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The TypeScript satisfies Operator: Real Patterns

Software Development

July 20269 min read

The TypeScript satisfies Operator: Real Patterns

How the satisfies operator validates a value against a type while keeping its narrow inferred type, with patterns for config objects, route maps, and const assertions.

Valibot vs Zod: Bundle Size and Tree-Shaking

Web Dev

July 20268 min read

Valibot vs Zod: Bundle Size and Tree-Shaking

Valibot ships a schema in about 1.3 kB while Zod carries roughly 13 kB — here is why the modular pipe design tree-shakes and Zod's method chaining does not.

Valkey vs Redis: Should You Migrate After the Fork?

Backend

July 20269 min read

Valkey vs Redis: Should You Migrate After the Fork?

The license drama split the ecosystem in two. Here is what actually changed, how drop-in the swap really is, and whether it is worth your weekend.

Web Workers in React: Offload the Main Thread with Comlink

Web Dev

July 20269 min read

Web Workers in React: Offload the Main Thread with Comlink

Heavy CPU work freezes React at 0fps. Here is how I move it to a Web Worker with Comlink, when a worker beats a server call, and how to hold 60fps.

What Changed in Zod 4: Performance, Mini, and Migration

Web Dev

July 20269 min read

What Changed in Zod 4: Performance, Mini, and Migration

Zod 4 rewrote the validation core for speed, added a 1.9 KB tree-shakable mini build, and reshaped error handling — here is what changed and how to migrate.

The IDOR That Let One Branch Read Another Branch's Revenue

Security

July 20269 min read

The IDOR That Let One Branch Read Another Branch's Revenue

A real IDOR in a multi-branch ERP: how a detail endpoint that fetched by id alone leaked another branch's revenue, and the branchId-scoping fix I rolled across every Prisma module.

Showing 265–270 of 594 posts

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