skysight-inc/HackerNews huggingface dataset:
I've been advocating for this for 12 years, now. I figured it out by accident after watching my 2-year-old niece on a "balance bike" and was like "duh, no pedals!"

My 3-year-old and 5-year-old learned in one day and the "pedals off" part took 30-minutes to an hour (more for my youngest). For the first few years, every time someone would pass my 3-4 year old riding a two-wheeler without training wheels they'd stare in amazement and ask me how I taught her to do that. I'd explain "training wheels until they can pedal/steer, then pedals off for an hour until they're balancing, back on with a 'hold the seat and let go' and that's it". A couple of weeks later, I'd see that same child rolling down the sidewalk without training wheels. I taught every one of my nieces/nephews using the same technique. I've yet to find someone it doesn't work on.

Neither of my kids fell the first time. Both of them understood I'd be letting go on that "saddle holding/running part" at some point without telling them when. I just warned them "if you see I'm not there, DON'T PANIC(tm), because you've already been riding on your own for a while by then!" Every single kid had the same thing happen ... they'd see I'm a house behind them catching my breath, they'd get a look of terror in their eyes, the bike would "dip" a little and they'd catch it, then the look would change to a ridiculous grin as they realized "I did it!"

It was one of the best experiences as a Dad and I'll admit I choked up with each of my children when they nailed it, especially my autistic son who has a really hard time with anxiety/fear related to learning skills that might involve getting injured in the process.
Angstroms aren’t imperial, but they are non-SI, so if we want to be petty they’d probably be the way to go.
Drawing attention to the stupidity and agenda-driven approach of the USG by causing pain to millions of users, is my guess.
My assumption is that this is being recommended for a situation where Russia might hack the banking system, and the Dutch probably expect they'd be able to get the banks/ATMs working again within a week.
Nikita Bier's growth hacks were hidden in plain sight
App Clips and Live Activities have been underutilized for years, but Nikita managed to use them to create a genius onboarding flow.

This is going to be a standard for mobile apps now. I'm wondering what other growth hacks could be hiding inside of iOS that just haven't been utilized well yet.

SharePlay? Siri Shortcuts? Gamified passes in Apple Wallet? Probably going to lock in and spend a few weeks diving into every corner of iOS.
The options available to that intelligence chief in your scenario are probably bad for China, but are they any worse for those citizens than what China's own government could do to those citizens?

I kinda get why the US is banning tiktok, I don't get why you'd expect most of tiktok's users to care about those reasons.
Symbol Resolution MatRs: Make It Fast and Observable with Stable Linking
The "it's" to which that sentence is referring is the previously mentioned "xiaohongshu, or "little red book"".
Cool, great, fun. I have all of the “generative AI” features disabled in Workspace, and now I get to pay more for the privilege of keeping them disabled. Thanks, Google!
Ask HN: Are LeetCode interviews appropriate for senior/staff scientists?
I'm a staff computer vision researcher and ML/AI scientist with 20+ years of experience in XXX research & development. I've developed real-time CUDA/C++ systems for YYY that achieved 100x speed increases, architected large-scale ML infrastructure, and led teams in developing production computer vision systems. My work has been published with 350+ citations.

Recently, I've been interviewing and consistently encounter LeetCode-style technical assessments. While I understand the need to evaluate technical skills, I find this approach problematic for several reasons:

1. These exercises rarely reflect the actual work. In my experience, real engineering challenges involve system architecture, ML pipeline design, and performance optimization – not inverting binary trees.

2. In my leadership roles across research labs and industry, I've observed that engineers who excel at LeetCode-style problems don't necessarily perform well when faced with complex, real-world challenges that require thinking about system-level implications.

3. These interviews leave little room to discuss what I believe are more relevant topics: ML architecture decisions, HPC optimization strategies, deployment considerations, and how my experience building production systems aligns with the company's technical challenges.

4. I find these exercises painfully boring compared to my day job, where I work on fascinating problems in computer vision, deep learning, and high-performance computing. Spending hours on contrived puzzles feels pointless when I could be demonstrating my ability to solve real engineering challenges through system design discussions or code reviews of actual production systems.

I'm curious about the HN community's thoughts:
- For those in hiring positions: How do you evaluate senior/staff level candidates with extensive research and development experience?
- For other experienced engineers: How do you handle these situations? Have you found companies that take different approaches?
- Has anyone successfully implemented alternative evaluation methods that better assess real-world engineering capabilities?

My goal isn't to dismiss algorithmic knowledge – I've spent years optimizing complex systems and developing novel algorithms. Rather, I question whether LeetCode exercises are the most effective way to evaluate experienced engineers who have demonstrated their abilities through years of shipped code, peer-reviewed research, and complex production systems.
Analyze your Ruby scripts with prism
I think the article just got a bit muddled.
> we would be talking about banning Facebook and X for manipulating Americans vote

in fact, there is alot of talk about this. wasn't that the main reason Musk bought Twitter?
And now the funny part: even after they failed to prove there's a crime, the Swiss police still often refuses to release the money.
They did, largely what China did is make any companies that want to do business in China partner with a local company. From there what happened in many cases is the foreign company had their IP stolen and then shut out of the market.

China doesn't want western companies operating in China, they want western IP owned by Chinese companies operating there. That's why so many companies have pulled out of that market.
The principal always told me "just walk away" and I said, "You fool, the bullies have legs".

The key thing that enables bullying is your being confined in a space with them. Bullying can leave scars that last a lifetime that will affect your employment, your relationships, your children, everything. Not least hearing complete crap from authorities primes you to distrust authorities unconditionally.
Why not compete with microsoft by not pushing AI? This allows costs to stay low while making customers happier.
Please stop advocating for censorship and authoritarianism.

This is the USA, we don’t do that here. (Except when we do, as in this terrible case, but it’s not what we are about.)

If you don’t like them, don’t use them. Don’t force other people to share your views and opinions. We like social media and choose every day to continue to use it.

App bans are simply state censorship, nothing more. It’s a real shame we don’t have methods of sideloading to bypass such idiocy on the part of the USG and the chokepoints at Apple and Google.

At least tiktok.com will still work.
From that point of view, the press and journalism should not exist.
Trust is never all or nothing. I trust Apple to an extent, but trust needs to be earned and maintained. I trust my mom, but if she suggested installing video cameras in my home for my "safety", or worse, she secretly installed video cameras in my home, then she would lose my trust.

Likewise, you need to trust your spouse or significant other, but if there are obvious signs of cheating, then you need to be suspicious.

An essential part of trust is not overstepping boundaries. In this case, I believe that Apple did overstep. If someone demands that you trust them blindly and unconditionally, that's actually a sign you shouldn't trust them.
Because what I was literally forced by the state to endure, is not child abuse.

Come one.
> propaganda

It's so amusing seeing the society that lionizes itself as the paragon of open society and can't stop boasting about the effectiveness of free-speech soft-power compared to sclerotic communist propaganda now having panics over short video apps.

Bush Sr. or Bill Clinton could never think that.

Well, maybe we will be on yeltsin-on-supermarket stage soon?
Build a Database in Four Months with Rust and 647 Open-Source Dependencies
Fidelity Investments Introduces Digital-First Stock Transfer Agent Solution
The moral panic is social media being the reason for the suicides going up, not the fact that suicides are going up in itself.
No offense, but the idea of having adult level social skills as a child is terrifying to me. Most of the people who I've encountered who describe themselves that way also talk about the burden of from a young age totally internalizing the idea of every interaction being a performance. Every interaction is a new opportunity to try and convince adults that you are worldly and smarter than other kids. That tends to mess you up. Of course, this is purely anecdotal.
Xenon and Argon doping are officially banned by WADA. So while obviously you will get away with it if you aren't one of the top athletes on the planet, you will technically be cheating if you breathe Xenon then run in the San Francisco Marathon.
One weakness of this method is the storage of decomposed UV from W. My linear algebra is rusty, but it seems required if you want to scale in that U projected subspace, hence double your weight memory footprint (that has been said, U / V should be easier to quantize from information theory perspective). I also think MoE is more principled if you want to have experts activations. But I understand that Sakana's research focus mostly is about adapting existing pretrained models, not to do it from scratch.
The obvious play would be to incite those active users to take action by letting their congress critters know their opinions in an effort to have them reverse their vote
reels cannot seem to give me anything other than America’s funniest home videos style content and thirst traps, while on tiktok I get critical analysis of todays events, planet money-esque content, discussion of analytic philosophers i’m interested in, etc. it’s truly no contest.

Reels just wants to basically treat me as a generic male with some bias towards what my social graph likes. I also hate that my likes are public on reels.

e: not sure why this is downvoted, just trying to provide color to an earnest question
Want to have your mind blown? The creationist fallacy of "irreducible complexity" isn't just wrong for eyeballs and flagellum but for upward complexity as well. And lateral complexity.
Not that I think firing 5% makes any sense but unions are a far worse evil, had to walk past almost 20 people in a tiny train station pretending to be ticket inspectors when the gate for ticket checks is automated and within view of them all so it's a completely fake job but they can't fire them so they have them do this "job" till they retire on a excellent pension which to make matters worse along with their salary are negotiated via the threat of striking crippling the capitals transport network.

If 5% is every coworker is a competitor, unions are your coworker doesn't even have to deliver any value at all yet is treated the same as you.
Literally started doing that this week with Amazon Audible. I gave in an started the three month 99c trial and downloaded the app.

What surprised me a good way was my Kindle app was aware of this and asked if I wanted to download the audible version of the current book I am reading.

Been listening on the way to work and then reading on the way back. Enjoying it so far.
Yes, and? Parenting is an active job. It can be done. Take a lesson from Steve Jobs and say "no" a lot.
I pay for 3 Workspace orgs, and I have Gemini disabled (or still not enabled) on all 3 of them. I'm angry that I'll have to pay more for features I don't use. Gemini should be an add-on cost, not included in the base cost

If they're raising the price of personal GMail, I don't have a problem. But Workspace with hundreds of users, now that's a problem, because it actually hurts my wallet significantly. When this increase comes, I'll have to move elsewhere.
The "they didn't hassle me or even notice this time" theory of non-illegality.
Can you link to some evidence of any of those claims? US politicians' statements do not count as evidence.
It's not necessarily about being fired or not; it's about being fired for cause or not.

Even in at-will states, you typically need to be fired without cause to be eligible for unemployment benefits. If you quit because you don't want to return to office or are fired for refusing to return to office, you get nothing; if they fire you for not returning to office when your contract says you are allowed to WFH, you remain eligible for unemployment and perhaps severance.
There's a weird attitude on this site towards AI: if it's for coding or science, people generally recognize AI tooling as effective, although imperfect, and rapidly improving.

But any suggestion of using AI for business and it seems like disdain and dismissal is the majority response.

Don't you think many areas of business - maybe not all areas, but a significant amount - will just as much benefit from AI tooling as software developers and scientists?
Oh god please no. Chrome's history/bookmarks UI is awful.
I don't really want to watch a video, but do you have a write up somewhere?
The last rebuttal I've read (I think from the books that kill podcast) basically dismissed Haidts claims by saying that the increase in anxiety related disorders was due to increased self reporting. And the podcast seems to have ignored the graph on the next page in Haidts book, which showed a correlated increase in emergency room admissions due to anxiety related disorders.
Yeah, I used to take our daughter to nursery on her balance bike. I could tell when she started doing little bursts of speed so that she could put her feet up and coast for a while that she had picked up the essentials of balancing.

She did have a bike with stabilisers but she didn't use it much like that as she didn't enjoy it. Between getting "high sided" on bumps and the feeling of falling over before the wheels took the weight.

When her first friend started riding properly she asked me to teach her to ride without stabilisers. I bought one of the push bars from Amazon which was a confidence booster for both of us as I could run behind her and make sure she was safe. It only took 5 minutes before she was riding off on her own. Sadly she got a bit over confident and had a bit of a spill which gave her a bleeding lip which set her back a couple of weeks but the next time she was off without assistance almost immediately.

A few months later she was cycling 10km around the Ile d'oleron in France!
When he provides sources, then it's the first one, otherwise the second.
I distinctly remember when the chronological timeline was done away with, people were extremely pissed.
Won't someone think of the Children!!!?

Social media is just the demon of the day. In the 80s it was that damn rock music ruining our kids and in the 90s it was violent video games and rap.

Every generation has their "this thing is corrupting the youth" moment.
Norepinephrine-mediated slow vasomotion drives glymphatic clearance during sleep
key findings:

they discovered the brain's waste removal during NREM sleep (the glymphatic system) is driven by rhythmic norepinephrine pulses controlling coordinated blood vessel movements.

*Zolpidem (Ambien) suppresses this cleaning process by interfering with norepinephrine pulses*

This has implications for Alzheimer's and dementia.
it absolutely is, i routinely do a vanilla algo run on reels vs tiktok to compare and it’s crazy how much better it is.

reels is really, really bad - it is surprisingly hard to get it to stop showing you some combination of “funny prank videos” and onlyfans funnel content.
Google already spent a lot of money on Gemini and now they have to justify it or the shareholders will get mad.
how would this actually work? iOS is so dominant among US teens it's crazy, and the ability to sideload on that platform is nonexistent even to very technically savvy users.
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For more details, take a look here: https://www.ideogram.ai/careers?utm_source=hacker-news
Isn't that always the case with bundles and suites? Google Workspace has always been a bundle of products, and few actually used every product in the bundle.
This is honestly kind of shocking. Do you just avoid looking up any kind of political video?
> We've now taught both of our kids to bike by starting with a balance bike, and the comparison with their friends who learned with training wheels was amazing

There is actually a third way. Learn to ride a bike the correct way first time. It is not that hard, I got it in a few minutes when I was a kid.

The thing is it can't be easy if you have used trainer wheels before because trainer wheels teach you stuff you have to unlearn first.

Note: I am not arguing about the merit of the balance bike. A balance bike is indeed faster for a small 2-3y old kid than a bike is at that age anyway. But most of the benefits of a balance bike is less to teach balance than to put the idea of trainer wheels away from parents.
I have recently been reading up on Apollo program, and more on the logistical and bureaucratic side. I am convinced the technical achievements have peaked around that time. Apollo was mind boggling complex, and at the time unknown territory. But one of the few reasons it worked was the work culture - pride of what you were doing and being well compensated - and new growing organization free of political appointees and middle-management corporate freeloaders.

NASA in those days was razor sharp (not to downplay current achievements of NASA)

There are few reasons spaceX will not reach moon, and mars is even more laughable.
Starship prime and only reason is to make starlink financially viable. Its a cargo-bus to LEO. Musk is using taxpayers money under false pretense of going to the moon.
Wow, thank you for sharing such a detailed and honest career journey! I really resonate with what you're saying about shifting focus to becoming an expert rather than trying to stay sharp in everything. The pressure to 'know it all' can be overwhelming, but as you've shown, doubling down in one area can actually open new doors and create opportunities.

I'm on the fence about the certification learning approach you mentioned - not sure if it would work the same way for me, but it's interesting to hear how you used it.

Your point about building financial runway is incredibly helpful - definitely something I'll keep in mind when planning long-term career moves.

Thanks again for sharing your insights and perspective!
I mean, you're not wrong. I come to HN to see how awful the tech ghouls are being today.
> because TikTok is still massively profitable without US

Do we know that? In almost all cases for mobile apps, the US is far and away the largest and most profitable market for any business. I'd also be surprised if the TikTok shop for example is profitable (or available?) outside the US.
Does this mean that you will see entirely made in the USA Macs?
I don't think people are getting "destroyed", they are just bored and want to find something else, but there are factors keeping them in the same place. Interviewing is hard, they may have a lot of stock vesting, the economy is bad, or their life situation makes it inconvenient, etc.
If import-from-derivation is enabled

I have never looked at the implementation of IFD, but I assume that the evaluation and instantiation are still separated (and Nix will do multiple passes).

Even then functions like "readFile" are considered to be pure in nix, but not in haskell.

I am pretty sure that, unless you use --impure, all files that are read are required to be in the store. Since the store is read-only, it does not break purity.

At any rate, I agree that there will be some hoops to jump through. But I think it would be possible to make a Haskell DSL to define derivations similar to Nix. But I don't know why one would want to.
I’m losing family members to conspiracy theory YouTube channels.

The crackpots had a greater barrier to transmit back in the day. They had to get an FCC license or know someone with a radio station. Even then reach was limited unless you could reach a deal to transmit nationwide.

I personally believe our brains are primed on some level to buy into this stuff. It’s very hard to overcome.
I dream of the day we give ourselves a decentralized protocol that, while providing an opt-in way of following current events, offers us an extreme breadth of content without being a hypercapitalistic, attention-grabbing nightmare that tries to get us to compulsively consume absolute junk constantly, at the cost of everything else. In the meantime, looks like Sunday is gonna be a fun day.
It's also worth noting that TikTok has the "TikTok Shop" that allows people to sell directly through the app. Perhaps this allows them to rely less heavily on advertising. I certainly see virtually zero ads on the app. Ideally this is because they've identified that I'm a terrible person to sell ads to, but perhaps they're just less aggressive about pushing them.

> Prime gives you a handful of various ads of real products/companies and have done in my opinion a smart job of minimizing the consumers negativity toward it.

Sure, I just stopped using prime when they introduced ads. It's also the number one complaint about the service and it regularly shows up any time the service is mentioned. I also can't remember a single ad played that was actually relevant to me.

Curiously, I hear this less about Hulu despite them being equivalently bad in my experience. Perhaps hulu has better content.
Nah, it is more like parents telling their children to eat healthy, while they themself go to McDonalds.

Most parents are addicted to smartphone and don't go with their children outside. I would start the investigation into root causes right there.
For example, here's the Wikipedia article: https://en.wikipedia.org/wiki/Gaza_genocide