skysight-inc/HackerNews huggingface dataset:
Absolutely - I need batch loads, and random reads. The term "insert" is somewhat meaningless - I have random appends and a periodic mapreduce job compiles the randomly appended data into structured data to served via ElephantDB. The structured data requires random queries. In principle, HBase should have filled my needs completely. But in practice, I couldn't make it work.

Our HBase cluster (3 boxes serving 30 human oracles, each submitting data at a rate of 1 record every 5-10 seconds) choked frequently - i.e., it stopped accepting new records. Ultimately what I had to do is have the human data go into postgres and a cron job flushed that into HBase every half hour or so.

I'll emphasize that this is probably my fault. I'm not claiming HBase doesn't scale to 30 concurrent users - clearly Facebook demonstrates it can. But I couldn't figure out how to make that happen. HBase is a complex system and I make no claim of understanding it.

ElephantDB + MaryJane are simple. There is almost nothing that can go wrong - put together they probably amount to 5000 lines of code and have as many as 10 minimally interacting configuration options. The effort required to manage them is minimal - I had EDB working flawlessly in less than a day.

HBase is an enterprise tool. It works well if you are Facebook and can put a couple of people on maintenance duty. It's overkill if you are Styloot (my stealth mode startup, currently smaller than Backtype).
$9.4M? And Aprizi's First Pivot
So as long as no one duct-tapes a wet-dry vac to an anybot, we're cool.

Trevor, you've got the safety reigns, sir.
Our Tomcats definetly didn't check for file handles, or run out of the box. The same goes for our NGINX. Can't talk about PostgreSQL, but MySQL certainly isn't delivered in a high volume configuration either.
Show HN:  My meta-news site covering Net Neutrality topics
The best white hat hackers. better ask somebody
Crushing it daily. Does your enterprise software have vulnerabilities? Get a report from NSS Labs.
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Google Wallet: Tap your phone to pay your bills
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Articles do have points visible.
What Really Keeps Poor People Poor
It's a very old story: Hand coded assembler can commonly get a factor of several faster execution time on compiled code and more when using special instructions on special data. But on large programs, no, because some of what compilers and runtime libraries do for large programs is too difficult for hand coded assembler. Indeed, some of what compilers do in register allocation (and maybe cache usage) will be too difficult for hand coded assembler.

More generally, now the execution time of a small, single threaded program is nearly never of much concern. E.g., when have a processor with dozens of cores, it's easy to let a small, single threaded program have a core and then f'get about it.

Execution time remains important but now mostly just for large, multi-threaded programs.
Just hit $200/mo from http://weddinginvitelove.com. App launched in January, and I launched paid accounts in mid-April. Not the best for one month, but not the worst either.
Beautifully Designed Windows Apps
And what is this 'computer' that every seems to be talking about these days.
The Voice Behind "You've Got Mail"
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// One could envision a language that makes the sort of structures that baffle the normal compilerore visible and amenable to optimization. //

Yes, the problem is that it starts to look like assembly at that point. With a whole bunch of notes on each variable and operation to let the compiler know about whether you care about specific aspects of the result of the operation. (See the 'restrict' keyword in C for an example of what I mean)
Seems to me forfeiting ~40 billion dollars wouldn't be a good move, and that's what would happen if Bill went back to Microsoft. Warren Buffet gave the Bill and Melinda Gates foundation billions of dollars on condition that Bill stop working at Microsoft and start working full time for the foundation.

As much as I would like to see Bill back at Microsoft, I'd rather see him doing the amazing work that he is currently doing with the Gates Foundation.

I would like to see Scott Guthrie become the new CEO and/or chief software architect at Microsoft.
Maybe so, but I the point the parent comment was making was that the difference was in recording quality (especially since the parent comment referred to the quality of recordings up to 90 years old).
Here is a list of the most common diagnoses from a few years ago.
http://www.hcup-us.ahrq.gov/reports/natstats/commdx/table2a....
Doctors already do quite well diagnosing those in almost all cases so there isn't much room to improve on the diagnostic side. Once the doctor takes the patient history, observes the symptoms, and reviews the lab results then the diagnosis is usually fairly obvious (to an experienced professional). If the doctor had to enter all her detailed observations into a computer it would just slow the process down and increase costs.
It would only justify genocide if the foreign population were expected to commit a much larger genocide.

It would imply that people are not created equal (in a human rights context) and in particular do not deserve equal treatment.

Nonsense. It would imply that equal treatment would not result in equal outcomes.

Equal treatment: rapists go to jail, regardless of their country of origin.

Unequal outcomes: 10 in 100 people in Rapistan are in jail, whereas only 1 in 100 people in the Withpermissiononlyville are in jail.
Just the information I was looking for, great ideas!
"..Mutually Human is an expert custom software strategy and design consultancy specializing in mobile and web based products and services."
I think the "abuse" they are referring to is the common practise among blackhats of using Google Translate to spin stolen content to make it unique. Translating English -> $LANGUAGE -> English makes for a cheap, low grade article rewriter.
I'm sure the USSR had its virtues as you say, but the government forcibly prevented its citizens from leaving. That fact alone seems rather damning.
And the Courier is $265 (but it's still being made).
Voronoi Polygonal Map Generation
Thank you, especially for telling me the name of the field that I am looking for!

I think you're right in saying that a proper book is in order.
My Motorola Milestones battery lasts 3 days if I switch off mobile data (CM7). SMS and calls are still coming in.
ironic, isn't it? i've call particularly badass programmers 'gangsters' and referred to certain individuals as 'thugs,' that wield their technical aptitude like a hammer by bringing mayhem upon anything that stands in their way when they set their mind on something. They seem to appreciate those terms :)
Intro to Scapy, a framework for crafting and transmitting arbitrary packets.
It’s much better to start during an economic downturn. Partnerships are easier; hiring is easier; and the competition starts later.

- Reid Hoffman (@quixotic)

http://startupquote.com/post/5890518937
Corporations choose Delaware because the lawyers who incorporate them (usually contracted from big firms) choose Delaware.
"XML is like violence, if it doesn't work, you aren't using enough."
I've now been involved in two projects where I would have needed a queue with following characteristics:
- simple pub-sub, queue-like: m producers, n consumers
- decent performance (order of hundreds of requests per second)
- high availability for message persistence (I don't want to loose messages)
- no strict FIFO needed, just some kind of lesser fairness (newer items should not block older ones from passing through)

ActiveMQ with active-backup setup over shared disk mount is the current choice, and the start-up is really slow if the queue has a lot of data.

RabbitMQ does not persist messages in HA fashion, so I've ignored it so far. Maybe HornetQ needs some attention.

I see a lot of flexibility and feature-richness in the queue landscape and it perplexes me that getting this simple combination of basics right is so difficult.
Not really. The only thing that changed about super in Python 3 is that you can call it with no arguments, which is just a short-hand for the way it was already used in Python 2. Everything in that article applies equally to both Python versions.
if you have very disruptive ads (pre-rolls, audio ads) and high-value content this is a fine idea.

However, the truth is if you have a valuable product you will get massive support from your user base just by asking for it. only .1% of your users have to respond in order for it to be meaningful.

evernote, reddit gold and the This Week in Startups producer
program we started six weeks ago are all proof points (www.twistlist.co ).

we ask for help and had producers pony up $25k in five week of our $70k goal.
I mistyped. I meant "subclass OrderedCounter to add in the __missing__ method".
What is E-commerce?
We've had nothing but problems with ActiveMQ and we've been using it for 4-5 year now. We've been slow on making the decision to move to a different open source implementation because it is difficult to test this kind of software. I mean, ActiveMQ appears to work fine in tests, but in production, lock-ups and storage leaks happen on monthy basis. We need simple functionality, peristent queues in their simplest form. HornetQ seems like a good candidate. I'd appreciate if anyone could share their experience with it.
Does this mean the world is about to be blown up by the Vogon's?
> If the doctor had to enter all her detailed observations into a computer it would just slow the process down and increase costs.

On the other hand, paying someone working for/requiring much less money/training than the doctor (say, a BS & $20 or $30/hour) to enter the data would lower the overall costs, would it not?
Deploying a Rails 3.1 app in production
Ah man. I wrote a long-ass reply, but I lost it when trying to post. I'll try to quickly hammer out a readable version.

"What do I want a social network to do for me?"
The only reason I ever actively used Facebook was to look up info on my friends. So, I suppose I want a passive "black book" more than anything. A universal contact list.

Let users enter their data for defined fields (personal email, professional email, personal phone, pro phone, address, IMs, popular sites) and then them also define their own fields for inclusion (in case I want to let people know a particular forum or new service I spend time on. It's a good way to see what your users use.)

Then display it in a very minimalist way. Ever used Passpack? It lists my services, and has a grid of icons. So, list my contacts, and their info. When they don't have that info, leave the grid blank or grayed out. When they do, offer a clickable link for the site/service. (A link to IM them on that service, or to their profile on a site.)

Also let me add labels to each service, and to my contacts. For example, my personal email would have "friends", "online friends", and "family" labels, allowing each person I assigned those labels to see my personal email.

And bonus points if people sign up with their email addresses or phone numbers, rather than a site-specific username. It's silly for people to have to jockey for those on another service, relegating themselves to bigThunder1452 or the likes.

Asking users for the passwords (but not storing them) to confirm they own the accounts they list is nice, too. If a user hasn't logged in within the past month, ask them to confirm their data upon login.

With a minimalist design of a banner at the top, a list of recent contacts at login, and ways to list people by label, alpha, letter, or by account type, Throw an ad at the bottom or on a side.

I'm betting many business professionals would keep that tab open like I currently do with Gmail.

Hell, I've even thought of a name. Call it FriendInfo, and use FriendIn.fo, with, of course, purchasing friendinfo.com and friend.info as redirects.
Know Your Text Editor - Teach Me to Code Podcast
This is a specific use case for NFC, in exactly the way you describe. NFC should be usable for pairing in Bluetooth v2.1.
Most of what's false is the spin, including paraphrases such as "winner-take-all capitalism", a phrase I doubt Thiel actually used.

Seasteading in particular is a really exciting project. Thiel funds it because he wants to live in a world that still has frontiers, places people with unpopular ideas - religious, ideological, technological or otherwise - can escape to and try to live in new ways. Seasteading could revitalize political experimentation generally, yet here again the paraphrases are uncharitable and inaccurate - the claim that seasteads are intended or expected to be "law-free floating communes" is Jacob Weisberg's uninformed take on the subject, not Thiel's.

There's approximately zero chance Thiel himself would want to go live on a seastead - he invests anyway in large part to make the world a better place - the same reason he invests in kids who'd likely do better without college.

And how, exactly, is investing in long-term longshot bets less noble than to fund shorter-term projects like self-driving cars? Don't get me wrong, I love self-driving cars and I'm glad Google is throwing weight behind them, but self-driving cars were inevitable already. Google funds them because it fell naturally out of their other business interests and they stand to make vast sums off it in the short term - it's an easy bet for them to make. If Thiel likes to take the longer road, what's wrong with that?
No, they didn't use Grey code for that, they used a "linear feedback shift register". A LFSR has lower propagation delay than a normal binary counter.

The driving controllers did use Grey code.
Osama Bedier was a big deal at PayPal. He ran the whole mobile and point-of-sale organization. Everyone know who he was, and everyone was shocked when he left for Google.

This could get ugly.
i bet money was involved, too
I once had an HTC HD2, and while WM6.5 wasn't very good, the xda-developers community loves this device. I was able to try out all sorts of Android builds on this device, as well as getting WP7 sort-of working on it. Truly amazing.

My only gripe was that it was built with TMO in mind, and didn't have the right radio to talk 3G on AT&T. The battery didn't last too long either, but it was user-replaceable, so not that big of a deal.
Meta-comment follows:

Would you have replied if comment scores were displayed?
Hey, looks really cool.

If I were to scan stuff on the go (with JotNot, like in the article), would I be able to use PDFScanner just for OCR?
High-value content wins in the long run. I very rarely pay for ad-free versions of services or products if the only benefit is getting rid of the ads. If that's the only thing I get, I pass.
A self-hosted Wordpress also requires you to install the latest update every 2-3 weeks.
Simple explanation of Formal Grammar
You do have quite a unique definition of "the core service of the site".

All I can suggest at this point is that you need legal counsel to confirm your definition is compatible with the definition within this particular legislation. If that is indeed compatible, then I guess you probably have a good argument indeed for the need of the Google Analytic cookie, and that it is required for the service you offer visitors.

> I could also ride a horse instead of driving a car...

I'm sorry you feel this way about the right of your site visitors' privacy. It's a great shame you don't seem willing to respect that.
Boxes and Text (alpha): a super-fast design playground for the web
The end of Google? Will we go back to HotBot? Inktomi?
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Thanks! So on each batched load, is the previous data rewritten with interleaved new data? Or is the key ordering such that's never necessary?
There are many areas of technology other than software.
Tech companies != software companies.
Although all companies go through litigation, this is starting to feel more and more like the same process Microsoft went through with IE - core business, varied legal action at state, federal, and international level, and business practices that can be painted as suspect, with lots of small business owners that can be put into the press as victims. Add into that a press-worth corporate tagline of "Do no evil", and this will, over time, get a fair amount of attention.

Could this be the Achilles heel for Google? The Microsoft lawsuit was a huge drain of both cash, brand, an intellectual capital from the company. It will be interesting to see if this series of litigation has a similar effect.
No time dimension
There are a few reasons that poor people remain poor.

Math: The fact is that it's much more difficult to make $10,000 from nothing than it is to make $1M when you have $1B to use.

Experience: When you're poor, the odds are very good that you don't know anyone who is successful(let alone "rich") so there isn't the chance to find out what it takes to be successful. Plus, when you have no experience you need to work your way up from nothing. If you come from a rich family, odds are you know people who are willing to take a chance on you based on the references you have.

Mindset: I came from a very poor family. I always assumed that I would start work at some horrible entry level job, and work my way up. That's what everyone in my family had done. It never occurred to me that there was another way until my mid 20's. Now I'm approaching 30 and I feel like I'm finally on my way to working for myself.
Try http://www.freelancer.com/ lots of people there that can help you for little money.
Not really, no. I had one of the original iPhones and with heavy 3G usage the battery drains like nobody's business (it barely lasted half a day if I used it to stream music on the train to work). Right now I have a HTC Dream (also known as the G1) which lasts slightly over a day. Newer iPhones and Androids seem to last a bit longer, but not much. Its the price you pay for internet connectivity...
"There are four major stakeholders in the Android smartphone market: the cell carriers, the consumers, the handset makers, and Google. The carriers want smartphones to be locked-down carrier-controlled devices through which customers obediently buy services on carrier terms. All the other stakeholders, by contrast, gain from unlocked devices. Consumers win because they’re not limited to what the carriers choose to provide them; handset makers win because an unlocked phone is more valuable to a consumer than a locked one (and a little less expensive to ship, too); Google wins because its long-term strategy requires it to commoditize the carriers into a passive channel between the customers and Google."

More at http://esr.ibiblio.org/?p=3285
I was about to ditch my Incredible with it's hilariously bad battery life until I rooted it. I can probably get 2 days out of it now. My Nexus One had great battery life. It's the software. Not saying it's an excuse (they put the OS on there) or that this is palatable for the average person, but the hardware is solid.

EDIT: To add to this, it's likely Verizon's fault for the Incredible's battery life, because they require the vendors to install terrible, low quality applications & system extensions that can't be uninstalled from the phone.
I take issue with the first paragraph.

You know what keeps me up some nights? The idea that someone is going to go into credit card debt to buy some app that I put onto an app store. I'm betting the people who are more likely to listen to marketing are more likely to fall into that category.

For certain groups within the long tail, marketing's effectively mind control. Yes, we can look down on them as being pathetic or weak or whatever, but it's just the way it is.

So yes, marketing can be evil. It often feels like "Buy useless crap (overhyped stocks included) you don't need on your HELOC so I can be 'responsible' and maintain my savings account.".

Yes, I do look down on it. I look down on it - and at the same time, I use it.

(I offer no solutions, and am a hypocrite. I never go into debt)
Google Australia sends mail from Hong Kong
Music software developers also have to fight "idea guys"
Each batched load has no ordering. But the data I'm loading is not the same as the data I'm reading.

The data I'm loading is stuff like tags - e.g., <itemid>\t<tagid>. In human terms, "Dress A has a ruched collar." Mapreduce can handle data like this, even when it comes unordered.

The data I'm reading is computational results based on the loaded data - e.g., an index: <tagid>\t[<itemid1>, <itemid2>, ...] (where each itemid has been tagged with tagid). E.g., "here are all the dresses with a ruched collar."

(Actually, we do considerably more than this, nor do we need Hadoop for an index. But an index is the simplest example I could give.)

The original data is very boring. It's only after aggregation and calculation that it becomes worth reading.
Sigh. No, that is not at all how super works in Python. The equivalent code to that Go function would be:

def read_and_write(self):
Reader.read(self)
Writer.write(self)

That is, if you want to get at a particular superclass implementation, then you just call it directly. super() is used when you're not calling a particular superclass, instead relying on Python to compute the correct "next method" for you.

"super(Reader).read()", if you actually try it, will just result in an AttributeError. This is because super(Reader) returns an unbound super object, not a bound super object that you can actually dispatch from. Why this advanced usage might be useful is beyond the scope of this thread, but if you're curious then just google for python unbound super and hit the Feeling Lucky button.
One example: people often advocate for restrictions on "corporate" speech (or more precisely, the right of the corporations owners to use their property for expressive purposes) on the grounds that a corporation isn't a human and therefore doesn't deserve freedom of speech.
Other companies have to manage fraud too and do it without upsetting so many people. The exact number doesn't matter, it's a lot higher than other financial services companies. The fact that they had to lock down against fraud to keep their business from failing doesn't excuse their business practices and customer service. There's multiple open loopholes for scammers that do not treat honest people well. We could debate this forever but we're going to have different opinions as we don't have a lot of exact statistics and perfect knowledge of their company policies / fraud prevention measures. I will continue to recommend people do everything they can do stay away from Paypal and you will continue using it. That's ok because we don't have to agree and although I feel differently, I recognize your right to your opinion.
the routes should be affected not by selecting the first link on the page but a weighted probability based on the number of clicks each link on the page gets to the other in-subject links in the body.

also sometimes it counts links in sidebars as first, i think that's unintentional.
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The problem with how you look at it is that you consider transparency a possibility. It's not incompetence, it's corruption. If you believe such a deal would go through without a lot of money directly or indirectly exchanging hands behind the scenes then you're blindly idealistic.
Once a robot doctor is ready, imagine how easy would it be to create another one. Replicate the hardware, software and copy all the data. Compare this with the amount of time it would take to make a human doctor.