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JJOmeo

HN member
Joined
Thu, Jan 09, 2025, 4:56 AM UTC
HN karma
9
Public activity
8 items

About JJOmeo

Old grumpy embedded software engineer.

Recent public activity

  1. comment
    Comment #43296541

    I had a similar experience writing image decompressors. There wasn't enough to internally manage for rust to provide any benefit, and the gritty fast algorithmic code is just simpl…

  2. comment
    Comment #42787335

    I've got a bunch of thermal printers in my work lab that definitely don't have this but they all support ESC/POS. They're all currently produced kiosk style printers.

  3. comment
    Comment #42787303

    Some of these show up as USB to serial converters and while you do need appropriate kernel drivers for that, they'll never be recognized as a "printer". Still usable though.

  4. comment
    Comment #42787279

    This could be plain software on any computer with network and a serial port. Not sure if the product is tied to RP hardware but it certainly wouldn't have to be. I work with therma…

  5. comment
    Comment #42705910

    Wait until you hear what C compilers try to do if you divide by a constant. Hint: they don't need to use a division instruction in most cases.

  6. comment
    Comment #42651610

    Google for contacts and small stuff. Photos get copied to a home server which itself gets backed up. I've used rsync front-ends, non-standard apps which I don't like (PhotoSync). I…

  7. comment
    Comment #42642085

    I find this kind of thing most useful for microcontrollers and real-time embedded systems that don't require full networking. I've used many of these concepts but maybe not all at …

  8. comment
    Comment #42641761

    Pool allocators don't walk the list or search anything though. All interactions are only at the list head and O(1), as all free nodes are just that, free and equal.