skysight-inc/HackerNews huggingface dataset:
Is there a good resource for what would actually happen to the power grid? I was under the impression that the large near-DC currents induced by the changing magnetic field would destroy the wires, burn through insulators, etc., regardless of whether everything is shut down.
> Open source engines are typically more difficult to work with since any source code can generate compile errors and updating the game engine’s source code is prone to generating such errors.

I can understand where the author is coming from with most of his points about open source, but really?
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I don't understand this attitude. Would you feel the same way if someone put up an ad saying "learn to drive in 3 months"?

A couple of years back I went to one of those "driving camps". It was enough to land me a driver's license in Sweden, which has comparatively high standards. Did I become race driver? No. A professional driver then? No. Do I know all the parts of my engine? No. I can drive my car from point A to B relatively safely and I know how to check the oil, but that's pretty much it.

You have to start somewhere. A lot of people aren't getting exposed to programming in a useful way - compared to say, driving, counting, reading and writing - and this is a good way of starting out. What's the problem with that? If you are starting a delivery business, perhaps it would be useful if you delivered the packages yourself rather than hiring a professional truck driver.

As for the reason of this being on the front page of HN: One thing to keep in mind is the fact that it, along with a gazillion other articles on the same subject, represents a change in availability of education in our industry. That and link-bait for the Zuckerbergians.
There is different way to read the article. It says that the current fashion for rapid development using Ruby/Javascript/PHP/<insert interpreted language here> is great, but eventually, to enable you to scale effectively rather than just buying more EC2 instances, you will have to identify your bottlenecks and reimplement them in more efficient languages. This involves hiring experienced software developers who can develop secure C/C++ (I might as well mention Java, I don't like it) without the code being available to everyone.
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"closed as not constructive"

Many of the highest voted questions are it seems. I don't know if this is just a sign of overly bureaucratic moderators, or if at it's core stackexchange is actually resistant to it's users wishes.

Either take the question down or let people continue growing it.

This questions is a perfect example, I would expect solarized to be up near the top in a current poll, but this poll is now forever frozen in 2009.
I'll begin:

1- Since dropping from College, I decided to change friends. Facebook allowed me to get back in touch with older high school friends and also find new friends in the same area as me.

2- The Internet allowed me to work remotely to foreign companies. Skype, Github, basecamp... manages my projects and workflow. These technologies made it possible that I make a very good online income while staying at home.

3- I bought a Nikon D5100 the last week. I'm taking photos of everyday life and events, re-touching them and saving them (not in Facebook, just plain JPEG in computer) for the future as memories.

4- My SmartPhone, Tablet, and TV do a lot for me everyday. (productivity, communication, learning, and entertainment)

The issue is not with technology, but with using it. Some BigCorp makes addictive technologies to boost their earnings (online/social videos games). I play video games, but I'm a light player. Few hours a week.
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This seem to really have become the case.
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It didn't matter if it was Google or another company to them. What was putting them off was the thought of having to manage yet another online identity and remember the credentials. These people aren't power users. They can just about cope with doing an online search, and occasionally sign into their web mail to read and send messages. The one member who had a Google account had no problems.

I could have just emailed them the document. But it was a work in progress. I just wanted them to give it a once over.

In part this is why Google are integrating their services in the first place. Centralising signing in increases the chance of participation in their other apps.

It's a case of what you already know and anything beyond that is a barrier to entry.
At first I thought it mean preventing packages from breaking when they are piled one on top of another for storage. To preserve fragile products inside.
Most licensed game engines are licensed with source code to allow modifications. Unreal is not open source, but most developers who use it will get a source code license so they can modify the source themselves. It is very common for game developers to re-write entire sections of the code.
I can understand the attitude - and your counterexample. I know a few people, who have law or humanities degrees, who can come up with some working Wordpress installation or some web form much more quicker than I could (I've been programming since 12). And I would love to see more people being able to automate their everyday tasks - and more and more people can. But the problem of programming I guess is that the limit is really your mind, and that's a bottomless pit. I'm still learning to develop an instinct for code, a feeling for balance between necessity and clarity. And I don't feel my journey will end sometimes soon.
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Why so much emphasis on the negative aspects of aurorae? More constructive would be to devise ways of harnessing the solar wind. Just consider: no lossy conversion from one form of energy to another; solar wind is 'electricity'.

In the 1950s, SF writer Murray Leinster already had the idea of drawing energy from the ionosphere (for spacecraft 'landing grids').

Scientific American in 1974 had an Amateur Scientist article about electrostatic motors, which are powered by atmospheric electricity. (And how many times in history has a curiosity led on to something with rather more tangible benefits...? (http://en.wikipedia.org/wiki/Aeolipile))

And recent experiments with lasers demonstrate that it is possible to open up a channel of ionized air to direct lightning (http://www.newscientist.com/article/mg21328584.200-lightning...).

All that free electricity above us, wasted on pretty colored lights... ;-)
One of the key points in the article had to do with the speed advantage of serving images from the file system rather than from a database.
I also think that right now we're in a phase of growth, without financial speculation.

Then you're aren't paying close enough attention to who is driving this 'illusion' of growth. Goldman Sachs, Morgan Stanley, and JPMorgan Chase are underwriters for the FB IPO (and likely its farce of a valuation) who all have access to 0% interest loans for their respective speculative practices. And now with the Zynga illegal early sell-off ordeal going unabated its really setting the tone for what you can expect from it, too.

Like I said, its either you aren't paying close enough attention or you simply do not know what financial speculation is... much less the obvious machinations (HFT) they use to create them in the first place.

In summary fiat (the illusion of money) and its very nature introduces a layer of indirection [sic] into the system which can mean that growth is slow even when technological conditions promote in some sectors.

Corrected that for you, the consequences of what you have described can only come as a consequence of abandoning the principle of Money in exchange of its illusion (fiat currencies) which enable massive credit expansions.

Also the term you are looking for is malinvestment to describe this practice in a market--it isn't 'indirection' to those who VASTLY profit from it. Think about the large asset and wealth confiscation that has taken place as a result of the mortgage crisis in the US and EU.

It's different this time.

Ha! It always is.
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And you have to use your real name or they'll disable you entire account - including email etc.

No, they don't. They just suspend your G+ account. GMail is unaffected.

Yes, there are stories of people getting both their G+ and GMail accounts suspended, but it was always for other reasons than not using a real name. One I recall was that a user was under 13, but hadn't entered his birthday until activating the G+ portion of his account, which triggered the GMail suspension. (Google doesn't allow under-13 users to have Google accounts since under US law there are extra requirements that Google doesn't want to deal with.)
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Frankie, apologies, I didn't mean to suggest that you were responsible for the link-baited titles. Your title correctly reflects the sentiment of the reporting across the board:

"An Apple CEO-in-waiting sells 95% of his company shares"

I am heavily invested in Apple and so I follow them very closely. Data from Asymco gives me even greater confidence in their performance:

http://www.asymco.com/wp-content/uploads/2012/05/Screen-Shot...
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He mentioned the data structure is large, so it's a safe assumption to say the cpu caches won't be useful except maybe for the very top of the tree, and that there is no locality when traversing a tree path.
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One existing use-case is Facebook's 'reply to this email to post a comment' feature.
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Why is try/catch so slow?
I wrote an extensive C# version of this that runs as a service, includes a MIME parser, filter pipeline and WCF bridge (so you can recieve mail via a net.tcp).

I will clean it up and chuck it on bitbucket.org some time this month.

You just publish an endpoint on your app, fire up the service and emails come in as WCF messages ready parsed.
If you hit the 'major' filter above the graphs it'll bring them together.
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No. I already have a ton of other vegetables on my plate. Lambda calculus, compiler architecture, Haskell arrows.
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I think HNers here are interested in job postings by HNers. "Who Is Hiring" became too crowded by throwaway/single-msg-poster users/recruiters.

I propose to set some karma threshold for top-level posts (jobs). For comments it is OK.
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> while simultaneously difficult to open.

I think we can all agree that someone overshot that target by a long range. Every single time I ask myself, "now how can I open this without damaging neither the package's content nor myself in the process?"
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I'm sorry, did you just apply the Golden Rule to yourself? Confused by that, if you're pushing this Platinum Rule (which I actually had usually rather heard of described as the Silver Rule, but that's besides the point).

My point isn't about how simple things are simple. It's that human interactions and relationships can be complex things, and we shouldn't take them lightly. And there have been plenty of times where I screwed up in even the simple things. If you never have, I applaud you. But I see Platinum Rule being difficult to implement with a high success rate, especially in complex scenarios, given what I've already discussed above.

A better way to refute me is to explain how I overcomplicate things and why life is really as simple as you describe. But I don't think I am overcomplicating things at all.
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This is mostly because the Game Developers don't understand how to create a unique visual style, using default options for more than 80% of the rendering.

Custom shaders can go a long way towards making a game look unique.
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I'm going to guess this story has been Mike Daisey'd.

Wow, is that seriously what they're calling it now? I guess that's genius. But I feel like that poor guy has been put to new lows just because he was out of his depth. Doesn't excuse him for what happened, I guess though.
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At least for Chrome, all optimisation is disabled in functions containing a try/catch. It's probably similar for the other browsers. Try/catch combined with some of the more sneaky semantics of javascript is rather a nightmare to optimise, I can imagine. Even a simple looking value can actually be a huge function chain (via defineProperty, defineGetter, or valueOf).
You still need to read O(nlogn) bits of the array. It can't take less than O(nlogn) time.
I'm a native french speaker and I tried the "intermediate" setting on a couple of english websites and was pleasantly surprised. I agree that most of the mistakes come from verbs, the times or person/gender are often wrong and sometimes the translation just doesn't make sense.

For instance I saw "tomber en amour" for "to fall in love", which is a literal translation but somewhat awkward. Even worse was "était due à arriver" for "was due to arrive"; once a gain a literal translation but this time the french version doesn't make any kind of sense.

So, definitely something to take with a grain of salt but still pretty useful IMO.

Maybe a more fool-proof approach would be to do it the other way around: have an extension that would translate most of a foreign website except for some words/expressions. This way the foreign language would always be correct (given the source is reliable enough, of course) and having mistakes in the automatically translated native language wouldn't be a problem.
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I suspect the technical reason is because it hasn't been aggressively optimised. The reason for that is probably that it's not widely used in the real world, or at least not in performance-critical code. Especially in very tight code like that, I don't think there's a fundamental reason why the compiler couldn't detect the single throw site and compile the code down to the same as the conditional. It gets a bit messier when cascading an exception down the call stack.
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One reason try/catch is slow is that it involves unwinding multiple stack frames, cleaning up as you go, until you hit a catch block.

Try/catch is also a very complicated flow control mechanism (think about how try/catch/finally/return all mesh together) such that a lot of VMs simply don't even attempt to apply any of their fancy optimizations to any function that contains a try/catch.
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And? This isn't very surprising. Exceptions are slower than regular/shortjump control-flow.
I agree the stereotypes can be a little offputting, but I think the OA is motivated by a similar annoyance at stereotypes that you are experiencing.

It's a response to the effect the consumer web has had on silicon valley, namely the tabloidism, the hollywoodization, and the explosion of self-promotion. The bloggers, the pundits, "brogrammers", "ninjas", etc.

When you read articles about using Github as a way to screen prospective employees, or not hiring people who don't have a blog, you realize that the core practice of software engineering that underlies all the most innovative aspects of what's happening in tech today has the potential to get lost in a sea of signaling.

The delivery of this message may not be the most tasteful, but I think it's a point worth making.
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Fantastic! Thanks for pointing that out; I don't know how I missed it.

Our printers are set for A4, so trying to print letter-size causes them to beep and refuse to print without user intervention.
So, please mark what data is statistically significant at a 95% level?
On SpiderMonkey, a Javascript value is a 64-bit word. In most cases, 32 bits are set aside for the tag, and one possible tag is 'undefined value'. So checking to see if a value is undefined is basically a simple comparison, like checking if a pointer is NULL in C (except very slightly more work).

On the other hand, try/catch requires traversing some kind of structure to find the catch handler, and exceptions are often allocated somehow. This kind of action will need to inspect the stack, possibly look at the heap, and probably do many branches.

Plus, try/catch is not typically optimized for speed of catching exceptions. Exception handling is typically optimized so that the code path that doesn't throw an exception is almost as fast as it would be if the exception handling weren't there. You want people to use your exception handling so they can write more error-tolerant programs, but they might throw it out if it slows down their correct code. If you make sure you aren't slowing down the non-exception path, you may have to make tradeoffs that slow down the exception path.

The programming language shootout had a test of try/catch performance across languages. I remember Lisp was at the top, but not as if anyone cares -- try/catch performance isn't relevant to most programs.

OTOH, you may find it interesting that the reverse is true in Python. In Python, it is almost always faster to catch an exception rather than to check first. The way CPython checks for errors is by checking the return value of functions against NULL, after all, which is very fast. Checking ahead of time requires more Python code, and the Python code is going to be the slow part, at least on CPython.
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As I see it, it's pretty clearly the latter.
Because filling the road with half-accomplished drivers is a pain in the derriere. The average driver is already annoyed and tense on the road, I can only imagine professional drivers get very frustrated by poor driving when they're outside the tracks. (On a side note, driving is much more vital than programming, so the analogy stops here. You should have the right to drive, even at a non-professional level. Can the same be said of programming?)

Just like less-than-average drivers will annoy the pros, the less-than-average programmer will limit the field. If you look at my original comment, I clearly mentioned: "How to make the real programmer on your team miserable". If the less-than-average programmer sits in his parents basement working on his own racoon-loving social network using the most mind numbing technologies, that's okay. But as soon as he interacts with others, he will inevitably cripple the advances of the field. Think of what happens each time a standard comittee reaches the conclusion: "It's a great idea, but too complex for people to grasp".

I know I sound very elitist, and I wish I wasn't. The truth is programming is hard. Very, very hard. Sure you can use your favorite framework to generate an html form and read DB fields, but this is not programming. Dijkstra has written extensively about the subject, calling programming "one of the most difficult branches of applied mathematics" or saying about BASIC (whose usage then is very analogous to the subject at hand now) "the teaching of BASIC should be rated as a criminal offence: it mutilates the mind beyond recovery". EWD was an extremist, he argued that CS students should focus on symbol manipulations, prohibiting them to manipulate computers for the first few years, focusing on an abstract formal language instead. He criticized universities for "[lacking] the courage to teach hard science" and their "infantilization" of the "radically new" idea that is computer science.

I won't go as far. If what he suggests is an extreme, a website promising you to learn code in 3 months is the opposite extreme. A 4 year CS degree, a couple of open source projects and the deliberative practice Norvig talked about should be a good moderate middle-ground.

In short, do I encourage people to start programming? Of course I do, it's the most fun I've ever had in my life. Do I agree that three months worth of learning and couple of RoR pre-fabricated functions is enough to say they learned how to "code"? Absolutely not.
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Great. I've always wanted to have a simple SMTP server that I could integrate in my projects/unit tests without having to re-invent the wheel. fakemail.py is too old and can't be installed from PyPI.