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177
Joined
2 yr. ago
No Stupid Questions @lemmy.world
ReginaPhalange @lemmy.world

Traveling Salesman is NP-Hard, yet Uber Eats delivery route optimization algorithms exist

What optimization do these kind of apps use?

  • Born 1992
    5 points

    • No typewriter ( would kill for a real TTY though)
    • Haven't listened to vinyl ( I really want to get into that, overwhelmed with stuff I need to learn)
    • No boombox ( and thank god for that - this shit looks heavy af)
    • Not recorded music to a cassette ( only from lack of trying, had a radio accepting cassettes with "record" button)
    • No postcard ( not a big thing around these parts)
  • ... Which means that if the hacker is near you when you park - there is a time period where the fob isn't masked by the bag, because it is coming out of the ignition, and voulaa - you can record the key's pong of the car's ping, retransmit, and get in. Correct?

  • No Stupid Questions @lemmy.world
    ReginaPhalange @lemmy.world

    What security purpose a Faraday bag has when it contain a vehicle keyfob

    Here's how I understand the issue:
    A keyfob is a radio Transmitter. To unlock your car you need the radio transmission to reach the car. The keyfob doesn't transmit a signal when at rest. Therefore putting a keyfob in a Faraday bag achieves nothing.

    Selfhosted @lemmy.world
    ReginaPhalange @lemmy.world

    Migrating away from Android Password Store

    Looking to migrate away from APS as it is no longer in active development.
    I need a solution that will still enable me to add/remove/change passwords from an Android device, a Linux device, and have all changes sync-up. (In GNU-pass-based APS, it's achieved by a git repo that saves passwords as gpg encrypted files) Preferably, I want it to still be self hosted, F-Droidable, and maybe a migration guide or tool to ease the transition.

    Thanks!

    No Stupid Questions @lemmy.world
    ReginaPhalange @lemmy.world

    I recall that subdomains are their own record inside a DNS, which would imply that anyone can claim that their server is a non-existent subdomain of the real domain

    No Stupid Questions @lemmy.world
    ReginaPhalange @lemmy.world

    What kind of special knowledge or equipment do piracy groups have?

    Are they breaking Widevine? Are they circumventing it? If the end result is an analog audio signal and (a ton of) RBG on/off signals - why can't I as a normal consumer capture it using some store bought gyzmo?

    No Stupid Questions @lemmy.world
    ReginaPhalange @lemmy.world

    Why does the permanent timestamp in CCTV footage sometimes change color?

    I'm refering to this
    I've also seen it happen to a single letter in that string

    No Stupid Questions @lemmy.world
    ReginaPhalange @lemmy.world

    If I construct a huge glass box and cover a fully grown tree - then fill the entire thing in water, what would happen to the tree

    Title

    No Stupid Questions @lemmy.world
    ReginaPhalange @lemmy.world

    Risks of CPR

    If proper CPR involves compressing the chest so much such that the ribcage might break - doesnt that breakage risks a bone puncturing the heart?

    Ask Lemmy @lemmy.world
    ReginaPhalange @lemmy.world

    Do you ever get riled up over a situation you imagined completely out of your head?

    It happened recently for me - I imagined I'm trying to cancel a gym membership and the gym isgivinfg me a hard time.

    I dont have a gym membership at all.