How to Calculate Age Correctly: The Edge Cases Every Developer Misses
Calculating someone's age sounds like a five-minute task: function getAge(birthday) { const diff = Date.now() - new Date(birthday).getTime(); r
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Calculating someone's age sounds like a five-minute task: function getAge(birthday) { const diff = Date.now() - new Date(birthday).getTime(); r
The Validator Change That Breaks Your Security Assumptions Firedancer isn't just a performance upgrade. It's a fundamental change to how So
This article has a more math-focused version with formal proofs on Folio. In the previous three parts, we built RSA from the ground up: modular ari
Medusa is an open-source headless commerce platform. It provides REST and JS APIs for products, carts, orders, payments — build any storefront.
In the last 24 hours, we observed a striking momentum spike of -0.433 in the sentiment surrounding the topic of data science. This anomaly suggests a
Mise (formerly rtx) is a polyglot dev tool version manager. One tool to replace nvm, pyenv, rbenv, and more — plus task runner and env management.
Drizzle Studio is a built-in database GUI that comes free with Drizzle ORM. Browse, edit, and query your database from the browser. Launch
Ratatui is a Rust library for building terminal user interfaces (TUI). Build dashboards, file managers, and interactive tools for the terminal.
Gum by Charm is a tool for building beautiful shell scripts. It provides interactive prompts, spinners, file pickers, and styled text — all from bash.
Nushell is a modern shell where everything is structured data. Pipelines work with tables, not text — think SQL meets bash. Structured Data
Zellij is a modern terminal multiplexer (tmux alternative) written in Rust. It has a plugin system, built-in layouts, and great defaults. Qu
SST Ion (v3) is a framework for building full-stack apps on AWS. It uses Pulumi under the hood and provides a simple component model for Lambda, datab
ts-rest creates type-safe REST APIs with a shared contract between client and server. Like tRPC but for REST endpoints. Define Contract
Ofetch is a better fetch from UnJS. Works in Node, browsers, Workers with auto-retry and smart JSON. Usage import { ofetch } from "ofet
Ky is a tiny, elegant HTTP client for the browser and Deno. Built on fetch, it provides retry, hooks, timeout, and JSON parsing in just 3KB.
Valtio makes proxy-based state management simple. Mutate state directly — React auto re-renders. Usage import { proxy, useSnapshot } fr
Typebox creates JSON Schema types that also serve as TypeScript types. Define once — get runtime validation AND compile-time type safety. De
Unkey is an open-source API key management and rate limiting service. Create, validate, and revoke API keys with built-in analytics. Create
Inngest is a serverless event-driven platform for building reliable background jobs, workflows, and scheduled tasks without managing queues.
Oslo provides auth building blocks: password hashing, TOTP, OAuth, JWTs. From the Lucia Auth creator. Password Hashing import { Argon2i