Urgent.News

the world's headlines, one feed

Editions

Tech

Os8088: Um poderoso sistema operacional parecido com o Mac para os IBM XT, 286, 386

Article URL: https://os8088.com/ Comments URL: https://news.ycombinator.com/item?id=49226923 Points: 214 # Comments: 133

Translated from Portuguese Read in Portuguese

We haven't written up this one. Hacker News Best has the full story — the link below goes straight to it.

This story

This is one outlet's version. Read the fullest account.

Read the original at os8088.com →

More in Tech

Where exactly is the card in this photo? Image segmentation model inside a maxed-out lambda container

A crooked phone photo goes in, a clean straight card image comes out - no GPU, and nothing running when nobody uploads. It runs on the biggest lambda AWS sells, and the biggest is not the same as…

  • BiRefNet-General-Lite model used for image segmentation
  • Memory constraints addressed by reducing container memory and resizing images
  • Model chosen for efficient CPU-based segmentation in Lambda container

JWT auth without the confusion

JWT auth without the confusion JWTs are everywhere, but they're often misunderstood. Let's strip away the jargon and see what they actually are, how they work, and how to use them safely in your apps.

  • JWTs consist of three segments: header, payload, and signature
  • Authentication involves login, token creation, and token inclusion in requests
  • Avoid storing tokens in localStorage due to XSS vulnerability

Building Resilient Real-Time Systems: WebSockets, Redis, and High Availability Architectures

Originally published on tamiz.pro . Building real-time systems that are not only fast but also resilient and highly available is a critical challenge in modern software architecture.

  • WebSockets provide persistent bidirectional communication for real-time applications
  • Redis serves as a message broker with Pub/Sub mechanism for state and messaging
  • High availability achieved through horizontal scaling, Redis Sentinel, and clustering