Urgent.News

What's breaking now, across thousands of outlets.

More in Tech

Redis, Caching, and Queues: The Boring Stuff That Makes Apps Feel Fast

When I started building Footalyzer, I didn't think much about Redis. I had Next.js on the frontend, Express on the backend, MongoDB for data — that felt like enough.

  • Redis is a fast memory-based storage system, quicker than traditional databases
  • Caching stores results of expensive computations, improving response time
  • Job queues process background tasks, allowing immediate user response

Why JavaScript Has Quirks (And Why TC39 Can't Fix Them)

TL;DR: JavaScript has notorious quirks because it was designed in just ten days as a prototype to help Netscape survive the early browser wars.

  • JavaScript's quirks arise from hurried 1995 design to aid Netscape in browser wars.
  • Backward compatibility principle locks in legacy behaviors despite flaws.
  • Modern JavaScript ecosystem uses opt-in APIs to bypass original quirks.

More from Tuesday 4 August →