skysight-inc/HackerNews huggingface dataset:
Although the title is "Bayesian financial models", this article describes no Bayesian financial models. It gives an example of Bayes' theorem in action (the usual medical "probability of false positive" one), and then gives another toy example in which the events we're looking at are labelled "happy/sad market sentiment" and "stock price increase/decrease" -- and that's it.

I guess this is part of a series on probability or quantitative analysis or something[1], and there will be more contentful stuff later in the series, but I don't see how anyone's going to learn very much from this one.

[1] Looking at other articles on the site, it looks like they're all about quantitative analysis. They all have rather the same character as this one: they introduce some notion (binary options, "Greeks" (first partial derivatives of derivative price w.r.t. various things), etc.), they state some definitions and maybe give a toy example or a couple of formulae, and then they stop.

I assume the toddmoses who posted the link to HN is also the Todd Moses who wrote the article. Todd, if you're reading this, would you like to say a few words about the intended future direction of your articles? Is the idea that they will form a kind of informal course on the elements of quantitative analysis? Will they be getting "deeper" than the ones so far, or are you intending that they will all be basically giving some definitions and a few words of explanation?
I do not understand bitcoin and the blockchain. Isn't your bitcoin tied up in the mathematics the blockchain? Will those who trade away their money on one blockchain be able to retain it on the other blockchain? Will they synchronize the ledger in some way?
Apple car clues emerge from letter to test facility
> It exploits your very human needs and desires to create wealth for its shareholders.

Well, at least you admit to supporting an inhuman, inhumane horror-show of an institution. At least you're honest and willing to use the word "exploit".
Eh, rails is ten years old now. That's pretty respectable, and it actually seems like it's on its way out.

It's also worth noting that Facebook is built on React for javascript, which falls under 'new-fangled frameworks'.

It's also also worth noting that MANY companies are still using a Java stack (with Tomcat or JBoss).
Might gather some interest on https://www.reddit.com/r/apljk
Right, I get it. That's logical but this is Apple we're talking about who used vagueness and distortion of their rules to outlaw stuff like this in the past.

Keep in mind that Apple have their own ads network as well, another reason why I'm surprised they'd allow this in the first place.
I encourage you to learn to negotiate better. Just like hen companies go from round A to round B, their share price should jump up. ;)
It's not hostility. It's just that you're a very passionate Mozilla employee and a very passionate creator of asm.js. And from past experience I expect that you'll be willing to continue a debate longer than I can. Plus, you already know that I have reservations about asm.js, and it's just not worth rehashing that debate (accepting that WebAssembly appears to be heading in a direction that addresses most concerns, so I should offer well earned kudos on that front).

Getting back to your point, pragmatically speaking, maintaining a port is a distinction with less difference than implied. First, any reasonably complicated NPAPI plugin needs to handle a range of browser-specific quirks, meaning that significant porting is unavoidable even if it's bundled into one binary. Second, Unity supports ActiveX in IE, so they're clearly already comfortable maintaining a browser-specific port that doesn't offer any of the security or platform portability benefits of NaCl.

Outside of that, there's just the one-sided nature of the argument. As a creator of asm.js you are obviously a huge proponent. However, you must appreciate that not everyone perceives it the way you do, and not everyone agrees with the path you chose for adding support into Firefox. So, the technical burdens on another browser are just not the same, and in the specific case of Unity in Chrome have to be balanced against the fact there was already a tremendous past investment in a high-quality implementation.

So, no, I completely disagree with the framing that "Chrome has left Unity no good option". Independent of any work in Chrome on better supporting asm.js, the fact is that Unity had at least one other good option. So, I'm sure Unity had their reasons for the path they chose, but it was and continues to be a very explicit choice.
1) Since he seems to be talking about mathematicians, that's actually likely - but not necessarily relevant.

2) Mountaineers climb mountains. Musicians make music. Artists make art. Developers make code. To varying degrees, everyone suffers from the same problem. And people who are exceptional in their fields are far more likely to find not pursuing their passion intolerable.

3) Considering how useful pure maths turn out to be - often in completely unexpected ways - I'm quite happy to leave pure maths types to do what they do.

Even if the hit rate were one gamechanger a century, that's still an exceptionally good return. (The actual return seems to be much higher than that.)
Well put. Also, it is important to point out that the about text (now blanked) in the user profile page could have induced other users to suspect trolling.
Not much to go on, I admit, but interesting nonetheless.

The question is the extent of what they are building. Are they, as some have said, intending on creating an entire Apple-made car?

Or are they perhaps content with providing sophisticated software for already-established car makers to use in their vehicles?

My guess is the latter, but . . .
So right, it is not his responsibility to inform and educate, however his article is a great tool for the ones that do want to educate and help companies in NL.
I released an android game using HaxeFlixel and the process was relatively painless, actually I was suroprise at how well it run on my device and how flawlesly things like immersive mode and in-app purchases were implemented.

But again, it as last year, so I assume 3 years make a huge difference in development, plus Haxeflixel is a haxe framework tailored for making games. To whoever might be interested in diving into it, we shipped a nice amount of polished finished games: http://haxeflixel.com/showcase/games/ (Mine is polaritron)
A lot of people on HN and other places on the internet believe that everything is the result of class problems. And class problems are completely independent of race.
Actually that's probably based on lists of Olympic budgets, and actual costs which gets cited pretty often. Very often olympic cities spend more than they budgeted for, and that's considered a loss.

That however has everything to do with X (how much is budgeted, and how much was spent. i.e. what was the cost), and still absolutely nothing with Y (actual revenues/benefits). That was his entire point.

We have to remember that the budgets aren't necessarily meaningful because politicians have to sell their own taxpayers the idea of applying for an olympic bid with a budget. Obviously that budget will be severely underestimated to create as little resistance as possible, despite the possibility that the true budget which is higher, would still be worth it. This isn't always the case but my point here is that the politics are set up such that there are good reasons to underestimate the true budget even when the true budget is worthwhile for the city, and thereby end up registering a net loss because you ended up going over budget.

For example, Brazil could very well benefit from these olympics (although it's too early to tell). Yet their projected budget was less than $2.5 billion, despite the fact last two olympics averaging $25 billion in one country richer and one country poorer than Brazil. Obviously budgeting $2.5 billion is a complete and utter joke, and everyone knows, everyone, that it'd be way higher. But it doesn't mean it's a loss to the city.

Meanwhile when China spent close to $50 billion, but early reports showed it was a tiny bit cheaper than its budget, it didn't mean that this in and of itself constituted a profit, either.
Your sidebar overpays the text on a narrow screen, making it impossible to read. People can scroll, your navigation does not need to be visible all the time.
I don't have a reddit account, but feel free to post if you want to.
Secondary reference to original Guardian article discussed yesterday: https://news.ycombinator.com/item?id=10062134
Well, there are women athletes, so that wouldn't work. (Entry to Mount Athos is only allowed to men)
For most people nowadays, "the cloud" probably doesn't have anything to do with accessing an FTP server... specifically not a public FTP server unless the cloud hosts are absolutely careless...

I remember using sites like http://ftpsearch.ntnu.no probably 15 years ago to find very interesting files on public FTP servers (but I don't think that this one exists anymore)
While I have a place in my heart for APL and its derivatives, my problem is that I can't use it outside its finance niche. I have several books on APL and its applications, looked into some implementations, but I didn't find a way to bring it into my current projects.

Then the community is kind of dying out, at least over here (Germany).

This is really bitter for me. APL is fun with the intellectual satisfaction that comes from arranging the symbols, the beautiful theoretical background and the clear approach to doing things.
You need a constant "stay awake" feedback loop. Just power through it.
Lightning Network is a system that merges a collection of transactions over so called payment channels to an LN hub into one on-chain transaction. It is designed to add as few trust requirements as possible vs using standard transactions (a multisignature model is used with the hub to prevent any possibility of direct theft, as one example of a security mechanism).

The idea is that your wallet commits a number of coins to a payment channel at one hub, and then payments to and from other LN users are routed along payment channels across hubs. This means less blockchain bloat, faster verification (you trust the hub to not sign conflicting transactions, because doing so is proud of fraud valid in court and kills their reputation in 5 seconds) and cheap transactions.

It still needs larger blocks, because adding funds to payment channels and taking funds out of then requires on-chain transactions. With millions of users, 1MB isn't enough.
Amazon treats SDETs much nicer in my experience. I can't really say why or how that is, but that's my experience. They seem to be shielded from the bulk of company politics, and don't seem to be common targets for throwing other people under the bus.
Odd that the conclusion of such a meta-analysis would be a list of what doesn't work. Surely we should be as interested in what does work.
I'm not making excuses for them (see my other comments in this thread). But I think that one thing saving other companies from being like this is that they don't feel monetary pressure to do so.
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I've been using it for image processing. Its perfect with the matrix data type. I also like to write preprocessors for APL code.

Any good books to recommend?
FIFA takes the bribes, it doesn't give them (well, probably that too, but they aren't begging and bribing South Africa and Qatar to take the games)
High Levels of Lead and Cadmium Found in Soylent
I never understood why "new" companies would go to JAVA.
It's more of a hyperbole for food for thought and to kick-start discussion.
Previous title said: "I scanned a country on port 21 and analyzed the data". The country is The Netherlands.

Is there a way to contact the server owners to tell them about this? I feel bad that so many servers are open possibly without the knowledge of the owners.
No, the no-AC thing is old news, from when they were still mostly selling books. Books don't really mind the heat, so Amazon didn't give a shit.

Now that their warehouses have a bunch of other shit in them too, to my knowledge, they all have AC.
I wonder how much wall street is invested in silicon valley. If they're smart I'd say "at least enough to matter". (ie. if we go down, you go down. Let's just work together / be friends...)
The XT developers could probably defend against the "decentralization" argument by implementing IBLT to speed block propagation and ultimate blockchain compression to reduce disk usage before increasing the block size. But that would probably take years and they don't have years, so never mind.
I'm not even sure they would fix it at this point. They'd probably tell me to upgrade to CM12, which I would definitely not want to do considering how much more buggy it seems to be.
Mossadeq was authoritarian, not democratic.
Not all companies use Java for the language. Twitter switched from Ruby to Scala for their backend because of the JVM's performance.
It is not my responsibility to email every single person running a sensitive public FTP server. It is my responsibility to educate those that have the power to positively influence the situation more than I ever could - ISPs.
Oh boy. Author talks about SQL injection, but apparently knows very little
about DBAPI (PEP 249). Placeholders, dude, use placeholders!
Ask HN: Drupal or from Scratch
I've been using PHP for many years and I consider myself at least competent. I have worked with many framework and understand the learning curve they come with.

However, I have a client that wants me to work on a project. It uses Drupal. It was recommended by his PM and the team that first started building the website for him.

Now he parted from the team and wants me to continue the development. I feel stupid for not understanding Drupal at all. I read documentations, tutorials, watched videos and it still feels strange to use it.

This project is not even a blog or article driven. Making the smallest changes is a hassle. I managed to build a Prototype using an MVC framework in a couple of days, much easier.

I have tried to tell the client that it is best to leave Drupal behind, but Googling comments about Drupal and reviews only yield more reasons to use it.

Am I the only person thinking using Drupal for a non-CMS project is more work that needs to be?
I'll grant you all of those points, if you use Cython to compile your code to native or use a native library to do the expensive parts of your code, then it works out fine. Both of those get around Python's inherit slowness by doing the costly things outside of Python.
Rent everywhere in Silicon Valley is insane, and the VTA will take you between 1-2 hours to get anywhere (seriously; Mountain View to San Jose is an hour by public transit, but only 10 minutes by car if there's no traffic, or 30 in rush-hour traffic. Mountain View Caltrain to Googleplex is about 45 minutes by bus...it's about 5 minutes by car and 15ish by bike).

If I were moving and wanted to avoid cars, my first choice would be to live and work close to the Caltrain and take that. My second choice would be to live within biking distance, eating the elevated rent that tends to cause, and bike. If you go in to work around rush hour and have to cross 101 (via either Shoreline or Rengstorff), biking can frequently take 1/2 the time as driving, and even walking is comparable.
We had a variant of this system where I went to school. It was enjoyable as it yielded a lot of free time and autonomy (even if taking an above average number of classes) but it's hard to say whether it had any meaningful impact on overall student performance. My school district was also reasonably wealthy, so there weren't a lot of people failing out or performing very poorly to begin with.
I'm referring to "the curve" when I say forced failure. Grading models at public and private universities require that x% of students receive a failing grade. The goal is not to teach the student to be knowledgeable of subject X but to rather weed out those who do not cross a subjective proficiency threshold.
What's at the intersection of mathematics, programming, and hardware?
Are there any practical applications or new technologies at the intersection of mathematics, programming, and hardware?
PHP (Laravel 4)/Postgresql or Cassandra/jquery

For back end, I run Vagrant + Ansible with PHP composer

Front end, it's bower + grunt

My other tools are Vim + Tmux.

For data and webscrapping I use scrapy (python framework).

The current project I have is what I've listed and going to learn Apache Spark and Elasticsearch. I'm currently stuck on learning Ansible to provision stuff.

I think many worthwhile things are going to require some learning curve whether it's steep or not is more up to the individual.

I'm putting off AngularJS, EmberJS, React stuff. I think it's to early. Likewise Docker and container are too early. I'm waiting on perhaps Docker 2.0 and some technical book out. Kubernates in my personal opinion is really an Alpha software there are many caveats.

I'm thinking of moving to Django/Python stack in my next project and tinkering with Apache Accumulo.
In the case of Vancouver, the city got a massive and much needed upgrade to the light rail system that might never have happened without the Olympic budget.
In your penultimate sentence you have in fact, hit the nail on the head. If you want to know how the politics of a society operates, the classes and praxis you are deriding are actually a pretty good way to find out.
One of the links goes to a chart from the study author that ranks interventions by estimated effect size: http://visible-learning.org/hattie-ranking-influences-effect...

There's a definition of some of the terms here: http://visible-learning.org/glossary/
Why not? It's a net loss for most places but it could be a net gain for them. They invented the stupid Olympics in the first place. It's a nice place for a summer holiday. Might as well.
But the annual budget of the non-profit Internet Archive is probably the same as Google's annual budget for White-Out and blue pens.

Dear Googlers (er, Alphabeters?) and others, please consider making a tax-deductible donation to the archive:

http://archive.org/donate/
https://news.ycombinator.com/item?id=10058491
Its a list of what doesn't work and recommendations to counter them. It is giving options for what can work, but isn't practiced enough to be certain of.

Also, circumstances are different everywhere, so you can't just solve everything with an easy answer.
This is a great reference that I relied on while struggling with my own implementation:

http://blog.notdot.net/2009/11/Damn-Cool-Algorithms-Spatial-...
https://news.ycombinator.com/item?id=10066432
Zenefits Kane
It's true anyway. The limited depth means it has a finite number of states, regardless of the length, and that's all you need for it to be regular.

But this is a technicality and it should in no way indicate that a regex for HTML would be a good idea.
Well...no hard and fast rules here. Look at Van Gough. He saw and did what everyone else did. Then went off and did what no one else had done. Makes one wonder what effect the environment at Apple or the Googleplex has on a mind like that.
> So your evidence that the public doesn't care about the revelations is that the government

OP thinks that because the people are supposed to be in charge of the government. If the people really want to change something, they should be able to change it - i.e. see what happens in France when an elected leader tries to take away a single day of maternity leave or change benefits - literally millions of people rally in the streets, then that person gets voted out, almost immediately.

Now, if the people of the United States are not in control of their government, you have a whole 'nother issue to solve.
So, yes, some implementations of regular expressions are Turing complete because they run arbitrary code, but that is rather the opposite of a way to make parsers safer.

On that note, once you can run arbitrary functions on your matches, you could match /.*/ and then the function you run is html5lib.parse. Is that still a regular expression?
Exactly, thanks for stating it more clearly than I did. The NSA isn't claiming credible evidence of a specific threat to justify this for a limited period of time – they're collecting everything and sifting through it, in order to try to prevent harm caused by an open-ended and non-specific threat.
It's not ideal but reasonable. I lived in Campbell and took the VTA for 2 years: http://www.vta.org/routes/rt902 -- it's about 1.25 hours one way. I used the time to catch up on reading.

I'd suggest living somewhere along the green line so you don't have to do any transfers: http://www.vta.org/routes/rt902. Campbell/San Jose are going to be cheaper than Sunnyvale/Mountain View.

You may also consider using the Caltrain instead. It's faster and cleaner. But there are less frequent trains and stops are more spread apart: http://www.caltrain.com/stations/systemmap.html -- the Mtn View station is a main one which most bullet trains stop at. Rent will be cheaper between Redwood City <-> San Bruno and Santa Clara <-> Tamien. Be careful going south of San Jose Diridon though, that's the final stop for many trains.
I think I see where you're coming from. Overall, I think it's hard for us to estimate how much effort it would take for Unity to support another platform. Perhaps I was overly pessimistic when I said supporting a platform just for a single browser is too burdensome; perhaps you were overly optimistic in saying that maintaining their existing port would have been a good option. Only Unity knows the answer. So I admit you might be right on that point.

But the more important thing is that I disagree on the effort it takes to optimize asm.js. As you can see in those forum posts, out of the 4 major browsers, mainly Chrome is presenting a problem to Unity developers. Yes, it takes some work to optimize huge compiled codebases well, but Google has talented engineers and massive resources. I refuse to believe that Chrome cannot match the results of the other 3 browsers - it would be insulting to the v8 devs to assume so. Since the ability is there but the results are not, I can only guess that the Chrome developer's focus is elsewhere.

And of course there are many other important things to optimize on the web. But Unity and other high-quality 3D games are very important too. Chrome is holding back this part of the web, right now - I hope not for long.
most of our games we are publishing are developed in phaser.io

http://games.famobi.com/action/taptastic-monsters

http://games.famobi.com/best-games/fruita-swipe-2

http://games.famobi.com/puzzle/flow-free
As corporates have always done; co-opt actually sustainable ideas for their own needs. Hexayurts are deliberately not patented and free as in free speech, not free beer. The social bandwidth allows the idea to propagate naturally without being MTV'd and made microwaveable for the masses
Google: Letters of intent
Show HN: Motivatr – productivity insights (Asana)
https://motivatr-app.herokuapp.com

Quick n' dirty visualization of when you complete the most Asana tasks by hour. Let us know what you think and what you'd like to see!
It would be nice to see the process behind this, it's hard enough to convince a company to donate $100 let alone sponsor a conference or a project.