Raí Siqueira - Blog

A practical guide to common AI terms such as LLMs, agents, harnesses, open-weight models, context windows, tokens, parameters, RAG, MCP, and more.

An overview of my development setup and tools I use

AI coding agents are reshaping how software gets built.

An overview of my year in 2025.

A brief history of a migration that I worked a few months ago

Reflections on Speaking at PragVue 2025

After a few years of trying frameworks on top of React, I decided to simplify things and just use Astro.

Vite and React Router 7 are the future of modern web development.

An overview of my development setup and tools I use

An overview of my year in 2024.

A brief overview of the Deno 2 benchmark API.

An approach to improve the security of your Next.js Server Actions.

What we learned from migrating a Vue.js project from version 2 to version 3.

The easiest way to generate an RSS feed for your Next.js app without effort.

Learn how to show the media queries that are currently being applied to the page using Chrome DevTools.

WordPress, one of the most popular content management platforms in the world, turned 20 in 2023.

Learn how to generate a random ID in React using the `useId` hook or the `Math.random` and `crypto` APIs.

How to use an external store in Vue 3 using the composition API.

Learn how to implement a simple publish-subscribe pattern in TypeScript.

Learn how to setup MSW in a React project using Vite.

In this post, we will learn what tree shaking is and how it works.

Com a versão 9 do Angular prestes a sair, temos algumas novas features que vão nos ajudar a desenvolver nossas aplicações e também a debugar-las de maneira certa, e uma dessas novidades é o objeto global `window.ng`.