skysight-inc/HackerNews huggingface dataset:
The two antennas on the desk are set up as an array (Input A and Input B). The beamformer (that little disc) creates two outputs, a sum channel (A+B) and a delta channel (A-B). Where the -B part is essentially inverting the phase of B and adding that to A. The delta channel is plugged into the network analyzer for display (or oscilloscope -- I didn't pay too much attention as to which it was).

The diagram to the left shows the theoretical beam patterns of the output: the orange is the sum channel and the blue is the delta channel. The delta channel has a deep null where the sum channel has a peak.

The poster turns on a transmitting antenna and sweeps it in angle past the array. The output is very low when the transmitter is directly between the receive antennas -- as expected (ideally it would be zero, but any phase or amplitude mismatches between the two antennas would reduce the depth of the null).

The first pass he makes doesn't show as large of a dip as expected -- probably because he's in the near-field of the array. You'd typically want to be in the far field and there's a rule of thumb based on the size of the array as well as the wavelength. He moves the transmitter back a bit on subsequent passes and it shows a bit deeper of a null.

I would call this a "poor man's monopulse" (monopulse being a keyword if you'd like to search further). If you have, say, a very large array and you're using it for radar, you would often apply some sort of amplitude and phase weighting across the receive elements on the "sum" channel to control sidelobes. Otherwise, strong signals coming in from angles not associated with the mainbeam can be mistaken for signals in the mainbeam. You would ideally match your delta channel weighting to your sum channel weighting.

Monopulse in radar is used to improve angle estimation. Radar is very good at ranging: you transmit a signal and time how long it takes until you receive it and the speed of light is a well-known quantity. But the cross-range error is poor: you want a very large antenna to give you a very fine beam and to translate that to cross-range error. For example, you may easily be able to range something to within 10 meters, but with a 2 degree beam width at 20km, your cross-range error would be on the order of 750m. Monopulse, for nominal signal-to-noise ratios, can give you angle accuracy roughly 10x better than real-beam -- so in our example you might have 75m cross-range error with monopulse. Still not great, but much better than 750m.

So you'd perform your detection on the sum beam, and then you'd essentially look at the ratio of delta / sum to get a better estimate of the angle within the mainbeam.

Note: I'm not an antenna engineer, but I do make use of antennas in my field.
I think the endgame here is to have bled the lower & middle class (& lower upper class, even) dry right as AGI is coming of age, and then Earth itself becomes the inheritance of a handful of trillionaire oligarch godkings/queens, who will enforce their new post-human status with the leverage of a distributed swarm of intelligent machines/networks.
One that has no benefit for employees and employers, beyond tax incentives.. Real planned economy vibes there.. Well.. You can not save economic models based on nost algia with lots of costs for all sides. They just wither and die over time anyway..
Oh no I want my pizza size teams with five thousand Microservices written in Clojure, Haskel, Erlang and Scala.

The cost argument about this monolith is just a straw to clutch at. Microservices are not cheaper than a monolith. Operationally or infrastructure wise. Logs, monitoring, tracing and what not for each Microservice.
Charlie Munger, dies at age 99
This is a great point - it’d be easy to de-anchor the sweep from turning but it’d be enormously complex to re-write the logic for the planes to make them fade in their own time (using the angular gradient to accomplish both the sweep and the fade was probably the best shortcut of the whole project!)
I'm not a 3D artist, but why are we still, for lack of a better word, "stuck" with having / wanting to use simple meshes? I appreciate the simplicity, but isn't this an unnecessary limitation of mesh generation? It feels like an approach that imitates the constraints of having both limited hardware and artist resources. Shouldn't AI models help us break these boundaries?
this is in 2014, hope this guy finished something.
Is "everything" the family home?

In a divorce it's much more about the kids than it is about the wife. The kids get stability in a divorce. Where possible kids live in their home with their primary carer, don't have to move to a new school etc.

Why is the wife the primary carer? It starts because the husband can't get pregnant or breastfeed. It's supplemented by the likelihood that he's already the highest earner, which generally meant that he slept on so he could work the next day, while she is more likely to lose sleep nursing a crying baby.

Biology is a reality. Reality is literally sexist, and women get the rough deal in almost every way. I wouldn't want that at any price. People think they can opt out of biology these days, but that's a luxury belief that comes crashing down when sex and reproduction comes up.

I can't imagine risking getting pregnant because of sex. I can't imagine having to be pregnant for 9 months for every kid, impacting my health. I honestly don't even want to imagine the painful, stressful and risky job of giving birth. I can't imagine lactating, and therefore being the one who can instantly feed a crying baby at night. And eventually losing out on a career because I'm tied to the home for 8 years straight to raise 3 kids.

Having said that, this norm, which has obvious and sensible roots in human history, is abused. And it is somewhat dated in some countries today where there equal parental leave for mother's and fathers, breast feeding stations at work, creches etc. But how many women, even in first world countries have those luxuries? And is childbearing and rearing not still extremely sexist by definition? Yes! Unless you're rich enough to pay a surrogate. But then it's still "some woman" taking on the physical discomfort and risk, albeit for money.

So, prime example: Heather Mills getting millions out of Paul McCartney was totally unfair because she didn't take a career break and lose out because she was raising their kids while he made his money.
Table element should be unsigned char, otherwise it's wastefully large. Oversight.
Mammon.
Viam is a complete software platform for smart machines
We're not stuck on meshes. Check out neural radiance fields as an alternative.
Someone who spent $500k on a lambo cares about how their car looks.
Prison is supposed to be rehabilitation, not a self-funding machine.
One of the most underrated SwiftUI components

Even if I show her today the first thing she cares about doing is picking a colour (which is great for fine motor skills!)
Regarding your last paragraph, I thought the same... When the author wrote:

> I'm instantly transported back to that moment — the room, the lighting, the chair I was in, the table, the pit in my stomach, ...

I could'nt help but think "that sounds like a trauma reaction". Good on them to be able to use that energy to do better! But also not everyone reacts the same way to trauma nor is it easy to compare such reactions to trauma (for example as a hiring question). I feel there are too many social variables at play
That's your opinion. The reason I exist is because my parents made me. That doesn't mean I have to create a life to give my own life meaning.

The reason people choose to have less and less kids is because raising a child is a thankless/tough job and despite all the progress that has been made on the social aspect of raising kids, more often than not, it is still the woman's job to do the rearing and raising of the kids.

Family is not everything, I know countless people who were born in terrible families.

Leaving a legacy is so overrated, why do you feel like you need to do so? What is so important and so unique about you that if your family line were to end today, the world would be missing?

Please don't confuse your opinion with facts.
Thanks eh! Still had that book on my list to read. :/ dude…
His users could've helped. Apollo's userbase was better than Reddit's average and they wouldn't crap where they eat. If Apollo dev asked for money people would gladly chip in $1 a month for the servers.
I have no doubt that 3d modeling will become commodified in the same way that art has with the dawn of AI art generation over the past year.

I honestly think we'll get there within 18 months.

My skepticism is whether the technique described here will be the basis of what people will be using in ~2 years to replace their low level static 3d asset generation.

There are several techniques out there, leveraging different sources of data right now. This looks like a step in the right direction, but who knows.
It is the speed of iteration so testing, ci/cd, and monitoring are necessary after the MVP.
"But it seems like ultimately someone is going to be pretty directly responsible."

Or many people, or no one directly. Space missions come with calculated risk. So someone calculates the risk that this critical part brakes is 0.5% and then someone higher up says, that is acceptable and all move on - and then this part indeed brakes and people die.

Who is to blame, when the calculation was indeed correct, but 0.5% chances still can happen (and itnwould be a lot)? And economic pressures are real, like the limits of physic?

See Murpheys Law, "Anything that can go wrong will go wrong." (Eventually, if done again and again)

https://en.m.wikipedia.org/wiki/Murphy's_law

Astronauts know, there is a risk with every mission, so do the engeneers, so does management. Still, I cannot imagine why anyone thought it was an acceptable risk, to use a 100% oxygen atmosphere with Apollo 1, where 3 Astronauts died in a fire. But that incident indeed changed a lot regarding safety procedures and thinking about safety. Still, some risk remain and you have to live with that.

I am quite happy though, that in my line of work, the worst that can happen is a browser crash.
Author of the post here—as another commenter mentioned, this is indeed a bit dated now, someone should probably write an updated post!

There's been a ton of evolution in dev tools in the past 3 years with some old workhorses retiring (RIP Phabricator) and new ones (like Graphite, which is awesome) emerging... and of course AI-AI-AI. LLMs have created some great new tools for the developer inner loop—that's probably the most glaring omission here. If I were to include that category today, it would mention tools like ChatGPT, GH Copilot, Cursor, and our own Sourcegraph Cody (https://cody.dev). I'm told that Google has internal AI dev tools now that generate more code than humans.

Excited to see what changes the next 3 years bring—the pace of innovation is only accelerating!
No worries thanks for the advice. The price of that model seems good.
Exploring Self-Hosted Email Services
> I'd be bothered by the sheer inefficiency of it.

This is the part that hurts me the most. I don't like when good things go to waste.
What I would like to know is how big the effect size is. NYT published a detailed article and it looks much more cautious than other news outlets: https://www.nytimes.com/2023/11/28/science/longevity-drugs-d...

According to Celine, they will be eventually "claiming at least one year of healthy life span extension", so it looks like the effect will be moderate. Still interesting.

Dairy raises IGF-1 levels. This is why I think that getting too hooked on dairy products beyond age 50 is not a good idea.
I feel like class status trends with age in the US. The younger folks have had less time to acquire assets. The older folk who worked hard and invested wisely are benefiting from said decisions. I think the income and wealth inequality is a type of motivation, I can see what I can attain with an opportunistic and hard working mindset. This kind of economic mobility is the beauty of the US system.
I think if a game development team is going to try ECS for gameplay, they need to have the resources to go ensure it’s comprehensive enough for their needs. It can be challenging to “bolt on” a data-oriented design and have it interface with the rest of the code base. Conway’s Law will apply if not everyone’s on board with it.
It just never ends with this outfit.
It’s unregulated capitalism at least, or perhaps capitalism regulated by the capitalists. We’re entering uncharted ground in terms of not only wealth distribution but also corporate ownership. We’ve never had a period in time where massive corporations owned basically every part of everything the way companies like Amazon does for physical goods and more, or the way Microsoft does for digital goods and more, or the way Google does for advertising and more, or the way Disney does for entertainment and more. I know there are other major corporations than those, but it’s not like you can really do a small scale business and compete with these massive corporations without either being bought up or having your product “copy-pasted” and sold at a low enough price until you go bankrupt.

Regulations are meant to prevent monopolies, but that has simply failed. Legislation is meant to distribute wealth, at least to some degree, but in the past 50 years the top earners have gone from paying almost 80% taxes to almost 0% taxes. So while you’re right that this is what capitalism looks like, capitalism was just never maintainable without regulations and that part isn’t exactly new. It eventually leads to civil war and break downs of society, every time, except this time we’re fast approaching a world where the aristocracy will not really need a massive work force because AI and machinery will be capable of performing most tasks.

In many ways it’s basically the worst version of the cyberpunk we all read back in the 80/90ies come true. But the catch is that no other system works either and unless we manage to steer things back to regulated capitalism then the nationstate as we’ve known it for around 400 years is basically going to be replaced by something else. At least here in the west, China probably has it covered by their extreme version of regulated capitalism, but even they have massive economical issues because they cheated capitalism by making up things like house ownership.

There is a fairly clear path out of it of course. Especially housing. We simply need to get our governments to take ownership over all housing that is owned by equity fonds and give zero fucks about the massive economic impact that will have on the aristocracy. Our society and our economies as such can survive it, and it’ll be better than the crash that eventually happens when nobody can afford these houses. Which is sort of a weird thing for me to say, considering part of the investment bank I work for is into bricks, but even now we’re operating at an intended loss with 10.000 homes (which is a lot in my country) being empty because it’s too hard to increase rent once a home is rented out and our business prefers to keep them empty and hope for a better economy to rent them out at higher markups. Partly because the entire projects were financed with the assumption that the rent would never be below a certain rate, and it will be more expensive to actually earn money than to lose them, at least in the short time, but the short term is 7 years.
my take on it is the absurdity of denying capacity to something simply because you look down on it for one reason or another. If there are signs that a thing does a thing, then it does it. It should not be weird that this thing does it, we should simply update our internal model to better reflect reality as we now know it and move on.

To flip it around, it is equally absurd to say computers can't be sentient because they're just math, or just minerals and electricity etc.
Every time some survey pops up, TF somehow looks still relevant while I know noone who uses it or even considers using it unless they are new to DL field. How much of TF here is v2.0?:)
I think the vibe is explicitly DeLoren tho (right down to the market failure apparently).
Without disagreeing with your point, would availability be an issue in this case? They need one or two, have an enormous budget, and if the technology exists can make their own.
Indeed. Yeah, there are many. Thanks for the comment!

How do you think they compare against other Edge providers leveraging on Wasm such as Cloudflare Workers [1] and Wasmer Edge [2]?

In my opinion, they have way worse developer experience... but that may be my taste. I'd love to hear your thoughts!

[1] https://developers.cloudflare.com/workers/

[2] https://wasmer.io/products/edge
Has it not occurred to you that, if we want people to become productive working members of society, that perhaps allowing them to learn and work from prison might be rehabilitative?
I'm not sure why you keep saying this as if it makes the fact that they lied about the most recent breach any better.
Your pedantry misses the point.

Even if all she did was sing happy birthday to the immigrants and then welcome them to Greece, Stainablesteel is still advocating for speech he doesn't like to be restrained.

In hindsight, I should've realized that his post was unreliable and untrustworthy. I should not have used a proven liar as a source, and I won't do so again.
> On Nov. 1, the most recent data available, there were 12,350 individuals in state and county jails and prisons.

Next small step towards social justice is to start calling them people rather than individuals.
The point is that discrimination against women was widespread enough that it required a federal law against it in the 70s to rectify. That doesn’t mean discrimination always happened or it was impossible to get a loan or open a bank account.

Just like the 1964 civil rights act. It’s not that discrimination against race or sex or religion always happened, but it happened enough.
I see you subscribe to the “accuse others of what you are guilty” school of debate.
You'll be extra careful but I don't know about extra safe. I had a few close calls while driving and it made me a less confident driver which I don't think did anyone any favors.
I would have assumed the game engine would be responsible for culling occluded objects. Isn't that one of the most basic parts of a 3D renderer?
Ansible Lockdown is a security baseline automation project
You broke the site guidelines repeatedly, and quite badly, in this thread. Can you please not do that? Regardless of how wrong someone else is or you feel they are, it's not what this site is for, and destroys what it is for.

If you wouldn't mind reviewing https://news.ycombinator.com/newsguidelines.html and taking the intended spirit of the site more to heart, we'd be grateful.
Pretty sure that "insurance" only covers their money, not yours.
On your deathbed, you’ll look back and consider what the point of everything was. We all make our own purpose and reason for living. But I dream of my kids, they give me so much happiness, and the best thing I ever did was have them and the joy they bring. It’s sad that people cannot see the beauty in this.
> inject ads into the audio file at download time, enabling them to target ads based on the downloader's IP address

I've only had this happen once. The experience was so irritating that I probably won't ever listen to a podcast that does this. It just cut off without notice and suddenly a German ad played during an English-speaking podcast. (I get why they do it, but I hate it. In that particular case, I actually signed up for their ad-free premium thing because I really want to listen to it and it's actually reasonably priced.)
microservices are a solution to certain problems. if the stack is already pretty diverse, needs a lot of separate teams, hiring is hard, coordinating deployments is hard, etc, then it makes sense.

Shopify probably looks more like what you ridiculed than not. we can guess that it's not one big team, and it's not hundreds of identical copies of this big monolith (but configured during deployment to run in different roles).
> Prison is supposed to be rehabilitation

That’s one part. The others are deterrence, incapacitation, retribution and restitution [1].

Letting prisoner’s work aids rehabilitation. Letting them earn further aids restitution.

[1] https://open.lib.umn.edu/criminallaw/chapter/1-5-the-purpose...
Did this last summer. Started as docs for friends taking care of the house for a couple of weeks. Used the multi-language feature of some Hugo theme to switch between ‘guest’ and ‘inhabitant’ docs.

Was great when my youngest wanted to make her first coffee herself. “Open your phone and go to home.family.tld and click on howtos!”
I used to work on a code search tool. I have not had access to a dedicated code search tool in any of my ~5 roles since then and have not missed it.
It amazes me that even when we have numbers people still dismiss Rails.

Nothing will run at that scale on a single VPS. All companies will have a wide range of languages used.

If this is not Rails supporting high traffic then what do we need more?
yup, monolith goes very long only to the point where you have hundreds of engineers or some very specific niche technical problem that I would start thinking about microservices.
Plus that whole dieselgate thing, they burned a lot of trust and good will with both their customers and regulators
Cars are status symbols as well as tools. As a tool, a car’s function is not impacted by scratches. As a status symbol, it will become less impactful due to scratches, dings, and dents.
The existence of this property kind of dances around the real problem. The quotes should be omitted entirely because in a block quote you already know where the quotation begins and ends, additional punctuation adds no value, only noise. We wouldn't be trying to hang the leading quote off the side to get it out of the way (because it conveys information we already have and thus only gets in the way) if we just excluded it altogether.
That’s not been the case for a while in developed economies. The vagaries of modern life and work means most people can’t live where they grew up, make their life elsewhere, possibly multiple elsewhere, and only go back to visit. Unless there’s a real business to inherit e.g. a farm or hotel or some such.

That was already the case in my grandparents generation. On my father’s side is a large farm, but my grandparents moved into it. The eldest lives there, and a few of the aunts and uncles have shares from inheritance so they might move into it eventually. Most of them made their lives elsewhere, and their kids went even further afield.

On the other side, the grandparents came down from the mountain, built a house, the kids made their own lives throughout the country. The house was sold when my grandmother died a few years back. And she died in that home, for most of my friends the houses were sold when the elder had to move to assisted living (or worse when the house was lost for lack of income).

Generational homes were a thing when people didn’t need to move around, but my own parents moved 4 times just in my lifetime. So far.
The author is scarred for life, reliving it in certain circumstances. They use the scar as a tool to sharpen their performance.
A multi-generational pyramid scheme built on the idea of unlimited economic growth. Currently unravelling as we have exceeded the planet's carrying capacity.
You can do this in VS Code, but it's Alt+Click. It's a default binding.
perhaps zig... the new cool kid on town

or pascal.
I don't think he negated that and just stated that the funds to do so should mostly come from somewhere else - otherwise there is motivation to exploit the prisoners.
I don't know anything about that situation—I've never personally looked into it. All I know is that we need you to follow the site guidelines when commenting here, no matter how right you are (or feel you are) about the situation.