skysight-inc/HackerNews huggingface dataset:
I don't think any retailer can trade on the scale and speed that would require C/C++ over Python. With lower capital and significantly higher transaction costs, retail traders (mostly) need to have holding periods for at least hours, so speed isn't really an issue. It's more about finding longer term anomalies to deploy maybe at most a few dozen positions, as opposed to reacting to billions of quotes over any trading day.

I think Python is a great tool for finance, particularly with libraries like Pandas, Numpy, etc. Most of the work in those libraries is C/Fortan/etc anyway. Great community. For more 'academic' style work/exploration, I think R might have an edge, but I personally find it more difficult to write and maintain high quality code in R.

I'd like to just throw a quick plug in for an open source project I'm working on [1]. It's an event-driven trading library written in Python. We're pretty close to having live trade execution ready in an alpha state.

The motivation is that you can put together a pretty simply strategy in ~40 lines of code. The codebase is designed to be pretty flexible & modular. Mike from http://quantstart.com has some great resources & many of his recent articles use the same library.

[1]: https://github.com/mhallsmoore/qstrader
Ask HN: Do people still use the social media buttons on your website?
I'm about to start a new project and am curious if the social media share buttons that appear on many websites are or ever were actually used?
> every person I know who got LASIK done in the past 10 years experiences got them to some extent

Were they all treated at the same local clinic perchance? The problem might be with the clinic or doctor.
Seems a reasonable decision by Uber to pull out..."mandatory fare meters" is a bit over the top. But, given the current PR tide, they can hardly afford any more headlines that even sound negative on the surface. They must be dying for a positive piece to be written.
Kdb is used in many large banks.
I suggest the book angelhead to give you some perspective on this. If you come to understand this condition you will regret this comment.

https://www.amazon.com/Angelhead-Brothers-Descent-into-Madne...
Great interview. My main touch points for Rollins are his music and some of his spoken word stuff from the 1980s; I did not know he has continued his high rate of creative output to the present time (I had a vague idea he does radio stuff but I don't follow it).

One point of context that's worth mentioning: In the early 1980s he was part of one of the most prolific small teams that ever existed in the music industry: Black Flag (Rollins, guitarist Ginn, drummer Bill Stevenson and bassist Kira Roessler) and their producer "Spot." From 1984-85 they released four full-length albums and toured incessantly. Even after the band broke up the individual members continued to produce, produce, produce. Rollins started Rollins Band and did poetry books and spoken word tours as well. Ginn ran SST records and did some other bands. There's a documentary about Bill Stevenson which shows how he kept up this crazy pace with ALL and Descendents and other recording projects to the present day. Roessler was part of a sound editing team that won an Oscar for their work on Mad Max: Fury Road. These people are incredibly prolific and creative in their own right, and when they came together it was a very intense period of output.

Anyone who is interested in the history of Black Flag and other seminal creative teams of the alternative/underground music scene of the 1980s (Minor Threat, Mission of Burma, The Replacements, Fugazi, Minutemen, Big Black, Sonic Youth, Dinosaur Jr., Butthole Surfers ...) should read Michael Azzerad's "Our Band Could Be Your Life." He conducted some solid research and got many of the key players to talk to him, and the book is a great read. He made an observation that these bands were in many respects entrepreneurial ventures, albeit operating with only creative capital and bootstrapped energy. Quoting from his interview with The Paris Review (1):

The most lasting significance of the eighties American indie scene might have been the way these bands conducted their careers. The point wasn’t to play loud and fast; the point was to make the music they wanted to make, without compromise, to find and cultivate an audience for it, and to live within their means so they could continue to do exactly what they wanted to do and not be beholden to anyone but themselves. That’s really what the best indie bands today are emulating.

Also, much of what the bands in this book did was to make very unconventional music that attracted unconventional people—or maybe even showed conventional people a different mode of thinking. Not necessarily because of anything in the lyrics, but just because of how challenging and unorthodox the music was.

https://www.theparisreview.org/blog/2011/05/19/michael-azerr...
दिल की भड़ास – Relationships now-a-days (funny) – Aaj kal ka Pyar
Luck and Skill Untangled: The Science of Success
Making Java code easier to read
Round up the writers and dissidents
The government did as much as they could while preserving tax revenues (the new law deregulates the industry). There have been plenty of cases where older meters were hacked back in the 90's. Not requiring meters and seat sensors would have made cheating easy.
To quote from your last link:

> Largely reflecting Carol's own political choices, the FRN was the last of several attempts to counter the popularity of the Iron Guard, itself a fascist and antisemitic movement.

The fact that Carol was able to seize power to such a degree was a problem. As was Carol itself. But I don't think it's a coincidence that his dictatorship coincided with the post-Great Depression period and the rise of Fascism and Nazism (i.e. external pressures). Or with the power struggles in the region between pro-French/British factions and pro-German ones.
Agile matrix management
EURUSD: Hesitates, Faces Pullback Threats
موعد مباراة منتخب مصر وتوجو
Taiwan company's name used in $100M email fraud against 2 US internet companies
Can the Trump supporters here explain why this is a good idea? I'm genuinely curious.
So resolution has something to do with larger text then? ;-)

Anyway, on iMac Apple doubled the resolution (quadrupled the number of pixels) when they introduced the "retina" versions so there was no font size change.
Backtracking Interview Questions
> Pity we lacked a more worthy opponent, though; otherwise we might well now be on Mars.

It wasn't the fault of the opponent, really - or at least so I was led to believe when reading up on NERVA.

https://en.wikipedia.org/wiki/NERVA#In_the_space_program

"The Mars mission became NERVA's downfall. Members of Congress in both political parties judged that a manned mission to Mars would be a tacit commitment for the United States to decades more of the expensive Space Race. Manned Mars missions were enabled by nuclear rockets; therefore, if NERVA could be discontinued the Space Race might wind down and the budget would be saved."
Multiclass classification
I'm not sure where you get your Informaton but for one, in order to re-order contact lenses you must have a current rx (within 1-2 years) and it is standard to get an eye exam every year. Many people have eyesight that progressively gets worse and require a new rx yearly.
To see the decay chain that includes ²¹⁰Pb see https://en.wikipedia.org/wiki/Decay_chain#Uranium_series
iOS 10.3 fixes a security vulnerability on Safari for iPhone and iPad
What is this, the paralympics of software IDEs?
Angular to React/Redux, a Guide for Angular 1 Experts Looking to Use React/Redux
I'm sure there's much interesting discussion to be had over Uber's decision to leave Denmark. Unfortunately due to the advertisement banner covering 40% of the screen, I was only able to read 60% of this article.
Then you can't deploy to end users on Windows.
Considering the fact that Windows has it's own SSL API and most apps don't use OpenSSL - any reason you're not using the native stack?
IBM InterConnect: The Time for IoT, AI, and Machine Learning Is Now
Is your motivation for writing backend code in Node.js code sharing or just avoiding the mental burden of changing languages?
Show HN: SMALL COS. – Companies with less than 50 people that are hiring now
I have no sympathy for Uber as a company, but (without having additional information beyond what it is provided in the article), it seems to me that a new law mas made ad-hoc to address Uber's rise specifically, not that they were already breaching existing regulation when they started operating in Denmark.

Taxi drivers are a vocal and recognizable faction, while on the other hand there is the nebulous concept of what benefits the average "consumer/citizen".

It makes little political sense to support the latter over the former.
Nope - in fact, they weren't even done in the same country.
That is just awesome, thanks!
I think whats interesting is that you'll find a lot of MJ users who have been conditioned to thinking the smell is pleasant. Makes sense if you think about it -- every time they're around that odor, their dopamine receptors are firing.

To the MJ users out there, take this as constructive criticism. Not everyone finds the smell appealing. Just like not everyone finds the smell of cigarettes appealing. Find a place to smoke away from entrances of buildings and other places nonsmokers are unable to avoid, and freshen up after partaking.

Businesses like the movie theater should create designated areas for smokers. As far as the smell that sticks with the person, that's something much more difficult to police, it isn't a crime to smell bad.
iOS 10.3 Arrives: Here Are the Top New Features
Uber's business model simply cannot survive in sensibly regulated markets when they have to follow the regulations.

Uber could follow the regulations, charge approximately the same as a taxi, and still make a moderate profit. There's nothing about Uber's business model that says they have to be cheapest or have a monopoly. The only reason they choose not to do that is ambition (or greed if you're being less generous to them).

This is just Uber showing governments around the world that they're willing to leave a market entirely if they don't get their own way. Uber are betting on their customers becoming vocal opponents of the regulation and lobbying their government to change the law in order to allow Uber back without the rules, and for other governments to become fearful of enforcing their regulations in case they anger Uber's customers too. It might work. On the other hand, maybe people aren't actually that bothered about which particular ride company they use, and Uber's strategy won't work. It'll be interesting to see what happens.
Hey everybody,

This is my first time posting on HN, a little nervous but excited to be here!

I started Small Cos. because I was looking for a job at a small company and thought it was harder to find them than it should be.

Working at a company of 5 is totally different from working at a company of 500. This is a place where people who love that environment can find small companies doing cool things and learn about the challenges that they're facing.

Looking forward to hearing your thoughts!
"The concept of global warming was created by and for the Chinese in order to make U.S. manufacturing non-competitive."

I have no words.
> freedom and democracy in continental Europe only still exist because the US won and imposed it.

This is a ridiculous assertion. Back it up with some facts and sources.
Grocery stores are required to have validated scales to measure produce, how is it "over the top" for taxis to have validated meters to measure distance?
Show HN: yarntf – easy distributed TensorFlow on Hadoop
So HN actually has turned into reddit...
Secret Handshakes Save Business from Phishing Attacks
Sure, I'm sitting in a chair right now, but I'm using my fingers to communicate with a person on the other side of the planet in real time. I daresay that's a bit more crazy than what object I'm resting my ass on.

While some things are the same, some things have drastically changed. It's all too easy to pick out the things that stay the same and declare "Look, fundamentally we haven't changed!" because the things that have fundamentally changed we are already used to.
One variable not mentioned is the number chemicals used in growing tobacco - herbicides, pesticides, etc. - and the chemicals added the the filters of cigarettes. The latter issue is easy to avoid and most home growers try to minimize the use of the former if they use them at all.
Exactly what was deleted? On what website? I can't tell from the article.
I assume the purpose is to keep passengers from being overcharged. These days, it's trivally easy to punch the route Uber calculated into Google maps, so I just don't see the purpose.

I don't think Uber is above bad behavior, but it would just be stupid of them to cheat in this area...too easy to be called out. You can audit past trips with ease. The app stores them. Denmark is also requiring in-vehicle video monitoring, which I also find over the top, but for different reasons.
DNA technology is hardly used medically, even though it is becoming cheap and relatively old.

CRISPR/Cas9 is more precise than technologies before, but still not perfect: http://www.nature.com/news/enzyme-tweak-boosts-precision-of-...
If the computing power doesn't fit in a headgear, you could just put a massive computer (e.g. iPhone size) in your pocket and have it transmit the images using WiFi/Bluetooth to your glasses.
Fwiw, native-tls [0] is intended to solve this problem for the set of uses involving TLS (e.g. hyper [1], reqwest) by using the defacto standard on the platform you're on. This means no openssl is necessary on Windows.

Longer term, I would like to see some way for a crate consumer to optionally replace openssl with ring [2] where possible. But that's a harder problem, figuring out a common interface, specifying two crates satisfy that interface and are swappable by cargo...classic package management problems really.

[0] https://github.com/sfackler/rust-native-tls

[1] https://docs.rs/hyper-native-tls/0.2.2/hyper_native_tls/

[2] https://github.com/briansmith/ring
It seems like it should be this way, but I've often found another level of cautious user. My mother has stopped using her computer for a week while waiting for me to come visit so I could tell her how to proceed past a popup she hasn't read. Typically, I'll come home, she'll ask me to help her with a problem, show me the popup and ask me what she should do next. I'll instruct her to read it, which she hasn't yet, and then once she does, she'll make a decision and ask me if it's the correct course of action before proceeding.

I think generally non-technical users are just pretty diverse, and I'd wager there's more non-readers than readers...

That said, in this case, I'm not sure what more MS can do beyond simply not offering this service.
Loved Foucault's Pendulum, but I think Name of the Rose is a better novel. The characters are more convincing, the narrative momentum more propulsive, and the intellectual pyrotechnics just as satisfying. The film, with Sean Connery, is pretty good too...
Maybe it needs some more rigor?
Biting the bait: having voted for someone doesn't mean you agree with everything he promises and then with everything he does after he's been elected.
Yes, If things are interesting or if they get any rewards they will share with the people. Specially whatsapp or any other messaging application.
The land use is what I dislike most about it. There are a few golf courses in Sydney in prime locations. All that land that can't really be used for anything else. The worst one is in Little Bay, next to the ocean. Countless balls hit into the ocean.
"Uber are betting on their customers becoming vocal opponents of the regulation and lobbying their government to change the law in order to allow Uber back without the rules, and for other governments to become fearful of enforcing their regulations in case they anger Uber's customers too."

In my country, Uber doesn't have a good reputation at all. People like the convenience, but that's about it. No way people are going to lobby for them.
The Amish will abide.
Microsoft Lifts “Spying” Components in Windows 10 for Chinese Government Version
Giant amphibious cargo drone flies, but loaded/unloaded like a ship
6 Surprising Trends Shaping the Future of Pharma
This use of assert is silly. The code should look like this:

In examples 2, 3 and 4 the author explains what's wrong with the code and why it's a bad use of assert(). In example 1 though it's just called silly. What's wrong with that one?
That's interesting. I did wear contact lenses (either 15 days or 1 month) for a decade. After a while my sight deteriorated further (unrelated to contact lens use) and I started using glasses more, and then exclusively.

When I tried to switch back to contacts, with a better prescription [1], I found out that I couldn't stand a full day of them anymore, they just weren't comfortable. Later I realized that I had switched to dailies; when I tried bi-weeklies or monthlies again, they were still as comfortable as I remembered.

[1] I'm short sighted, and although I'm technically not astigmatic, I have need a strong astigmatism correction as well. For the same reason I can't get LASIK either.
I don't know enough about stories or reality to explain this better, but the episodes seem to have a lot in common with a bad acid trip.
Not surprising. In highly regulated markets such as Denmark, Uber has always had a hard time. In the early days they played the "ask for forgiveness card", but being a gigantic operation now, that does not fly anymore.

In my home country Germany, Uber also essentially retreated and only has a token presence at very few cities, as the regulatory environment just does not allow the Uber economics to work.

So focusing on the markets where regulation is soft or where Uber has leverage to change regulation is the winning strategy here.
For one, I think the intent of the requirement can be satisfied by alternate means. For example, like the google map that is recorded and displayed to me of every Uber trip I've taken.
I can play devil's advocate.

The data is falsified and needs to be removed.
You have this information while using Uber, in real-time, on your phone.

Since you are charged based on distance and see the price before calling the ride, it's arguably better than a "fare meter".
it is over the top. when I go to a store and buy 2 bananas, i dont really give a shit about whether the scale is validated. I want those two bananas and if the scale says its 2.19, and im fine with that, do I really care whether the scale showed the correct weight? Seriously?

With uber, its the same thing. I want to go a place. The app says it'll be X. Do I give a shit about a meter? Probably not.

This kind of regulation is retarded.

Its about "fraud". I cant be defrauded by a scale. Maybe that was different 100 years ago when this kind of regulation came up. I don't know. I wasn't there. But when Im in a supermarket looking at a piece of produce that I want to purchase and the device that figures out the price says its X dollars, I don't really care how it arrived at that price. I want to buy the thing, or I don't. God forbid it fucks me out of the 2 cents 10 extra grams would cost. Oh lord.

I'd certainly pay a premium to be able to actually get a ride instead of waiting for a fucking taxi with a pissed off driver for an hour.
Are smartphone lasers really the future of shopping
Its popular to hate on uber right now, but we need uber and i hope it survives, the same as we needed airbnb. I had a car crash recently, and while waiting for my car to be fixed had to relay on public transport and taxis.
One is slow, allot of time not available, other is unreliable ( they promise you a taxi but it never comes because thy took somebody else) and expensive.

With regular taxis the supply is limited, they will rather make smaller number of rides per day for bigger price. And that is what everybody in monopolistic position will do ( see Intel when AMD is weak, or any other example ). I dont think we should enable them to do that.

There probably needs to be some kind of regulation, government wants those taxes, but lets not cheer for uber to die.

If uber withdraws everybody will lose.
Benchmarking Vapor vs. Express
There is ample evidence that smoking weed is bad for the health of the respiratory system. However, it is far less statistically likely to cause lung cancer than tabacco smoking. There are a few citations in this thread that should be able back up the claim.

Smoking isn't healthy and no-one should be making such claims. Other respiratory health issues are just as deadly as cancer.
Wikipedia has a list:

https://en.wikipedia.org/wiki/Timeline_of_medicine_and_medic...
Can Blockchain help us track morality of AI agents?
If you get LASEK vs. LASIK halos aren't a problem. I had LASEK done perhaps 8 years ago, and my eyes went from 20/400 to 20/15 overnight.

The entire procedure was incredible including an HD prescription profile generated by scanning your entire eye.

The process is $4k-$5k but with financing comes down to about the same you spend on glasses or contacts annually.

No risk of halos as there is no "flap" cut like with LASIK, no chance it will come loose, and more accurate vision than you could ever achieve with lenses.

The quality of life upgrade is incredible, no scratchy eyes, no falling asleep and waking up with stinging eyes, and for sports it's incredible.

I can't explain what going from 20/400 to 20/15 is like, but basically I walked around manhattan for 6 months feeling like I was on LSD in awe of being able to see the mortar between bricks on the tops of buildings.

I found the best LASEK surgeon in the country and have brought in friends / CEOs from other states and introduced them with incredible results.

If anyone wants more info, an intro, etc. let me know and I can probably get you $500 or $1k off if you end up doing it.
Dashes or Underscores in URLs? Does It Matter to SEO?
They don't actually make clear where the information has been deleted from. But to me it sounds alot like the big fuss at the inauguration when Obama's Whitehouse website was archived and replaced with Trump's.

The stated 'The US National Strategy for the Arctic' and 'Implementation Plan for the Strategy', both sound like Obama policy which would have subsequently have been archived.

Blaming Trump for this is facile at best.

http://edition.cnn.com/2017/01/20/politics/obama-white-house...
9 of the Best Ways to Increase Engagement on Social Media
Mandating the use of an obsolete technology (taxi meter, when a smartphone + app + backend has the same capability) seems like sensible regulation to you ? That regulation was tailor-made to shut down Uber operations, as a favour to the taxi lobby.
I mean, if your note-to-self system is leaving cryptic comments, you should probably invest in finding something more appropriate.

I'm very happy with Notational Velocity at the moment (not sure about cross platform solutions, but I think most systems do similar things nowadays).
Yes, we already have the tech for interfacing nerves. This way nerves can be reached with reasonable precision without surgery, likely without a visit to a hospital.
This book reads you – using JavaScript
I would guess you are from the US?

In the UK, we are taught that the plucky Brits won WWII. I guess you are taught that US won the war. I cannot speak for other countries, but I guess there is more of the same.

For the record, Russia won the war I think it can be argued quite correctly
TLDR: Global warming causes a weakened jet stream, which results in less movement of weather patterns. Less movement makes a normal event 'extreme' by turn rains into floods and droughts. Still highly contested.

Personally, I think it might just be confirmation bias, as the definition of 'flood' changes a lot due to urban landscape and population density.