Featured
How Discord Stores Trillions of Messages – Amazing history about how Discord managed to overcome its problems with a mix of database migration and internal code.
What happens when you make a move in lichess.org? – lichess.org is a popular open source chess platform, this post looks its architecture and what happens while you’re playing.
The Log: What every software engineer should know about real-time data’s unifying abstraction – Fantastic (and long) post about log. This post explains many concepts around logs that can help understand modern databases and data processing pipelines.
Tog’s paradox – Amazing post about the complexity paradox. Important reflection about customers complexity and needs specially on modern software products.
Knowledge-as-a-service: The future of community business models – Internet and business are changing with massive popularization of AI tools. Not only StackOverflow but many “Knowledge-as-a-service” business should appear.
MISC
Everything I built with Claude Artifacts this week – Claude Artifacts is a powerful tool capable of generate entire projects. What looks fascinating in this post is that the author also gives the prompt used to generate each project, this is very usesfull to learn about how to get better prompts.
Everything you need to know about Python 3.13 – JIT and GIL went up the hill – Simple introduction to JIT and how to install your python 3.13 with it enabled and test.
How to use Prometheus to efficiently detect anomalies at scale – Amazing post by Grafana team about how to use pure prometheus to efficient detect anomalies at metrics (without any AI just pure math).
Tales of Performance Engineering – System performance tunings are always fun.
How I write code using Cursor: A review – AI Coding tools are a reality and every review is worth. Cursor is a fork of VS Code with many LLVM features on it.
A taste of Go code generator magic: a quick guide to getting started – Golang doesn’t have many content or options about code generation. Sometimes generate code programmatically can reduce time writing boilerplate code or create amazing tools. This post gives a nice introduction about how to do it.
Go sync.Map: The Right Tool for the Right Job – Go sync.Map is a structure that behaves like a normal Map but have some special capabilities to deal with concurrency, sometimes it can replace the traditional mutex+map combination. This post explains how it works. The entire post series from Victoria Metrics about Golang is amazing!
When I told 4,091 writers they weren’t getting paid – Race Conditions are hard, and always worth learning about bugs caused by it. This one from Medium is not exception.
No Wrong Doors. – No Wrong Doors policy looks like a must on modern companies communication.
The Shirky Principle: Institutions Try to Preserve the Problem to Which They Are the Solution – Amazing post introducing the concept of shirky principle, it made me reflect on how some companies just preserve the problem which they try to focus.
O. Valadares' Blog 