skysight-inc/HackerNews huggingface dataset:
My comment is now too old to edit but another poster has provided some good insight

https://news.ycombinator.com/item?id=22480864
This is just like the late '90s, up to 9/11 when day trading was the rage. Now it's back in fashion, low-key.

I had never heard of /r/wallstreetbets or Robin Hood (well, barely) until a couple weeks ago.
Those were the days when I could give full specs for 20 or so CPUs off top of my head.Good times.
Huh, what? You don’t need or want most values to be potentially absent.
It depends on how you frame the "morally questionable projects".

There's no talent shortage for 5G.

I see no talent shortage for special forces that go in foreign countries to maim and kill all in the name of freedom and democracy.
Reminds me of the book Showstopper and the personal stories in - its about the creation of Windows NT. Pretty interesting how things where not so differnet some 30 years ago

In case anyone is interested:
https://www.amazon.com/Show-Stopper-Breakneck-Generation-Mic...
It is the best and this is one of the reasons why PDF extraction is hard :)
HTTP: //wintersupplement.com/velofel-south-Africa/
Velofel South Africa
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Not sure why the downvotes. There is literally a saying in law: "nobody ever got fired for hiring Skadden". If you think this is ridiculous, don't shoot the messenger. And if you disagree that GCs hire blue-chip firms partly for CYA, please share your experience!
>I haven't heard any arguments about how 5G is going to come to rural areas, however. I think the backhaul requirements are pretty heavy. So in Manhattan, probably going to work out quite well. In the middle of nowhere? We'll see about that.

Presumably it will come there by being built? Rural is a crap market that only sort of gets serviced, I don't see how anyone can make a good faith argument that rural users should hold out for... I don't even know what. There's political momentum around 5g which means that there's money on the table for a rural 5g rollout. Why would any industry player waste their time laying cable in the countryside more than they have to? 5g in cities is promising not for the reasons you mentioned but simply because it's a work around for local monopoly laws.
Because it’s not Google, and open-source.
I read "I think the problem is in your head" as talking about the other user personally. Looking more closely, I can read it as a general statement, in which case it wasn't a personal attack.

Statements of the form "So you're saying [obviously stupid thing]?" still break the site guidelines, though.

https://news.ycombinator.com/newsguidelines.html
Don't all cloud providers have these for their compute VMs? (e.g,. AWS security groups)
Perspective from sentry.io (we use it in production as wikibob pointed out below):
Besides all the performance considerations discussed in this thread, which are 100% correct, a few other features we really like are:

- the multiple table engines that are heavily optimized for specific data access patterns: ReplacingMergeTrees which essentially make records mutable, SummingMergeTrees that allow us to progressively build pre-aggregated data, AggregateMergeTrees that allow storing the intermediate aggregation state of most aggregation function and compose them at query time over multiple groups (example, store a p95 aggregation state hourly and query the daily p95 by composing them), and more.

- column data types is extensive and includes nested columns

- the architecture is relatively simple making it easy for developers and on prem users to deploy a single node local clickhouse very easily

- it is very efficient in inserting big batches of data which works really well for our use case were we ingest massive amount of errors.

- data skipping indexes, bloom filter indexes

(yes, as vlad@sentry.io mentioned below we are hiring for the team that manages storage and thus clickhouse)
Of course there's unspoken ways to reverse it, how would Facebook use it for targeting otherwise?
100-200 million years is way too much to be supported by our scientific consensus:

Wikipedia on "Control of fire by early humans":

Claims for the earliest definitive evidence of control of fire by a member of Homo range from 1.7 to 0.2 million years ago (Mya). Evidence for the 'microscopic traces of wood ash' as controlled use of fire by Homo erectus, beginning some 1,000,000 years ago, has wide scholarly support. Flint blades burned in fires roughly 300,000 years ago were found near fossils of early but not entirely modern Homo sapiens in Morocco. Fire was used regularly and systematically by early modern humans to heat treat silcrete stone to increase its flake-ability for the purpose of toolmaking approximately 164,000 years ago at the South African site of Pinnacle Point. Evidence of widespread control of fire by anatomically modern humans dates to approximately 125,000 years ago.

Wikipedia on "Mammals":

Mammals diverged from reptiles and birds in the late Triassic, 201kk-227kk years ago.

Wikipedia on "Dinosaur":

They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research
Rosetta’s Role in Fighting Coronavirus
Although it's an interesting calculation, you rarely have all your microservices communicating with eachother since you tend to group by areas.
And even if that was the case, if good practices are in place (semantic versioning, good test cases, etc) I don't see why that should be a problem.
Aren’t most terraforming estimation put the time frame of atmosphere erosion at a few 100M years?

If we you can create an atmosphere it should last for a long enough period to be worth it, heck it might outlast humanity.
Why don't we just get rid of PDF entirely? Clearly it's a flawed format.

Which brings me to a question: what alternatives do we have to PDF?
> Your response in contrast sounds like paid for propaganda in favor of the CCP.

That breaks the site guidelines. Please review https://news.ycombinator.com/newsguidelines.html and don't do this again.

Also, please stop posting nationalistic flamebait to HN. We've already had to ask you this.
Benefits of Kubernetes on bare metal cloud infrastructure
This is all true for a company that is actually pushing any boundaries as opposed to failing pathetically at a well solved problem.
Nationalistic flamebait will get you banned here. Please don't do this again.

https://news.ycombinator.com/newsguidelines.html
You can have services, just not micro. Splitting into few services that are obviously conceptually separate is enough. If you are a typical web company, you can have a dedicated service for search, maybe a separate service for internal tools and the main app. Granular enough that teams in charge can be focused on on their area and wide enough to avoid complexity.
In my experience, even the somewhat disappointing performance of Jitsi is better than Hangouts. My worst case was a video call between Italy, Slovenia, Canada and 3x Korea and while Jitsi struggled, Hangouts was straight up unusable. I don't know whether Hangouts got confused and picked a geo-average server on some island or something, but Jitsi was at least mostly usable.
My first internship was at a small company that did PDF parsing and building for EU government agencies and it was really painful work but paid an absolute shitton.
Monorepo can help you in tracking dependencies between services at build time, however services are still executed independently in production, thus existing running services will have a dependency to older versions. To solve that without versioning you then have to shutdown all of them & wait until all off them are online again with the latest commit of your monorepo. Now you have created a network distributed monolith.
I think you are getting downvoted for your tone. I wondered the same thing as the parent post. I genuinely don’t about mersenne primes.
>>In comparison, seasonal flu generally kills far fewer than 1% of those infected, he said.

Probably this is it? Unless it was apples to apples, maybe he would not have said so?
Even a simple API if it needs maintenance over time should be outsourced. Examples include geolocation API. You could build one now but it needs to be constantly updated. Other example is an image processing API that gets better over time. I usually only build a DIY version of existing APIs when I'm absolutely sure that I don't have to look back at it frequently.
Italian on way for £7M-a-season? Chelsea in talks to sign big man
Since no one has mentioned them yet: a shout out to The International Dark-Sky Association: https://www.darksky.org
BankTransaction amount is a double?
transactionDate is a LocalDate?

Please nobody copy paste that class.
And word processing in general, clear back to the 1970s (e.g. Wang).
I just bought a powerful mac mini, but due to other projects arising, it sits idle. I am curious if anyone has suggestions.

I looked through a dozen or so BOINC projects, but they all seem dead. The amicable pairs project had some 2020 results and activity in its forum, but I couldn’t draw a line to any practical goal.

That said, maybe the sorts of projects that have practical outcomes don’t need to rely on the computing power of strangers.
The Rise of Open Source Communities in China
I think you may misunderstand the concept of "Payment for Order Flow"
“The truth about mobile phone and wireless radiation” (2015)
In any field you need representative benchmarks. ¼ mile time isn't the best car, GHz isn't the best clasic computer. The problem with quantum computers is they can't yet do anything well. So the isn't really anything to benchmark.
How wild that this comment is the most pretentious thing in the entire thread.

The article is a straightforward piece on living situations in Seoul. Maybe next time give it a read before commenting.

In any case, please DO continue ending your comments with those authoritative one-liners. (Such an enigma!)
BTT can do both. Karabiner Elements is global only.
It is not about scale, it is about the fact that people lost real money. If you can’t make it work you should not be in that business, and I don’t really care how hard they work.

I’m taking my account off their platform.
And Hot 97
Tokenization of Game Ownership
Hearing aids are insanely overpriced for being a glorified microphone and earphone. $30 in parts.
Shortest and Longest Path Algorithms: Job Interview Cheatsheet
This rumor also exists for the Robarts Library at UofT, and in both cases, I am quite certain, it is just that - a rumor.
Hi DAlperin! I'm really glad you've found it fun to work with so far. :)
Agreed, alerting and hard-capping (limiting consumption) should be seen as different kinds of thresholds, possibly defined independently by different parties.

I'm looking into implementing this system in one of my projects, do you have good resources on this matter ?
Is this your first day of trading or something?

People lose money in trading all the time, for hundreds of reasons and some of those reasons are infrastructure downtime.

If your risk profile doesn't reflect that, maybe you should take your money out of trading altogether.
Anonymous inner classes sucked royally. Java 7 rocked my world when it dropped!
On the other hand, they've had plenty of time and resources to do just that in a reliable fashion, it's not like it's one guy in his bedroom (I hope!). It's not like they are volunteers doing this open source for the community, they are getting paid (very well, I assume) to run the system. And Management is getting paid (even better, I assume) to make sure the priorities are right and correct decisions are taken. "Who could've known there might be a lot more traffic" sounds like somebody failed in Management, and engineering might have failed by not foreseeing the issue and/or informing Management.

Sure, don't burn people at the stake, but "hey, it's hard, don't blame them, they are doing their best" doesn't cut it for me. I'm sure they're expecting to be paid and not for someone to "do their best" to pay them.
Bingo you got it.
https://infolupki.pgi.gov.pl/en/whats-drilled/news/3legs-res...
Google Cancels May I/O Developer Conference Due to Coronavirus
If they compensate for missed trades due to service outages, then an attacker could take a position, repeatedly DDOS Robinhood until the position is favorable during a DDOS, and then demand reimbursement since they "would have" cashed out that favorable position.

It follows that Robinhood must never reimburse for outages.
FairShake automates the individual arbitration process
Worthwhile read:

https://www.business-standard.com/article/finance/can-banks-...
I am an ML engineer in one of the PDF extraction companies processing thousands of invoices and receipts per day in realtime. Before we started adding ML all our processing logic was build on top of hundreds of regexes and gazetteers. Even until now handcrafted rules are the backbone of our extraction system whereas ML is used as fallback.
Yes, regexes accumulate tech debt and become a maintenance blackhole but if they work, they are faster and more accurate than any fancy DL tech out there.
These full-stack “cyborg” businesses are hard; seen them in many types of prof svcs; accounting, legal, recruiting, r estate, insurance. Very few have worked, Redfin as notable exception, though it took forever. The expected operational efficiencies are very difficult to come by.
You can gmail me if you want a more receptive ear for your thoughts on this paper and related subject matter.
Wow. That’s good know. I will poke around. Thank you.

I like KE and have contributed to the dev several times. In typical modest Japanese fashion, contributions are limited to $10 max. Mapping ‘Enter’ to ‘Caps’ and ‘right shift‘ to ‘right command‘ staved off RSI in my right pinky, so I’m happy to send him/her some cash.
New Decentralized Ethereum Exchange
From what I've heard, the "teams" maintaining most of these aren't paid half as much as a mid-level FAANG team.

Luckily for everyone, those industries are so old, they have accidental redundancy built in (paper records for old doctors who can't be arsed to use a computer, etc.).
>>1. Habitats are mobile. If you don't like the neighbours you can up and move, something not possible with geography on Earth;

That relies on the assumption that people within a single habitat wouldn't want to separate for whatever reason. Nation within a nation. It already happens on Earth(see: Catalonia, Taiwan, Hong-Kong, Silesia).
When we design policy around increasing the value of the stock market, we effectively give stock-holders power. Good policy should create efficient markets, not "high value" ones.
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Which itself was the poorer man's Pentium.
Out of curiosity, what exactly are non-technical people doing with PDF's, and why does there need to be a universal tool in the space? What would the tool do with the extracted data?
We drive 2.5 - 3 hours to Abu Dhabi deserts to watch milky way.

It is nearly impossible to enjoy dark sky in Dubai.
I sang on this CD. The NPR piece linked here appears to be based on a segment we did a few years later for Pop-Up Magazine in Oakland. An interesting technological tidbit that they didn't mention is the use of contact mics for recreating the Hagia Sophia acoustic in live performances (and the CD recording). The Stanford crew would tape these tiny mics to the middle of our foreheads (with wires running down to portable wireless transmitters on the belt) to get a good mixable channel for each singer, which would go through their signal processing gear to produce an acoustic backing mixed with the live singing. This is totally unusual for performances of this repertory; you normally do concerts entirely "acoustic" with no mics or monitors, and good recordings typically involve either a single pair of crossed mics in front of the whole ensemble or a few strategically placed mics in the space, but no per-singer channels and pop-style mixing tech.
Hi thom! I'm glad you remember it that way :) Hopefully the userspace code is still clean and uncluttered. The project keeps growing at a pretty high pace and I do sometimes worry that quality suffers. Nothing that a little "let's calm down and work on stability for a moment" can't fix yet though.
Assembly Language Web Emulator – Users Needed
Emu86 emulates Intel/AT&T x86 and MIPS assembly languages in that it helps students visualize how running their instructions would look without having to download a compiler and a debugger. My team and I further expanded the project by developing Jupyter kernels after noticing their absence within these languages.

However, there is only so much we can do alone; we are currently facing a dilemma where we lack users! If you are interested in being a user, let us know! It would also be greatly appreciated if you can spread the word about this project to professors who teach assembly language.

Website: http://www.emu86.org
I think it's worth noting that founder Russ Leatherman is still doing well for himself; for instance, he apparently has a syndicated radio spot called "Six Second Reviews".
Neither was I. :)
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Is it the same Honeywell who did products like industrial limit switchs and so? When you go to there homepage now, there is something like "industrie", but you can't find a real product. Do they just things like consulting now? Strange website ..
That still doesn't solve the radiation problem(at least on mars). What's the point of colonizing Mars if we'd all have to live underground anyway? Might as well try doing that on Earth(or the Moon) first.
Having worked in some places that aren't software companies it is pretty incredible how something a developer who is no longer in the company set in the last decade is still kicking ass with no monitoring or documentation.

It's truly remarkable! All those databases that software depend on and go without people even realizing they exist until someone literally decomissions a datacenter only then to figure out lots of apps require that particular machine to be running... they're day in and day out working with 0 maintenance for years... impressive.

Postgres, mysql and mongodb are examples of databases I've seen like that! As well as inhouse apps that depend on those databases... at most they have a cron job for backing up and keeping at most the last X backups.
volatility always shakes out the trading companies with lame infrastructure
I may be wrong but back in 90s an idle processor used up just as much electricity as an actively computing one.
>>I always wondered what came out of it and how cool it felt to feel like you could, as an individual, help support something massive by doing something so small.

You can still participate in Folding@Home, which in my opinion is a far more worthy pursuit - actual medical science came out of it and more is still being produced.
But it's more opensource than iOS.
> There are a couple of situations where outages are not normal or acceptable: 1. Dealing with other people's money 2. Monitoring/managing other people's health

Generally true, but there is a couple of exceptions to this rule: if everyone knows that the company is brand new and does not have an established reputation, then using that app requires a general acceptance of risk.

Robinhood was brand new, and outages should have been expected. The problem with Robinhood isn't the outage, it's that it was marketed to college students gambling with their parent's money, who know just enough about the stock market to be dangerous, but not enough to invest properly.
What Is BEC (and How Can You Defend Against It)?
In my experience the majority of enterprise service applications and smaller few-purpose systems are build following 1.

We’ve have an ASP Web Forms food ordering system that’s basically four forms and a simple CRUD admin system page that’s been running flawless for half a decade. It’s only needed upgrades to its .NET system as we moved up the TLS version ladder, and it has thousands of daily users. There are no tests, no real monitoring outside of “is it still up?” and no complaints.

Eventually we’ll have to clean up the database, eventually. But chances are someone will have build something new by then.
Sorry, it's not something I'd of query had it not stood out how the title was framed in a negative manner with the spacing and quotes.

Duly noted.
The Psychology Behind DDoS: Motivations and Methods
I love this project, I've always wanted to combine something like this with a mesh network. Then you can provide "village-wide" WANs that are repositories for local Info (for residents and tourists).
Actually, if the server knows the client version, he can downgrade returned data to the client in the version he expects. That way, adding, renaming and removing fields should not be a showstopper, assuming methods stay as generic as possible.

Alternatively you could provide different API versions at the same time and keep the old ones running, as long as they are called.
What the OP fails to explain is how we can ensure that the user pays for the used service. The problem is that we have to bill after the service usage and the user could run away without paying and create a new account for his next use of the service.

That’s the reason of upfront payment and the bucket usage payment model. An alternative would to pay upfront for a credit of usage, but this would require to monitor the usage and an action when the credit falls below a threshold.

The model to use depends on the type service we offer. If we can afford the loss due to people running away without paying the service, then it’s ok to bill after use. But that wouldn’t be a great business model.

To me, the upfront payment of a usage credit seam the best compromise.
Everything seems logical and simple. But the examples lack details and realism. Take for example this quote:

> In the end, the system I put in place had 97% fewer processes (from 629 to 20) while providing all the same capabilities. A bug that was found a few days later got resolved in four minutes.

It‘s called refactoring. It‘s a constant process, that none likes to allocate time to, because it does not move metric immediately. Especially in marketing with a very fast changing landscape you go from 20 to 600+ very fast.