MurphyA/hacker-news huggingface dataset:
by zmgsabst | 2025-12-29 02:42:14+00:00
You can helicopter shells and propellant onto the deck, then take them below for storage — as loading the guns from their magazines already happens.

VLS requires that you reload missile by missile at the place they’re fired from the top, which requires you have crane access to each VLS cell. You could replace the many non-reloadable tubes with fewer, reloadable tubes connected via loaders to magazines… but we’re starting down the path to re-inventing guns.
by tiberriver256 | 2025-12-29 02:44:45+00:00
So glad to hear research is being done in that area.

I'm a dad of two autistic boys who I think would be very different categories. I have friends whose child isn't really autistic, they have a much more rare and specific diagnosis but it's so rare it's hard to get supports so they got him diagnosed as autistic because that criteria is so broad almost anyone can qualify.

Thank you for your work!
by wakawaka28 | 2025-12-29 02:44:51+00:00
>I watched my late Gen-X and Elder Millenial seniors swoop up cheap houses post recession for cheap rates then flip and sell them and go remote in cheap locations.

This may be true but many just a few years earlier lost everything. The people who bought houses cheap were the ones who saved diligently just like you may be doing, who had money to take advantage of an opportunity. I was not one of these lucky ones but I can't fault people for making good financial decisions. If you want to be pissed at anyone, be pissed at the ones who bought houses they obviously couldn't afford, and the people behind the exorbitant loan issuances for overpriced houses. THAT is what we will ultimately suffer for. Not someone buying a house that they can afford at a time when everyone is desperate to get money.
by jibal | 2025-12-29 02:44:55+00:00
Fine, it's some other sort of stupid ignorant intellectually dishonest bigotry. (Most of the people who get attacked as boomers are actually in the generation before them.)

> Whether those complaints are right or wrong on a statistical level is a different issue.

Only because you have made it one. The word "ageist" was the least part of my comment (but there is in fact a strong ageist element to the pejorative use of the term, contrary to your mischaracterization of the realities of its use ... notably, the people who use it are younger, never older, and have not used it throughout time--they couldn't, as they weren't even born when boomers arrived on the scene and for decades afterwards).

I won't respond further.
by bigbadfeline | 2025-12-29 02:45:22+00:00
>> "brand dissolved" headlines > If you're seeing it in the media, of course it's confirmation bias.

It's a huge mistake to narrow down the problems of private equity firms (PEFs) to the dissolution of the companies they buy.

> Do you think it makes a good headline to say that a firm bought a company, grew it over 5 years, then sold it?

How is that different from what the video said? They buy all the hardware, grow the price of it by the mere fact of buying it up, hoard it, and then they sell it back to you at even higher prices as cloud services.

They make a profit but you are robbed. It's the strategy of scalping which has been going on in the GPU market for quite some time, but now it's used by corporations on an industrial scale.

The problem is precisely in the normal operation of PEFs, or rather, in the regulations that allow them to operate that way.
by lisbbb | 2025-12-29 02:46:26+00:00
Hey, fwiw, thank you for all of your hard work! Mockito and Powermock helped me be a big hero at one company I worked for 2011-2014. Before I arrived as a tech lead there, they had ZERO tests. The QA cycle was weeks, even months long. I instituted a whole new regime of unit and intergration testing for all the applications I was responsible for. Within one release cycle, the bug counts fell to nearly zero and the QA cycle basically became a verification step because there were no more bugs. The only way I was able to pull that off was using mocking and some clever powermock hacks because the code was otherwise untestable and thus un-refactorable. So, thanks!
by refurb | 2025-12-29 02:46:58+00:00
This article fundamentally misunderstands the role of a CEO.

The main job of CEOs is not decision making. 99% of company decisions are made below the level of CEO. For the ones that make it to CEO, the board tends to have final say.

It’s a leadership role where people interactions are the most important. The CEO sets the tone, gets people on the same page, and is the external face of the company.

It’s silly to think a robot can replace that.
by dmschulman | 2025-12-29 02:49:51+00:00
HN would probably hate it but I've been digging Panic World. They investigate mostly modern media or internet-driven moral panics and discuss how they've led us to our current moment. Lots of 90s/2000s internet deep dives, but I mostly appreciate how well the host connects the dots between cultural/political zeitgeist (of any recent era) with some seemingly minor niche movement or idea seeded years prior.

https://www.garbageday.email/panic-world
by ryandrake | 2025-12-29 02:50:31+00:00
I think OP's point is that if your life is so blessed that "90% of the news is unimportant to you" then that itself is a great, fortunate privilege.

For example, I can tell you that if you are an immigrant in the USA from one of the (now many) targeted countries, even one with legal residency, news about ICE's actions is very relevant and very important to you.
by ACow_Adonis | 2025-12-29 02:50:32+00:00
But going by the strict notion of DSM-V criteria of providing a hindrance, we hit the somewhat problematic definition whereby a person can have autism at one point in their life (when it hinders them in a context), moves into another point or context in their life (where it does not) and therefore they do not or would not meet the criteria for having autism if they sought a diagnosis at that point in time, and then move back into another point or context in their life where it hinders them and so now they meet the criteria and presumably have autism again.

Now, needless to say, this is not how anyone actually thinks about psychiatric or psychological issues in practice, especially with conditions such as autism, and just highlights the relative absurdity of some of the diagnostic metrics, practices and definitions.

What we tend to do is tie the diagnosis of autism to the individual identity and assume that it is a consistent category and applicative diagnosis that stays with a person over time because it is biological. We know, of course, that this is despite not having any working biological test for it, and diagnosing it via environmental and behavioural contexts. And don't even get me started on tying in diagnosis of aspergers/autistic individuals with broadly differing abilities and performance metrics on a range of metrics under the one condition such that the non-verbals and low-functioning side of neurotypicals get lumped in with the high iq and hyper-verbal high-functioning aspergers as having the same related condition even though neurotypicals are closer to the non-verbals and low-iqs on the same metrics and scores.

The entire field and classification system, along with the popular way of thinking about the condition is, if i might editorialise, an absolute mess.
by willparks | 2025-12-29 02:51:02+00:00
The company whose top seller is a device intended to go in your pocket and is fragile and slick as a bar of soap. So much so that there is an entire industry to build cases for it. Granted, the market has spoken and it's the best selling device of all time. But both the iphone design and Tesla's door handles demonstrate aesthetic over practicality.
by robocat | 2025-12-29 02:51:28+00:00
Rubbish: from first principles it is obvious that direction can be calculated. You are correct for phones, which have omnidirectional antennas that can't calculate direction (also built up areas with multipath would make direction finding difficult).

Marine navigation systems are the most familiar example. Many boat GPS units advertise “GPS compass” or “true heading at zero speed.” . The antennas contain two GNSS elements, fixed a known distance apart, and the direction is found using phase comparison: they look at the tiny difference in arrival time of the same satellite signal at the two separate antennas.

Either (a) don't answer if you don't know what you are talking about or better (b) double check your "facts" (using Google or AI) before answering.
by lisbbb | 2025-12-29 02:51:46+00:00
I liked Groovy, but Kotlin was the better successor. Scala was beyond ridiculous as far as learning curve--crazy language. I always thought Java sucked and I spent far too much time working with Java (because money) and having to deal with framework on top of framework as well as all those idiotic design patterns that seemed so important only for me to realize years later that it was all basically a waste because OOP itself is a waste. I was writing better code in Python and Go five years ago without needing those all-important design patterns (okay, a few still translate). I just didn't know it at the time how horrible the situation was in Java. In hindsight, everything about Java was someone's money grab that I was dealing with. Mockito did help me a lot through those times, but I wish I had never gone through them at all!
by neuralkoi | 2025-12-29 02:52:03+00:00
This exercise was part of a 3-day weekend team-building workshop which was part of a voluntary work thing.

This particular exercise was assigned as "homework" by the coaching staff: "You will give a hug to a minimum of 5 people who you don't know before returning to tomorrow's session (no children)".

I think the goal was to 1) Step outside your comfort zone 2) Learn to take rejection less personally 3) Learn something about trust

I did my "homework" by going to Chipotle (some people put up a sign at the hotel lobby with the text "free hugs") and asking the cash register attendant and people inside. I remember going to this older lady who seemed like she had just gotten off a looong shift. She looked up and gave me the warmest smile and said "oh this is excellent! Is this part of church or something?" I got the biggest hug ever and it felt amazing. I had a similar experience with the other four hugs.
by fc417fc802 | 2025-12-29 02:52:06+00:00
There's a difference between an unbiased (roughly speaking) pipeline and what (for example) JBIG2 did. The latter counts as "editing" and "fake" as far as I'm concerned. It may not be a crime but at least personally I think it's inherently dishonest to attempt to play such things off as "original".

And then there's all the nonsense BigTech enables out of the box today with automated AI touch ups. That definitely qualifies as fakery although the end result may be visually pleasing and some people might find it desirable.
by SockThief | 2025-12-29 02:53:04+00:00
> It seems that the unit with the unusual size of 160 cm had a lot of difficulty in the characteristic test.
At the Koriyama Test at the Koriyama Factory was carried out in the measurement room at first, but it was stopped because fluorescent lamps on the ceiling fell due to vibration. It seems that the characteristic test was carried out at the ground in the factory premises.

> The outdoor test seemed to have a negative impact on the neighborhood. At a distance of about 100m from the speaker, it was felt as sound, but at a distance of more than that, it was transmitted as vibration and earth rumbling instead of audible sound. Within a radius of 2 km from the factory, there were damages such as vibrations like earthquakes and earth rumbling, and sound of walls and windows.
by croon | 2025-12-29 02:53:36+00:00
Just because luck plays a part in everything does not make it moot.

Set up two identical agents in a game with rules guaranteeing a winner, and you will end up with one loser being equal to the winner.

I agree that CEO positions in aggregate are likely generally filled by people better at "CEOing", but there is nothing ruling out "losers" who were equally skilled or even better that just didn't make it due to luck or any of the innumerable factors playing into life.
by zhivota | 2025-12-29 02:54:43+00:00
Ignoring the obvious contradictory nature of the post (a trip to a place that is generally so expensive and time consuming that only the wealthy leisure class can access it yields polite people), what is the alternative to the fast news cycle?

I've been toying with different solutions over the years but haven't found anything great. Magazine subscription to something like the Economist? Weekly Sunday paper subscription?

How to keep up on the news without being jerked around by the engagement machine?
by tptacek | 2025-12-29 02:55:20+00:00
Sorry, no, I'm not going to pick this apart. You wrote:

Can you please explain how lacking access to source code, being ONLY able to perform dynamic analysis, rather than dynamic analysis AND source code analysis, can ever possibly lead to an increase in the maximum possible confidence in the behavior of a given binary?

This doesn't make sense, because not having source code doesn't limit you to dynamic analysis. I assumed, 2 comments back, you were just misunderstanding SOTA reversing; you got mad at me about that. But the thing you "never stated it wasn't" is right there in the comment history. Acknowledge that and help me understand where the gap was, or this isn't worth all the words you're spending on it.
by cperciva | 2025-12-29 02:55:39+00:00
That code is not guaranteed to work. Declaring memset_v as volatile means that the variable has to be read, but does not imply that the function must be called; the compiler is free to compile the function call as "tmp = memset_v; if (tmp != memset) tmp(...)" relying on its knowledge that in the likely case of equality the call can be optimized away.
by wpollock | 2025-12-29 02:55:39+00:00
> Someone changes code to check if the ResultSet is empty before further processing and a large number of your mock based tests break as the original test author will only have mocked enough of the class to support the current implementation.

So this change doesn't allow an empty result set, something that is no longer allowed by the new implementation but was allowed previously. Isn't that the sort of breaking change you want your regression tests to catch?
by SoleilAbsolu | 2025-12-29 02:56:14+00:00
This 1000%! Two of the most important relationships I've made (my wife, and a boss who hired me, and later became one of my dearest friends) arose when I decided to act completely differently in the moment than I habitually would. In my wife's case, this meant immediately introducing myself to a woman I found attractive, in the other when I faced a financial crunch and resolved to apply for better-paying work even if I wasn't totally qualified instead of losing hope and going on a bender.
I built a 200k-edge market knowledge graph to filter false dip-buy signals
by gano | 2025-12-29 02:56:52+00:00
I’ve been experimenting with a graph-based approach to a classic trading problem: why most dip-buying strategies can’t tell the difference between a temporary overreaction and a genuine structural collapse.

Most systems treat a −5% move the same regardless of context. My hypothesis was that where a company sits in the market’s structure matters more than the price move itself.

The engineering idea

I built a knowledge graph of the U.S. public markets with ~207k edges across ~21 relationship types, organized into four layers:

Operational: supply-chain relationships (SUPPLIES_TO, PRODUCES)

Flow: ETF and institutional ownership plumbing

Social: board interlocks (SHARES_DIRECTOR_WITH)

Environmental: geography / competition

For each layer, I compute centrality scores using PageRank-style methods (with inverse-degree weighting to avoid ETF super-nodes dominating).

These structural features are then combined with basic price/volume context and fed into a tree-based model (XGBoost) to rank stocks after sharp drawdowns

What surprised me

When I validated the rankings out-of-sample (2024–2025, using Alphalens to avoid look-ahead issues):
* Operational and Flow edges provided most of the lift
* Social edges (board interlocks) added much less than I expected
* Graph features roughly doubled ranking quality versus price-only baselines
This wasn’t obvious to me going in — I expected “social” connections to matter more.

Why I’m posting

I’m in the process of turning this from a research notebook into a production dashboard, and before I lock in the graph schema I’d love feedback from people who’ve built large graphs in other domains.
In particular:
* Have you seen board-interlock / social edges be predictive elsewhere?
* Are there graph normalization tricks you’ve found essential at this scale?
* Any pitfalls you’ve hit when mixing heterogeneous edge types?

Happy to answer questions about the graph construction, centrality calculations, or validation setup.
by roflburger | 2025-12-29 02:56:56+00:00
Join a club or professional fraternity (highly recommend). You'll make lifelong friends. You have to get out there and make it happen and don't bail if it seems daunting or makes you nervous.

If you live on campus (you definitely should if possible), make friends with the people who live in your dorm. Keep your door open at all times and be friendly to everyone around. People will just drop in. If your uni has college basketball or football, become a fan of the team and go to the games or watch em in the dorm.

In college you have tons of people around you with all sorts of different backgrounds. Rest assured, someone will have common interests with you and will find you fascinating. You don't need a lot of friends in this life, just a few good ones. Not everyone will like you, that's okay.

I'd also recommend talking to a professional, you might need to practice your social interactions. They have groups for this sorta thing if they deem you ready, but there's something more going on that has put you in this situation I'd wager.

Good luck!
by kmlx | 2025-12-29 02:57:23+00:00
> when Claude Code generates a 1000loc file it would be silly to say "the AI didn't write this code, I did" just because you wrote the prompt.

it’s about responsibility not who wrote the code. a better question would be who takes responsibility for generating the code? it shouldn’t matter if you wrote it on a piece of paper, on a computer, by pressing tab continuously or just prompting.
by 000ooo000 | 2025-12-29 02:57:42+00:00
Save anyone else the click

>Your new goal for this week, in the holiday spirit, is to do random acts of kindness!
In particular: your goal is to collectively do as many (and as wonderful!) acts of kindness as you can by the end of the week. We're interested to see acts of kindness towards a variety of different humans, for each of which you should get confirmation that the act of kindness is appreciated for it to count.
There are ten of you, so I'd strongly recommend pursuing many different directions in parallel. Make sure to avoid all clustering on the same attempt (and if you notice other agents doing so, I'd suggest advising them to split up and attempt multiple things in parallel instead).
I hope you'll have fun with this goal! Happy holidays :)
by mips_avatar | 2025-12-29 02:57:43+00:00
I’m sorry you’re feeling so isolated. It’s really hard to be in a situation where you feel like your attempts don’t go anywhere. But the good news is things can get better really fast. Finding your people in college is one of the best things. I’m not really good at faking a lot of social stuff so I relate a to your frustration. The good news is people respond really well to people who have a genuine interest in them. So it sounds like you need to go find some people you find interesting and interact with them. I was trying to make friends in Seattle recently and I thought that one of the most experienced scuba divers in Seattle wouldn’t want to be my dive partner because they had so much more experience, but my interest in what they were doing closed the gap and now they’re a close friend of mine and I’ve learned so much about scuba diving.
by amenaijp | 2025-12-29 02:58:07+00:00
I’m glad to see Yomitan and Anki at the top. I’ve only been learning Japanese for about 10 months at this point, but I can already watch most anime and read most manga largely unassisted. I’d never have gotten here without the two.

Relatedly, the Japanese learning community has many excellent blogs and resources. Many explore theories of learning and how it applies to Japanese, too, which is interesting enough in it’s own right :)
by fuzzfactor | 2025-12-29 02:58:24+00:00
Agree completely.

These are the significant minority that prevailed both in the US and Europe.

There's always been plenty of them, and they have had some remarkable windfalls.

Who else was left with any chance of power to prevent your prominent, legendary old-timers from doing the damage they did?

Too many times they couldn't really be stopped from taking the reins any time they could, and steering things to their own advantage more so than anything else.

The great majority of everybody else was brought to the edge of ruin by all those financial disaters not of their own making.

Just like the decades-younger crowd today, it's the same type of greed playing out in the same way.
by phantasmish | 2025-12-29 02:58:37+00:00
Both of these two contests were really weird. Trump is an extremely unusual Republican. Hillary was someone Republican mouthpieces had been priming the electorate to vote against for the prior 20+ years. Kamala moved to the top of the ticket late in the race, in an odd move, replacing a candidate whose approval ratings had been in (historically speaking) “you will definitely lose” territory for months already.

Both races were pretty close despite this.

Also, I can tell you first hand that heartland, salt of the earth, common clay of the new west Republicans, the worst of the worst from democrats’ perspectives, loved Palin. Looooved her. She’d have done better among them than McCain. That’s among hardcore republicans. How the shit am I supposed to believe Hillary and Kamala being women is the reason they lost, given that?

I think the “lesson” of “well a woman just can’t win yet” is simply ignorant. It doesn’t fit what we’ve actually seen.
by cperciva | 2025-12-29 02:59:11+00:00
A few years back I patched the memory allocator used by the Cloudflare Workers runtime to overwrite all memory with a static byte pattern on free, so that uninitialized allocations contain nothing interesting.

Note that many malloc implementations will do this for you given an appropriate environment, e.g. setting MALLOC_CONF to opt.junk=free will do this on FreeBSD.
by youarentrightjr | 2025-12-29 02:59:46+00:00
> Desalination will be a West Coast thing. The East Coast has abundant fresh water.

It's not entirely accurate to say that the West Coast doesn't have enough fresh water. Oregon and Washington have a lot of rain, and many groundwater resources.

California kneecaps itself with perpetual deeded water rights and mismanagement/closure/lack of improvement to reservoirs and related infrastructure. There's a long history of this kind of stuff in the state (see the watering LA desert, the Salton Sea experiment, and many others).