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Synthead @lemmy.world
Posts 189
Comments 773
This would be a nice temperature for Easter, not for Christmas Eve.
  • I'm not an anti-car person. I also understand that we live in the world we are presented with, and there is a significant systemic oil culture that is difficult and expensive to not consume. I just thought this photo was a little ironic.

  • This would be a nice temperature for Easter, not for Christmas Eve.
  • I'm not an anti-car person. I also understand that we live in the world we are presented with, and there is a significant systemic oil culture that is difficult and expensive to not consume. I just thought this photo was a little ironic.

  • Securing my network even more
  • What do you mean by "tracked and registered?" What is your goal for "securing even more?"

    MAC addresses are visible to anyone sniffing traffic for a wireless LAN, even if they haven't joined your network. If you are having anonymous folks join your network and you're granting them access based on MAC addresses, then you could consider this a security risk. They can sniff a MAC, spoof it, and join your network.

    Two devices with the same MAC address may cause some routing issues, but it will likely work well enough to have privileged access and be a bad actor. Plus, there are tools that can spoof a network disconnect request as your access point to temporarily kick off the legitimate client.

    The easiest way to handle this would be to host two access points. You can typically serve both with one physical piece of hardware. One would be for your private stuff, and you can pretty much give it a full-trust model. Join the network, get the privileges. The other would be for guests. Join that, and you just get Internet access. You can separate these networks with VLANs to achieve this.

  • Is there an artist whose work you love but was a shitty person?
  • Billy attempted to sell an Alesis SR-16 that was used in his band for $30k. It's a $100 drum machine. He was selling it himself. No charity or anything; he just tried to hyper-inflate a very common drum machine that is still produced because he thought he added that value to it by owning it. That was pretty weird.

  • Can one be too dumb for programming?
  • You'd be surprised how little math is involved in programming that doesn't require it. A significant majority of programming is simply managing conditionals. For example: "when the door opens, turn on the light."

    Math comes into place when you need it, and hardly ever comes as a surprise. Additionally, solved problems are generally kept in libraries. For example, you don't need to calculate a sum; simply tell it to calculate a sum for you, because this is a solved problem.

    What you're already running into is called "impostor's syndrome." You believe that you are not capable of something to some degree, even though reality says otherwise. You haven't tried your hand at programming, so why worry now? You're inventing problems for yourself before you even got a chance to start.

    Just go for it and see what you think. If you don't enjoy it, no biggie. If you do enjoy it, keep going. No obligations 👌

  • Home Improvement @lemmy.world Synthead @lemmy.world

    Polymeric sand in cold weather! Creative solutions to helping it cure?

    I am about finished with an 8 ft x 13 ft patio, and the plan is to bond the pavers with polymeric sand. It's just starting to get down to freezing temps overnight, and I'm willing to take some chances with some creative solutions to cure the sand before it gets even cooler.

    I understand that it's generally a bad idea to attempt poly sand in cold weather. But entertain my dumb idea: my patio is small enough to where I can cover it with a tarp like a tent, and I can leave a space heater in there overnight so that the sand is exposed to warm air. I am personally convinced that it's stupid enough to just work. Is this a terrible idea?

    I also had the thought of bringing hot water out in a watering can from my bathtub. I needed to tamp the gravel that froze at one point, so I already did this, and was able to cover the whole area in about 5 trips or so. My only concern is that this is not a conventional way to set the sand, and am concerned that the hot water would flush the polymers right out of the sand without having an opportunity to cure.

    What are your thoughts? I'm willing to take silly risks on this :) Worst case scenario, I get expensive regular sand, right? That's not so bad ;)

    Edit: Decided to wing it and give it a shot. I thought I would attempt to heat the paver bricks overnight, and if that plan fell apart, go ahead with typical utility sand. Well, I successfully built a tent with a steel tamper, a hand truck, and tarps, and snuck a little battery-powered temperature and humidity sensor in there that I use with my home automation.

    All throughout the night, the temperature hovered around 70F during a high 20s evening with less than 40% humidity! It worked so incredibly well that I decided that there was no reason why I shouldn't take advantage of this. With the bricks bone dry and warmed up, I did the poly sand today and it turned out absolutely excellent. I put the little tent back on it, and plan to leave it on there with a ceramic space heater running for about 3 more days. It's quite literally a summer day in there minus the sun! It's covered like a tent, too, so it will be protected from the rain while it hardens!

    Here's some graphs of how well this is working out from the sensor! This is the humidity! The jump and drop was when I took the tarps off, did the poly sand, and put it back together. The humidity with the situation going is the same as indoors!

    !

    And here's the temperature! Staying toasty at about 73F! The little dip on the end is from when I opened it up to crawl in and check on it :)

    !

    This is honestly better than waiting for the spring! I'm so happy how this is working out!

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