Blog

Articles about programming, technology, Lisp, and occasional reflections. Most recent posts first. Subscribe to the feed

Posts are written in Portuguese. Some may have English summaries.

Configurando LLMs localmente para uso pessoal

Jan 11, 2026

A practical guide on setting up language models locally with Ollama and using them for everyday tasks.

PT IA Ferramentas

O Otimismo, ou como iniciar uma conversa

Oct 04, 2025

Reflections on optimism as a tool for human connection and how to start meaningful conversations.

PT

Revisiting Windows 98's nostalgia

Apr 01, 2024

A nostalgic deep dive into Windows 98 — what made it special, and what we lost along the way.

EN

Plan 9: REST requests using the filesystem (seriously)

Apr 07, 2024

How to make REST API requests using the Plan 9 filesystem — yes, everything is a file.

EN Plan 9

Plan 9: Setting up 9front on a Raspberry Pi

Apr 10, 2021

Step-by-step guide to installing and running 9front on a Raspberry Pi.

EN Plan 9

Majestic Lisp: Interpretando Majestic com Majestic

Mar 14, 2021

Devlog #4 — Majestic Lisp interpreting itself: metacircularity in practice.

PT Lisp

Majestic Lisp: Implementando let em termos de clausuras

Nov 18, 2020

Devlog #3 — How to implement let using lambda and closures in a Lisp interpreter.

PT Lisp

Reading E-mail from Gmail on Plan 9 from Bell Labs

Oct 06, 2020

How to read Gmail on Plan 9 — because why wouldn't you check email from a research OS?

EN Plan 9

Mais Recursos de Majestic Lisp

Sep 30, 2020

Part 2 of the introduction to Majestic Lisp — more features, more macros, more fun.

PT Lisp

Apresentando Lisps e Majestic Lisp

Aug 05, 2020

Introduction to the world of Lisps and presentation of Majestic Lisp, a Lisp interpreter in Haskell.

PT Lisp

Programando Autômatos Celulares em APL

Apr 21, 2020

Implementing the Game of Life and other cellular automata using the APL language.

PT APL

Classificando Lisps: O Caso Clojure

Aug 16, 2019

An analysis of where Clojure fits in the Lisp family and what that means.

PT Lisp

Desenvolvimento em C no Plan 9 From Bell Labs

Mar 24, 2019

How to program in C on Plan 9 — differences from POSIX, a custom compiler, and the charm of a different system.

PT Plan 9

Escalonando matrizes em APL

Aug 22, 2019

Step-by-step matrix row reduction using APL — mathematics and array-first programming.

PT APL

Orientação a Objetos: Java versus Common Lisp

Jan 08, 2019

Comparing the object-oriented model of Java and Common Lisp (CLOS) — multiple dispatch, generic functions, and more.

PT Lisp

Learning Genetic Algorithms

Dec 27, 2018

An introduction to genetic algorithms with practical examples in Common Lisp.

EN

Contando Ocorrências de Números em C, C++ e Common Lisp

Dec 18, 2018

Comparing solutions for counting occurrences in C, C++, and Common Lisp — each language has its own way.

PT Lisp

Associatividade de Operadores em C/C++

Dec 02, 2018

A detailed guide on operator associativity in C/C++ — left vs right, and why it matters.

PT

Early Ideas: A Modern Lisp Machine from Scratch

Sep 15, 2018

First thoughts on building a modern Lisp Machine — hardware, software, and the dream of a Lisp-native computer.

EN Lisp