skysight-inc/HackerNews huggingface dataset:
Show HN: I made an app for very cheap STEM tutoring, YouTube Q&A style
I made an app for extremely cheap STEM tutoring
Outreach
I struggled a lot in my STEM classes as an undergrad, despite going to Office Hours, lining up, signing up for campus tutoring etc. On the other hand, there are so many great Youtubers who explain things really wells; you often see comments "you explained it better in 5 minutes than my professor in 10 weeks".

Now that I graduated, I made an app where you can directly ask Youtube teacher questions - the ones that explain things really clearly & simply - and get blackboard videos as replies.

The fact it's not a traditional 1-on-1 format, but a Youtube Q&A format, means you can still get your particular questions answered, and it's MUCH cheaper because of cost-sharing: e.g. $10/month.

I already made a prototype.

If this is relevant to you:

1. For those who are struggling in a class, I'd love to hear your thoughts on your biggest pain points - would you be willing to tell me by a) replying to this thread b) DM me c) via a 15 min. Zoom call?

2. If you want to try it now, email me elton@alum.mit.edu and we can schedule a call to get setup. I already convinced private tutors (who were open-minded to try this cost-sharing format) Esther (her example youtube here) to teach physics e.g. electromagnetism, and Ben (his example youtube here) to teach math e.g. calculus, statistics, linear algebra.
yarrr pirates stole. clicky clacky pirates pirate
I remember when people used to put their toll passes in Faraday bags when not in use to keep from being tracked.

Seems pretty quaint now.
I did this to land some larger B2B clients, sadly facebook doesn't support this detailed targeting anymore.
Primitive Obsession – A Code Smell That Hurts People the Most
Are the unsanctioned cameras technically litter? Asking for a friend.
You are definitely right, this is a risky business: https://www.aljazeera.com/news/2023/4/21/qa-chilling-journal...

Still, I wonder if there is a structure which resolves liability.
Revoy electric trailer rolls into Trucking with Clean Fuels Conference
I will agree it's slightly weird. But it seems to me it's less that it "fails", more that there's heuristics at play other than "speed up loop". Perhaps on other loops it's more reasonable and makes a bigger difference.
has nvidia worked on the architecture behind the tegra in the last few years? i'm not certain that's possible tbh
Comments Are Code
The biggest difference (as I understand it), is that in classical roguelikes, nothing persisted from run to run. In modern ones, you build your character up over a sequence of runs, so that in later games you're more powerful and can go further. But in classic roguelikes, every run is like the first. So a player's knowledge is the only thing that does keep—they learn the game better, learn the systems better, and progress further because of that. Not because of anything they unlocked in-game over a series of runs.
'we are committed.' NEOM's new video shows progress of "THE LINE"
The draw of Gemini was always that it was a New York-regulated crypto exchange that presented as similar to traditional exchanges.

For institutional traders, they even provide a standard FIX API over cross-connect in the NY5 data center in New Jersey. This is something that institutions understand how to connect to and work with.

(In contrast, most crypto exchanges have/had highly bespoke systems of questionable quality)

https://docs.gemini.com/fix-marketdata/

So the Gemini Earn thing has always confused me. If your entire shtick is legitimacy and being subject to competent regulation, then why would you release a product like that?

I guess I’ll have to attribute it to the reality-distortion field of the crypto hype. They must have actually believed that either 1) the product was sound or 2) they would avoid the fallout when it exploded.
>Less impact than a coal plant for the same amount of power capacity

For the same amount of "power capacity", you are talking about covering an area multiple times bigger in PV panels. The health impact is reduced to zero, but the environmental impact is ball-parks bigger making it a non-zero trade-off.
Temu's ultra-cheap online shopping model losing steam
I dunno. But people really like their credit card bonuses, even those things come from credit card interchange fees, which in turn come from raising the prices on goods.
What you call AGI now is what I used to call AI and ML was just ML and statistics to me. But now AI can be everything from hidden markov chains to the computer player in a game as long as it makes a decision or prediction in some kind of of process, no matter how dumb. I gave up arguing about it long ago.
i don't actually know. however, the same considerations would suggest that methane clathrates in water are impossible, which turns out not to be true. methane freezes at 90 kelvin, so if there's a eutectic, it would be lower than that.
Typo. First sentence should read: "ASD does not justify harsher sentences."
BYD cuts price by 20K across the board
A green wall to promote peace and restore nature in Africa's Sahel region
> We should do solar, wind, and nuclear; in the meantime we can replace a lot of coal and oil with the much cleaner natural gas.

Agree on using nat-gas as a bridge to take down coal (especially as peaker plants to cover for low-wind+low-solar conditions) - oil plants are rare anyway and mostly are used as emergency units or to provide district heating.

Hard disagree on nuclear though. All major projects for central power plants have massively ran over time and financial budgets - a NPP needs >>20 years of planning and construction, and an additional 20-30 years of decomission/teardown (more if it ends up fucked over like Fukushima or Chernobyl). So, even if we start new projects now, they're politically untenable outside of the US and Australia who have enough place to just dump NPPs hours away from civilization, and by the time they're done we will either have working nuclear fusion or geothermal+chemical storage of renewable power generated during daytime. Decentralized/small modular NPPs are a complete dream at the moment, there hasn't been even a technology demonstrator yet that shows that it is possible to contain high temperature molten salts.

> But a little bit of spicy rocks give off such a ridiculous bounty of 24/7 energy that it's just a no-brainer.

The discard from mining said spicy rocks is another very problematic issue. While Canada and Australia at least pay lip service to regulations, that cannot be said at all about countries like Kazakhstan [1], Uzbekistan [2], Russia [3] or even Eastern Germany [4]. Reprocessing fuel has also been fraught with contamination issues like in Sellafield [5] or La Hague [6].

The sooner we get rid of nuclear power, the better.

[1] https://climate.mit.edu/ask-mit/what-are-health-and-environm...

[2] https://world-nuclear-news.org/Articles/Clean-up-work-begins...

[3] https://www.rferl.org/a/1081934.html

[4] https://www.deutschlandfunkkultur.de/uran-erzgebirge-kosten-...

[5] https://www.theguardian.com/business/2023/dec/05/sellafield-...

[6] https://www.ucl.ac.uk/institute-of-advanced-studies/publicat...
> No. It's all C code in the stacktrace. And kernel devs still don't have to deal with Rust, if they don't want to.

Thank you for the answer. I was wondering since the conversion to Rust is a large undertaking & rewrites can have surprises. Part of the question was if this was an argument to use Rust since NULL pointers are something that Rust goes through great lengths to guard against.

And wow...my original post got flagged? It was a sincere question that I was curious about & didn't have an answer for. Either everyone needs to chill...or is mentioning NULL pointer references in the Linux Kernel some sort of unspoken mortal sin or was I somehow offensive? Please, someone let me know if I'm out of line cause I just see zealotry of some type that I cannot begin to imagine. I want to avoid such land mines in the future...for the love of all that is holy.
what kind of tools do you think the strip intended to refer to? i gave ten examples, you can hopefully give at least three or four
Computers I've Known and Loved
I found this wonderful page while searching for pics of a SPARCstation SLC
Loss causation is described here [1] as the major factor influencing the sentencing range, so if all investors are made whole then a modest sentencing could be possible. It was also discussed in a recent Matt Levine newsletter.

[1] https://digitalcommons.du.edu/cgi/viewcontent.cgi?article=10...
if TFA is about urban overheating, and if Miyawaki forests offset the problem then they should be supported as they address the problem. If they don't help damaged and marginalised species as much as connected scale forests, we need to know that but it doesn't mean we should not have Miyawaki forests.
>the masses are dumber than they’ve ever been.

I don't believe that for a second, but what I do believe is that 'the masses' have never been so re-broadcast, nor had such a large loud-speaker.
Have been looking forward to this release for quite a while! Huge props to the Cloudflare team for putting this out there!

I've been operating a cluster of NGINX nodes on Fly.io and using njs (NGINX's custom JS scripting engine) for all of my custom routing logic, and have been really feeling the limitations (had to spin up a separate companion app in nodejs to work around some of these). Having access to the entirety of the Rust language and ecosystem to customize routing behavior sounds incredibly compelling!

I did a quick scan over the codebase and couldn't see anything around disk caching like in NGINX, only memory caching. Curious if Cloudflare is operating all their production nodes with memory caching as opposed to disk caching at the moment?

I'd love to see an option for disk caching for use cases that are a bit more cost sensitive.
well, i haven't looked at gcc's guts, but how would not strength-reducing pointer arithmetic ever make your loops smaller? or, what other kinds of heuristics are you thinking might be in play, that happen to have that effect here? my guess is that it's not intentional behavior at that level
Don't let this distract you from the the fact that in 1966, Al Bundy scored four touchdowns in a single game while playing for the Polk High School Panthers in the 1966 city championship game versus Andrew Johnson High School, including the game-winning touchdown in the final seconds against his old nemesis, "Spare Tire" Dixon.
I never liked the original SQL syntax, it's weird. It's one of the few places where I think using s-exprs would've made more sense.
As Gelsinger himself said in an interview

> So all of a sudden, as Warren Buffet says, “You don’t know who’s swimming naked until the tide goes out.” When the tide went out with the process technology, and hey, we were swimming naked, our designs were not competitive. So all of a sudden we realized, “Huh, the rising tide ain’t saving us. We don’t have leadership architecture anymore.” And you saw the exposure.
No. An animal is unpredictable and can still kick.
Why? Just because it's spelled identical to a human body part?

This kind of shit is one of the most bizarre things about human society (or the prude cultures of it at least), to consider the most natural things so taboo and a "joke" to mention.
In English it's rats

https://www.merriam-webster.com/wordplay/like-rats-fleeing-a...
Minimal Phone crowdfunding campaing is on
QWERTY keyboard and e-ink is nice. Android it is. Campaign owner says no bloatware, any preinstalled app can be removed, any apk can be flashed.

North American and International versions available.

MTK 6769; 4GB RAM; 128GB ROM; Android 13; 3.5” E-Ink Touch; 8MP + 16MP; WIFI; BT; GPS.
> adding a layer on top of SQL is necessarily less efficient

It's not if it's compile time
Demoted, Deleted, and Denied: There's More Than Just Shadowbanning on Instagram
MySQL has supported CTEs since v8.0. Sadly, still no support for RETURNING though, which limits their usefulness, but it does in fact support CTEs now.
The startup keeping wind turbine blades out of landfills
https://archive.is/8MVcw
British Airways supervisor 'on the run in India' after running immigration scam
I wouldn't want that. They can't be held liable.
(1) is true, but Mathematica is also supported because it is paid. (2), (3), and (4) are very iffy stances. Open source projects also fail when leaders move on, and it's actually less likely for a company. (5) has nothing to do with open source, and Mathematica is extensible.

I ask because I always see open source thrown around as if it's some paragon of quality and productiveness. In reality, the actual usefulness of a product is fairly independent of its open source status. And rarely does it matter all that much to a project that a software component is open source or not.
Well, that's 2 bits, but still...

LLMs have gone from 32-bit floating point numbers down to 16 and 8 bit values. Now 2 bits. It's a hint as to how evolution did it. The basic component is simple and has very wide tolerances. There are just a lot of them. That's something biology can evolve.
Was this recent? I think they have mostly moved to eVisas now. That being said, what you described is a typical experience in a foreign country immigration lane. I am not saying it is right or wrong ( of course it is wrong!) but overall the uae is still ahead of many other countries when it comes to accessibility.
Tesla has got to be sweating buckets. In theory, electric cars should be less expensive than gas cars. There's less materials and effort put into them.

Competition between manufacturers will bring the cost down in time. We are starting to see that. Eventually, the profit will be very small. Even Tesla will have trouble unless they find a different profit source other than the profit from selling cars.
They are paying out dollarized claims, and the crypto prices they used to calculate the dollar value of claims were way lower than the crypto prices when they actually sold FTX's crypto holdings.

So if you had 1 BTC on ftx, your claim is for $16,871.63. The team responsible to managing the FTX bankruptcy sold at some higher price, and today BTC is trading at $61,766.40.

Understandably people are not thrilled about "being made whole" under these circumstances.
> The people in America who want to have children are routinely priced out of having children

Pretending that income and fertility are not negatively correlated is being willfully ignorant:

https://en.wikipedia.org/wiki/Income_and_fertility
Objectively better in what sense? There is an objective cost in the initial installation, yes.

Additionally, Mathematica is not really that expensive.
Am I a "Chess Tourist"?
They absolutely can. That is how apparent authority works.
universe 25 is interesting, but doesn't bode well:

https://www.victorpest.com/articles/what-humans-can-learn-fr...

> By Day 315, behavior disparities between males of high and low status became more pronounced. Those at the bottom of the pecking order found themselves spurned by females and withdrew from mating altogether...

> With male mice abandoning their traditional roles in Universe 25, the females were left to fend for their nests. Consequently, many females adopted more aggressive forms of behavior...
Memristors any moment now
I never understood what distinguishes Temu from AliExpress and how they're going to make a dent. Burning investors' money could've worked under zero interest rates, but not in this economy.
it's a neat product. I love keyboards, and I love e-ink; but I think 'minimal' is a misnomer.
They cite straight through estimators in the previous work with many of the same authors on (actual binary) BitNet
The airline in Canada was held liable for what it's support bot said...which I think is a great precedent, and would/should apply to banks too.
I'm a big fan of ctrl+f, but semantic search is a life saver that conventional search simply cannot compare to.
Very interesting idea. Seems like it's very early in the crowdfunding journey though. Mostly just ideas and a prototype at this stage, with some good partners.
Reading books about the formation of India as a nation, there is a theme about poor quality schools. Much blame then was on teachers that did not teach who blamed incapable students for poor outcomes. Seems the same charge as now - but not just India. The USA, UK and other western countries all seem to be saying the same thing. But teachers and their advocates push back that they are under resourced. In this article significant money is being invested but it appears to be to circumvent the teachers.

So how do we address this? Move beyond restating “the problem” and start helping children?
I predict Daniel Lemire will build the most efficient training and inferencing systems, close to theoretical performance limits.
This is kind of silly, though? Yes, if you do not need a full car, a bike may fit your needs. The bike is still not a better car, though.

You can try to broaden it to saying it is a better vehicle for you. And, sure, for a lot of folks the cost will be important there. As a CAS, though, Mathematica is tough to beat.
I don't get it. These examples are kinda uninspiring, generated SQL output being unnecessarily complicated doesn't help. I haven't used PRQL, but at least it's pretty obvious from examples, how it's nicer to use than SQL. But this one — yeah, examples on the left are "nicer" than convoluted output on the right, but if you write SQL normally, it's basically just a lot of "|" and table name in the beginning, instead of in the middle. So what's the point?
I got a cloudfare host error when I tried to click the link.
Give the guy a break, he had Parkinson's disease and was still willing to shoot a scene playing golf.

Curb is an incredibly good show that easily stands on its own without celebrity cameos (of which, there have been many). But absolutely, every time Richard Lewis was in a scene it was pure magic. Not only was he an incredible talent and overwhelmingly funny, but you could see and even feel the joy that Larry had when working and joking with his best friend.

Not that Curb was his only success, far from it, but he was just so, so good on that show.
Combined or each?
How can safety ever be first? If there's any amount of safety risk by doing a thing, then (if safety is truly first and overrides all other concerns) that thing should not be done. Nobody avoids all safety risk, so safety is trivially not first. No corporation has ever put the safety of its workers or customers above its own existence.

That doesn't mean they don't take measures to improve safety, just that it's not able to override all other concerns. It's ultimately up to the people who are put at risk to manage their own safety & decide which risks to take, that cannot be entirely delegated to the organizations putting one at risk! "Safety First" encourages dangerous complacency on the part of the people bearing the risk.
I also wrote a parser (in typescript) for postgres (https://github.com/ivank/potygen), and it turned out quite the educational experience - Learned _a lot_ about the intricacies of SQL, and how to build parsers in general.

Turned out in webdev there are a lot of instances where you actually want a parser - legacy places where they used to save things in plain text for example, and I started seeing the pattern everywhere.

Where I would have reached for some monstrosity of a regex to solve this, now I just whip out a recursive decent parser and call it a day, takes surprisingly small amount of code! (https://github.com/dmaevsky/rd-parse)
A HuggingFace Datasets Alternative
Good alternative to HuggingFace Datasets linked in this tweet. Today shows why we need more than one company in this space!
For example, why not allow the following expression as a legal statement:

tablename;

FYI, in Postgres you can write

TABLE tablename;
In a nutshell: bad metrics and perverse incentives for engineers. If the only metrics that would move from such a change are ad impressions (these are ads after all) then either nobody will make that change or somebody else will revert it to make Number Go Up again. The metrics that are missing can be as damaging as the ones that exist.
They train using Straight Through Estimator but is cited in the previous BitNet paper. What happen to the TrueNorth Chip? I think investing in specialized hardware for AI is a good bet.
FERC enforcement office seeks $27M from Ketchup Caddy for demand response fraud
Selective Forgetting Can Help AI Learn Better
And Julius Cesar in fact outsourced his duties! He hired some priests from Egypt to fix the calendar. And it didn't work right away, because the Egyptians told the Romans to add an extra day in the fourth year, but the Romans counted inclusively so they thought it was every three years.
> my brain defaults to looking for flaws in arguments rather than reasons to support them

May be due to how reasoning is a social activity humans evolved to save time and cognitive load via division of labor.

1. An individual's reasoning workload is reduced by forming a bias. The gaps left by this bias can be filled with others' reasoning. For example if Gail focuses on why a business idea is good and Bob focuses on why that same idea is bad, they reduced the total amount of reasoning required by 50%.
2. If strong reasons are always prepared for everything, effort is wasted when others are easy to convince. So people start with minimal effort, producing weak reasons (why the business idea is good or bad). Gail and Bob keep responding to each other's reasons with stronger reasons only until necessary. After reaching consensus further reasoning is not required.

Source: https://youtu.be/_ArVh3Cj9rw?t=969
Resend has me accumulate 98 pages of registration emails with delays
Resend has been really terrible lately. Last week, there was a complete system outage for over 12 hours, and about 36 hours ago, there was another large-scale delay. A user reported to me that they only received the registration code one day later.

I have now accumulated 98 pages of delays; when will you fix this? If it weren't for my inability to spare any energy recently, I would have replaced you guys already!
Money represents the time out of people's lives that they spent to earn that money. He didn't steal just money - people worked and sacrificed time out of their lives to earn that money.

We should continue to try and catch and give consequences to the people we can, else how many more people will join the ranks of those who already do pilfer.
I am a hunter in Canada, and in the province I'm in it's also illegal to hunt within 48 hours of flying in a plane in the same hunting zone. Sporting ethics is something important to consider; retrieving an animal is part of the hunting process and the lines between hunting and tracking a shot animal can blur (e.g. if someone were to spot another animal while attempting to retrieve their game or are hunting in a group where someone else has a tag).

I'm definitely pro-technology in general, but I think analogies from other sports such as rock climbing are useful, where nowadays the ideal is to lean towards cams, nuts, and other temporary removable gear that you bring with you instead of over-bolting areas or hammering in pitons everywhere. Or like how swimming restricts certain types of swimsuits that are deemed too efficient.

Just because a given technology is more efficient doesn't necessarily mean it will make the sport of hunting better. I think this sting was valid and until the laws change, drone operators should be held to the same standard as other pilots when it comes to hunting regulations.