skysight-inc/HackerNews huggingface dataset:
'The cost of buying the things' matters quite significantly in developing countries as is evidenced by Tata's high-profile release of the $2200 Nano (http://tatanano.inservices.tatamotors.com/tatamotors/) in India. As discussed on the site (http://mobiusmotors.com/demand/alternatives.html), high-capacity public transport vehicles already exist in rural Africa. Making the American school buses rugged enough for the typical rural African roads and longer travel distances would certainly increase their cost. Mobius Motors is targeting a market segment similar to that of the Tata Nano.

I posted this article to highlight the growing entrepreneurial confidence in Africa (Kenya in this case).
Indeed, I've expanded the above comment into a blog post, http://alicious.com/2010/400mbps-internet-via-fttp/.

People are touting a 1Gbps transfer rate in the TrustedReviews post. Blu-ray is 40Mbps for 1080p video. This is more than just high quality video: we probably haven't really invented domestic ways to waste this sort of bandwidth yet, but I'm wondering what they're going to be ... any other takers?
Let g = Graham's number. Then use Knuth's up arrow notation. Then (and this is perhaps cheating) use a non-computable function like the busy beaver function, which grows faster than ANY computable function. That last step may in fact not be cheating, because it might be possible to prove a lower bound and therefore prove that it's higher than the opponent's number.

Pretty notation here:

http://mathbin.net/50035
Amazon snags exclusive deal for e-editions
think tanks.
OSCON 2010: Rob Pike, "Public Static Void"
link is 404'd
I certainly demolished your number in this post: http://news.ycombinator.com/item?id=1539866

Also, why use | when you can use ↑? ;)
Please: name some names. Your description of the ideal journalist is fairly good, but doesn't really tell us anything about the real world.
Developers, Developers, Developers
Rate My Startup: Hangchillparty.com
Hangchillparty answers who’s free to hang out. Right now. It's Twitter for hanging out.

When people want to hang out in the immediate future, they text or call friends. This is inefficient since you can only personally contact one person at a time, and you must then wait for a response. You don’t know who won’t respond or is unavailable. Social networking sites don’t alert you when a friend wants to socialize. They are also cluttered with irrelevant statuses.

Instead of tweets, we have “signals”. Users signal a green, yellow, or red light, which represents their social availability. These can be sent to facebook, twitter, email, and text message.

Users can join their friends’ signals to create real-time social groups, which does not exist on the web today. Or one user may update for his friends who are with him at that moment.

In the U.S, there are 43 million people between 16-25. This is our initial target market.

hangchillparty.com, we opened it up a few days ago.

Thanks, I appreciate your thoughts and feedback.
-Drew
According to my manpage, C is for compression and 2 is for SSH2. You'd need to use -o to set the compression level, and then you'd probably also want to make sure compression actually helps (manpage warns against it).

Similarly, -n is described as necessary for backgrounding the process, if you want to. I can't find a reason to use -T, unless you intend to send binary data over the pipe.
Excellent! I hadn't thought about it, but at a glance I'm pretty sure your ordering and grouping does generate the maximal result. However, the parent comment said as much punctuation as you like, which allows for unbounded expressions with unary operators like the factorial!
I've spent a lot of time on parenting lists for people with very smart kids. Since intelligence is at least partly genetic, the members of those lists tend to be pretty smart. For most of them, those lists were the first time they really encountered substantial numbers of people who disagreed with them for good reasons rather than out of "stupidity" (for lack of a more PC word). Especially in the early days, it lent itself to lots of fighting and identity crises. Sounds to me like that is similar to what you are going through.

I personally like feeling like a drop in the ocean of HN. I've had lots of negative experiences with being a "big fish in a little pond". For me, being "nobody" here is wonderful.
don't put a lot of value on your data, then choosing MySQL is fine

Funny (and I use the term loosely) you should mention that.

I've just recently witnessed a situation where a BI[1] analyst was brought in around the same time I was and realized that, not only was there likely data missing, but, worse, much of the data was wrong. Said analyst has been spending a remarkable amount of effort merely convincing everyone else that the reporting logic/infrastructure wasn't broken so much as the data.

I'm not convinced MySQL itself is to blame, but it's Awfully Suspicious, considering the use of MyISAM and a kludgy, if not exotic, replication setup.

[1] Business Intelligence, aka reporting. I'm not sure how common the term is. Presumably a small company that hires someone for this role considers the data to be extremely valuable.
No Money to Fix Your Car? Write a Best Seller
Another thing that makes Postgres a huge pain compared to MySQL: upgrading. Any major version upgrade requires a full dump and restore of all data.
Also, I think there are quite a few people using beta and dev channel and chrome developers are continuously getting feedback on features being added on those channel.

I have been exclusively using dev channel for 6 months, never had a problem and it updates every week.
It is not. It should be encouraged.
This is just begging for a little unaffiliated team to do a professional investigation along with a good amateur video producer.
True. I guess built-in functions shouldn't count.
A bachelor’s degree in journalism, media studies, mass communication, or some similarly named program along with at least a few years under the tutelage of editors is the best preparation for calling oneself a journalist.

So much for all those journalists who got to where they are via cadetships/traineeships - you're nothing according to Jolie O'Dell.

Honestly, this point strikes me as someone trying to justify their own actions as the "correct" actions.
I still don't see how it's possible to insert wrong data, or corrupt it??

There IS no data. How do you corrupt something that doesn't exist?

And NULL doesn't help either. NULL is valid data, NULL is not a replacement for programming errors (which is what this is).

This argument is pointless. People love to bash on MySQL, they look for the silliest things. The more popular something is the more people bash on it.

I understand that, but at least bash on real problems? Like the transaction DDL - that's a real problem. This? This is nonsense. (It's actually a very useful - and optional - feature BTW.)
In MySQL (and SQL Server, apparently), it reflects the specific point in time when this row was last updated, and neither database will let you have more than one such field in a table. The data type everyone here seems to want is "datetime", which behaves like you want a "timestamp" to behave.
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Plus, you can't get smaller blocks allocated even w
hen you need them.... I have a legitimate need for an independent /24 that I can BGP route around to a few datacenters.
ARIN says I can only apply for a /22 at the smallest. People are forced to apply for more address space than they really need in order to get any at all.

As for hte reasons "WHY" - it was never supposed to be a judgement as to relative value - only that they were actually needed and going to be used. IP addresses were never meant to have value in the first place.
So does Ray Kurzweil from Queens.
http://www.paycheckcity.com/netpaycalc/netpaycalculator.asp

these guys have usually underestimated my check (given that my taxes have been weird) and you're close to 7500 even in cali which has massive taxes
This is the Ruef paper if anyone is interested. http://www.jstor.org/stable/1519766

The study of social networks is incredibly fascinating, but the discipline is definitely in a nascent state. I think one of the biggest issues is that there is operational definition of a social tie. If you a create a network of people that a person has interacted with over a lifetime, it will likely look very different from the network of people the same person has interacted with over the last 30 days.

That's just one of the big problems to solve in the discipline. Since it's not a perfect science, it's going to be hard to provide "just the facts."
If evolutionary psychology explains why poor people act the way they do then it should be able to do the same for rich people as well. But I never see any papers or popular articles in evolutionary psychology explain why rich people have fewer kids. After all if people just want to propagate their genes and all our behaviors over the eons evolved for such a purpose then why do rich and educated people have fewer kids? It seems to contradict the basic premise of evolutionary psychology but no one seems to address this or just waves it away by saying "Oh, well humans are more complicated when it comes to learned behavior except of course when those people are poor in which case evolution and selfish genes rule". This double standard in an obviously symmetric situation is what makes me suspicious of evolutionary psychology. In fact it seems that according to evolutionary theory the rich would have a lot more kids since they have the resources to support those kids but that's not what happens.
Ideas are plenty valuable, some of them very much so (e.g. "germs cause disease"). But ideas without good execution are worthless. And teams who execute well tend to avoid being shackled to bad ideas, they'll transform them to good ideas along the way.
Article isn't 100% accurate. The flaw exposes the database username/password, not necessarily the "administrator username and password." I believe VB uses a hashed password system for user accounts (hopefully salted), so user credentials might be safe.
I agree, though I believe they're working on it. The technology is very impressive if you look into it.

Concerning it not being completely decentralized - I consider it a plus since that fact ensures greater reliability.
Continuous Deployment, Code Review and Pre-Tested Commits on Digg4
A huge amount of text for a photo sharing app. What does it do?
If you don't use relational databases, you're throwing away decades of work into a problem that's very similar to the one you're trying to solve. If you have a brilliant new scheme that forces you to do that, fine, but throwing away finely tuned systems because complex and relatively opaque might not be the best first step.
It's a Unix thing, and AFAIK, only exists in the Linux version of Firefox. By the way, you don't have to disable the autoscroll feature to disable this; just go to about:config and toggle middlemouse.contentLoadURL to false.
Finally, sanity ensured. Maybe he watched his own interview and realized how dubious his reasoning was.
Aaronson is talking about Graham‘s number when he writes:
“Recondite as it seems, the Ackermann sequence does have some applications. A problem in an area called Ramsey theory asks for the minimum dimension of a hypercube satisfying a certain property. The true dimension is thought to be 6, but the lowest dimension anyone’s been able is prove is so huge that it can only be expressed using the same ‘weird arithmetic’ that underlies the Ackermann sequence. Indeed, the Guinness Book of World Records once listed this dimension as the biggest number ever used in a mathematical proof.”

That‘s about a third of the way through the article. The numbers get a lot bigger after that.

As a footnote, the true dimension is no longer thought to be six — Aaronson’s essay was written in 1999 — and is now known to be at least 11. The Wikipedia article linked above has a reference for this improved lower bound.
GameBoy Emulation in JavaScript: The CPU
I down voted you by accident! My bad.

Yes, it was painful to read and I missed the whole point of the post unless it is just listing of where we find and use "graphs." I think this is a post out of his comfirt zone; I like his VC and startup posts better.
I don't know how you are getting that. I made $150K in California and my paycheck was about 3400 every 2 weeks, which is what that site says, too.
They running some version of arc90's readability to extract articles and display them nicely.
http://twitter.com/arc90/status/19079131365
MySQL: Visual Basic's "On Error Resume Next" for databases.
Of course, one great reason to be more critical is if they deserve it. I don't think that it's merited in these cases (original article or my link). I'm trying to figure out if this is a temporary/isolated thing, a systemic change, or a figment of my imagination/biases.
The business or enterprise markets are massive though.
The way we do initial synchronization with MyISAM:

* Everything is on LVM

* Run FLUSH TABLES WITH READ LOCK

* Take an LVM snapshot then record binary log filename and position

* Run UNLOCK TABLES

* Mount snapshot, rsync to new server and bring up replication with recorded file and position

Very fast and only locks tables for a short time.
Yes, and this has a lot of advantages. One advantage is openness of APIs for mashups etc. But the big advantage driving the NoSQL/custom DB is of course scalability and performance. Incidentally performance was also a key consideration 40 years ago when everyone rolled their own custom data stores. The modern SQL database evolved as a response to all the problems that created, which by now are long forgotten.

My point is not to throw the baby out with the bathwater. If you need massive scale then of course you need fresh approaches, but you are sacrificing a lot by abandoning a centralized DB.

If your data is moderately sized, then you will be trading a lot of data integrity, queryability and flexibility by giving up an SQL databases. Certainly consumer web services of the type that are en vogue in silicon valley need new approaches. However the majority of applications out there are probably still best served primarily by a relational DB, especially when you consider the value of a byte of corporate data vs the value of a byte of facebook data.
Paths to $5M for a startup founder - Gabriel Weinberg's Blog
X Selections, X Cut Buffers, and Emacs Kill Rings
> neither [MySQL nor SQL server] ... will let you have more than one [timestamp] field in a table.

Wait, what?
I personally am indebted to the HN community for the last 3.5 years of constant learning opportunities and positive interactions with like-minded people. While I recognize the other poster's complaint about feeling bad when they read HN, I myself am happy to be a member of a welcoming community that praises continuous improvement and provides external motivation to its members. I sometimes find myself awe-stricken by the talent of this community but then remind myself that it is better to look ahead to see how much I can aspire to instead of seeing how far behind I think I am.
Apple’s Web Browser Allows Sites to Collect Personal Information
Random House Strikes Back at Wylie E-Book Deal
Can someone that knows about this stuff explain exactly what it is the CC companies don't want us to know?
Better yet, require that all applications call through some common API (such as a library or web service) to access the data.
http://developer.postgresql.org/pgdocs/postgres/pgupgrade.ht...
Perhaps people stopped talking about matrices because social graphs are sparse. Also, most of the time papers (esp. system papers) are written to solve a problem and if the paper proposes a solution to solving a social graph related problem then that's what the author will use because it's easier for readers to relate.
Is this still true when considering silent corruption, instead of catastrophic failure? The latter is much easier to recover from...
"Why do languages look like this[Ugly]?"

Because they have generics and Go doesn't. That is a good thing?
Thanks, Chad. We have a lot of features that we are dying to add, and are working on as we speak. This is just the first, the very first, implementation of our vision. Stay tuned, we're eager to launch several game-changing features in the next few months.

The features scheduled for launch address all of the things you just mentioned, and more.
You're creating the wrong impression here by calling MySQL a toy and citing a handful of user preference issues you have with arcane features.

http://www.mysql.com/customers/

MySQL is used by the largest and most successful companies in the world. It is incredibly performant and stable in the most brutal environments.

Who on earth expects transactions to be available when you're creating a schema? "drop table if exists" is a fine way to back-out if your deployment dies.

Deferred key constraints? You should be spanked for using those in the first place.
You may be right about that.
Can you link to documentation of ALTER SCHEMA for Oracle that does transactional DDL?

I don't think it exists.
it won't give you a prompt: try typing something, and you'll see it works fine (unless centos have done something funny).
with 1 federal allowance which is standard afaik
I can't make it spit out 6800 monthly with 150K annual

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2 things

1) http://qntm.org/planar obviously not the largest number but pretty big.

2) http://www.ephraimkishon.de/en/my_favorite_stories.htm The story Jewish Poker is at least one take on the old joke mentioned in the intro, and a fun read.
I wrote about how I ran into his complaint #1 here:http://www.trk7.com/blog/programming/innodb-mysql-implicit-a... . MySQL is quite annoying but, it seems to do the job for most of the projects that I have worked on.
Actually Adam did a hasty follow-up to this when the video came out to say something to the effect of 'Hmmm, I may have embellished the story - and um that didn't happen' (BTW, thats me doing some heavy me para-phrasing, not a quote)

Here's the link:

http://news.cnet.com/8301-13772_3-10031601-52.html

September 3, 2008 10:59 AM PDT

'MythBusters' co-host backpedals on RFID kerfuffle
They don't want you to know that the microchips in their cards can be reprogrammed so that you can wave it at reader and emulate somebody else's CC#, or that you can program any compliant RFID chip to communicate with those wavey card readers to the same effect, or that you can plant an RFID reader on an ATM or similar point and "skim" CC info without needing the user to explicitly swipe their card.

That's just a few off the top of my head...
Related topic.... never tie a key directly to an interrupt line of a processor...except maybe the reset line but even those lines can have weird timing issues on some parts.

Lots of people make this mistake on embedded processor designs and waste monumental amounts of time trying to fix bounce problems with timers and other interrupts.

Brand-new keys react differently than old worn out keys, and different types of keys react differently, thus many interrrupt driven designs fail!

The best way to process keys is to sample them on your tick / jiffy interrupt. All the older Commodore computers (PET / VIC20 / C64) used this concept, and it worked great.

The old Commodore computers read the keys at 60 Hz, which is kind of slow for a full keyboard, but it still worked great. If you have some keys that aren't pressed very often, then likely you could sample them at a slower rate.

Another place that many designs critically fail is that people don't take static electricty into account. For single push buttons on PCB's, I always buy buttons with a metal case that is connected to a ground pin, thus increase the change that static electricity will go through the case instead of sensitive electronics, also I prefer to use some type of IC buffer chip that can handle static surges to stop them from getting to my microcontroller.

All food for thought...
The Haskell Platform 2010.2: now live
Some credit cards use RFID technology to transmit unencrypted data to merchants. I believe PayPass uses RFID tech. Anyone with an RFID scanner can grab your CC info.
KISSmetrics: A Conversion Funnel Tool That Gives Your Site A Memory
Hmm, pretty interesting choice of language - I would have assumed that C++ was available on all platforms as well, and it has better manual memory management than C.
Ideas are not worthless, ideas are the foundation of everything. The problem with this post, and indeed of many of the Hacker News acolytes, is the mistaken belief that "worth" is only measured in dollars. This is a narrow-hearted and ignorant attitude certain to end in misery. Can you say "GFC"? Ideas without good execution are NOT worthless. Execution without a good idea is a distraction from life, and unfortunately many in the "startup" game are terminally distracted, resulting in an endless stream of tech-based companies that trot out unimaginative versions of a half-baked idea vaguely related to "web community" or "crowd sourcing", but measured only in terms of "worth" as it relates to (imaginary) money. These execution-without-idea projects are completely unconcerned with the real meaning of "worth", ie, that which contributes meaningfully to the growth of love and compassion.
Fortunately that's very close to changing. The ARIN Advisory Council recommended adoption a month ago and now it is just awaiting board review.

https://www.arin.net/policy/proposals/2010_2.html
Like I said, I haven't experienced any problems. I guess when I do then maybe I'll curse the day I foolishly told the world I was happy with mysql :)
In any database comes a time where a developer or administrator will have to make manual changes to the data through an ad-hoc script. It can be straight sql or perl/php/ruby thing.

The easier you'll make it on him not to cause horrible corruptions in the data by forgetting to update that additional table that depends on whatever he is updating - the better life will be.

Triggers, foreign keys and constraints are all excellent ways to do just that.
I purchased 3 of those small Dell keyboards that come with Dell desktop computers. They don't take up much desktop space. I even connect one to my laptop at home so that way I'll dump my drink in the exteranl keyboard instead of my expensive laptop, also it prevents wearing out letters on the keys on my laptop. It is much cheaper to throw out a cheap $20 external keyboard that to fix a laptop!!!
..but practically no one is using this for production code.

Io isn't very fast, certainly not in comparison to MacRuby or IronRuby - or even YARV. It doesn't do all too well against Python or any other scripting language either.

But, thats okay. The purpose of Io is (as I view it) to explore OO programming. And it is very good at that purpose.