skysight-inc/HackerNews huggingface dataset:
> I don't know what is it about math -- especially when it involves manipulation of symbols as opposed to pictures or lay language -- that turns off so many people.

The biggest turn off about math is the way people are taught math.

Most people are taught math as if it's an infinite set of cold formulas to memorize and regurgitate. Most students in my statistics class didn't know where and when to use the formulas taught in real life; they only knew enough to pass the tests. Students who obtain As in Algebra 2 hardly know where the quadratic formula comes from (and what possibly useful algebraic manipulation could you do if you can't even rederive the quadratic formula?). It's not just math, I've been in a chemistry class where the TA was getting a masters in chemistry and yet she taught everyone in my class a formula so wrong that if interpreted meant that everytime a photon hits an atom, then an electron will be ejected with the same energy and speed as the photon. This is obviously wrong but when I pointed it out, everyone thought I was wrong because "that's not what it says in the professor's notes" (later, the professor corrected their notes). In my physics class, the people who struggled the most are the ones who tried the least to truly grasp where the formulas come from. I don't blame them, it's the way most schools teach.

> build things, and then fill the theoretical holes as needed, motivated by a genuine desire to understand.

I totally agree.

Source:
My experience with tutoring people struggling with math for the past eight years. I used to like math then I got to college where 95% of people don't understand the math they're doing and thus can't be creative with it; this includes the professors who teach math as the rote memorization of formulas. Yeah, call me arrogant, but I have found it to be true in my experience. I strongly believe the inability to rederive or truly grasp where things come from destroys the ability to be creative and leads to a lack of true understanding. But everyone believes they understood the material because they got an A on the exam. I'll stop ranting on this now.
Why competitive gaming is starting to look a lot like professional sports
Having owned a 20+ person services business I can tell you that the paperwork/taxes/regulations around employees was frustrating. Yes, you can outsource this stuff, but why make it so complicated? Added to that, it was a virtual company with employees in 10+ states, it was a nightmare.

It's comparatively much easier to just pay a contractor a higher hourly rate and let them pick their own health care, retirement, time off policy, etc.
It's retaliation, yes, because these workplaces were supposed to bring benefits for their surrounding neighborhoods (and in some cases got tax breaks/etc on that basis) but they're actually bubbles that don't enrich the area very much while contributing to traffic (as employees commute in from far away).
I saw an article about this where the author lamented that "SF has plenty of Michelin-star restaurants". Yeah, that's what I want for lunch, fancy restaurant food.

The last thing I'd want is to waste time going to restaurants, day after day. That's what, 30-40 min wasted every day? I could be spending that in the gym! I work with computers all day, every minute of exercise is precious.

It's cool to go out with coworkers and socialize sometimes, maybe once a week, but other than that I just want to gobble down the food and be done with it.

(I don't live in SF or US but I visit every now and then)
You didn’t argue that the press is free, that speech is free, that the right to defend yourself exists.

You argued that the restrictions on press are justified, said nothing about free speech, and that you hopefully don’t need to defend yourself.

So it sounds like we agree on the basic premise I set forth, but disagree on the importance of it.
Yeah, we said siblings, parents, and grandparents only. Went ruthless on it.
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Merchants and Mercenaries come to mind
> because they think they're better than me and I would absolutely love to see them suffer in the most petty ways possible

Why do you hate them so much? They work at a company that provides them a free perk. There's nothing here about thinking they're better than you.
People already remove the universal right to vote for felons so what would the difference be here? One can always talk about universal and then not actually do it.
Most workplace cafeterias have lines too. Google's did unless you arrived late or early.
Who would have the resources for an SMS intercept?
Self-Employment and Government
I was able to go into a mobile phone store and ask for a new sim for phone number x and get it without any identification. All I was asked was to sign my name and pay some small amount of money.
1. Why is it such an 'amazing unfair advantage' to be able to offer 'free' lunch to your employees? Because the lunch is not really free, it is paid indirectly from the salary of the employee; new companies can simply offer more salary instead.

2. Can't companies simply order lunch for their employees? Or pay a third party to serve lunches for their employees in a company canteen?
https://news.ycombinator.com/item?id=17619658

https://news.ycombinator.com/item?id=17621174

https://news.ycombinator.com/item?id=17613614

https://news.ycombinator.com/item?id=17611770
Yeah ... but a huge fraction of Whatsapp users (in India & Africa especially) use $100 (or less) phones....
Sure it will!

Q: Where will those catered lunches come from?

A: Local businesses charge sales taxes on the catered food.
That’s amazing work Lebron did, he didn’t shut up and dribble.
Exactly this. This is the beginning of a nanny city. I’m hoping Breed nixes this in the bud.

Telling people where to get their sustenance is really a bad start. Bad policy.
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Thanks for the reference... will give it a read.
Because (as someone entirely uninvolved) it looks like an absurd bit of overreach, something akin to mandating that locally-sourced toilet paper be used at all businesses in the city.

Go right ahead, but don't mind a bit of sensible chuckling elsewhere in the country.
> Some uses the money to buy stock/cryptocurrencies...

I dont know what's sadder: remortgaging your house to buy crypto, or borrowing from loansharks to buy crypto.
The irony is San Francisco is considered a 'liberal' city, but "ban this, ban that" attitude is quite conservative/reactionary and not liberal at all
This protects restaurant owners and some cashier jobs. Maybe cooks and other workers would be better off working for tech companies?
But what does that have to do with the emergent ratio between the notch and the rod? There may be 10^35 possible steps, but that does not mean that the answer, the ratio of the notch and the rod, will be limited by that. The answer will come from the number line, where any irrational number can have however many trailing numbers. If the ratio of the rod and the notch is 22/7, how much information would you say that is?
I know for a fact that my local bookstore ends up pulping and recycling most donated books.
But they could spend time finishing work earlier instead of standing in-line for lunch?
I enjoy the example of Kagawa-ya Udon. I've been there and it has nothing to do with free food. Their udon is just not that great.
Looks interesting! Have you gone through it yourself? And how does it compare to other resources?
Leftists often project.
> The code uses inline assembly a lot, i.e. optimizer likely failed to achieve much, and for code like this optimizations are very important.

Yes, optimizations are important, but not for the question the autor tries to ask. To answer his question he need to control optimizations, to have vectorized code and not vectorized one. The simpliest way to control optimizations is to turn them off and to do them by hand.

> Recent CPUs return rdtsc values unrelated to the count of instruction it executed, it’s a counter running at some constant frequency.

So this counter is the best fit to measure speed of code. What the point to count number of instructions executed when different instructions take different time to execute? But if rdtsc counts clock ticks, than it fits best. It is OS independant way to measure time. It is compiler dependant way, but it works with gcc and clang, the compilers you can get for free. Alternatively it is not so hard to rewrite two non-empty __asm statements into any asm syntax your compiler understands. There are total of 6 instructions.
Right I meant in comparison to Model F/M (rated for 100M btw ;)). I’m all for buying quality, but this seems excessive.
I know you're joking but this is CA we're talking about. Everything's fair game for a ban. If you saw a headline that says "Sen. Fienstien calls for ban on water guns" it's a legitimate tossup as to whether it's satire or legit. Banning things is kind of their specialty.
That's actually a good use case. User initiated chat with business certainly has its uses. Business instigated conversations with users however...
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Scribd is a reading subscription that gives you access to the best books, audiobooks, magazines, and more. Our mission is to re-imagine the way the world reads. We are one of the oldest YC startups (YC ’06), operating one of the largest Ruby on Rails sites.

We're looking for senior data engineers (4+ years of experience) with experience in Spark and Scala. We have multiple projects leveraging our cluster to support our recommendations, search and other areas of the product.

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I am the same. Not because I want to stop using Rails (I <3 Rails), but rather just to increase my repertoire. Let me know if you find something!
But don't forget that free trade and efficient markets are the cornerstone of the American way, and protectionism is tantamount to economic suicide (only when discussing Trump's tariffs).
> “These tech companies have decided to leave their suburban campuses because their employees want to be in the city, and yet the irony is, they come to the city and are creating isolated, walled-off campuses,” said Aaron Peskin, a city supervisor who is co-sponsoring the bill with Ahsha Safaí. “This is not against these folks, it’s for them. It’s to integrate them into the community.”

So, app developers face the difficulty of having high wages but higher costs, and in every single direction, greedy people are trying to get every dime out of them. I mean $3,258 for 1-bedroom apartments is outrageous! And now, while they're trying to cut some of the few costs they have control over (food), the local government is openly and brazenly trying to force them to spend more money on local lunch shops? Didn't we just read a few months ago about a high profile developer who lives in his car because he can't afford rent? Capitalism with rules that favor greed is pure evil. I'm all for looking for ways to monetize, but you're literally stealing from people living out of their cars.
Presumably if this was a permanent rule, rather than a temporary issue like the cafeteria being closed, the company would bring in more variety in catered food.
Why sell when you could just return them for a 'finders fee'? Send a demand into the authorities(with proof of possession of the artefacts) for $Xm in some crypto currency with good anonymity like monero or zcash. Once you receive the transaction, go leave the artefacts in the woods some where and then give the authorities the GPS coordinates.
Edge Computing at Chic-Fil-A with Kubernetes
I think they had turned to subscription instead of one off purchase after some time.
Not sure who downvoted me, but I'd like to hear why you did.

First, my comment was to get a laugh.

Second, you'll notice that emojis aren't allowed on HN, and there is probably a good reason for that.
Ideas like this are always presented as a "common sense" solution like "let's reduce welfare fraud" and no one would disagree with that, and then in actual implementation it ends up being "let's target poor people, people of color, and immigrant families" even if that's not what was intended from the start.

I fail to see how fixing broken homes (which we don't have a ready-made solution for) is an easier solution than making school more helpful to kids (one solution to which is what this article is about), so I don't think the parent's argument is made in good faith.
If someone joins a company solely because of free lunch then I would venture to say that's not an employee you want. Salesforce has never offered free lunch and continues to be voted as "the best place to work." The employees are incredibly happy and love the culture / leadership.

You can also order catered lunch to an office.

(I am an ex Salesforce employee)
This is a prime example of how lobbying will favor a very visible small group of people and slightly disadvantage everyone else.

In the end, when you calculate the economic value of the advantage to the restaurant and the economic loss for everyone else (worker's time, benefit to the company, etc etc), this is a net loss in the system.
I'm using the user space implementation.
Bringing food from home doesn't have to mean cooking.

Just buy some pre-cooked packaged food from the supermarket and bring that into the office.

(and specifically from the supermarket in whatever suburb you live in, not one that's in SF)
It seems to be real; there are reviews, with videos.[1] It's easier at short range; the exotic sensor materials aren't needed. Those things are going to be a big win for small mobile robots.

[1] https://diyrobocars.com/2018/04/08/first-impressions-of-bene...
It sounds like they did not spend too much time on it. They hired someone in the community to write for them. Then others wanted write on their platform for free. It was a very clever strategy that scaled without much effort or time from them.
Meanwhile, Elon Musk acquired more than 50% of the space launch market (while 5 years ago it was Russia who owned it).

Don't troll, buidl!
The media's desire for a short and snappy title makes it misleading. It's really about "The End of (Vertically Integrated) Employees".

The various outsourced positions mentioned in the article are still employees. They're just someone else's employees.

Companies just don't want to have vertically integrated employees including janitors and cafeteria workers. (E.g. Outsource to Aramark food services and their employees.) They also don't want white-collar employees who aren't necessarily "core" to their business. (E.g. Outsource to Accenture Consulting's employees.)
I agree, would love to find HN for cleantech.

I went through this search recently - companies at the nexus of software and cleantech in the bay area, here was my shortlist so you can see what kinds of things these companies are working on: AutoGrid, Bidgely, Ohm Connect, Tesla, Utility API, Omnidian, Stem, Advanced Microgrid Solutions

If you're thinking of starting something yourself, energy seems to be an especially idiosyncratic industry that I think doesn't lend itself easily to outside in solutions, it really pays to work in it for a couple years to soak up the knowledge. You'll find tons of opportunities once you're on the inside.

A few of the better opportunities that come to mind from my point of view:
1. Software & analytics based EE and DR (Bidgely, Autogrid, Ohmconnect, First Fuel)
2. Grid analytics, especially around citing and incorporating renewables, controlling batteries to maximize value to the grid and owner (AMS, Stem, Tesla)
3. Customer acquisition for cleantech products - small scale (helping sell devices to homes) and large scale (helping developing projects)

All of these things have significant software and analytics bent and will be key parts of the solution
$1 per year
Where Twitter is located is especially awful however.
Peer-to-peer lending pretty much involves lending to people who can't get loans from banks, and the banks are actually pretty good at deciding who is too risky to lend money to, so why should this be a surprise?

The only way peer-to-peer lending will succeed is if the banks are overlooking or turning away a large group of creditworthy customers, and so far it doesn't seem like that is happening.
http://archive.is/nRt3x
Parker Institute for Cancer Immunotherapy | Staff Engineer, Research Platform Architecture | San Francisco | www.parkerici.org

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Who are you to say what charitable cause a private citizen spends their money on? Do you want to complain that Bill Gates spends money trying to cure malaria rather than remove trash from the ocean too?
There are more important priorities for the SF Supervisors’ time and the law could cause more harm than good (unintended consequences).

More important priorities would be the ones mentioned in the article: the conditions of the street.

Possible unintended consequences: tech company cafeteria workers suffer, people bring food from home, tech companies choose to locate elsewhere, among many others.
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Encryption and ease-of-adoption. I have no troubles testing 20 apps, but my family needs something really easy to use.
Yes, there are plenty of restaurants in SOMA. Eating there is a much better plan than traveling the maximum distance while staying in San Francisco.
You mean SF wouldn't be an iconic West Coast City for 100 years if tech moved out ?
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In comment from the admin: « In other news, we hired our very first Head of Security, and he started 2.5 months ago. » No comment.

«Old salted and hashed passwords» This sentence mean: All hashed were readable. It also mean, if they are still needed on their servers, that they are probably still in use. It would had been easy to salt this hashes.

First fix holes, then redesign...
If you didn't realize it, you've also been hellbanned for awhile. I had to vouch for this comment to show.
Network effect.

My anecdote - out of, say, 50 people I know, two have Telegram. The rest use a combination of iMessage, Facebook messenger, and WhatsApp.

22yo male.
I don't know current priorities but I do know that such a feature is strongly under consideration.

The major barrier (as I recall) is getting such a feature to play nicely with multiple installed clients and the web client.