skysight-inc/HackerNews huggingface dataset:
> Amazon is the second largest private employer in the US, they seem to be fine with paychecks.

Everything that I've seen from them in the past few years leads me to believe that they want to get rid of as many blue collar jobs as possible.

> I was just pointing out that buying Uber so you can deliver stuff is a phenomenally dumb idea

I'd agree with that but I'm arguing that combining ride sharing and delivery makes a lot more sense for both sides than being a courier.

If Uber and Lyft survive they'll have to do it on low margins and high volume. Nobody understands that game better than Bezos and Amazon.

Uber has built a great engineering team, including a ton of top notch machine learning / self driving researchers. They'd be a much bigger value add than anything they'd get from FedEx.

> Amazon already does this and since Uber relies on contractors, they could sign up every driver in the country without paying a penny for Uber.

You're describing postmates, which is too expensive for their average customer. By overlaying door to door delivery on top of something like uber pool you get the riders to eat a large portion of the cost.

Uber is already making progress in that direction with Uber Eats (https://www.forbes.com/sites/bizcarson/2019/02/06/ubers-secr...)

> Uber also already uses AWS. Getting paid for it seems better than spending billions to not get paid?

Oh I could have sworn I just saw someone mention that they migrated off of it recently.

> tl;dr I don't think Amazon buys either company, but there is no way in hell they buy Uber.

As long as both of them are around they will continue to bleed. They might start looking like a good acquisition target in a few quarters.
They should strive to create equal protection under the law, which over time they have done, by striking down laws that aren't this like Jim Crow laws etc.

This is what an appeals court justice does and their check and balance role on the other two branches of govt.
I work on a small open source project. Our master branch is protected from force pushes, and I only use rebase on personal branches for features or bug fixes. It's very nice if I'm planning to merge several commits but I need to fix something in one or more of them.

I agree that rebasing should not happen in the main branch(es) of a repo.
Quartz, built on free distribution, has put its articles behind a paywall
> The cost to JD to manufacture the tractor with lower horsepower limited by the software lockout is the same as it is to manufacture the tractor without the software governor. That's why it looks like a scam -- JD doesn't spend a dime to deliver the upgrade. They get paid for removing the artificial limits on the product.

> No one is saying that different hardware (or even software) features of the tractor shouldn't be configurable and charged accordingly, but the lock-out is different. JD is crippling the capabilities.

This is exactly how modern chip fabrication works for computer processors. The crippling of the product at one end of the product price point spectrum allows the manufacturer to sell the device at a lower price point which ultimately benefits consumers who wouldn't be able to enter the marketplace at the otherwise higher price point. I'm not defending the practice outright but it's not such an outright scam as one might conclude upon first glance.
Ah I see....yes, from that perspective you are absolutely correct, I reckon mass enlightenment in a short period of time would wreak absolute havoc on the world and result in serious public unrest, likely including significant violence. Even if democracy could accommodate a transition, I have no idea how the impacts on the economic system (decreased spending on trillions of dollars in worldwide military budgets for example) would be safely managed.
Ask HN: Can PostgreSQL standby read performance go down with writes on master?
Someone told me that their usual read queries are performing faster when no writes to Master. Is this possible and what could be the reason behind it ?
Hey, will send you an e-mail myself if you don't mind about the first part of analytics. Community MVP here :)
Is Apple about to Kill the iPhone SE?
Well, the "Stabilizer wheel - grasp and hold" item of the procedure doesn't necessarily mean the crew will be able to override it. That's the last ditch option on the checklist, when everything else has failed, even turning the motors off (there could be e.g. a short circuit powering the motor).

There is no clutch on the 737, AFAIK, because the forces are such that it wouldn't work.

Here is a good video by an actual 737 captain explaining how the runaway stab trim procedure works and what you have to do.
https://www.youtube.com/watch?v=xixM_cwSLcQ

And this simulator video shows both how the 737 horizontal stabilizer is controlled and what kind of forces are on the trim wheel and control column when severely out of trim:

https://www.youtube.com/watch?v=aoNOVlxJmow

Should give you an idea what were the Ethiopian pilots facing when unable to use the electric trim, plane trimmed nose heavy by MCAS and at high speed ...
Racket is a very good Lisp for beginners, DrRacket makes it easy to get up and running with little effort.
That's a really interesting idea. I have to admit, though, that I doubt it would make the receipt any more useful to me.
It looks okay in FF 66.0.5 on Windows 7
Brutalism is an architecture style common in the mid 19th century
I'm going to love reading the amicus briefs that Google and Amazon will surely file.
https://news.ycombinator.com/item?id=19901362

https://news.ycombinator.com/item?id=19899982
Uber had an abysmal second day of trading
Customers are always willing to pay the lowest possible price if they are not paying that already.
I went to a Dermatologist who looks for weird spots then cuts them off to send to lab. I'm pretty certain they dont need 10 years of training. $300 for a 5 minute job.
Believe it or not, most doctors get into the field because they truly enjoy helping people. It's interesting to me how often arguments in favor of socialism devolve into "but people are greedy, selfish, jerks." And then the solution to that is to put those greedy selfish jerks into government jobs providing the same services.

Most people are good, folks, otherwise no society is going to work!
> they care only they're well regarded by their own political persuasion.

I'd be surprised to discover any alternatives to this constraint.
Which they should

While it isn't quite as bad I'd compare Breitbart more to Der strummer the Nazi Propaganda rag then to partisan newspapers or blogs.

Racist and bigoted propaganda is what you'll see over and over in it's pages. Stuff like claims islamists burnt down Germany oldest church.

I'd say it's Google's societal duty to censor them
Hmm, that's an interesting question, but I'm not sure I fully understand it. By invalid traffic, do you just mean, non-human (bot) traffic?

If so, I can say that over time, we have improved our use of bot lists, though that's just an IP blocking thing. Non-human traffic detection is not presently a strong focus of the company, though people have asked us to invest there. The issue is that non-human traffic detection is a somewhat gnarly problem in its own right, with its own vendors (mostly cybersecurity vendors) trying to figure that problem out.

We do know we are missing some traffic due to ad/analytics blockers and pi-hole style VPNs, which is fine.

One way we have thought about guesstimating "noise/dirt" in the data is to use one of our universally measured metrics, engaged time. So, we could separate really short page sessions from the rest, under the assumption that if a page session is super short, it's either a mindless human click or a JavaScript-enabled bot crawl. I discussed this on our blog awhile back when we did a data study on the subject:

https://blog.parse.ly/post/6509/replacing-bounce-rate-with-e...

In that study, we found that 32% of visits to pages were "bad visits" (page session <15s), a pretty high number, but that would include not just bots, but also humans queuing up tabs, Instapaper/Pocket saves, and so on.
Yeah, far too often people create horrific spaghetti code of if/else statements which could be neatly coded as a state machine. This is a very important concept to grasp.
It's usable, but not audited. Likewise, Cloudflare's BoringTun has also not been audited properly.
who has not had the bubble guts a time or two from Mickey D's?
I think of it like sending a Windows app crash report to Microsoft. There's almost no possibility that anyone looks at any given problem, but if a million other people submit the exact same crash then maybe it'll show up at the top of some list and get some attention.
The supreme Court primarily hears important cases where there are strong and reasonable legal arguments on each side. The idea that they can just apply the law in these cases is a bit unrealistic. It's just not that clear cut in the majority of SC cases.
>For example, in response to a question as to why when doing an image search on Google for “idiot” that Trump is the result

https://www.bing.com/images/search?q=idiot

Is Sundar and Microsoft working together now? But wait, are they also paying off Duck Duck Go??

https://duckduckgo.com/?q=idiot&ia=images

These conspiratorial arguments that search engines are politically biased stems from technical illiteracy and/or a lack of critical thinking. The arguments are used as a distraction by certain people who want Americans to disregard any new information that may paint them in a negative light - and it is working on a subset of Americans.
The problem with a 10 year employment is the expectation of getting paid for performance at the end of that term.
So you incentivize legal entry through points of entry where people can be screened.
What's an "actual news site" though? Major news outlets also regularly publish unfounded conspiracy theories (e.g. russia gate, WMD in Iraq, etc). The question is do you like yours flavored with anonymity or government funding?

The point is that its not a search engines job to make that determination. People will decide for themselves and whatever the algorithm is, it should seek to remove the personal biases of the implementers and be blind. It should seek to serve the asker not change the asker.

I feel like there could be a term, similar to "uncanny valley" where instead of detecting the in-human traits of something attempting to appear human we see bias in something attempting to be unbiased.
Unique Music Marketing Tips
Elon Musk to Receive 2019 Stephen Hawking Medal for Science Communication
Good on Susie! There's something really cool and fun about integrating data visualisation into an old school receipt.

My question is, what prevents itemisation in bank statements directly?

I have always wanted for my itemised purchases to show up directly in my bank account (instead of just the total). From there, I could see how much I am spending by either automatically generated or manually defined categories. One step further would allow me to budget my money not into separate accounts but by category (think sub-folders within your accounts). You can define the limits of a category and transactions are declined when you've hit your budget and attempt a purchase of that category / product type.

Is there any argument to be made for the bank not having access to the individual purchases (e.g. privacy concerns, too much data)?

Are account holders with a grasp and control of their money and spending not more beneficial to a bank / businesses (not an expert, so forgive me if this is a bit naive)?

I think some third party apps attempt to solve this, but as far as I'm aware they are more of a view of your accounts and not able to control transactions / spending limits. Personally I'd also rather not give my buying information to another entity.
John Siracusa has been ranting about how much worse the Finder is in OS X than classic MacOS for over 15 years.

https://arstechnica.com/gadgets/2003/04/finder/
It is if you go far enough to the left
The engines on the MAX are forward of the CoG, so they are pushing the nose up as you add thrust - exactly what you do not want when approach a stall. MCAS has been added to help with this - to help the crew push the nose down in such situation by using the stabilizer trim.

The forward-backward position of the engines have nothing to do with their resultand pitch torque. What matters is that they are below the CG.

The engines being forward matters because it shifts the center of pressure forward, giving an inherent pitch-up tendency that becomes more pronounced at high angles of attack.

And like you say, all planes with underslung engines have this issue to some degree. Maybe the issue with the MAX is severe enough to cause certification problems but the stall recovery procedures for the NG apparently already call for reducing pitch angle before going to full power or you may not be able to get it down.
What is Uber's competitive advantage anyway? Subsidizing rides with Saudi money? The mobile app is pretty simple and competitors are popping up wherever you look. There is almost no cost to switch for the end user and all the taxi companies will end up competing on price. I don't get it.
As a Minnesotan (but not a farmer), I’m extremely exited to see so much progress with Right-to-Repair legislation (see [0]), especially since it should benefit consumers nation- or even world-wide. If one US state passes the bill, we're unlikely to tech companies create a “Minnesota Edition” device with repair manuals only accessible to Minnesota residents. More likely, compliant businesses will offer this information freely and benefit everyone.

[0]: http://www.startribune.com/right-to-repair-bill-appears-head...

Also: https://states.repair.org/states/minnesota/ and https://minnesota.cbslocal.com/2019/04/24/minnesota-could-be...
This video by a 737-NG captain shows the kind of forces you get:

https://www.youtube.com/watch?v=aoNOVlxJmow

It is not MAX but the systems are identical.

That's why it is so essential to recognize and stop the runaway trim (for whatever reason) ASAP or you could get into a situation where it would be physically impossible for the crew to do so.
It makes sense though. Think about how our education system typically works. Memorize these identities and recite them off, you'll do fine. Learning is a checklist, not a process. Your collecting facts, not tools.

To address this problem we need to implement real changes to schooling, starting as early as elementary school.
Love those games too. Rimworld is the latest in my opinion. All the fun of Factorio and Dwarf Fortress plus a fairly good UI and space faring feel. Wasted/played too many hours. Make sure to use mods too. On steam.
Oh man, this is good, thank you.
> they care only they're well regarded by their own political persuasion

Why would they care about that? They already have the job for life. They don’t need to please their audience any more. They’re free to act on principle.
I read somewhere once that showed that doctors generally can't tell one from the other, either. Im not a medical professional and I have no idea how easy or hard it is to tell, but they can't.
Didn't read the entire thing.
Going to register later.

I actually wonder whether anyone with access to the simulator has tried pulsing the trim switches in sub 4 second intervals. Which depending on how the trim switches work, (I.e. are they continuously coupled, or do they act by moving around a discrete set-point) might be able to fend off MCAS by constantly resetting the time until reactivation long enough to give the trim system time to neutralize.

If something like that were done, a recovery below 5000AGL may be possible.

It's not by a long shot the most intuitive approach out there, and it doesn't generalize well, but for the specific MCAS behavior that's been revealed it may work.

(If there's any 737 pilots out there with insight, I'd be giddy if you'd offer some perspective.)
Is that a physical limitation, like the speed of light? Or is that a limitation of our current knowledge?
Patterns of Enterprise Application Architecture

Enterprise Integration Patterns

Just start reading some Martin Fowler books, you will be up to your ears in patterns in no time :)
FYI the google font link seem to break some FF users so I took that out.
Comparing buildings by their external appearance is never going away, but many people just don’t care. Brutalist is thus never going away simply because at it’s core it was very utilitarian. The fad was mostly an over reaction, but sometimes you just want a large concrete box and anything else is a waste of resources.
I want to spur a discussion on whether bias in search results is ok or not. I’m trying to provide a counter example to argue the point that I believe that google search results should be free from bias by arguing using a corollary that hiring should be free from bias. I do not intend to spread FUD.

Can you argue in favor of bias in Googles search results? In an ideal world what should it be?
* Parser generator tools like ANTLR https://www.antlr.org/, or even lex and yacc, useful for parsing languages/config files and probably generating a better/more robust parser than you'd cobble together by hand

* Dynamic programming https://en.wikipedia.org/wiki/ -- great for relatively-quickly (in computation time) coming up with good-enough solutions to some hard (like NP hard) recursive problem that would take forever (almost literally) to technically find the absolute best solution to, but not something you'll use every day.
I'm very curious how this will compare/contrast with Azure Artifacts. Will it interoperate well with Azure Artifacts? Will there be guidance for when to use GitHub Package Repository and when to use Azure Artifacts?
That plant tape technology was developed in Spain and acquired by a Salinas lettuce company. They still struggle with margins due to CA labour costs and regulations. At some point, even economies of scale will totter when things become too big.

In Ag, the better you do, you lose..because quantity creates glut and farmers are at the bottom of the supply chain of cheap food. Any increase in food prices would only benefit the top. But with new tech, the farmers are bearing the burden of new technology cost without seeing an increase in revenue.

This has already led to the demise of the dairy industry. Ditto with grain and commodity crops. These are also heavily subsidized. Cheap food is subsidized by tax payers and farmers get shiny new tech toys on credit and eventually will fold. Because. Subsidies never work. I am reminded of that quote in catcher in the rye.
Is there any benefit to having critical domains registered and DNSed at Cloudflare as opposed to using a separate registar w/ Cloudflare's DNS? The benefit of the latter is that one has optionality of DNS providers, and additionally one can use DNS providers that support zone export for secondary DNS.
Poland is insanely religious. I grew up in Poland and moved to US with my parents at age of 14. I became an atheist. Recently, I visited Poland, and was amazed that people my age are still mostly religious.

Recently, I read a story about people who took down a statue of a priest who molested children. There was an outcry and some politician had the statue put back in its place. That is just so twisted. Many people I talked to in Poland don't want to even discuss church and systematic protection of pedophiles. It makes them very uneasy but they want to ignore it i guess?
Regulation create barrier to entry, not about safety. If safety you want, impose high penalty/punishment for reckless behavior.
Agreed. Racket is from a particular school of thought, and you won't get all Lisp family ideas from it, but it's great.

You can start up DrRacket (a simple IDE for students that can also be used for professional work, and has some powerful features in it), or just use your favorite editor and the `racket` command-line program and REPL. There's way too much documentation at: https://docs.racket-lang.org/

You can also do the old MIT introductory CS textbook, SICP, using Racket.
Similarly Microsoft Access.
I learned Access for my first job (100% of my job was moving tasks into Access, 3 years later I helped some interns transition to a SQL server+web application). 10 years later I'm still using Access for some aspects of my new job. The ability to quickly prototype something and receive almost immediate value is vastly underestimated (I know of one company which runs all of their tasks out of Access).
Where's the tax info? Has this designer ever met an accountant?
Yes. Mentour mentions it in the video I have posted above.

You unload the stabilizer by pitching down for a few seconds so that you can trim it back somewhat.

However, that is not something you can do close to the ground (you lose altitude, obviously) and the "vomit comet" ride won't be appreciated by the passengers neither.
I agree — and it’s not the new graduates. I have come across people with a couple of years (sometimes more) under their belts.
Contemporaneously, this was not seen as an advantage. Notoriously, Webvan invested heavily in these two line items and didn't get any moat from them.
I've definitely found those games where I've sunk amazing amounts of time into them (Stormworks Search and Rescue is a current one, Path of Exile in the past) and have debated buying a few extra copies just to try and encourage the devs...
Ask HN: Git Repo Statistics Tools?
Have you used any git repo statistics tool, paid or free?

Wanted to look at repo level stats as well as per author statistics.

Also, have they helped gain any insights on your teams productivity? This is definitely just quantitive and not qualitative, but still curious if others have used it for any analysis.
Oral arguments can be heard here

https://www.oyez.org/cases/2018/17-204

A non-PDF version of the opinions can be found through that link or at https://supreme.justia.com/cases/federal/us/587/17-204/#tab-... (which is at that link)
> Breitbart articles discussing Google censorship aren’t radical alt-right preaching.

That may be narrowly true of a particular article but it isn't true of the newspaper as a whole.

https://en.wikipedia.org/wiki/Steve_Bannon

Bannon himself called Breitbart "the platform for the alt- right".
Hey. Since this has been posted, https://scrapinghub.com/jobs hasn't listed any job opening. What's up with that?
Section 3 of Article 1 of the U.S. Constitution establishes this, and it was well considered and debated by our founders.
Sometimes this is true, sometimes this is not. The mess that is Penn Station comes to mind. The buildings and neighborhoods torn down for freeway projects come to mind.

Sometimes the new is all that is required to be better than the old.
Hmm, when Cloudflare registrar first came out I remember not being able to transfer just a domain name to CF without having to upgrade plans (or it was a dark pattern). Maybe I indeed have to recheck.
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Interesting, thanks! That's for part 15 devices, which are exclusively devices operated without a licence, generally at low power.

Part 90 is a different beast, operating with licences, and at higher power limits. It doesn't surprise me the equipment licencing requirements are more intense.
What is the typical QA workflow for machine learning models?