skysight-inc/HackerNews huggingface dataset:
History has shown that people with exceptional intelligence (at least as measured by IQ) also go on to do rather hum-drum things

Or another way to put it is that IQ isn't a measure of intelligence but rather a measure of indicators that could indicate intelligence.

In other words, having high cheek bones and big lips doesn't mean you're beautiful but simply that you have high marks on the indicators of beauty that we currently use.
Textbook drone delivery: http://pandodaily.com/2013/10/14/zookal-starts-world-first-d...

Cake drone delivery: http://www.telegraph.co.uk/news/worldnews/asia/china/1020621...

Pizza drone delivery: http://www.adweek.com/adfreak/dominos-tests-delivery-pizza-r...

Parcel delivery drones: http://news.cnet.com/8301-11386_3-57601531-76/drones-in-chin...

Beer delivery drones: http://www.billboard.com/biz/articles/news/branding/1561256/...

Taco delivery drones: http://tacocopter.com/

Sushi delivery drones: http://www.youtube.com/watch?feature=player_embedded&v=y9RKX...

General delivery drones: http://matternet.us/our-vision/ http://www.economist.com/news/technology-quarterly/21567193-...

I guess what I'm saying is this has the feeling of a PR stunt.
Jajah shutting down
> Keeping your company stock for a publicly traded company is silly for both the reason above and for another reason that goes one step beyond it: you didn't even pick it!

That's not quite true: you certainly picked which company to work for, and who'd choose to work for a company they don't believe will be successful?

But greeneggs has it right: you don't want to put yourself into a situation where you lose both your job and your biggest investment tanks.
Ask HN: How did you finance your start-up?
Did you use your own money? Did you find an angel investor? If so, where did you look?

Just wanted to get a feel for how people reached their fiscal goal before I dive into trying to fund my own projects.
Would we have more than an order of magnitude more flight traffic than road traffic? I would argue no.

We might. This sort of disruptive innovation could be staggering in scope. I could imagine putting in an order for a weekly grocery bill and having dozens of drones deliver the items from all over the place. Currently, we have an infrastructure that assumes we'll ship myriad items to a centralized clearing house (hub topology). It'd actually be far more efficient to eliminate this redundant, single point of failure and build something more akin to a mesh network. Items such as locally grown produce may even be shipped directly from farm to doorstep.
Buying (investing) and trading are different games.
I think that people blame the ads for the performance and experience issues
I just ate a fish finger sandwich for breakfast, inspired by your post :)

Mayo+pepper in it and it's one of life's joys. You have to fry the fish fingers and drink tea with it though.
tried "Why is my computer " or "Why is my car"?
It's just some pattern picked up by the search engine. no thing is fast enough.
Amazon Prime Air was predicted months ago by Zac Morris:
http://www.techendo.co/posts/amazon-air-predicted-by-zac-mor...
I used to work at a shop that used Gerrit[1] to manage our master branch. Pushes directly to master were rejected, and all commits had to be signed off by a developer other than the author, confirming that a) the tests passed and b) the functionality had changed as advertised.

Motivation to review started low but got quite high once developers wanted their own code merged. Motivation to merge other things without checking started high, but got low extremely quickly once the merger had to fix the tests if they merged a failure.

I sometimes wonder if it's somehow possible to get either one of those (extremely positive) trends in a "modern" github-based workflow.

1: https://code.google.com/p/gerrit/
Sick sick system.
Free Conference Room Use for Start-ups in Newport Beach, CA
That's not "millions of bitcoins"! Also just speculations. Aren't the used wallets known?
You're attributing motivation, though, based on no evidence.
Test drive your Common Lisp application from Cucumber
Say you are building a redistributable app with Javascript clients. People will deploy in behind Ngnix, Apache, IISm ad sometimes with nothing at all.

The last thing you want is to make the deployment harder.
There was a joke story based on the same idea.

A recent grad looking for a job with an investment bank picked 64 banks and sent each of them a letter introducing himself. To a half of them he also added that next week Ford stock will be up and to other half he said it would be down.

Next week, one half of the banks were off the list, because he was wrong. He split remaining banks in half again, sent another letter making his up/down prediction and repeated again for 4 more weeks. After 6 week there was just one bank on the list, but it was the one that saw him make an accurate prediction 6 times in a row. And so he sent them the job application.
How long would you stand a retina display that has only has 10% of the contrast of your current monitor?
In case you haven't heard of it, you might want to take a look at LeanPub, who specialize in books that are published while they are being written, have a particular focus on Software Development books, and accept manuscripts written in Markdown stored in a Dropbox folder. You can then take the finished LeanPub book to a print-on-demand company like Lulu or CreateSpace to created printed books as well:

https://leanpub.com/authors

I actually assumed you were making a LeanPub book, and was considering buying the work in progress.
All are pronoun fixes ...
Trading stocks as you said is not for everyone, you should try investing in individual stocks if you can read the 10K.
This was discussed in the August review [1]. Basically, they found ~3500 problems, and whittled it down to ~1200 after removing just one warning about a strangely implemented macro. This is similar to many other static analysis tools (e.g. findbugs)...you have to work the ruleset for your app sometimes.

1 - http://www.viva64.com/en/b/0205/#ID0EV4AO
And then they leave it at my doorstep, sometimes even skipping the doorbell, where my neighbors and members of the public can steal the package at will. It's insane!
Scala is pulling out of that phase. Scalaz 7 removes a lot of the less-readable operators (e.g. you now have to write "Kleisli" rather than "☆"). The Requests HTTP library, long mocked for its periodic table of operators, has fallen out of favour (I'm not sure it's even maintained any more).

I can't speak for SBT because I don't use it, but Spray is probably the nicest library for defining HTTP APIs I've ever used, in any language. As for type inference, yes it's imperfect, and maybe disappointing for someone used to Haskell, but coming from Python I found the set of type annotations I needed to add to make my Scala compile was a subset of the ones I wanted to document anyway.
GMail attachment hint with misleading message
So it needs to be UHD _and_ e_ink. There goes the "UHD is everything I need" argument
State of Clojure, problem areas
That doesn't qualify as simple in my book though. Javascript has fewer concepts that programmers need to keep in their heads, but they are horribly inconsistent and quirky. Python, on the other hand, is consistently designed so that there are very few cases where you get hit with unexpected behavior.
Nine global megatrends that'll shape government
Might this mean that we can resume the sexual revolution?
Actually, our "selection ability" doesn't need to be above average, since the average stock picker is not picking index funds. Index funds are used to proxy the average of the product (market), not the professional investor. Since index funds are the theoretical alternative, that's all we'd need to beat.

"The market" is majoritarily made-up of professional investors actively investing. So "The market" is the average result of all those professional investors. So you are saying you have stock selection ability that is above average if you choose to pick individual stocks.
That was the first thing that came to my mind. It would be interesting to know if that was what inspired amazon or if there was some earlier source that inspired both.

Edit:

Fast Times at Fairmont High was a reworking of an earlier short story Synthetic Serendipity, which is available online:

http://spectrum.ieee.org/computing/networks/synthetic-serend...

> "But don't worry about us." Fred looked upward, somehow prayerful and smug at the same time. "'FedEx will provide, and just in time.'"

> "Jerry was looking upward, at the FedEx shipment falling toward his outstretched hands."

Vinge also has them doing things other than delivery:

> maintenance UAVs flitted like bats around the canyons, popping out nodes here and there.
That's certainly true, but assuming the science is correct on this issue, we're squabbling over who gets which bits said of the houses while they're burning down. With us in them.
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BTW, as far as I understand Project Oberon uses Oberon language, not Oberon-2. Main thing - there is no inheritance and instance methods, they are achieved via aggregation and function tables.
A simple example: consider scalaz's NonEmptyList[T] class, which turns a failure to populate a list into a compile error rather than a runtime error.

A more complicated example. In one scala system I worked on we had a master/slave postgres db system. We were replacing a legacy RoR system with a Scala system, and in the RoR system there were all sorts of data inconsistency errors caused by people writing to master and reading from the slaves before replication occurred.

In the Scala system which replaced it, we set up a monadic action system. A function which hit the database would have a type signature either PReader[T] or PWriter[T] - this was the only way to access a java.sql.Connection short of manually calling jdbc. Combining the two forms yields a PWriter:

for {
_ <- putObjectToDB(args)
obj <- getObjectFromDB(args)
yield (render(obj)) // is a PWriter[_]

The whole operation runs in a single transaction against the correct database, and any attempt to do the wrong thing is a compile error.
1.3 they are planning to have contiguous stacks
The sample plot is wrong. Domain of sin x + log(x+1) derivative is R - {-1}, so there must not be any vertical line at x = -1.
It's strange to me that the "prudent"/"rational" thing to do as a retail investor is to park your money in index funds/ETFs. I don't doubt that it works, but I wonder why.

To me, it's totally irrational. By virtue of being included on an index, a stock spikes in trading volume as all the index funds/ETFs adjust to include it; vice versa if it ever gets removed. These transactions aren't free, in fact the simultaneous dumping/buying of the affected stock serves to drive the price further in the favor of sellers or buyers (i.e, not you). And none of that money is coming from rational investors, it's coming from people with no understanding of the stock market blindly parking their money in index investments, which then blindly spew it across a bunch of blue-chip stocks.

So it seems to me like any stock that's part of an index/benchmark is being inflated by index funds. But as long as people buy into the idea of index investing as smart investing, there's no way to bet against it.

Sounds vaguely bubbly to me.
So, if trading stocks is folly for the vast majority of people, why do so many trade stocks? Is it nothing more than the same reason that people play slots or buy lottery tickets?
You are correct that India was colonized by the British, and the Empire extracted wealth from the subcontinent while creating institutions of debatable value; it should also be noted that England was previously within the dominion of Rome, and later France.

I was not attempting to fully describe the differing circumstances surrounding industrialization of different states (, as I do not have the knowledge or ability to write a complete account); instead I tried to show that they have experienced different opportunities and circumstances through a limited example.
It's partly culture; Scala makes types that little bit easier to use (e.g. case classes, type inference), so things that you might pass as an untyped Map[String, Object] in other languages, you tend to pass as a case class instead. e.g. using spray in scala, the type system will catch if you misspell a HTTP header, because, as the article complains about, they're represented as types.

(Though of course there is an escape hatch, you can use RawHeader(name, value) if you need to).
To prevent people from shifting their wealth from CNY into USD.
Easy .co + Heroku Hackathon Setup
What shocks me is how long it took for someone to think to run this simple and rather obvious experiment.
Type aliases don't solve that problem. You need to use something like Shapeless' newtype.
وظائف خالية بجريدة الاخبار والاهرام والجمهورية اليوم الاثنين 2-12-2خ13
It's definitely an interesting area. However, I would start with paper trading (as other comments have suggested), as it is extremely easy to lose a lot of money in quant trading if you're not careful.

There's plenty of "academic interest" to be had without risking any real cash.
When I read about Scala the first time I felt it was awesome!
I bought some books and tried to get into it.

But when I read production code it was aweful because of all the DSLs.

Scala does much to reduce code to whats necessary, like python, but there is so much more that it does, which confuses the code readability later :\

The DSLs also lead to bad API design.

The devs are always like "uhuuu if you don't like the DSL just use the normal functions" and write the horrible DSL stuff without the DSL.

(asd ~! fdd %%% sdasd) gets to asd.doSomethingRatherComplicated( with( fdd ) ).alsoGetSomeStrange( sdasd.compile() )

It looks like they are using the ability to build "easy" DSLs as excuse for bad API-design.
It's not impossible, but it's harder in Scala. Actually the closest comparison I could make would be Python, where I had a similar experience - as soon as my code stopped producing errors, it was doing what I wanted it to (the difference being that the errors were at runtime rather than compile time). Whereas in Java and C and even ML I've written programs that compiled correctly but did something very different from what they were meant to.
If CO2 emissions are truly an existential threat to the world's population then, aside from other obvious steps, the wealthy countries of the world should be subsidizing the adoption of carbon neutral energy sources in the developing world. Asking the poor to forgo stepping up into affluence is too much to ask and immoral in the extreme.
China successfully launches unmanned lunar probe
I really don't see this coming before self drivinng cars/van will just drive to your location and open up a hatch for you to collect your goods. Drones are only good for short ranges, light products and not to dense populated locations. Auto driving cars ars would be a hell of a lot more flexible.
Last I checked (and this was a long time back), Oracle is actually re-spinning CentOS. Edit: http://www.linuxinsider.com/story/72012.html
> If your calculations say it's likely to be a good investment for you then that holds even if the company is public.

No, it doesn't because you still have to buy and sell your shares on the stock market, and if you do that at a time when the company is grotesquely overvalued you could end up losing money over a quite long timeframe. And even in a normal case the "noise" of the stock market can easily neutralize the advantages of your fundamental analysis.
Just paint the logo black. Or as close as you can get to the rest of the front's color. I'm doing this on all my Dells (using a paint marker), including a dot over the light of the power button.
Duly noted. Thanks.
Congratulations on launching. I like your presentation but there seems to be a lack of content, like where you source the beans from etc. I'm sure most coffee drinkers will want to know things like that. I felt like after going through the site I didn't really know much about the service, it left me with questions
is that the same character on the tv's in eminem's new video? http://www.youtube.com/watch?v=XbGs_qK2PQA
What if someone is collecting everything, including the misses, from bitcoin mining and running some sort of statistical analysis on it to determine if there are patterns in the noise.
The Biggest News in the Healthcare.gov Report: Just How Bad It Was
You don't have to use types, but if you do then the type system guarantees your checks are exhaustive, which is more effective than manually checking you've covered all the paths.

I really like the spray way. You can add a custom/nonstandard header by using RawHeader(key, value), but most of the time you use e.g. Headers.ContentType(MediaTypes.`application/json`), and it just completely eliminates a class of trivial but annoying bugs.
Better known in the UK as an austerity sandwich - the cheapest meal you can make.
"serious JavaScript development" - best oxymoron I have seen in a while!
TechPeaks Demo Day LIVE STREAMING
This is the 2nd "Show HN" coffee startup this week. Am I missing something? Is it so hard to go to the store to buy coffee when you're buying the other office supplies?
Creating SSH Tunnel on-the-fly
This looks like a rather cheap way to "buy" drone components.
Even if you only invest in low-cost index funds you can usually beat the market by following this advice:

"Be fearful when others are greedy and greedy when others are fearful" - Warren Buffett [1]

That means if the Fed Chairman is talking about "irrational exuberance" sell. If people are talking about another great depression, buy (but only with money that you won't need for the next 15 years).

[1] http://en.wikiquote.org/wiki/Warren_Buffett
I totally understand the sense of injustice here, but it doesn't actually change anything. This isn't really a question of what's fair. Climate change is an actual real thing that really does have to be dealt with, and it's pretty much impossible to deal with without the two most populous countries on board. Questions of ladders and cycles and all of the past and present irresponsibility on the part of Western countries doesn't change that. I'm pessimistic about the whole thing because I think the US and other rich countries will balk on it too (or just break it down the road), but that doesn't make India less wrong about it.
Sorry, but often this is what is behind of age restrictions.
That sounds vaguely like what I know as "light mayonnaise", essentially mayo cut with more oil & water and some emulsifiers, and less egg. Is it a matter of degree, e.g. some proportion is "light mayo" and another proportion is "salad cream" or "miracle whip"?
I wrote some R scripts to perform historical data-driven asset allocation for long-only, low-load funds investment for the long term. This seem like a good time to put it here: https://github.com/Quantisan/touzi

It scrapes not only price data but management fees, etc to minimise cost and risk. The goal is not to make profit but just to keep up with the market but at a lower risk.
If you read some of the other articles in this thread, there is specific mention of a recent supreme court case ruling in 2009, "Melendez-Diaz v. Massachusetts", where it was found that the accused are entitled to face expert witnesses as their accusers. This means forensic analysts are forced to appear in court more often.

The forensic analysts are government employees. This means that they are almost always providing evidence that implicates the accused in the commission of a crime.

When a case goes to trial, the prosecution only includes evidence that proves guilt. At the very least, if it proves neither guilt nor innocence, they exclude it from their exhibits as irrelevant. Prosecutors don't even look for opportuinities to prove innocence. That's not their job. That's up to the defence. They deliberately engage in tunnel vision, biased only in favor of guilt. If they have evidence that exonerates the accused, they simply drop the case. They have to. But that outcome is deeply undesirable to the prosecution, because it opens the door to wrongful arrests, police harassment and other liabilities.

The disturbing part here is that she was rubber stamping evidence in favor of guilt.

What if her behavior correlates to the DEA's program of parallel construction using inadmissible evidense collected by the NSA and shared with the DEA, thus provoking a premature conclusion of guilt, where the court case was then reversed engineered to align with the illicit intelligence?

If she were playing a role in that capacity, this would represent a far more serious problem than a single "rogue" chemist... She would merely be a patsy, a useful idiot, taking the fall for a much larger institutional debacle.
Transparent OAuth token refresh using ReactiveCocoa
The gentle art of cracking passwords
Actually I just want to reiterate, regardless of typing problems that CAN exist and be prevented by a compiler, I do t ha e those problems in my codebase and neither do most people.
Relevant song: http://www.broadjam.com/artists/songs.php?artistID=35045&med...
Bitcoin mining generates 160 quadrillion bytes (160 Petabytes) of misses per second. The limit would be the amount of data that you could reasonably store and analyze, and we were at that limit long before Bitcoin came around.

(Although you can't actually collect the misses from other miners, because they never publish them).
You only have to know more than half of the market.
Well the same questions still hold, don't they. Let's say short-term trading is a zero sum game (it probably isn't, but it's not much in the plus, either - I'd like to be proven wrong though). Then the question becomes - what do you think you have to bring to the game that will put you ahead of the bottom 50%. Or bottom 25%, if you can stomach losses that big. Keep in mind that 90, 95% or so of the people playing your game are professionals with large institutional backing, advanced degrees and years of experience.

You could argue that the bottom 50% are just the suckers - but of course, those who are worse than them have already been selected out. So the 'losers' you're competing with are either the newcomers, or those who did well in the past but are having a bad spree now.

What is going to be your strategy? If you're just going to apply Black-Scholes, well there are 1000's of people already doing that much better than you ever will. So you need a unique approach - either industry insight that you can quantify somehow, an unexplored statistical approach you know more about than most others.
By the looks of it the first layer of steak is made up of pieces of two steaks.
Since the hypothetical brokenness of SHA256 is unknown, can we be sure there is a "correct" way to implement "other purposes"? Surely, it's conceivable a new attack could exploit an unforeseen weakness in all those uses.
What would it take for Node to be taken out from under Joyent's arm to be setup as its own project?
I worked with the article's author. The build system mentioned was not sbt but a custom, in house, thing that was really just a medium sized Scala program that was used to build a number of large C++ programs, libraries and some other things). There were no build scripts but just raw Scala code fragments distributed over the hundreds of directories involved. Overall it was a pretty awful system but it would have been awful in any language given the approach taken (I hated it with a passion).
I tried Go for the same reasons. It looked to me like a statically typed Java, but in practice it was not the best experience. The Code is not more expressive than Java, but you lose all the good libs and tools from Java. Most annoying was the in ability to create concise mocks, because you cannot implement interfaces at runtime with Go.
Sounds like a lot of fun problems to solve, and I'm sure they have many competent engineers working on it.