JJJ's Blog

Author: JJJ

  • My Steamdeck Arrived!

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    JJJ
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    I ordered a Valve Steamdeck last year when Keri and I were camping at Governor Dodge. It took a few days for the order to complete because our cellular internet access was not great at the campsite. I went with the 512GB model for the exclusive etched glass screen and the no-hassle approach to having…

  • Fix HomeBrew Permissions

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    When running brew cleanup I was seeing this error: Error: Could not cleanup old kegs! Fix your permissions on: /opt/homebrew/Cellar/php/8.1.6 Quickest fix I could muster was: sudo chown -R $(whoami) $(brew –prefix)/*

  • Natches, MS

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  • Low framerate in Safari on M1 Mac

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    I recently noticed that animations in Safari were stuttering pretty badly on my M1 powered 2020 MacBook Air, and dove in to figure out why. I’m a web developer, so I went to work writing a small bit of vanilla JavaScript to monitor requestAnimationFrame which is the API that the window object uses to “paint”…

  • 17 Rules

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    JJJ
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    Build modular programs Write readable programs Use composition Separate mechanisms from policy Write simple programs Write small programs Write transparent programs Write robust programs Make data complicated when required, not the program Build on potential users’ expected knowledge Avoid unnecessary output Write programs which fail in a way that is easy to diagnose Value developer time over…

  • 19 Lessons

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    JJJ
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    Every good work of software starts by scratching a developer’s personal itch. Good programmers know what to write. Great ones know what to rewrite (and reuse). Plan to throw one [version] away; you will, anyhow (copied from Frederick Brooks’s The Mythical Man-Month). If you have the right attitude, interesting problems will find you. When you lose…

  • WordPress 5.7

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  • PHP is not recommended

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    The latest version of macOS makes it pretty clear how Apple feels about open web technologies that aren’t JavaScript:

  • Raspberry Pi 4, Ubuntu 20.04, PoE Hat Fan Control

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    I recently acquired an 8Gb Raspberry Pi 4 and promptly installed Ubuntu 20.04 on it to see how it worked. Right away, I was excited that the PoE Hat worked and that it booted without any problems, except that the fan on the Hat was no longer controllable the way that it used to be.…

  • macOS Disk Utility “Operation cancelled”

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    When trying to use Disk Utility to make a backup of one of my Raspberry Pi’s, I was repeatedly seeing an error that was causing my backup to fail. Operation cancelled Disk Utility Not particularly helpful. For me, the fix involved setting the Disk Utility application to have Full Disk Access inside macOS System Preferences,…