skysight-inc/HackerNews huggingface dataset:
In case someone from Polypane drops by:

Your pricing page breaks completely when accessing it from Argentina where prices are "larger" (ej. "ARS 1,037.20" for the Individual plan).

Worse, I see no way to change the currency. You shouldn't assume that because I accessed from Argentina the price in Argentine Pesos is helpful for me (it isn't). You should provide a way to change the currency (normally people put it in the footer) or not try to match currency with visitors based solely on the geolocation of their IP address.
> Not that easy though and requires a lot of knowhow for a lot of edge cases.

The key for implementing a multi-tenant applications in Spring is AbstractRoutingDataSource. It is not that hard, see https://stackoverflow.com/questions/49759672/multi-tenancy-m...
Thanks for the correction, think I'm confusing [1] (memories of France ~20 years ago, and old houses then) with Schuko.
> How does one manage this risk?

I'm not really in a position to advice risk mitigation - I'll ask my friend if they have any retroactive advice. That said, a few words...

> And in the meantime, they could run all sorts of unauthorized charges.

I think this is something that you would speak to your bank about - at least giving them the heads-up regarding this arrangement. It should be possible to get flags set against your account encase of certain activities. I would go as far as not to tell the PA about this arrangement if possible - if they accidentally trigger an alert due to malicious activity then this could be to your advantage.

> Do you review the monthly credit card bills for a couple months, a couple years, or forever?

I would be checking all charges indefinitely, mostly concentrating on the larger substantial charges. I can't imagine such a review posing much of a burden in most cases. You'll likely find that somebody acting maliciously will become more emboldened with time.

> I assume they don't treat them the same as fraud resulting from a stolen card.

That will depend on the arrangement you have setup.

Hope that helps.
Sure, I agree. I just think defense is a weird thing to pick. Our governments need a lot of help with tech, I think the DoD actually needs less help than most other parts.
> I disapprove of local authorities making deals with retailers (advertising hoardings on the footway) and scooter firms to "monetise" space that's supposed to be reserved for pedestrians

Except the app specifically tells you, after you send it a picture of your driving license to unlock the scooter, that you’re only allowed to ride it on roads <= 30mph and cycle paths.
I used these once or twice (only to pick up my bike from a service). When you sign up, you have to swear on your mother's life not to ride it on the pavement.

...

That definitely works.
> I think what we really need is one regex format.

See https://xkcd.com/927/ How standards proliferate
Gravity is a problem for N American plugs but not for Euro or Schucko plugs in Schucko sockets. This is what they have in Germany and the Netherlands. The plugs fit in snugly and do not move. If you don't push in enough to "lock" in then a spring (or something) pushes the plug back out. So it is very obvious when it is in correctly and basically can't be partially plugged in. Gravity has no impact on the plugs in my house whatsoever.

The Schucko plug/socket system is very robust, safe, and well designed.
As it happens I used to play the organ and yes latency can be a real issue, especially in orchestras.

Orchestras are notoriously behind conductors to the point that conductors conduct ahead of the time they want the beat to be.
Drummers in orchestras need to guess (and have the experience) at which point after the conductor's beat they hit in order to be in sync with most of the other musicians. That's a tough spot to be in latency-wise :)

Apart from that organ music tends not to have a strong focus on rhythm and groove, in which case latency is less of an issue.
That's why it is physicists' best friend :-).
Nope, not Christine.
Saying "someone is just born with it" is called a fixed mindset approach[1]. It sets you up for failure. I used to be hideous with talking to people, but I worked at it and, most importantly, _believed that I could improve_.

1: https://en.wikipedia.org/wiki/Mindset#Fixed_and_growth_minds...
Fairphone Black Friday: 0% Off Everything
Why Your Business Should Have an On-Demand Mobile Application
The era of mobile technology paved the way for businesses to have mobile apps. There is no exception for on-demand enterprises to have an on-demand service app. In this blog, you will gain information on a few benefits of having a mobile app for your business.
Why don't you instead suggest why it doesn't exist instead of referring to some random story that is not relevant (he's not making up a convoluted excuse).
Twist lock receptacles exist in the US, I mostly see them used for server racks.

NEMA L6-30R is a locking 208/240v 30 amp receptacle. L means locking, the 6 means two hots and a ground at 208v or 240v, (240v for 240v split phase and 208v for 208v 3p wye) 30 is amp max amps, R means receptacle.

https://en.m.wikipedia.org/wiki/NEMA_connector
We can provide banking service to 8 billion people on this planet. It is obvious that we can't do that with traditional banking we have. It is just not scaling. Price of cryptos are speculative but the underlying technology a.k.a blockchain which gives users ownership over certain digital assets is here to stay.
> an unbelievably cool person

Thanks ;-)

One consequence of that 1:(n-1) "rule" above is that at some point it basically does not make a difference anymore. The step from 1:1 to 1:2 is "huge" (2x vs 3x more than the alotted speaking time), but once more people are in the room every other person joining just changes the denominator by a tiny amount.
When a company issues shares to the market, investors who buy those shares are investing in the company, and the company can take that investor money and spend it on equipment, wages, or I guess subsidising goods to undercut the competition.

Many companies buy back shares, returning money to investors and increasing the price of their current shares. There are arguments about whether this is a good thing, but the fact remains that Walmart and Microsoft (comparable companies) have bought half and 1/3rd of their shares - returning large amounts of money to investors.

This is in contrast to Amazon. Amazon have constantly issued new shares. This isn't a company that took some initial VC money and turned it into profits. As a company that has not been making a profit and has constantly been issuing new shares, Amazon has factually been running on investor cash for 20 years.

I'm not saying the investors don't get a good deal. Investors know they are paying for Amazon to build market share by undercutting. I'm just saying what happened.

Here is the graph:

Amazon borrowing from the market to subsidise its loss making business in order to build marketshare:

https://www.macrotrends.net/stocks/charts/AMZN/amazon/shares...

Walmart not borrowing from the market and making a profit, which it returns to investors as a share buy back rather than a dividend:

https://www.macrotrends.net/stocks/charts/wmt/walmart/shares...

Also do note that the number of shares issued by amazon per year has remained fairly constant but the value of those shares has increased, so the amount Amazon 'borrows' has increased each year.

You raise the question, long term, will it work?

It is too early to say right? Amazon dominate cloud and are making a profit now in that area, but other companies have been able to cut in on 'their' market. What will happen to elsewhere if amazon stop subsidising and a new investor subsidised company comes for their cheese?

Amazon shares are very high on the the expectation that market share has been permanently bought. How deep is the moat?
TV, data and telephone were often carried on the same pipe. Both the coaxial and microwave relay systems were, at their lowest level, broadband analog repeaters that just repeated whatever was sent. A repeater might take everything received between 4320 and 4340 MHz and broadcast the full 20 MHz channel on 4350 to 4370 MHz. If you sent 20 MHz of bandwidth carrying multiplexed voice channels, it would rebroadcast that to the next relay. Same with 20 MHz subchannelized to carry voice channels and two TV channels. Same with some weird digital modulation.

It was fairly agnostic to the actual contents of the channel as long as it fit within the assigned bandwidth. For example, they started using broadband digital modems to carry PCM audio by the 1970s, in parallel to the TV and FM voice. The circuit and packet-switched computer networks AT&T later provided were first carried this way too, as I understand it.

In practice, NBC/ABC/CBS were the biggest clients and used it to relay live network programming, etc. until satellites started displacing that in the 1970s. But it got used for all sorts of esoteric purposes too. Anything you needed bandwidth for, if you could afford it.
USA: PRISM is probably still a very active project. This is the program where the NSA would request access to major US companies (notably Google and Microsoft) and the companies would grant them access to some of their databases. The NSA slide says that "it varies by provider" what information the NSA is privy to, but it never breaks it down fully to say exactly which provider is providing which data. The NSA slides do mention email contents, photos, etc., so it's probably safe to assume that at least some of the major providers are/were providing contents and not just metadata.
Brief exposure to near-infrared light improves deteriorating vision
Rama – HQ version (O'Neil Cylinder space station) [video]
Not average, average is closer to 25km/h once I factor in accelerating, hills, getting stuck behind cyclists/cars, overtaking, etc. 15km/h if you factor in waiting at junctions and traffic lights. Overall I usually cycle to work slightly slower on an ebike than a road bike unless it's windy. I still prefer the ebike though.

30-35km/h (note it's a range) will be when I have a flat clear road in front of me, after I've got up to speed - hence cruising speed. 35 will be in good conditions only, 30 is a lot more comfortable and I can maintain that pretty much indefinitely unless it's windy. I can also do 30 on my ebike, but I get quickly exhausted because it's almost 30kg with thick tyres. Also I wear cargo shorts and t-shirt, nothing special, no lycra, no aerodynamic helmet or whatever. However, I do change my shirt when I get to the office. My usual goal is to keep up with the car traffic, which is usually around the 20mph limit on my route.

I do indeed get regularly overtaken, but I also regularly overtake. I would say I go faster than nearly all females and of course anyone on a rented bike or similar - but the lycra men on expensive bikes will always overtake me. I feel like I keep pace with the average young fit male, but that may be some kind of observation bias - for example noticing more being overtaken than overtaking.

Also although I'm obese, I'm in my early 30s and my cardio fitness is decent. I put that down entirely to cycling to work, as it's the only exercise I do! I also would describe it as recreational biking and it's an enjoyable, comfortable activity... but why would I want to waste time getting from A to B when I can go quicker?
Today, I am thankful for all of the technologists who made the greatest tool of all time: the computer. And here's to the greatest language of all time: VBA. Haha just kidding, it's obviously Rust. Or is it? Hehehehe.

Just getting my snarky comment practice in before the family dinner. Alright, I'm off to bake a sweet potato souffle!
No, I think you're right in a technical sense. My point was that, maybe because the relevant timelines are longer for nation-states than households, their easily liquifiable assets tend to rise in value over time. A country might have gold reserves, which reduces the risk of lending to it and lets them borrow at a better interest rate. The gold reserve isn't money, the government sells bonds for money, but it can be converted to money fairly quickly.

Bitcoin, similarly, is more of an asset with a fixed supply that can be quickly converted to money. Calling it 'deflationary' is probably some imprecise labeling on my part.
If you are on Windows and in a single network take a look at Voicemeeter and VBAN: https://vb-audio.com/Voicemeeter/banana.htm
That’s great. I’ve always wanted to become an admin.
I think a real problem in this area is the belief that there is "one true notation" and that everything is unambiguous and clearly defined.

Yes, conventions have emerged, people tend to use the same sort of notation in a given context, but in the main, the notation should be regarded as an aide memoire, something to guide you.

You say that you're struggling because of "the math notations and zero explanation of it in the context." Can you give us some examples? Maybe getting a start on it with a careful discussion of a few examples will unblock the difficulty you're having.
230V though.. I don't know the reality, but I was brought up with them enough to feel unsafe just pulling out (or putting in) a plug without using the switch first :-D
Actually you're right, I forgot that we used to ship software to various versions of Windows with just a single build based on more or less the latest VC++ runtime (that had re-distributable versions for all intended targets).
Karma's Newtonia
I think California should be its own country and I am happy to put in the work to make it happen!

I'd like to discuss here if this can be a reality or if it's just a pipe dream

Advice/comments/criticism welcome
Please keep politics off HN.
> I use a crazy long passphrase to encrypt my backups, but should I forget - it is also printed on archival paper inside a sealed envelope in a friends safe deposit box (I also have a copy of his backup passphrase for mutually assured destruction :)).

Why not just remember the password and perform a regular fire drill decryption to ensure you won't ever forget it?
The two ways of thinking in product
No results for “backup” – Figma Help Center
Yeah! Which of course also means that e and π can be defined in terms of one another.
Running this with BeOS was the best computing experience I've ever had. BeOS was good with resources before, but absolutely screamed with dual Celerons.

And the Win2000 experience was fantastic too.
This is a curious idea, I’m wondering how that holds up since it would retain so much water. In cold areas, any water caught in the gaps would break up the concrete when it gets cold enough to ice over.
>Or maybe a minimal, rugged, and easy-to-clean set for daily use, plus a somewhat larger "good" set that's reserved for company.

The keywords are "restaurant dinnerware". Plates and other utensils that hotels and restaurants use break less easily. They need them to withstand industrial dishwashers or to survive rough handling.

For cooking, it's "cookware".
In the end it's very generic. All the retail and dining options begin to look the same everywhere. There's very little actual expertise or knowledge left as everything comes down from corporate and there's no no sign of knowledge or expertise there. Much of the food isn't cooked as often as it's reheated and assembled.

Also the local mercantile class gets hollowed out.
The halt happened twice, but only lasted ~25 mins each time. It was back running before the arrival of most of the people that will end up getting to this post.
Indeed. That a member of the real number line has this important relationship to the differential operator, the complex plane and number systems, and thus all of trig, calculus, and quantum mechanics is pretty impressive to put it lightly. (Trig through the many relationships of e^x with cosine and sine functions.)

The GP comment reads as either a grab at elite character at best or flat out anti-intellectual at worst. No need to bring it in here.
Isn't there another fix point like value for hyperoperations ?
The first one is usually (at least from what I've seen) called the Euler–Mascheroni constant which is denoted by γ, so I don't think there is much confusion.
I think there's another word missing: "data sovereignty". Depending on your business, your customers might need to keep user PII within their country. Having a single tenant solution makes this possible (just stand up a server in a data center in their country and have it communicate only within their country).

It is really just another set of tradeoffs and I think the author does a good job of detailing them from the perspective of company with internal customers. With external customers, the calculus can change.

> But ultimately it will kill you, and the longer you do it, the harder it is to get back onto the path of righteousness - a decent multi-tenant architecture.

Hahah!

The nice thing about a multi-tenant architecture is that it enforces consistency and therefore gives you scale. This can be achieved with single tenant as long as you are ruthless about it (that's what we have done at my current job).

We run separate servers for each client (they can also self host). We built a system to let clients control their version, so they can stay at an earlier release. But everyone stays on the mainline codebase and, critically, database schema.

But sticking with a multi-tenant architecture for a publicly facing application will make it easier to enforce that consistency. That may lose you some sales, but will lead to better scalability.
Yea, that’s convenient too. Having the lights controllable is the prerequisite. Your preference for tapping an app vs mine for using my voice are both possible.

Both android and iPhone have voice control so if you have a smart phone you have capability for voice control, you just don’t use it.
>Isn't this called Autism (spectrum disorder)? I've heard stories about people coming of age suddenly realizing that people less intelligent then them are better at the social game, how can it be?? And then they realize it is something others are born with, others don't need to analyze and learn all the time.

I suspect aspergers is wide but not necessarily the definition of bad social skills. Social skills are easy to learn. They are skills and do require training like any other skill. If you've never had the opportunity to learn them, you will end up later in life realizing you need to learn them.
There don't seem to be a shortage of people like that, but they are generally terrible to work with unless you have equal equity/enthusiasm.
Happy Thanksgiving! There is no Thanksgiving in my country, but I have been reflecting on my work life as we approach the end of the year and I'm really thankful for having gotten to spend 14 happy years working with a bunch of different, interesting tech stacks.
The weird E is Euler's _constant_, and the slightly italicized e is Euler's _number_.

https://en.wikipedia.org/wiki/Euler%27s_constant
https://en.wikipedia.org/wiki/E_(mathematical_constant)
Wonder if they will also pull all the cheap laser/UV safety goggles that actually offer no protection at all.
I ride my bike like a Dutch person, which is to say I ride it everywhere. The infrastructure is getting better BUT I live in the borough of Waltham Forest which is miles ahead of anywhere else I have seen in the UK. Every main street has a separate bike lane and car driving is made to be deliberately painful. We affectionately call it Walthamsterdam in my house.
The cheapest TV models mention access point as a feature nowadays, they're targeted to hotel rooms.
Well sure, I can send money around using third-party services, but the official banking system is not that fast.
I'm really curious how NFTs will play out. My first reaction is to think buying them is idiotic, but I'm starting to think they're around here to stay so maybe I'm the clown.
But what about me a non home owner waiting to get into the market? Why should I care if the market crashes? Why do I care if all those $1mil houses are now $750k? Won’t a market crash be good for those recently priced out of the market trying to get in? I assume if the market crashes it will be harder to get a mortgage in the first place but that is why I am saving a decent down payment. Thanks for your thoughts
At this point BigTech actually treats you as resource. So your scheduled, queued, have expected durability/longetivity etc. Its easier for them if they can plan ahead. Startups on the other hand are typically in "now" mode, more buddist not really.
Neighbor's TV, neighbor's Amazon Echo or Ring doorbell:

https://www.tomsguide.com/reference/what-is-amazon-sidewalk
My point is that making up theoretical situations is not useful. You can make up theoretical situations where it's bad with it and I can make up theoretical situations where it's bad without it.
Show HN: Open-Source Fully Featured Scalable Chat App (FFS Chat)
Okay, I found a better link. Here's a sighting in action:
https://web.archive.org/web/20210830002600/https://forum.dev...

Also two other observations. First, there is means: unsecured and public groups like xfinity, sidewalk, fios via some business deal maybe. Also in the means column is a full linux machine, totally possible (not saying it's happening but possible) to run Kismet all day in the background to look for auth. There's all kinds of pocket doodads at Defcon doing this. Second is motive: your data as revenue is the these things are getting so cheap. Why would they leave free cash on the table?
Spotify, Google, Tidal, HBO, Disney, Paramount, Comcast, etc. all exist and compete with those 3.

In addition, an artist can create something and sell it on their own website. The artist (or content owner) has never had such an easy time getting access and collecting payment from the world’s population in all of history. Or sell it via Amazon or Apple. I am pretty sure Apple lets content owners set the sale price.
It looks really good, might use it on top of JabRef[1] when I snapshot my library for inclusion in a paper. Even so, JabRef already does most of what is advertised here, but it is really useful just by being in the browser.

[1] https://www.jabref.org/
Happy thanksgiving HN. I'm living in India and recently got the US company offer through HackerNews. It's truely one of the best forum that I recommend to my friends and families. Stay safe!
You might be better picking an area, and trying to work out the notation relating to that area e.g. vectors / matrices / calculus etc. As Colin says below there are often multiple equivalent ways of representing things across different fields and timeframes. I seem to remember maths I studies in Elec Eng looking different but equivalent to the way it was represented in other disciplines
> 2. Abbreviate journal names

This was exactly what I was going to suggest, it would be a great addition! And if someone from Overleaf is listening... ;)
It's all over Tiktok and IG, a Polish person I follow posted an IG story saying "For once I'm proud of my country".

I'm guessing the news story will make this toy the must-buy item for Polish (and others) meme followers this Christmas.
Telegram didn’t comply that rule and Russia tried to block Telegram that time without success
Yeah, I agree with that. For me it’s still a nice syntax highlighting tool to help me identify and think through those decisions.

I use a lot of hedging/weasel words in my first drafts so I find it helpful to have those highlighted for reconsideration
Practice, just like you learned programming.
"The Context" gives you the meaning for the notation, sadly. You have to kind of know it to understand the notation properly.
This is the biggest infosec-focused collection I've seen https://github.com/0x90n/InfoSec-Black-Friday.

My shameful promotion to level up your SSH tunneling and port redirection game:

* $10 for the interactive lab - The Cyber Plumber's Lab Guide and Access https://opsdisk.gumroad.com/l/cphlab/blackfriday2021

* The accompanying book is free: https://github.com/opsdisk/the_cyber_plumbers_handbook
The mental gymnastics people go through just to sound smart.