/rag-in-practice http://localhost:3000/blog/rag-in-practice Tue, 10 Feb 2026 00:00:00 GMT Building a retrieval-augmented system is straightforward in a notebook. Keeping it honest in production is not. http://localhost:3000/blog/two-pointers-pattern http://localhost:3000/blog/two-pointers-pattern Thu, 05 Feb 2026 00:00:00 GMT Once you see the two-pointer pattern clearly, you start seeing it everywhere. Here is how I think about it. http://localhost:3000/blog/server-components-data-fetching http://localhost:3000/blog/server-components-data-fetching Wed, 28 Jan 2026 00:00:00 GMT React Server Components are not just a performance optimization. They are a different mental model for where code lives. http://localhost:3000/blog/useeffect-rules http://localhost:3000/blog/useeffect-rules Tue, 20 Jan 2026 00:00:00 GMT useEffect is the most misunderstood hook in React. After shipping dozens of components that got it wrong, here is the mental model that fixed it. http://localhost:3000/blog/building-with-claude-skills http://localhost:3000/blog/building-with-claude-skills Mon, 12 Jan 2026 00:00:00 GMT Anthropic's Claude skills turn abstract 'prompts' into reusable, reviewable units of behavior. Here's how I've been shipping them at work without ceremony. http://localhost:3000/blog/typescript-utility-types http://localhost:3000/blog/typescript-utility-types Thu, 08 Jan 2026 00:00:00 GMT TypeScript ships a standard library of type transformers. These are the five I use constantly and the one I keep forgetting. http://localhost:3000/blog/shopify-app-accessibility-contrast http://localhost:3000/blog/shopify-app-accessibility-contrast Mon, 05 Jan 2026 00:00:00 GMT App Bridge and Polaris give you a safety net, but merchants are going to override it. Designing a contrast-safe theming layer that still respects the brand. http://localhost:3000/blog/astro-view-transitions-in-practice http://localhost:3000/blog/astro-view-transitions-in-practice Mon, 22 Dec 2025 00:00:00 GMT The View Transitions API feels magical in a five-line demo. Here is what actually happens when you try to ship it on a real content site.