tal

Don’t use Instagram or TikTok

Yeah, in general, my answer to "I don't like using Internet site X" is "well, don't use that site."

There are a vast number of sites out there. Use one that you like. I don't have a very high opinion of lemmygrad.ml, but I deal with that by not going there.

"But TikTok is a big site!"

Okay. I don't use Instagram or TikTok. I can assure you that it's very possible to not use them.

"But my friends use Website X!"

Well, making the probably-reasonable assumption that the relationship is symmetric and they also use it because you do, that situation isn't going to change unless someone decides to use something else.

I quit Reddit years ago and moved on to the Fediverse...Social media is not of any interest to me.

I mean, the Fediverse is distributed rather than centralized, but being distributed doesn't make something not social media.

Is this worth the effort?

In terms of electricity cost?

I wouldn't do it myself.

If you want to know whether it's going to save money, you want to see how much power it uses

you can use a wattmeter, or look up the maximum amount on the device ratings to get an upper end. Look up how much you're paying per kWh in electricity. Price the hardware. Put a price on your labor. Then you can get an estimate.

My guess, without having any of those numbers, is that it probably isn't.

The cavernous, ancient Westminster Hall, dating to 1097, where the late Queen Elizabeth II lay in state, is resolutely immune to getting any internet or mobile phone reception; highly impractical if you are arranging to meet people there who are running late and messaging you to say so.

https://en.wikipedia.org/wiki/Picocell

A picocell is a small cellular base station typically covering a small area, such as in-building (offices, shopping malls, train stations, stock exchanges, etc.), or more recently in-aircraft. In cellular networks, picocells are typically used to extend coverage to indoor areas where outdoor signals do not reach well, or to add network capacity in areas with very dense phone usage, such as train stations or stadiums. Picocells provide coverage and capacity in areas difficult or expensive to reach using the more traditional macrocell approach.[1]

UNIX schedulers became better and better, and eventually nobody needed to set process priorities and nice levels anymore.

I use nice levels.

Deep in the heart of the Radhausberg mountain, nestled in the majestic landscape of Austria's Hohe Tauern mountains, our radon thermal tunnel unfolds its natural healing powers.

Innovative.

Another thing to note about gaming keyboards is that they often advertise "n-key rollover" (the ability to have n simulataneous keys pressed at once — for many key combinations, typical keyboards will often only let you press two keys at once, excluding modifier keys). Although not generally tested here, I tried a "Razer DeathStalker Expert Gaming Keyboard" that advertises "Anti-ghosting capability for up to 10 simultaneous key presses". The Razer gaming keyboard did not have this capability in a useful manner and many combinations of three keys didn't work. Their advertising claim could, I suppose, technically true in that 3 in some cases could be "up to 10", but like gaming keyboards claiming to have lower latency due to 1000 Hz polling, the claim is highly misleading at best.

That being said, the real issue was keyboards that used matrix encoders, where all keys were represented in a matrix, addressed by one line going high on the X axis and one line going high on the Y axis. I understand that this is cheaper, and expect that it's probably because this requires running fewer traces from the keys to the controller than doing one for each. It looks Something like:

That's just a 3x3 matrix, as an example. So if I press "Q" on my keyboard, the X1 and Y1 line will go high. If I keep it pressed and then additionally press the "W" key, the Y1 line, which is already high, will stay high. The X2 line will then also go high. The controller can detect the keypress, since a new line has gone high.

If I keep both keys pressed and then additionally press the "R" key, then the X1 line is already high due to the "Q" key being down, and will stay high. The "Y2" line will go high. The controller can detect the keypress.

However, if I then press the "T" key, it can't be detected. Pressing it would normally send the X2 line and Y2 line high, but both are already high due to existing keys being pressed.

In practice, keyboard manufacturers try to lay out their matrix to try to minimize these collisions, but there's only so much they can do with a matrix encoder. They'll also normally run independent lines for modifier keys.

A controller using a matrix encoding can always detect at least two keys being simultaneously pressed, but may not be able to detect a third.

Matrix encoders aren't really an issue when typing, but some games do require you to press more than two non-modifier keys at once. For example, it's common to use the "WASD" keys for movement, and moving diagonal requires holding two of those. if someone is playing a game that requires pressing another key or two at once, those might collide.

As I recall, USB sends the full state of the keyboard, not events specific to a button when a button is pressed. There are protocol-level restrictions on the number of "pressed keys" that can be pushed. That means that USB keyboards don't support n-key rollover, and are why you'll see some companies selling gaming keyboards with a PS/2 option

because that protocol does send state on a per-button basis. (It's also why, for those of us that have used PS/2 keyboards and have experienced this, it's possible to get a key on a PS/2 keyboard "stuck" down until it's pressed again if the OS, for whatever reason, misses a key-up event.) USB gaming keyboards probably (hopefully) won't actually advertise n-key rollover. But they can avoid using a matrix encoder, and in general, one really doesn't need n-key rollover for playing games

just the ability to detect up to the USB limit. We only have ten fingers, and I don't think that there are any games that require even something like six keys to be down at once.

Obviously, in the case the author hit with the Razer keyboard, it wasn't able to do that. I'm not sure what they're doing (unless they're simply completely fabricating their feature claim, which I assume that they wouldn't). They might be using a larger matrix and sparsely-populating it, though I'm guessing there.

You can definitely feel 100 ms in input response time. That's about what an analog modem's latency would be. I can tell you, that's very much noticeable on a telnet or ssh connection when you're typing (though to be fair, what matters there is really round-trip time, so one should probably double that).

On that note, if someone hasn't run into it, mosh uses UDP and adaptive local echo to shave down network latency for terminal connections, and might be worth looking into if you often do remote work in a terminal over a WAN. It uses ssh to bootstrap auth (if you're concerned about using less-widely-used thing what does network authentication, which I remember I was). I find that it makes things more pleasant, and also like some of its other features, like auto-reconnecting after an arbitrary length of time. One can just close a laptop and then reopen it a week later and the terminals function. Tmux and GNU screen can also do something similar

and in fact, I think that mosh and tmux are good packages to pair with each other

but they don't do quite the same thing, as they require (a) manual re-establishment of connection and are (b) aimed at letting one reconnect from different clients. It also displays a notice in the terminal if there's temporary network unavailability until it's re-established communication, so the user isn't simply staring at his screen wondering whether the software on the remote machine is being unresponsive or whether it's a network issue.

That's...actually a substantial amount more latency than I'd expected. Not exactly the same thing, but for perspective, while I haven't played multiplayer competitive FPSes for many years, back when I did, the limit of what I could really "feel" when it came to network latency was around 10 milliseconds. The latency the keyboards are adding, if it's as high as measured, is a really substantial amount of delay to be adding if you're talking video games.

considers

Note that depending upon the keyswitch mechanism, the controller does need to debounce the thing to avoid duplicate keypresses. I've used a keyboard before with a controller that didn't adequately debounce, and it was extremely obnoxious

occasionally would get duplicate keypresses, and I had to filter it out at the level of my computer.

However, if you look at gamepad button latency, they also need to worry about bounce, and their latency is much lower:

https://gamepadla.com/

You can get gamepads with sub-2-millisecond latency on USB.

EDIT: Note that one thing that I learned from following !ergomechkeyboards@lemmy.world is that there are some semi-standardized open-source firmwares for (fancy, expensive) microcontroller-based keyboards; I believe that QMK is popular. I don't know how the latency on those microcontroller-based keyboards compare, but assuming that there aren't any fundamental constraints imposed by the other hardware on the keyboard, it might be possible to shave some time off of that by tweaking the firmware.

I believe that at least some keyswitch mechanisms become more prone to bouncing over time, but if so, it might be possible for a microcontroller to detect bounces and tune the wait time to the mechanism on a given keyboard to adapt to mechanism wear.

New, Subscribed

New: There's a limited enough amount of content presently being submitted in the areas that I'm interested in that I don't feel the need to try to use votes to filter out things. It's not impossible that I'd move to something that accounts for votes in the long run, but it's not enough of a torrent yet.

Subscribed: I don't believe that trying to view All and then blacklisting everything that you don't want scales well. People can add communities all the time, and inevitably

there's a huge amount of stuff out there

a lot of it isn't stuff that I'm going to be interested in. It's like trying to blacklist the Internet

means a constant game of whack-a-mole. Also, "All" will only see communities that are either local to your home instance or where another user on your home instance has already subscribed to things, so especially on smaller instances, you may never see something that you're interested in that someone does create. I follow !newcommunities@lemmy.world, !communitypromo@lemmy.ca and hit https://lemmyverse.net/communities occasionally to find new communities of interest.

I imagine that whatever shipping service the shop is using will work it out as long as they've got a non-ambiguous street address for delivery.

That does make me interested as to whether any of that reduction in intended spending would involve reduced spending on memory in the next, say, three years.