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seoulbigchris

HN member
Joined
Thu, Jul 14, 2022, 3:56 AM UTC
HN karma
81
Public activity
67 items

About seoulbigchris

meet.hn/city/kr-Sacheon-si

Socials: - github.com/thestumbler

Interests: Hardware, Hacking, IoT, Mentorship, Programming, Space Tech, Startups, Technology, Writing

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Recent public activity

  1. comment
    Comment #48947461

    I knew a few ham radio guys who could copy Morse code at greater than 20 WPM and simultaneously carry on a conversation.

  2. comment
    Comment #46515371

    At first, I thought you meant restaurants which had a big scrolling ticker along the wall so patrons could watch the market while they dine.

  3. comment
    Comment #46515251

    yep, I see those often here -- scary. Another sofa-related irony is that a lot of Koreans don't actually sit on their sofas. Rather, they sit on the (heated) floor and use the sofa…

  4. comment
    Comment #45712084

    If you liked the Smith Chart, you'd love using the Spirule to solve root locus problems. https://en.wikipedia.org/wiki/Root_locus_analysis

  5. comment
    Comment #45711965

    Oh, found a picture of one of these plastic ones flikr: https://www.flickr.com/photos/jonsphotos/218609214/in/album-...

  6. comment
    Comment #45711925

    I felt the same way. At some point shortly after graduation, I found a heavy plastic Smith chart that was designed to be written on with a grease pencil, and erased with a cloth wh…

  7. comment
    Comment #45199769

    I just did a spot check, since I live very near an airport. The airport is blurred / obscured on Naver and Kakao Maps. Google maps and Google Earth still show the actual imagery. I…

  8. comment
    Comment #43483675

    Most of our professors did allow them. As they explained their reasoning, the information you could store in your calculator memory at that time was roughly equivalent to what you …

  9. comment
    Comment #43398757

    I have a product labeled Boogieboard that I bought on a whim at Costco years back. I want to say it was less that $10? Really simple, no connectivity, it does really seem like an e…

  10. comment
    Comment #43398670

    A long time ago, a colleague and I visited a supplier in another state. While we were waiting alone in a conference room, we noticed an unusual looking note taking device at the fr…

  11. comment
    Comment #43378498

    When I first was exposed to Lynx, I was also working on a project using the Lynx realtime Posix OS. To my knowledge, the two aren't related other than by name. I checked a couple o…

  12. comment
    Comment #43372040

    Here in South Korea, everyone who uses online banking has to renew and reissue banking certificates every year. While I'm not convinced the certificate process is 100% safe, using …

  13. comment
    Comment #43343484

    I also just remembered, these things had option slots. Which I had to use on my III, because I needed more memory to print many kinds of documents / images (I vaguely remember it m…

  14. comment
    Comment #43343428

    Back in college one summer, I had an HP calculator crammed full of programs I had written for various circuit and RF design courses I was taking. I didn't have any way to store the…

  15. comment
    Comment #43330502

    I had a LaserJet III that lasted forever, like over ten years. It just wouldn't die.

  16. comment
    Comment #42633949

    I've used that article several times in the past. I'll also note that many years ago, on projects which were not cost sensitive, we would often use the MC14490 IC for hardware debo…

  17. comment
    Comment #42549903

    I live less than a km from a small airport in South Korea, and hear that "cannon" going off all the time. Now I'm curious, is it propane or a person? I'm going to be on the lookout…

  18. comment
    Comment #42549866

    One report I read here (I'm in South Korea) said the gear was down for the first aborted attempt and were then retracted for the go-around. I can't remember where I read that, howe…

  19. comment
    Comment #42328733

    > A few apps have complained about the older OS; so far I've been able to react by deleting the apps. Not about the phone (I have iPhone 12), but I have an app called Trunk Notes w…

  20. comment
    Comment #42110932

    It makes sense that new rules should apply to newly made/sold phones. Why not grandfather existing phones? Isn't any communication better than none in an emergency? A working phone…

  21. comment
    Comment #42048076

    That makes sense. So perhaps the immediate impact on operations on election day coverage / reporting is more symbolic than real?

  22. comment
    Comment #42047864

    > Pretty much any production compiler can do this. I'm curious how a compiler could know this at compile time? If you mean a runtime checking feature, I get it. I'm referring to an…

  23. comment
    Comment #42047771

    I have digital / print subscription to the NYT. It seems like stories were being published online Monday, and the paper paper arrived. Strike doesn't start until Tuesday?

  24. comment
    Comment #42047650

    I think why this has always stuck in my craw is that a compiler can complain if the result and operands aren't the same size. But if they ARE the same size, the compiler doesn't si…

  25. comment
    Comment #42047565

    Yeah, I get that. Existing hardware supports double-width integers for multiplication (`u16 = u8 * u8`, etc ). But for addition, typical ALUs don't support oddball widths like (`u9…