skysight-inc/HackerNews huggingface dataset:
CTR matters for a couple of important reasons - profits & relevance.

Google, Facebook, Bing, etc use it directly to make more money on the same number of ad impressions.

Let's suppose there are 2 advertisers -

Andy who bids $1/click has 1% CTR &
Bob who bids $0.60/click has 2% CTR.

When each of the ads are shown to users, Andy's will receive 1 click whereas Bob's will have twice as many clicks (every 100 times the ads are shown). The network (Google, FB, Bing, etc) will make $1.2 on Bob and $1 on Andy. That's some 20% profit right there without any special effort on the network's part while showing ads that interest more to the users. You only click something that interests you, right?

As you can see Bob, who bids a lot lower makes 20% more profit to the network for the same amount of ad impressions.

The second reason is relevance. One of the easiest ways to gauge it is CTR. Google, for one, places such a high importance on it that it has baked CTR right into determining how much you really pay to get that visitor in the form on Quality Scores. On Google if you increase your QS your ads start costing less and appear in better positions for the same (or lower) cost.

This is simple economics at play. If you see on the individual ad performance screenshot you can see that the ad that received 0.077% CTR has highest -
- reach
- social reach
- connections
- clicks
and most important the least cost-per-click. Who wouldn't like to get all the benefits for a lower cost?
So out of all of humanity only 1/3 would be making calls? Everyone else would be supporting these phone calls? What on earth would they be talking about?
> See that crew of criminal alien hispanic landscapers? See the unemployed American blacks in your city? Think really hard and try to connect the dots...

Repressive government policies. Exactly.

We're supposed to believe the free market is efficient and useful, but that free people are inefficient and problematic.
Risk associated with mobile computing
Now a days every tech savvy persons looks to be hooked with internet all the time over his Smartphone. Smart features offered by phones have now enabled users to access internet easily and remain connected with the friends through social networking sites. The latest trend to remain connected or the mobile computing is leading to many risks which need to averted and looked into.
Connecting to any Wi-Fi or LAN using smart phone must be checked for any software that encrypts the data and stores the password while the data is transmitted. Mobile computing has offered a lot more easier solution to carry a device which stores the data and can be connected to any Ethernet or internet connection easily but the problems starts here that most us do not have a safe mode or security attached with these devices. Any one can intrude to these files and damage the data. Most of us leave our mobile computing device unattended or unprotected.
Most of these devices have no firewall installed which can prevent any malware or spam function. The basic info of the credit card, passwords and other related information can be easily obtained through encrypted programming and any hacker could breach into your unprotected mobile computing device easily. Most of us keep our company records, sales data, and client info in these devices for easy communication but once these are lost or tracked they can open a Pandora box for problems.
The ease to carry these devices also makes them more prone to theft and accident which can lead to loss of data or critical information. These devices also work as a gateway for your connectivity to LAN, VPN and other connection which is used on regularly or temporarily basis to access the internet. Working over malicious links has also been observed as most common phenomena when someone is using these devices.
One of the major uses of these devices is connecting other devices in loop over Bluetooth to exchange data. Transfer of large amount of data over air packets always pose a greater security risk to sensitive and confidential data as anyone who is looking out to break into the data can have easy access to it.
Regular advancement are now being made up to plug in this loop hole and provide a unified solution which can make your data more safe and these devices compatible enough to overcome these major drawbacks. Some measures need to be taken by the users to make there devices more safe like configuring a user id and password, setting idle time for devices for auto lock features, set the settings to always send data in encryption mode and keep all the required OS for the mobile, patches and software’s up to date to handle easy and safe computing.
Use devices from reputed manufacturer and try to avoid connecting over insecure SSL connection as these are main source for vital malwares and spasm.
It helps greatly that there's zero cost for the publisher to have their game run by another user, unlike web apps.
So we've got a situation where a) someone has joined a gang where the morals permit killing people, b) their leadership (rightly or wrongly) becomes paranoid for whatever reason, and c) they accidentally kill a one or more of their own gang members thinking they are informants.

So... that's clearly murder and those who committed it should be brought before the legal system... but it's not exactly the most tragic thing I can conceive of.
Yes, I have 2 6950s, which together average to about 660MH/s on hashkill mining bitcoin, but when I tried MD5, IIRC they averaged to about 3200MH/s. I'd assume SHA1 to be slightly slower, but not much.
The Indian visa fraud saga continues
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PoSH 2+ includes tabs and a method browser IIRC.
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I enter "1234" and "123456"
Both said my passwords are safe.

I think not!
I wouldn't call the characters heroes. Demoman is a scottish drunk. Heavy loves massacres. The medic seems like a former nazi who delights in torture. They enjoy killing their enemies and celebrating the slaughter.

The cartoon-y style definitely takes the edge off though.
I just paid for this like 5 days ago! BLARG!
If you think the privilege of an H1B is
"indentured servitude", it seems that
immigration is not for you.

Funny that you say that, I have been an immigrant for almost 7 years now in the European Union (where it's significantly easier than in the US).

I am educated, healthy, young, have no criminal record and as a programmer I earn a significantly higher than average salary (and therefor pay significantly higher than average taxes).

I can say with a straight face that probably any country I choose to live in will benefit from me being there, so why would you want to keep skilled people like me out?
I guess for Google the browser is the platform. No need to make dedicated Windows/Linux/OSX programs.
Not a total loss, you get a premium account automatically.

Q. Who has a premium account?
If you've ever spent money on TF2, you have a premium account. This includes purchasing the game before it was Free-to-Play, activating a retail version of the game, or making a purchase in the Mann Co. in-game store.

Q. How is a free account different than a premium account?
Premium accounts have a few extra features, including access to rare and cosmetic items through random item drops, the ability to store more items in your backpack, and more powerful trading and crafting abilities. Otherwise, the gameplay experience will be identical for both accounts.

From:http://www.teamfortress.com/freetoplay/faq.php
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Thank you for pointing this out.

I find the secret ban system to be odious.
According to me, both things have importance weather it is class discussion or books/notes material. There are some extra things that happens other that notes in the class.
So keep attending the class teach us a lots of things.
Can we stop pretending like patents are a good idea?

As long as they exist, they'll need to be "fixed".
That information was already public. They didn't put stuff on Facebook from their own work documents. It was a pretty ridiculous thing to ask for.
We are going to build a web soon. Until that you can RSVP for the event here: http://www.facebook.com/event.php?eid=183401495047729

Thanks!
Iphone backup
Build Twitter with Grails in 90 Minutes: The Gist of it
We have also created a facebook group: http://www.facebook.com/home.php?sk=group_146806595388717...
>Of course, then they could chop your finger off.

Don't the finger printers have "pulsox" (pulse and oxygen level) sensors in them like those dinky devices they use in hospitals that just clip on your finger.

Threatening to chop their finger off would get most people to open most doors I imagine.
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There are more classy and contributive ways of advertising your app.
An easy to activate the guide later on. (You probably have that - I just mean that I would like to get rid of the first popup offering a guide to see the product itself)

Its a great idea, and I'll try to use in my app.
Except you need blades to shave -- most hats have no effect on gameplay.
My experience at Hack For Change
You're right - I made the exception the rule. Thanks for the clarification.
You know it clearly says to enter your email address in the input field, right? Of course "password" hasn't shown up in the database…it's not an email address.
Ask HN: Best monitor for software development?
Hi guys,

I am buying a new computer that I will use in the next few years for work. That means mostly for software development. I am considering what monitor to buy, but it is not my area of expertise. What would you recommend? What kind of backlight?

My priorities:

1. Easy on the eyes.

2. Good for reading/writing text.

I am considering Dell UltraSharp 27" or 30" but I am open to any suggestions and experiences.
They are recorded as suicides and the doctor and coroner are police appointed ones. There is a huge amount of corruption here in the UK but it's not often talked about because the people involved are very powerful (most of them are also Masons who serve others in their group rather than the public first).
I've heard people say that the Steam model - easier than piracy, lots of games, well-implemented DRM, not too expensive - works pretty well. Am I wrong?
Anathem anyone?
These are no icons whatsoever. These are high resolution images with way too much detail to be ever used as icons.
If you invented it first, but didn't tell anyone about it, then it's not prior art and anyone else is free to patent it. If you publish details about it, it's prior art and can't be patented.
The optimizing for life stuff I think is the most important point here.

Using the hippest languages and techniques is just so much less important than getting things done in a simple, effective way that makes sense for you right now.

A little anecdote real quick. I have an Android app out there (and more on the way). I work with my girlfriend as kind of a team on Android stuff. We needed to implement an "action bar" kind of like the Android twitter app has up top. I saw a horizontal bar with two buttons. She kept insisting I dig through some of Google's open source implementations and go rip out some random code that I didn't write and don't yet understand and try to get it to work properly with my code. She was convinced this was the only right thing to do.

I refused. Whipped up some basic UI XML in a couple minutes with two images buttons for the actions. Done. While many people tweak and tweak, our app is out there. Nobody would know the difference between the official bar and my completely idiot-proof implementation.

All this kind of reminds me of a twitter post I made a while back when reading an argument here on HN: https://twitter.com/BeyondHostile/status/20922938324688896
Neal Stephenson was inspired by this exact clock for the book.
Indeed, the encryption keys can be recovered from memory fairly easily. http://www.usenix.org/events/sec08/tech/full_papers/halderma... is very readable; http://www.youtube.com/watch?v=JDaicPIgn9U is a well-made 5-minute introduction by the authors.
I remember a few occasions at work where I figured I'd write a quick Powershell script to process some text files or something, and writing the script was quick and pleasant enough, but then it turned out to be quicker to just write a C# program to do the same thing rather than wait for the Powershell script to finish =)
As a rule of thumb you break up a function the third time you need that separate functionality. Just make sure the separate gazillion of things you mega function does are really separate so your function is in fact modular without bells and whistles of another name polluting the namespace.
Handy. So I only need to make a pic of the key, and then send it to an online service, wait a day, and go wild in someone's house/company. Which by the way, won't be covered by insurance because there are no signs of burglary.
Brigade Omega
I believe their is a silent "angst" that brews between Europe and America.

I wouldn't doubt that there is a certain amount of "Oh hi America you think you run the world - well you're no different than us, here's why.."

If it gives my opinion any justification, I am American and I do live in Europe.
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180 best webdesign for 2011
Aha, figures. Would have been surprised if it had been the other way around, he doesn't seem to have any ideas that are his own. Then again, I guess that's the hypothesis of somethingrather - there are no new ideas.
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I can only speak for myself, but quite often, steam is less of a hassle than finding a full version of a game (or other means to implement this). Combining that with steam sales or the usually low prices of steam has resulted in game sales over piracy for me already, and I'm just a poor student currently.
CSS "text-overflow: ellipsis;" finally landed in Gecko
Really? How about freemium products? Giving away something for free when it costs you something to at least host the service is the definition of a loss leader.
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Literally, what makes it tick? Is there some crazy large pendulum powered by tidal forces that triggers the once per year tick?

edit: Details found here: http://longnow.org/clock/principles/ ... though I'm a bit disappointed it seems it will require human intervention.
The biggest take away is that it is better to be direct than indirect. When you have only one component to modify, it is clear that the new code goes into that component. When you have multiple layers of components, it takes a lot more analysis to figure out which one is actually responsible. This is especially in the case where there are wrappers upon wrappers. It is a current programming style that I hope goes out of fashion quickly.
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You know people were working on this years before Bezos decided to fund it and donate land?

"The idea for the clock has been around since Danny Hillis first proposed it in WIRED magazine in 1995. Since then, Hillis and others have built prototypes and created a nonprofit, the Long Now Foundation, to work on the clock and promote long-term thinking."
Market Future & Stock to buy (June 24, 2011)
I think it would be hard to make it agnostic with all the library code that will be available. All the js packages that are being written for node are written to work with the the feature set and bugs of V8. If there's a V8 node on windows there will be no reason to use a version with any other engine as you wouldn't know what it could be breaking.

Microsoft are effectively ceding server site JavaScript on windows to Google's JavaScript engine without a fight.
Why Russia can't build a decent car
Dear Database Vendors: I have one wish...
"there are no new ideas"

There is an order of avout in Anathem, the Lorites, who are based around that very idea.
I 've been doing it for 3 years and i don't see these "cons". I presume people who choose to work on their own are usually self-motivated enough so as not to mind taking the blame, fixing their time schedule, and dispensing with everyone else's opinion (maybe it's just me though).
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XKCD did a comic on what you describe:

http://imgs.xkcd.com/comics/security.png

Yes, they'll just bean you until you give the key.
YES. I don't mind "taking the blame".

I much prefer taking the blame, recognize what I did wrong, and be able to do something about it (even if it's hard, or even if I sometimes make the same mistake more than once) than throwing my arms up in the air thinking it's someone else's fault and out of my control.

Control is good. Control makes you happy.
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This could allow to build an ad-blocker for the default
android browser, right?
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Inside the Anonymous Army of 'Hacktivist' Attackers
Solid State Silliness
http://www.kk.org/thetechnium/archives/2011/06/the_clock_in_... is a much more detailed article from Kevin Kelly, who is involved in the LongNow foundation.
Hide The IP software
I think Thomas was simplifying rainbow tables in his post, to make it more understandable. In practice, you wouldn't use all combination of alphanumerics. You would use a dictionary. This greatly restricts the search space.

http://en.wikipedia.org/wiki/Rainbow_table
http://en.wikipedia.org/wiki/Dictionary_attack
It's written in the article:

"The father of the Clock is Danny Hillis. He's been thinking about and working on the Clock since 1989."
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I enjoy being critical of the government as much as the next man, but I think a comment like the one you just made really deserves a [citation needed]. I'm not saying I don't believe you (there is plenty of evidence of wrongdoing by UK security forces in the past, particularly abroad), just that I'd be interested to see your sources.
Ok, so the difference with the current system is that publishing the idea is, in itself, the prior art, rather than serving as evidence thereof.

As defined in the bill, prior art can be "patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention".

It's not a great time to be making laws that depend on a formal distinction between published and unpublished, since that distinction has been just about completely smoothed over by now.
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Most people don't even know what OS their phone is running. They don't want 200000 apps - they want large screens with cute, tiny rectangles on it.
I got into a debate on StackOverflow over bcrypt vs salted SHA1:

http://stackoverflow.com/questions/3722780/do-any-security-e...

I think I'm right in choosing bcrypt, but one interesting argument against it was that, being slower, it would facilitate DoS attacks. You want the password hashing to be slow to prevent brute-forcing, but, if it's too slow, attackers could supposedly DoS your login system by trying tons of passwords.

I'm not a security expert, and I didn't know what to respond to that. How would one mitigate this problem? Is it even really a problem?
How do you measure/test the life of something that's supposed to last for a really long time?

For example, we refit our house with some (beautiful) CREE LED downlamps that are supposed to last about 25 years. While that's nice to know, is it possible to test that claim, or is it purely theoretical? It's not like they have been keeping the same bulb on since 1986.
Any tips on which scripts would be particularly useful on Android?
3rd party apps aren't what makes or breaks a smartphone platform
In all seriousness, though, would you recommend anyone else do that after being able to prove you've "done your time" in the system?
> The best way to shut these people down is not to give them an outlet.

I disagree. Give them a non-persistent outlet. Something like a shoutbox, where the trolling disappear after 5 minutes.
No:

- game: a baseball game is not a "work" under the Berne convention

- cast credits: they are descriptive, but not derived from the movie.

One of the criteria to assess "fair use" is "was anything creative added in the process of making the derivative", which is per definition not true in the checksum or fingerprint case. I don't find your argument compelling - it's not a closed and shut case.
It's not guaranteed, but it's common for the judge to order costs to be paid by the losing party. I'm really not familiar wtih the details of the system, sorry.
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Site is compromised, content doesn't appear to exist any more.
Yes, re-read my last sentence.
And here is the HN discussion on that great article, from last week - http://news.ycombinator.com/item?id=2665380
well you can let 1000 of them run for a year and from the ratio of those that failed calculate (or rather guesstimate) for how many years can more than 500 be still running.

It's not perfect, but for a perfect solution you would need something like a time machine, I guess.

edit: this article linked from wiki has nice explanations
http://db.usenix.org/events/fast07/tech/schroeder/schroeder_...
Impressive in Chrome, but seriously they couldn't get them to work in Firefox?
If you ask yourself that question, you should change it.
Skype is dead, and Microsoft just wasted $8.5 billion for that poison company.
Shame that fastcompany.com redirects me to the front page of the mobile site and I cannot find the article! :(
Node.js coming to Windows, Azure with official Microsoft support
F5 Friday: Performance, Throughput and DPS
Isn't the fact that they're using Meego for this phone and instant admission of the inferiority of the WP7 platform?
Today's comic also related:

http://xkcd.com/916/
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