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Alex Ellis

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

  • The tech interview prep industry
    Apr. 3, 2022

    Before I got into tech, I worked at a tutoring company in the Northern Virginia suburbs of Washington, D.C., doing a mix …

  • Keeping a debugging lab notebook
    Mar. 27, 2022

    I like to keep a debugging lab notebook when I’m working through a particularly tricky problem. It’s nothing fancy, just …

  • Detecting pitch with the Web Audio API and autocorrelation
    Mar. 20, 2022

    I’ve been playing with the Web Audio API recently, and I made a basic app that will detect the pitch of incoming tones …

  • I prefer my biographies in chronological order, thank you very much
    Mar. 13, 2022

    Usually, biographies go through someone’s story in roughly chronological order. OK, that’s a little too linear, like a …

  • My lizard brain is no match for infinite scroll
    Mar. 6, 2022

    I’m declaring defeat. Infinite scroll has won. There is an endless supply of interesting things to consume online, and …

  • I miss easily seeing how my coworkers use tools
    Feb. 27, 2022

    It’s one of the little things I miss about working in-person with other people. Writing software can involve so many …

  • Morse Codle
    Feb. 16, 2022

    This is a game for playing Wordle with Morse Code. JavaScript is needed to run this game. If you don’t have it …

  • Writing Morse code games in JavaScript using the Web Audio API
    Feb. 12, 2022

    Playing sound with the Web Audio API Playing Morse code Morse code timing Playing letters, words, and sentences …

  • Little games to play with Morse Code in your browser
    Feb. 4, 2022

    Be sure to also check out my other Morse code game, Morse Codle, a daily Morse code Wordle puzzle. This is a pair of …

  • Writing a toy traceroute from scratch
    Jan. 30, 2022

    traceroute is a tool you can use to trace the route of packets from your computer to another computer. It lets you see …

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