Bookmarks

Visualize the boundary between RSC (React Server Components) and Client Components in your React codebase. - mimifuwacc/rsc-boundary-marker

How Airbnb hardened Mussel, our key-value store, with smarter traffic controls to stay fast and reliable during traffic spikes.

The discovery of a backdoor in XZ Utils in the spring of 2024 shocked the open source community, raising critical questions about software supply chain security. This post explores whether better Debian packaging practices could have detected this threat, offering a guide to auditing packages and suggesting future improvements.\n

https://vuefes.jp/2025/

Async params, Turbopack by default, and the cleanup of experimental features

I am not sure if I am doing something wrong but using zod/v4 shows this with the import cost extension in vscode and my "first load of js" went up by 30kb in my nextjs app.

ESLint plugin to enforce namespace imports for Zod - samchungy/eslint-plugin-import-zod

Fast caching software with a focus on low latency and cpu efficiency. - pogocache/pogocache

On Monday, a major AWS outage hit thousands of sites & apps, and even a Premier League soccer game. An overview of what caused this high-profile, global outage

Rails middleware for LLM-optimized error messages. Contribute to panozzaj/plain_errors development by creating an account on GitHub.

Here's a question that comes up all the time: Q: I have a front end that calls into a back end. It needs to do things now, and might need to do more thi...

The one where I pen some premium rage bait

🚀 RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platforms such as MinIO and Ceph. - rustfs/rustfs

Have you ever asked yourself what if we could replace any message broker with a very simple one using only two UNIX signals? Well, I'm not surprised if you didn'

Design Doc for RSS Reaeders based on Cloudflare Workers - ARCHITECTURE.md

はじめに TypeScriptで型を定義する際、interface と type のどちらを使うべきか。これは、多くの開発現場で一度は議論になるテーマではないかと思います。 世の中の多くのドキュメントや記事では、クラスへの implements のしやすさや、interface が持つ「宣言のマージ（Declarati…

Advanced fetch wrapper for typescript

How to start really getting Ruby, especially blocks.

LINE DC Generative AI Meetup #7の登壇資料 https://linedevelopercommunity.connpass.com/event/371716/

I've written a number of little scripts over the years, many of which I use every day. Here's a little collection.

TanStack Start is one of the most exciting full-stack web development frameworks I’ve seen. I’ve written about it before. In essence, TanStack Start takes TanStack Router, a superb, strongly-typed client-side JavaScript framework, and adds server-side support. This serves two purposes: it gives you a place to execute server-side code, like database access; and it enables […]

Syntactically Awesome Style Sheets

The mistakes we've made at PostHog and how to avoid them

A data-driven comparison of CSR, SSR, and RSC under the same app and test setup, focusing on initial-load performance and the impact of client- vs server-side data fetching (including Streaming + Suspense).

A critique of React Server Components and Next.js 15.

URLPattern became Baseline Newly available as of September 15, 2025.