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TypeScript @throws JSDoc and Error Typing in 2026: Why Exceptions Are Still Untyped and What to Do About It
November 3, 2026
TypeScript still does not type exceptions. Learn why @throws JSDoc exists without enforcement, how to build type-safe error handling without language support, and practical patterns for production codebases.
Claude Code Custom System Prompts in 2026: Overriding Defaults, Appending Instructions, and What You Cannot Change
November 2, 2026
Developers discover that Claude Code ignores custom instructions because they set them in the wrong layer. Learn the three ways to shape Claude Code behavior, what the system prompt actually controls, and which parts remain locked no matter what you configure.
Next.js Prefetching in App Router: How Link Partial Prefetch Works and Why Your Pages Still Feel Slow
November 1, 2026
Next.js App Router prefetching promises instant navigation, but partial prefetch defaults and router cache expiration create surprising slowdowns. Learn how Next.js 16.3's new primitives fix the root causes and how to debug blocking navigations before users notice.
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