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andrelom / Developer Setup Guide: Fedora 43 Workstation.md
Last active March 24, 2026 22:40
Developer Setup Guide: Fedora 43 Workstation

Developer Setup Guide: Fedora 43 Workstation

1. Recommended System Tweaks

Fast Updates & Codecs

# 1. Optimize connection settings.
echo "max_parallel_downloads=10" | sudo tee -a /etc/dnf/dnf.conf
@andrelom
andrelom / HAMRADIO.md
Last active August 20, 2025 11:59
Ham Radio glossary.

GLOSSÁRIO DE RADIOAMADORISMO E RADIOTELECOMUNICAÇÕES

FUNDAMENTOS E EQUIPAMENTOS

  • Radioamadorismo: Atividade regulamentada em que pessoas operam estações de rádio com fins experimentais, educativos e de serviço público.
  • Transceptor: Equipamento que combina transmissor e receptor de rádio em uma única unidade.
  • HT (Handie Talkie): Rádio portátil, geralmente VHF/UHF.
  • Base Station: Estação fixa com maior potência e antenas maiores.
  • Repetidora (Repeater): Estação automática que recebe e retransmite sinais para ampliar o alcance da comunicação.
  • RIG: Gíria para se referir ao equipamento de rádio.
@andrelom
andrelom / flash.ts
Last active November 7, 2024 12:24
Flash is a lightweight, in-memory cache that temporarily stores a promise for a very short time (1500ms).
// Flash is a lightweight, in-memory cache that temporarily stores a promise for a
// very short time (1500ms).
// It’s designed to support services integrating with external systems by reducing
// repeated requests within a brief period. Since the cache is stored in memory,
// results may vary when the application is hosted across multiple pods. Flash is
// not intended to serve as a cache provider like Redis!
// For example, in Next.js, we have the `generateMetadata` function, which in some
// cases uses the same service to fetch both page data and metadata. However, we