Technical Articles

Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.

All categories Arquitetura Automação Backend Carreira DevOps Eletrônica Engenharia Frontend Hardware IA Negócios Produtividade Redes

Automação•4 min

Smart home freezing? How to debug scripts in Lua

Is your smart home randomly freezing and rebooting? Learn how to track down logic bugs and memory leaks in ESPHome controllers running Lua scripts.

Hardware•3 min

Raspberry Pi freezing? How to mitigate SD card corruption

Learn why your Raspberry Pi corrupts SD cards and discover how to use overlay rootfs and reduce flash disk writes in homelabs.

EngenhariaProdutividade•4 min

Team missing deadlines? How to estimate without planning poker

Tired of estimates that never match reality? Learn how to drop planning poker and use continuous flow and batch size to accelerate software deliveries.

DevOps•5 min

Manual deploy failing? How to build pipeline with ArgoCD

Tired of manual, error-prone deploys? Learn how to implement GitOps using ArgoCD to automate continuous software delivery securely on Kubernetes clusters.

BackendArquitetura•4 min

Microservices without global transaction? How to apply Saga pattern

Learn how to maintain data consistency in distributed microservices without relying on traditional atomic global database transactions.

Frontend•4 min

Heavy bundle in React? How to apply code splitting

Learn how to optimize modern web app loading in React by splitting heavy components with dynamic lazy loading.

Backend•4 min

Slow database query? How to use covering indexes

Learn how covering indexes in PostgreSQL prevent expensive table scans and speed up your system's critical API endpoints.

IA•5 min

Slow vector database? How to manage embeddings

Discover persistence and efficient vector indexing strategies for large-scale semantic search, avoiding performance bottlenecks in your database.

HardwareDevOps•4 min

How to measure real energy consumption on bare-metal servers via IPMI

Learn how to correlate CPU and disk I/O usage with real power consumption in watts measured via IPMI in bare-metal microservices environments.

HardwareRedes•5 min

How to size uninterruptible power supplies for homelabs

Learn how to calculate real power factor, battery runtime, and surge protection to keep your local servers and storage racks safe during power outages.