skysight-inc/HackerNews huggingface dataset:
When the overhead of the double writing becomes substantial enough affect the architecture.
> Stimulus cheques handed out at an actual time of crisis is not the same thing as an unending flow of such cheques during times of low unemployment and economic stability. I think that distinction is being lost in this discussion.

For people who can't gain sufficient employment* this is an ongoing problem. The people who won't want to make it permanent are people who do not experience this type of instability on a regular basis.

It is interesting how our first thought to say "obviously this is temporary" rather than taking an empathetic look at what it must feel like all the time for a segment of the population (I'm just as guilty here).

* i.e. 1 job, 40 hours a week or less, that allows one to live a fulfilling life
Gatsby founder here.

Really appreciate the feedback and support for our launch today! The team worked super hard to get Incremental Builds live in public beta but are taking all the feedback (here and all over the web) as we go into full launch. Let us know what you think. Thanks!
I'm really interested in this general area of generating good candidate queries from documents, but haven't spent much time on it. I haven't seen it in production, and I don't think the topic gets as much attention as it should because intuitively it sounds like a really good idea, so thanks for the paper!

Results for R@1000 look pretty impressive, and I'll check out the project code. Given the high recall and low MRR, using this for the initial recall step with a rerank is definitely worth looking at. if the high recall carries over to your own data and you can rerank those top 1k to increase precision, then you've got something good.
Employees refuse to return to work as long as they’re getting extra $600/week.
You do have a blind spot. It's not just about progress, "better pop" or "better music".

The 20th century has seen 3 true revolutions in music technology that have changed the nature of music itself (photography went through similar paradigm shifts)

1. Recorded music (straight to wax then vynil records) was the first one (before that there were only live performances) : it made music ubiquitous, created a new industry and business model.

2. Multitrack recording to tape was the second, as you could now edit, tweak, refine after recording. Skilled instrumentists still mattered, but less so. A crucial new artistic role was invented : music producer.

3. Digital music production is the 3rd and largest one : for the first time in history, music is not limited by a human's ability to play an instrument, or even by the law of physics governing the sounds a physical instrument is able to make.

Anything an algorithm or AI can output as series of 16/24bit values going through a digital/analog converter around 44100 times per second and ending up in speakers : that can now be music, or at least an instrument.

Electronic musicians can still record and assemble familiar sounds from physical (acoustic or electronic) instruments if they choose to, but they can now also be their own luthiers and introduce one or 100 of their own never-heard-before instruments in a single song.

They can still play music live, they can do so through new human-machine interfaces driving software, they can assemble sounds in a UI, or through code, and they can code the sounds themselves, or do a combination of all that.

There is now absolute freedom to produce anything the ear can hear, only limited by one's imagination and ability to procure (or code) software instruments and effects. Of course, this has had a massive impact on the art of music itself, much like CGI has enabled telling stories in movies that could never be told before.

Virtually all "interesting" new music being released (i.e. not country music, not rock :) ) takes advantage of this new normal.
Not GP, but Electron apps to me have a specific “smell”. When you run one, you get to know it’s an Electron app without prior knowledge of that fact. Slow launches, massive memory usage that initiates thrashing, standard OS keyboard bindings not working, actions within the app being sluggish (especially if this is not the only app running and there are other apps using some RAM), and sometimes several crashes too.

I know that there are some Electron apps that behave well and perform well (responsiveness and RAM usage), but those are in the minority. One could always run a bloated Electron app as the only foreground app on the system and give it more resources, but the usability compromises are hard to get over if you’re someone who likes learning and using keyboard shortcuts and other OS specific interactions.
That's not even a demo of the actual physical product though, that was just a video that was posted online that purported to show what the experience would look like (but actually was not). It's not like you would've seen that had you actually been looking through the glasses.
Good luck with performance if it's non-uniform across the warp.
I hope this doesn't add to much cost to their cloud customers' bills.

They've worked so hard to sell their AI solutions to the fossil fuel industry, lately, so they can help them extract and burn more oil and gas[0].

[0] https://www.vox.com/recode/2020/1/3/21030688/google-amazon-a...
http://archive.is/sm6Cy
Just an FYI but clicking on the link triggers Metamask's [1] Ethereum Phishing Detection, here's a screenshot:

https://i.imgur.com/p2m8nil.png

[1] https://metamask.io/
While there is absolutely a consumer market for gaming and entertainment, Magic Leap has nothing to offer in that space. The apps store they offer is very limited and it's mostly tours of locations, or design tools for making stuff that works with the spacial dimensions.

They do not have any real games to play that the public at large would find fun for more than an hour or so. Their apps are like PoCs for what you can do with Magic Leap. If FF7R was on Magic Leap, I bet they'd be selling a lot more units and it'd be a great time for them.

Instead, you're better off getting the Oculus or Valves VR where you have tons of actual games to play and support for streaming apps.

There is no way for Magic Leap to capitalize on the consumer purchasing right now, because they don't have a catalog that supports the hardware to any meaningful degree. And they can't suddenly churn those things out in the space of a month since we've been hit with quarantine.
What happens when the write of the current position fails?

It's the same problem as presuming that ACK messages in message brokers/queues are guaranteed to not fail.

Since the message transport and other durable resources are rarely able to be enlisted in the same atomic transaction, and since distributed transactions would largely be an antipattern, it would seem that a reactor that records its current position can't be presumed to be an infallible way of ensuring that messages aren't processed more than once.

In the end, it always comes back to ensuring that handlers are idempotent, having something that can be used as a stable and consistent idempotence key, and accepting that the idempotence logic is the responsibility of the handler coders rather than something we can count on generalized infrastructure for.
61A was easy in terms of math, but hard in terms of everything else. Every student I met who had never programmed before taking 61A found it intellectually quite challenging, both before and after the switch to Python; even without math, thinking in terms of computation and execution is not natural.

Given that second-hand experience, I found the excision of all of SICP's math from the curriculum to be quite a good choice, as adding advanced math as another prerequisite would have raised the barrier to entry even higher.

(Side note: your description of EE40 sounds like a professor who didn't schedule well, not intentional difficulty.)
The video is hilarious in a good way. You can hear the disbelief and amazement in Chris McCord's voice when Liveview works as he (and team) developed it.
I probably should have used a different word. What I meant was that the last 200 years or so is the first time in history that human civilization has extended across the entire planet simultaneously.
Seriously. I would love to work at this level of abstraction in Clojure, but to do something that is trivial in Rails with something like Devise is a chore in Clojure, and you have to put it all together yourself. Of course this makes it excellent for learning, but not so great for deadlines. More and more I think I might've made a mistake trying to do basic CRUD web stuff in Clojure for my current project.
> Not to mention bacteria (even super resistant ones) don't have the airborne infectiousness to cause a pandemic in this day and age.

Not yet, that is the point. It is only a matter of time.

> Something like the bubonic plague can easily be controlled by basic hygienic practices.

Agreed, but we see with coronavirus how many people (sometimes intentionally) ignore them. Besides many places even in developed nations lack basic hygienic needs, such as prisons (see e.g. https://www.coe.int/t/dg3/health/Prisonsreport_en.asp), which leads to endemic tuberculosis outbreaks in prison inmates.
I actually feel like Gatsby will be developing a CMS to round out their paid feature-set. I have zero-inside knowledge, just a hunch that to get customers to pay up handsomely, the product needs a deeper "fit" in the publishing pipeline.
Hanlon's razor is usually true but assuming the opposite is usually wise.
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That was the concept video which was different from the demo, but you are correct and they did a horrible job conveying that that was a concept and not the actual product.
I find the title here a little misleading, as the Gnu announcement itself doesn’t mention systemd in its title or even in the body of the announcement.

I also believe that comparing gnu shepherd and systemd is potentially confusing, because systemd refers to a whole set of programs covering various aspects of networking, logging, etc. and not just to the pid 1 daemon launched on startup.

(By the way, I have no strong opinion for or against systemd, to me it’s just another tool, and like any tool it’s more appropriate in some use cases than in others.)
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I remember a small delivery startup called "Magic" too that had quite an impact here in HN, then I never heard about it again.

Edit: Here it is the HN post: https://news.ycombinator.com/item?id=9087819

They are still around though https://www.getmagic.com
For the ignorant amongst us (by which I mean me), what are the enterprise applications of Magic Leap?
CS isn't programming, so I don't think it's unreasonable to make sure a candidate from a CS background has the basics down.
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On a tangentially related note, more and more I find myself wishing regex syntax wasn't such a hodgepodge of literal/non-literal characters. It always seems to end up in a mess of what is and isn't escaped and knowing what needs to be in which context. And I keep thinking we really only need one special character, namely '\', to prefix all non-literals. So \\ produces '\', \. is dot match, \* is star match, etc. So instead of: .foo* we have \.foo\*, which admittedly is going to end up more verbose in most situations, but still strikes me as clearer as to what's intended.
On a smaller scale, you could do what Low Tech Magazine [0] does and actually have
downtime when sunlight is low. Since this doesn't happen too often and users can just
save articles (with RSS, email newsletters, etc.), websites like this can just be
powered by a single computer, solar cell, and small battery in the owner's Barcelona
apartment. Thanks to small static pages and tiny dithered images, the site is almost
always up.

The future doesn't always need to be as "webscale" as Google; sometimes, scaling down
is the smart thing to do. The minimal approach of LTM is the technology equivalent of
riding a bicycle (or electric velomobile [1]) to work instead of driving.

[0]: https://solar.lowtechmagazine.com

[1]: https://solar.lowtechmagazine.com/2012/10/electric-velomobil...
Besides it being an often-repeated cliche, how certain are we that airbnb has no real-estate ? It would have actually make alot of sense for them to long-term lease or even buy some in popular destinations through intermediaries or large residential real estate companies.
COBOL is the wrong tool for any new job now because hardly anyone knows it.
Interesting concept. Perhaps we can name this the Swordfish Law: cheap money drives out good ideas.
Two possibly examples-

- Spawn nightly regressions when wind power starts to pick up, instead of at some arbitrary wall clock time

- Dispatch compute-heavy jobs during low energy cost times; dispatch IO-heavy or memory-limited jobs during high cost times.
> Over time, the choices that affect an underclass are more lenient, as the underclasses vote in their own interest. Short term, there can always be less efficient redistribution outcomes, which does not contradict the mid term effect.

This argument doesn't check out for me. There is no guarantee the underclass wins any of the votes they make. The leniency we see towards the "lower classes" is a result of actual struggle by the underclass themselves, in ways typically unrelated to electoralism. If they're not a majority then there's no guarantee "voting in their self-interest" results in any favorable outcomes for them.

In order for democracy to work in this manner, every interest must be evenly distributed, and every overlapping group of interests must also be evenly distributed. This just isn't demonstrated in reality.

> via coordinated propaganda toward an extensive uneducated/politically-ineffectual population

I greatly dislike this idea that propaganda is what makes people vote the way they do. A much simpler explanation is that people have overlapping and contradictory interests that change over time, and their vote reflects this interest. A xenophobic voter may recognize immigration as a net gain for "the economy", but still be willing to take that hit to not live among those of other cultures.

> A cursory analysis shows that US Govt entitlements are the largest part of the US Budget year over year, since Social Security was introduced (at least). What you mean by efficient is a sticking point, but the majority of the budget goes to supporting the people. That seems to fit.

Even if the government spent 100% of its budget "supporting people", this support can still be:

1. Tilted towards more influential voting blocs.
2. Highly discriminatory and exclusionary (thinking of blocs like undocumented immigrants here).
3. Ultimately a raw deal, because we're still supporting a parasitic capitalist class and only getting back cents on the dollar compared to what they make off of us.

The situation you're describing here is one in which the government breaks our legs, then hands us crutches as compensation (which conveniently happen to be manufactured by the corporation lucky enough to get the contract).
And in a slightly different form factor / price point presaged the mass usage of Lime, etc.
I'm not talking about their fake demo ads they put everywhere, I think they actually had an impressive in person demo using some different technology they couldn't miniaturize.
Yes, that's a good point, and it was a positive side-effect of Soviet times that intellectual pursuits were valued/supported, especially those that were "pure" enough (math, chess, etc.) to be harmless to the regime.
Fair enough. I just wanted to point out that standard C is inadequate on its own. I'm pretty sure that cryptographers are aware of this.
Is all your consumption from renewable sources ?
I wrote a little app recently to test out live-view. It was my first time really working with it, though I've been writing elixir for years. https://gif.energy

Didn't really have any issues. There were maybe one or two gotchas but they were explained clearly by the docs (appending vs updating elements) and I was able to get it sorted easily. That whole app took a couple days, but more than half the time was wasted on iOS not supporting mp4 and webm formats for the animated shots in the chat messages. Unfortunately, liveview does not fix Apple's stupid walled garden.

Overall it was a great way to minimize the javascript involved. It doesn't make sense for certain types of apps, but it really adds a ton of value and saves a lot of time when the use case is right. And it performs really well. Loading and rendering a chatroom full of messages (with animated gifs in each message) makes a couple requests and happens in less than a second.

And combined with phoenix presence it was like...5 lines of code to add realtime online/offline statuses for users. Super cool.
Its not necessarily a question of what they could do. Its an emergency and time was valuable.

Banks have thousands if not millions of employees capable of performing basic due diligence before sending out money. A fed task force tasked with processing applications from millions of businesses would be capable of handing out money maybe summer 2021
It's good to an extent, but if optimization for cost gets too intense then it will seek out the flaws in market rules. This will be true whether machines or humans are doing the optimizing.

I guess it's okay as long as the people making the rules have good monitoring and are watching out for weird exploits and fixing them. The flexibility to change the rules tends to be more common internally than externally where customers want more guarantees.

As we've seen, there also needs to be a balance between cost-optimization and preparedness. If the wind patterns don't match the prediction then you need to be ready for that.

Also, as we've seen with cryptocurrency, real money attracts theft. A human-adjusted credit system is better. In the real world, this looks like support having the discretion to forgive big bills. But to do that they need to know their customers. It's hard to automate.
But nothing about the crisis changes fundamentals negatively for at-home entertainment. Covid-19 is a convenient excuse here.

> Did they really raise that much money without a concrete go-to-market strategy?

I'm sure they had a nominal strategy. But if you take the anthropologist-from-Mars perspective on Magic Leap, it looks like their real business was selling feelings of excitement to investors.

This is a common phenomenon with build-it-and-they-will-come businesses. If you want to crate a good business, you need contact with reality early and often. You need to test your hypotheses on actual customers, because that's how you really learn to maximize delivered value.

If you want gobs of investor money, on the other hand, it's often better to have no proof at all. With $0 in revenue, investors just have to imagine the billions that await. But once you have $1 in revenue, suddenly projections get anchored to real data. Rather than reveling in dreams of what people might do with, say, Segway or Google Glass, people insist on looking at the dreary reality.
Right, but it was a niche, not a revolution.
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Sure, for a routine clinical lab at your local hospital, but Labcorp is one of the largest ancillary lab networks in the world. I would be surprised if they haven't automated or processed out most of the manual labor for sample to diagnostic test.
To be fair to the Segway, there's a remarkable number of self-balancing one wheel scooters on the street in SF these days (well, a few months ago). And I think you can trace all of those back to Segway. Sometimes v1 doesn't quite do it.
I'm having trouble thinking of times when I felt more demoralized as a developer than when the sales team has made promises that simply defied the laws of information theory, and then wondered why we couldn't just work harder to fix the problem.

I mean, technically, capital I Innovation often comes in finding a way to do something without violating the laws of physics, but that's how company origin stories are written. You don't schedule that on the project roadmap "And then a miracle occurs" style.

During a particularly memorable instance of this situation, I recall reading a story by someone suggesting that you can close this feedback loop with peer reviews across functional units. Marketing reviewed product management, product management reviewed development, development reviewed QA, and QA reviewed...

And this is the kicker: QA reviewed marketing. So if marketing sold something that was undefinable and thus untestable, they got an earful from QA. No bonus for you.

I fantasized about that over countless cups of coffee with coworkers for the next year or two.
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Kind of like VR for games? Which I have yet to meet anyone who uses...
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Thats a good point. I think there are lots of ways to turn side dishes into main dishes. Really depends on what platform you start out on.
> leads to the least certain outcome

What's the loss function for this? How do you cross-validate this loss? The only generally applicable methods I can think of (essentially some Bayesian-type updating, which then uses Monte-Carlo-type methods for evaluating this loss and "uncertainty") is just so much more expensive than anything we do at the moment that, at the current computing level, we wouldn't even be able to do it in most cases.

The problem is, an AI model will tell you an "uncertainty" but these "uncertainties" will often not reflect the true underlying probability that it is wrong. This is, of course, all a bit silly since it's hard knowing what you don't know, and a proper update to this number is also not well-defined unless you already have a bunch of samples about potential future outcomes (via, like I mentioned before, a Monte-Carlo type approach. This would multiply the cost of something as simple as an evaluation by many times.)
I think technology has destroyed any hope of another Teddy or FDR becoming president. I feel like mass manipulation has been perfected and we are going to see a long string of puppet presidents like Donny, who let the rich and powerful slowly throttle this country until we turn into Russia or China.
Because people will still need and want things. It's also the base case assumption. Stating otherwise would be an extraordinary claim which requires extraordinary evidence.
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Yup, launching soon. Probably will open source it too.
The end? I could only wish.

That this social cancer was allowed to fester for so long means it will just raise it's ugly head once again when conditions are right.
I have a feeling Magic Leap will be to AR what Segway is to Bird/Jump/etc: right idea, wrong implementation (time/form factor/business model/etc).
"Money (in the form of buying power) can't be created from nothing..."

But you weren't talking about money creation. You were talking about interest rates.

Is it your point that capital has the same cost all the time, and variable interest rates are just a manifestation of money creation?
How do you test the staging environment - is it replay of prod data or load generated by scripts? How much extra cost does it incur on DD & Sentry (as a % of prod monitoring cost)?