skysight-inc/HackerNews huggingface dataset:
Technically the motor is also called "brushless servo motor". AI says: "A servo is a control system that converts a small mechanical motion into a larger one. It can also be used as a noun to describe a part of a machine that controls a larger machine." which sounds reasonable.

Stepper motors can be controlled with closed loop controllers and an encoder. As I said in some other comment way down the only difference between a stepper motor and a brushless servo is that steppers have more poles. A by the way is you can also "step" a BLDC (i.e. run it in open loop just like a stepper motor).
I use regexes a lot. The main thing that always trips me up is dealing with escaping, because different tools I use – vim, sed, rg, and so on – sometimes have different meanings for when to escape or not.

In one tool you’ll use + to match one or more times, and \+ to mean literal plus sign.

In another tool you’ll use \+ to match one or more time, and + to mean literal plus sign.

In one tool you’ll use ( and ) to create a match group, and \( and \) to mean literal open and close parentheses.

In another tool you’ll use \( and \) to create a match group, and ( and ) to mean literal open and close parentheses.

This is basically the only problem I have when writing regexes, for the kinds of regexes I write.

Also, one thing that’s not a problem per se but something that leads me to write my regexes with more characters than strictly necessary is that I rarely use shorthand for groups of characters. For example the tool might have a shorthand for digit but I always write [0-9] when I need to match a digit. Also probably because the shorthand might or might not be different for different tools.

Regexes are also known to be “write once read never”, in that writing a regex is relatively easy, but revisiting a semi-complicated regex you or someone else wrote in the past takes a little bit of extra effort to figure out what it’s matching and what edits one should make to it. In this case, tools like https://regex101.com/ or https://www.debuggex.com/ help a lot.
Nothing magical about it. It’s pure economics and rational decision making. The institutions we complain about in this country every day are completely insulated from it. Everything else survives or fails on its own merits.

Supply and demand. It’s a natural law.
In a complete disregard for the rule of law? Which other democratic countries with anti-nuclear constitution had a secret nuclear program?
Meta puts the 'Dead Internet Theory' into practice
That's a fine idea, but it's definitely not what "at market price" means, so you can probably understand the confusion in this thread.
anyone know how to use ffmpeg to get a video to cross-fade from the end to the start so it makes a nice loop? I cant seem to get the right response from ChatGPT.
I'd be more ok with platforms being utterly asleep at the wheel & investing nothing in the social network, if they weren't so hostile to researchers academics & civics folks getting the data to do their own analysis so we could at least have some chance to see & at least abstractly wrestle with the malignant powers that be on the internet.

Sure the creeping propaganda abuse hate-mongering & disinformation would be unchecked but at least we could have some truth & reconciliation on a macro fashion.

But this new mode of "free speech" is speech being allowed to spread with no accountability, no chance to understand what is said across the many "town squares" within the many social networks. The networks are giving their all to insure no one anywhere has any macro view of what's happening, what the situation really looks like.

They've so effectively blinded us to what's happening.
Do you drive much in cities? I'll lay out something that happens all the time:

I cross the line slowly, and some pedestrian darts out, so I stop, by the time they cross, the opposing traffic has a green, I however (in your scenario) do not know this because I can't see that the light is red for me.

So now I'm driving forward, thinking I'm good and some car comes flying through because it's green for them, and they can't see me because of the layout of the block.

I need to see and know that the light is red and just stop and wait there.

Similar things happen when the car in front of me wants to turn left, but didn't bother with a blinker - I'm in the intersection, past the line, and suddenly I need to stop because he's turning. He turned, but now it's red for me and I better wait right there, and not go forward, because other cars are about to drive.

You also aren't taking into account the varying heights of cars. If I'm in car behind a van, I won't be able to see the light because it's directly above the van so I can't see it.

Also:

Your goal is to keep cars from going too far into the intersection after a red, right?

The problem is you are assuming this happens due to incompetence, but it actually happens because of driving conditions like I mentioned.
Aside from the difficulty of the actual expedition, the cost and time requirements are prohibitive for many people. The Nepalese government has also limited the number of permits issued to climb Everest.
You could do an add operation if the background is dark enough, or yeah, take a local sample of the background to subtract from each clip, and choose a specific background...
Here is mine:

https://cybersystems.dev/gtc/gtc.html

Inspired by this article:

https://johncarlosbaez.wordpress.com/2024/09/20/the-gravo-th...
A proper optical encoders doesn't miss counts. The only time you'll lose positioning is if you lose power. Then you re-home the system to establish your zero.
Yup, what an oversight! Sorry about that.
But of course. Standard issue from Q Branch.
Anyways, Hey dudeinjapan, from also a dude in Japan (nearing 3 decades btw). Pardon the thread hijack because I don't see any way to DM here. I came across your contribution to an old thread (A mistake that killed Japan’s software industry); would like to pick you brains further.
I love the questioning my sanity before I've completely opened my eyes part. It's like a jump start to my day.
> I'm sure I won't change your mind. But for the record: the belief here is that when you have a privileged group and an underprivileged group, the privileged group has a large role to play in righting this wrong.

I think you'ce misunderstood me here. I strongly believe in positive, progressive social change, and I strongly believe that in a large part this has to come from the dominant section of society.

The issue I have here is with frivolous linguistic change wrapped up as real social change.

These SJWs, or whatever you want to call them, are essentially role playing at social change.

I will highlight again that I don't think these are all rich white Americans, just that that is where the movement originated.

Sure, they can force through a minor change (often entirely incorrect, in the case of master branch having anything to do with slavery, or deciding that latinos should be referred to as latinx even though the actual latinos seem to largely deride this term).

But that does exactly zero to improve anyone's lives, except for these few already mostly privileged SJWs who get to pat themselves on the back.

Meanwhile, the main actual change that has happened is that loads of people - potential allies - have been frustrated or even alienated by this whole foolish endeavor, and society as a whole has shifted a step to the right.
What about all their private security?
I use Pocket, and I love it. However, I would prefer if it wasn’t built into Firefox but instead remained as an extension. One thing that astonishes me is that, even as a built-in feature, every few weeks, when I click "Save," I find that I’ve been logged out. It shows me a login flow, and after completing it, the link isn’t even saved—I have to click "Save" again. That’s frustrating.
>Reading any file will tell you with 100% guarantee if it is corrupt or not.

Only possible if it was not corrupted in RAM before it was written to disk.

Using ECC memory is important, irrespective of ZFS.
You can also use the motor itself for feedback. It's called "sensorless bldc". With the right controller you can run a closed loop servo with no sensor.
Because public education has become a vector for propaganda.

Because we spend more per student but with awful results.

Because our brightest don't become schoolteachers.

Because education is years if not decades behind the skills curve.

Because big, powerful teachers unions make change impossible.

Because parents have spared the rod and spoiled the child.
I live in the Seattle metro, and tomorrow morning is the first day of class for our homeschool co-op, where I'm teaching software engineering to high schoolers.
It's wild watching South Korea protect their democracy at the same time the US throws theirs away.
The actual scenario at hand is paying 3x wages "just because".

You said 1/3 minimum wage as a strawman. Not to mention minimum wages aren't necessary anyway - like you said "it’s really hard to hire even at minimum wage these days".

Pay market wages, without external forces driving wages higher. Because, higher wages means higher costs, and if you are government that's essentially theft from your taxpayers.
Trump's plans to prevent California from receiving disaster relief are only the beginning; the Republicans will spend the next four kneecapping blue states while trying to move the country towards Gilead. I'd favor secession if I lived in California; they're the 5th largest economy in the world and can definitely survive independently.
I have 6 AWS certifications. Certifications have always been easy to memorize enough to pass a multiple choice test and no one who hires thinks because you have a certification means you are competent.

Also I have been working for almost 30 years. My first “specialty” was writing C and Fortran for mainframes. Being in tech is all about pivoting
>occasional attempts by certain (specific) Linux kernel developer

Can we please refer to them by the actual name?
It's a really smart idea to try to leverage the inherent scalability of semiconductor photonics. I think the use of a linear optical resonator to amplify a weak optical nonlinearity is quite genius, and something the relatively small nonlinear photonics community has been trying to do forever. That they showed this kind of 'all-optical-ish' nonlinearity on a relatively mature process in a foundry is nothing to scoff at, and likely one of the biggest results in semiconductor photonics in a while. At the single device level I think it makes so much sense, but what concerns me in general is how well this scales from a few perspectives:

1. resonators and device-to-device variance: in general it's pretty hard to get these resonant effects to line up with each other from a production POV, especially with large arrays. Silicon photonics has come far, but I don't think it has approached the level of uniformity as electronics. They have demonstrated some level of electro-optic tunability, which is the traditional solution, but they still need to leverage that for their nonlinear effects too.

2. area and space: the 'minimum' trace size of these planar photonics circuits is still quite large (~200 nm minimum feature size typically for these waveguides). This is essentially due to a minimum size needed to confine light within a waveguide which depends generally on the waveguide's refractive index and target wavelength. These are currently all integrated on a planar manner, so each channel becomes quite large, especially if now you also need a relatively large ring resonator, which in this case is at least ~100 micrometers or so in diameter

3. the combination of 1 and 2: high device-to-device variation, along with a large planar footprint means that these things are quite expensive and difficult to manufacture, without some kind of miniaturization benefit that you would typically get with electronics (at least not yet). This effect appears to be more than the sum of 1 + 2.
As someone who (almost!) has a PhD in mathematics I'm going to have to call you out on this point. You are thinking like an engineer and talking about precision, but this is mathematics, not engineering. We make no distinction between the "real" number 3, the "complex" number 3, and the "whole" number 3. The number 3 lives in each of these universes as the same object (so to speak) because these sets (whole, real, complex) numbers are included in one another. Writing 3.0 is a representation for 3 just as 2.9999... is a representation of 3. Perhaps the bigger question we should be asking here is what was the purpose of all of this discussion? I've seen such petty treatment by teachers all the time and it always discouraged me from pursuing math until I met professors in university who actually tried to teach us something interesting and beautiful about math. This question could have led in that direction actually with a discussion of different kinds of numbers but unfortunately many math teachers in the US are not capable of this, or are too discouraged by the other craziness in schools to have the energy for such conversations.
We might have only given it a name 200 years ago. It was the default state for all of human history, and still is in the animal kingdom.

A population of people of shared blood and history sharing a homeland in pursuit of common values and ambitions, violently defending it from foreigners whenever necessary.

Not a soulless economic zone where foreigners are treated like royalty by traitors and treasonous authorities.
Yeah, that's fair. I guess I'm ok with raised prices in the short-term if it brings more stability and better working conditions + environmental management in the long-term.
California withdraws clean truck EPA waiver request ahead of Trump inauguration
In class though?
I will add we also watched Tori Spelling's reality show so maybe I paid my dues.
The original cron was programmed this way, but it has to examine every job every tick to check if it should run, which doesn't scale well. Instead, you predict when the next run for a job will be and insert that into an indexed schedule. Then each tick it checks the front of the schedule in ascending order of timestamps until the remaining jobs are in the future.

This is also a bad case in terms of queueing theory. Looking at Kingmans equation, the arrival variance is very high (a ton of jobs will run at 00:00 and much fewer at 00:01), and the service time also has pretty high variance. That combo will either require high queue delay variance, low utilization (i.e. over-provosioning), or a sophisticated auto-scaler that aggressively starts and stops instances to anticipate the schedule. Most of the time it's ok to let jobs queue since most use cases don't care if a daily or weekly job is 5 minutes late.
How do you re-index the directory, in case new files arrived?
Is it done on timer?
I don't think you want to start a format discussion on Hacker News. Seriously.
Greg Kroah-Hartman.
You are downvoted because what you say is unpopular, but nobody tried to refute what you say.

Despite what some people may think, options are not just for gambling, but some people - like farmers who have to plan for uncertain weather - use them for a real purpose. And of course the use of option in the financial sector for hedging is extremely important too. But it's easier to dismissively say that trading options is a "bullshit job" and go back to one's ivory tower.
That is a clever design, and yes, it's doing the same thing. If you have electronics assembly skills, why not? Sounds like fun.

There's no reason a simple compressor suitable for your purpose should have to be expensive; there just isn't much of a market for such a device.

If you're open to used gear, another good option would be an Alesis Nanocompressor - available in the $70-$90 range:
https://www.ebay.com/sch/i.html?_nkw=alesis+nanocompressor&_...
If you're micro-stepping a stepper then you're applying different currents to the coils. You can also microstep/openloop a BLDC just like a stepper and you can run a stepper with a closed loop controller just like it's bigger BLDC cousin.

Steppers had a niche in situations where you want to take discrete/accurate steps with very little control circuitry, e.g. printers, disk drivers etc. they're much simpler to work with vs. a closed loop bldc system, require no tuning, less software, etc.
Ask HN: Unexpected behaviour of windows file explorer after new update
I got unexpected behaviour after updating my windows 11 home. the "see more" dropdown menu it is not "drop to down" instead is "drop to up".
You might be interested in HippoRAG [1] which takes a graph-based approach similar to what you’re suggesting here.

[1]: https://arxiv.org/abs/2405.14831
I still see them on some old buildings with thick stone or brick exteriors like town halls and post offices.
Looking at this, I am pretty sure I also received a "libx264" clause. Removing it made the command work for me.
Anyone using todbot blink(1)? Also a fun USB RGB.

https://blink1.thingm.com/
>90% of drivers consider themselves above average,

They're probably right because the average includes a lot of people who chronically create carnage like drunks, teenagers and that old woman everyone has in their extended family who swears she's a good because she managed to not be found responsible for the dozen accidents she's been in.

Now, if 90% of people said they were better than median that would be concerning.
What do you mean by modern cinematic fiction?
> Where we struggle is maintaining attention on things that don't interest us for long enough to meet employer or school expectations.

Yes, this is something I deal with as well.

It's interesting because as a kid I got diagnosed with ADD, and my sibling who was more physically hyperactive got diagnosed with ADHD. My parents thought, and thus I did also for a long time that the 'h' difference was due to his physical energy, but it seems unrelated.

I've wondered if I am on the spectrum also but I don't match a lot of the base/core traits, although I feel ADHD or ADD alone doesn't explain some of my, ahem, quirks either.

I want to again stress there was no malice behind my question, just interest in trying to relate through my own experiences. Thank you again for answering.
Google will begin tracking your devices Feb 2025 Everything you need to know
As someone who once heard, in 11th grade pre-calculus, that pi is a rational number equal to 22/7, I cannot be so surprised that many parents would choose to homeschool their children. Most parents have no idea what is going on in their childrens' schools.
Try talking about history, philosophy, literature, religion, sociology, or physics while driving. Audio books exist, after all.
Elon Musk given office in White House complex
SK looked like they were skating on the edge too. But as an American, yes.
I had this problem in my recent search, very similar situation (early-stage startup, then founded two companies).

What yielded success was shooting for "Full-Stack Engineer" and "Product Engineer" roles

Surprisingly, while startups were particularly excited, a lot of bigger tech companies were too

But while shooting for "Product Manager" or "Backend Developer" or even "Front-end Developer" I got nothing, it was the "Full-stack" keyword that got me tons of interviews
Now everyone could get the minority in the wrong neighborhood treatment.
The bimbofication of society unironically has bad consequences for us all. I believe excess gym makes you less nerdy and more reactive, despite studies saying it 'makes you smarter'.
Not yet. I try to remind myself whenever I see a homeless person that I could be in their shoes easily with just a few badly timed unfortunate events.
Rumor has it some libraries have added makerspaces
Amateur radio has always self-policed to a large extent. Mostly to keep the FCC off their backs, and I'm sure the internet has made it worse, but it's always been there.
But was it fixed after the driver reinstall?
Every single president has been impeached or committed suicide.
A glorified reminder? Really?
Strider bikes. And yes, they are amazing. Ours was 2.5 and she insisted she was ready for a big kid bike. Was peddling that afternoon although couldn’t start alone yet.

Training wheels should be mocked off the market.
I think Zuck was always against any scrutiny. After Cambridge Analytica scandal he was forced to provide access to researchers. But as the stock price went up he started unwinding. Now with Trump in power he is simply reverting to what he wanted FB to be all along.

Facebook was complicit in Rohingya genocide in Myanmar and I think it will get repeated in many other countries. For all its problems X is still not as widely used as Facebook worldwide.
There’s nothing in the analogy which says no tests were run. You have to be arguing in really bad faith to come up with that one.
For an EV, and it almost certainly would be, software updates would still be required sometimes, I expect. Let me download to a thumb drive and update from there.
Unfortunately this doesn't mean much for the practical problem, because most of that uptake is is dumped into the atmosphere again when the plant dies and rots.

It's like we've got a bathtub where the water level is rising, because we won't turn off the tap and the drain is only so big. We can lower the apparent water-level by throwing in a bunch of plant-sponges, but we can't just keep adding more indefinitely.
Fixing my sleep schedule is a still a WIP but some things that have helped so far:
- an app/site blocker on all devices with scheduling that is non-trivial to bypass (I block literally everything including my IDE so I don't get sucked into a side project instead of sleeping)
- placing my phone/charger in another room
- refraining from caffeine 6 hrs before bed and screens 1 hr before
- black out blinds and electrical tape over any lights

But like others have mentioned, your work schedule makes this problem particularly tough.
Subaru is going back and forth between vision-only and radar assisted, and also going through suppliers and project structures for EyeSight-branded systems. Current camera unit is supplied by Veoneer in Sweden, slightly older ones were outsourced to Hitachi Astemo, before that were mostly internal R&D and so on.

Current latest gen Subaru has a forward radar.
Meanwhile they still charge 25% more than Amazon for the same products, ship everything in the same size box with zero fill/packaging, and my order has been idle for 8 days...
Rsync vulnerabilities
Safe for the company coffers, not for the public or the customer.
Is he going to start wearing cowboy hats and buying up land in Texas now ?
I would argue the crypto bros are worse
you're welcome to use/snag any of it you like :) planning to keep that repo growing, so if you think of good synergies for us, I'd love to keep making useful stuff!
> the most widely deployed database engine in the galaxy.

The planet perhaps. We don't really know at the galaxy level. At best we're atleast 200k years away from knowing for sure :)

/nitpick