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June 2009

writing | ben fry » Transit Trekkies

by karlcow

“They actually … attempted to downplay what the existing control center looks like, because they wanted to make it look real to the average eye as compared to… we’re pretty Star Trekky up in the new control center now.”

May 2009

The Plenitude - The MIT Press

by karlcow

We live with a lot of stuff. The average kitchen, for example, is home to stuff galore, and every appliance, every utensil, every thing, is compound—composed of tens, hundreds, even thousands of other things. Although each piece of stuff satisfies some desire, it also creates the need for even more stuff: cereal demands a spoon; a television demands a remote. Rich Gold calls this dense, knotted ecology of human-made stuff the "Plenitude." And in this book—at once cartoon treatise, autobiographical reflection, and practical essay in moral philosophy—he tells us how to understand and live with it.

This is why text messages are 160 characters in length

by karlcow

And why 160 characters? Again, when Hillebrand discovered during his research that the average post card usually contained around 150 characters; people were already used to communicating using so few characters. (Telex messages were usually around this length, too, meaning that business users could easily adapt to text messages.) You’ll also find that your average e-mail today isn’t much longer than a text message.

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April 2009

YouTube - Average 40Matches

by paulantoinem
This film was made in a kitchen over two days using approximately 2500 photographs - Ce film a été fait dans une cuisine plus de deux jours en utilisant environ 2500 photographies.

March 2009

< H X A 7 2 4 1 > : MiniLight minimal global illumination renderer

by karlcow

MiniLight is a minimal global illumination renderer. It is primarily an exercise in simplicity. But that makes it a good base and benchmark for development and experimentation. And it just might be the neatest renderer around (on average, about 570 lines). There are translations into several programming languages.

Evolution of the Web from 2000 to 2007 - average web object size quintuples since 2000

by karlcow

Summary: In a comparative survey of data traces from 2000 and 2007, University of Twente researchers found that the nature of the Web has changed from a static one-way medium to a dynamic platform for interactive services such as photo and video sharing portals.

The Web has changed dramatically over the past seven years. During that time the Web has moved from a static one-way medium toward a dynamic platform for interactive services such as photo and video sharing portals. In a comparative survey of data traces served over the Web from 2000 and 2007, University of Twente researchers found that the nature of web sites has changed (Sadre and Haverkort, 2008).

February 2009

Documentation for the Combine (focused) crawling system

by karlcow

The Combine system is an open, free, and highly configurable system for focused crawling of Internet resources. It aims at providing a robust and efficient tool for creating topic-specific moderate sized databases (up to a few million records). Crawling speed is around 200 URLs per minute and a complete structured record takes up an average of 25 kilobytes disk-space.

Cost and Challenges of opening a cafe

by karlcow

Budgeting $15 for the payroll for every hour your charming cafe is open (let's say 10 hours a day) relieves you of $4,500 a month. That gives you another $4,500 a month for rent and $6,300 to stock up on product. It also means that to come up with the total needed $18K of revenue per month, you will need to sell that product at an average of a 300 percent markup.

Les rêves de révolution… et d'être le propriétaire d'un café.

January 2009

The average person speaks | Antony Loewenstein

by srcmax
A recently released documentary, before Israel’s bombardment of Gaza, on life in Sderot and Gaza:

Google: Firefox and Chrome Run Gmail Twice as Fast as IE, Says Google

by srcmax (via)
Google has taken a more aggressive approach to moving users away from Internet Explorer, recommending that Gmail users install Firefox or Chrome if they want to see Gmail run "an average of twice as fast."

December 2008

magical thinking

by blackgoldfish
"So I started writing down the funnier moments of the day. I keep a jar on my desk, and when the kids say something particularly worthy of recording, I grab a scrap of paper (phone bill, envelope, chopstick holder.. whatever is lying around) and I quickly jot it down. " "The jar is filling up quickly, and when I'm having a below average day, I reach in and pull out a quote.. and suddenly I'm laughing and running to hug my little comedians."

November 2008

How to Load In and Animate Content with jQuery - NETTUTS

by Tiagut & 1 other
In this tutorial we will be taking your average everyday website and enhancing it with jQuery. We will be adding ajax functionality so that the content loads into the relevant container instead of the user having to navigate to another page. We will also be integrating some awesome animation effects.

October 2008

Forming and Baking Baguettes - Allrecipes

by rax262
There are few pleasures as simple or sublime as tearing into a crusty French baguette. Baguettes are loved for their graceful form and their shatteringly crisp crust. Served whole, they are a wonderful companion for any main dish. Sliced, they make an elegant presentation on a cheese plate or as crostini. Baguettes are a little more difficult to form than your average loaf, but after practicing these techniques, you will be able to shape baguettes like a true boulanger.

September 2008

Zimbra on a VPS: Tuning - Misc - Rob Thompson

by camel
Out of the box, Zimbra is tuned for a fairly beefy machine. Zimbra will easily consume 1.5GB of ram with default settings. Some of these changes mean turning off a few Zimbra features and there are quite a few ways to do this, so you will need to evaluate memory usage given your own situation. If you simply can't live without *all* the Zimbra features or intend to support a larger (> 15) number of users, my only suggestion is to get more ram ;). But if you are willing to make some compromises, please read on. The changes below are ones that I found to be a reasonable compromise. With a few easy changes, you can bring the memory consumption way down, so that it will hum along just fine on a server with ~512MB of ram. Of course this reduces the amount of users that your server can support, but I've found that for a small installation of around 15 users, these settings will work just fine and give you the same performance as the out-of-the-box config with gobs of RAM. The server I have been testing with has 560MB of ram, and after tuning consumes all the ram and only about 80MB of swap on average. You will find that if you don't make changes similar to the ones suggested below with ~512MB of ram, your Zimbra install will slowly creep up its consumption of swap and your Zimbra install will start to crawl. Also, > 512MB seems to be about the minimum amount of ram to get a useful/zippy server

August 2008

Instant-Messagers Really Are About Six Degrees from Kevin Bacon

by karlcow 2 comments

With records of 30 billion electronic conversations among 180 million people from around the world, researchers have concluded that any two people on average are distanced by just 6.6 degrees of separation, meaning that they could be linked by a string of seven or fewer acquaintances. The database covered all of the Microsoft Messenger instant-messaging network in June 2006, or roughly half the world's instant-messaging traffic at that time, researchers said.

La théorie, exposé dans un papier, suivie par

Why does it matter that people from around the world are closely tied together? Researchers said that the knowledge might have applications for political organizations, charity efforts, natural disaster relief and missing-person searches. "They could create large meshes of people who could be mobilized with the touch of a return key," Horvitz said.

La pratique, effrayant.

July 2008

Lecture 6 : Radiation, Energy Transport and Opacity

by karlcow

This quantity is defined in terms of the mean free path of a photon ln, or the average distance a photon travels along the beam between interactions with the matter.

June 2008

Get The Image WordPress Plugin

by mozkart
One of the problems with magazine-type WordPress themes has always been that they require more work than an average theme because of the extra image uploading. I’ve always held the belief that you get back what you put in. The time and energy you put in your site, the better it will look. Of course, that’s just a lot of work sometimes, especially if you’re a more casual blogger and simply want your site to look good with extra images that make your posts stand out. My goal is to cut back on some of the work. So, I created a new PHP image script that should help out with that. I’ve seen some other image scripts that do similar things, or even allow you to add one custom field and it resizes and crops the image for you. This plugin will allow you to have full control over images displayed, or it takes the power of WordPress and uses its image cropping methods. This makes for a much smaller file size. Right now, the file is under 6kb.

May 2008

April 2008

scalr - Google Code

by camel & 2 others
Scalr is a fully redundant, self-curing and self-scaling hosting environment utilizing Amazon's EC2. It allows you to create server farms through a web-based interface using prebuilt AMI's for load balancers (pound or nginx), app servers (apache, others), databases (mysql master-slave, others), and a generic AMI to build on top of. The health of the farm is continuously monitored and maintained. When the Load Average on a type of node goes above a configurable threshold a new node is inserted into the farm to spread the load and the cluster is reconfigured. When a node crashes a new machine of that type is inserted into the farm to replace it. 4 AMI's are provided for load balancers, mysql databases, application servers, and a generic base image to customize. Scalr allows you to further customize each image, bundle the image and use that for future nodes that are inserted into the farm. You can make changes to one machine and use that for a specific type of node. New machines of this type will be brought online to meet current levels and the old machines are terminated one by one. The project is still very young, but we're hoping that by open sourcing it the AWS development community can turn this into a robust hosting platform and give users an alternative to the current fee based services available.

February 2008

Mongolia 2002

by karlcow

Travel to Ogij Nuur took us only a day but it was quite tiresome. The so-called road ended after one hundred kilometers and after that we were following tracks of our predecessors, through the steppe, in clouds of yellow-gray dust. The average speed reached by off-road vehicles in Mongolia is 30 km/h. Besides, judging distances, there is no point in watching a map. The road is always a way longer, going zigzag through valleys and passes not suitable for a car at all.

How-To: Monitoring a Server with Munin

by lecyborg
Munin is a simple to configure tool that make real nice graph about your server status. It can actually deal with almost any aspect of your server (load average, network cards status, CPU usage, memory usage, postfix, exim4, mysql ...) without spending much time in configuring it. Munin produce MRTG likes graph so you can easily see how your server health is going.

oaktreeidea.com - a community of hope, innovation and purpose

by springnet
Oaktreeidea is not your average social networking website. Oaktreeidea is just that, an idea, an innovation. Where community members can be inspired and accomplish big things. Things with purpose.

NASA - A Perfect Storm

by karlcow

A 2005 paper by Jianguo Liu and Jared Diamond described the increased incidence of dust storms in China. From AD 300 to 1949, China experienced a dust storm on average every 31 years. After 1990, a dust storm occurred almost every year. The authors attributed the increase in such storms partly to deforestation and changes in water usage.

Brent Meshier » Tuning Apache & MySQL for High Traffic Availability

by camel & 1 other
Here is a quick configuration guide for those running Apache & MySQL that will prepare your webserver for heavy demand. I manage a few webservers that handle 60 hits/second on average serving dynamic pages with this configuration. Using the right hardware and software you can mitigate a potential Slashdot Effect and live to tell the tale.

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