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Friday, 28 August 2026 Reading Room

Tech

Read-Point Planning: Your Backlog Is a Cache of Beliefs

Read-Point Planning: Your Backlog Is a Cache of Beliefs Cache invalidation is famously one of the two hard things in computer science. The joke survives because the pain is real: keep a copy of something, and the moment the original changes, your copy starts lying to you. It lies silently, with a straight face, and it lies hardest to the people who trust it most. Here is the uncomfortable part.…

dev.to ·

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Is the best way to watch a movie on a pair of sunglasses?

Are XREAL's smart glasses the way of the future for home entertainment?

  • XREAL's a01 smart glasses offer 1080p resolution and 1,600 nits brightness for movie watching.
  • Glasses function as external monitor via USB-C connection to laptop or phone.
  • Project Aura promises more immersive experience with hand tracking and Google Play Store access.

·techcrunch.com

Your agent didn't fail. You closed the lid

SleepSwitch is a macOS menu bar toggle that stops your Mac from sleeping — lid closed included. One click, no password prompts, and a battery guard so you don't cook your laptop in a bag.

  • SleepSwitch prevents Mac from sleeping even when lid closed
  • One-click toggle for long agent runs
  • Battery guard feature for overheating prevention

·dev.to

Why Sweating the Details Matter: Flask, port 5000, localhost, Safari and macOS

Pop quiz : Suppose you are developing a Flask app. Flask uses port 5000 as its default port. Now suppose that you have your Flask app running on macOS on port 5000.

  • Flask app runs on port 5000, causing potential conflicts with AirPlay
  • macOS resolves localhost to IPv6 address ::1, not 127.0.0.1
  • Access Flask app using http://127.0.0.1:5000, not localhost

·dev.to

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