Urgent.News

What's breaking now, across thousands of outlets.

More in Tech

🗺️ The Complete Limn Engine Learning Roadmap: From Zero to Game Developer

🗺️ The Complete Limn Engine Learning Roadmap: From Zero to Game Developer A step-by-step guide to learning JavaScript game development with Limn Engine — no experience required.

  • JavaScript fundamentals essential for game development
  • Variables, numbers, strings, and booleans form building blocks
  • Create four complete games to master Limn Engine

Understanding Key Web APIs: Fetch API, WebSockets, and Service Workers

Modern web applications rely heavily on APIs provided by browsers to enable rich interactive experiences. Among the most foundational are the Fetch API, WebSockets, and Service Workers.

  • Fetch API simplifies network requests with promise-based interface
  • WebSockets enable persistent, full-duplex communication for real-time apps
  • Service Workers power offline caching and background tasks in PWAs

Cross-platform file locking in Python — fcntl vs msvcrt from scratch

What happens when a GUI app and a separate background process both try to write to the same configuration file at the same time?

  • fcntl.flock() creates advisory lock on file for Unix-like systems
  • msvcrt.locking() provides equivalent functionality for Windows
  • Sidecar file approach avoids platform-specific quirks in locking

More from Monday 7 September →