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Alex Ellis

Writing about tech, our minds, and how things work.

  • My false start when learning to program
    Jul. 16, 2022

    I got into programming after college, but there was a brief period of time when I had first tried to learn how to …

  • Work context, home context
    Jul. 10, 2022

    When I usually think about context in the meta, non-technical part of being a software engineer, I usually think of …

  • How to break the Envoy CI at head
    Jul. 3, 2022

    I like to talk about small mistakes I’ve made. I’m a big proponent of psychological safety, and as a champion for it, I …

  • Long running pull requests
    Jun. 26, 2022

    There’s nothing quite like merging a pull request that has been pending for months. It’s so satisfying. At Google, they …

  • How far behind a plane is its noise?
    Jun. 12, 2022

    If you’re ever near a relatively low flying airplane, you may have noticed that it sounds like it’s in a different spot …

  • I only care about the helpful notifications, not the promotional ones
    Jun. 5, 2022

    Here’s a scenario. First, you download an app for a service that has some sort of in-person component, like picking up …

  • Playing with a 3D representation of RGB color space
    May. 28, 2022

    I’m working on a color picking/finding game, and part of it will be asking the user to pick a color from a range of …

  • Wikipedia Over WhatsApp
    May. 21, 2022

    In-flight messaging I was on a Delta flight the other day, and I was thinking about how they offer free messaging from …

  • A basic ear training note matching game
    May. 14, 2022

    This is a game for matching musical notes. JavaScript is needed to run this game. If you don’t have it enabled, I …

  • "I don't know the numbers": a math puzzle
    May. 8, 2022

    I saw a math puzzle the other day on Hacker News. It reads as follows: Two numbers are chosen randomly, both are …

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