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04 November 2009

CK-12.org - Free Curriculum

by wabaus
CK-12 Foundation is a non-profit organization with a mission to reduce the cost of textbook materials for the K-12 market both in the U.S. and worldwide. Using an open-content, web-based collaborative model termed the "FlexBook," CK-12 intends to pioneer the generation and distribution of high quality educational content that will serve both as core text as well as provide an adaptive environment for learning.

02 November 2009

Traffic Server is finally here | Ogre.com

by karlcow

# A scalable threaded asynchronous state machine model. On a typical setup, 2 or 3 threads per core is enough to drive a large amount of traffic.

# Feature-rich HTTP/1.0 and HTTP/1.1 support. We fair well in various tests like CoAdvisor.

# Plugin architecture, making it easy (well, easier) to extend and customize your server.

# Well documented.

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30 October 2009

Software is hard | Eventbug (alpha) Released

by srcmax

This extension brings a new Events panel that lists all of the event handlers on the page grouped by event type. The panel also nicely integrates with other Firebug panels and allows to quickly find out, which HTML element is associated with specific event listener or see the Javascript source code.

29 October 2009

Lithium

by Xavier Lacot
The website of Lithium, the fork of the CakePHP framework, made by two of its core members.

25 October 2009

Coming At You Like A Pydermonkey at Toolness

by karlcow

Pydermonkey’s mission is pretty simple and straightforward: it’s just meant to wrap Spidermonkey’s C API as faithfully as possible—including its debugging API—while enforcing the memory safety that Python is known for. This makes it awfully low-level for casual programmers, but thanks to Python’s awesome support for magic methods, it’s not hard to create high-level wrappers that provide much more convenient bridging between JavaScript and Python code.

Software is hard | HTTP Archive Specification

by karlcow

a common format for archiving HTTP information that are captured by HTTP sniffers.

24 October 2009

Rattle » What we do

by karlcow

People are increasingly living digital lives. We do research to understand how to make that life better for individuals and organisations. Our core services are listed below:

18 October 2009

Corey Goldberg: Selenium RC with Python in 30 Seconds

by karlcow

Selenium is a suite of tools to automate web app testing across many platforms. It has various pieces (Core, RC, IDE, etc), and I struggled trying to figure out how everything fits together and works. At the end of the day, all I wanted to do was use Selenium from my Python code to drive a browser session.

15 October 2009

Web Development: How to Judge the Technical Quality of a Site? | NexusLab

by karlcow

The technical qualities of a website largely depend on how hard the web development team has worked on it. When qualifying a website on the code level, you need a different set of metrics than you did some years ago. This article is our attempt at specifying what metrics you should use.

How I Draft an Information Architecture

by karlcow

This is surprisingly easy, but there is a dependency. You need information. You need to understand what you are trying to achieve, what users of the service need and know, and you need to know the content well. If you don’t have these things, it will be hard. But if you do have them, pulling them together into a first draft is surprisingly easy.

13 October 2009

Dell PowerEdge R210 Server

by danijelzi (via)
The Dell PowerEdge R210 is an entry-level rack server, featuring a compact 15.5 inches deep 1U chassis and a single CPU socket. Designed for small businesses and larger offices, the Intel 3420 chipset-based PowerEdge R210 is offered with one of Intel Xeon 3400 Series quad-core processors, up to 16GB of unbuffered DDR3 memory using 4 DIMM slots, and up to two 2.5”/ 3.5” SAS, SATA or SSD non hot-plug drives.

11 October 2009

Internet Alchemy » Representing Time in RDF Part 1

by karlcow

Way back in 2006 I wrote a blog post concerning the modelling of time in RDF (see Refactoring Bio With Einstein Part 3: Temporal Invariants. That post also provoked some discussion in the blogosphere. Although I haven’t written anything on the subject for the past three years I haven’t stopped thinking about it. In fact I’ve been working quite hard on the problem, mainly by modelling real data, especially geographical information. This is the first of a series of blog posts describing my experiments. I’d like to thank Leigh Dodds and Jeni Tennison who gave me valuable feedback on an earlier version of this write-up.

russell davies: blocks of time and the mechanical facebook

by karlcow

The hours spent in your browser or PowerPoint are easily forgotten, no trace of them normally remains, but once they're made flesh in brightly coloured blocks they become annoyingly hard to get rid of.

09 October 2009

08 October 2009

Dell OptiPlex 780 Desktop

by danijelzi (via)
The Dell OptiPlex 780 is the company’s new business PC, featuring Intel technology. The system is based on the Intel Q45 chipset and features an Intel Core 2 Quad, Core 2 Duo, Pentium Dual Core or Celeron CPU and up to 8GB of Non-ECC DDR3 1066MHz memory. The OptiPlex 780 is configurable with up to two 3.5- or 2.5-inch storage units, including standard hard drives and solid state drives. The drives can be configured without RAID or in RAID 0 and 1 modes. Optical drive options include a DVD ROM or a DVD burner, but the system can be also configured without optical device.

Dell PowerEdge T310 Server Overview

by danijelzi (via)
The Dell PowerEdge T310 is the company’s latest single-socket tower server. Along with a single Intel Xeon 3400 Series quad-core CPU, the Intel 3420 chipset-based PowerEdge T310 includes up to 32GB of registered (RDIMM) or up to 8GB of unregistered (UDIMM) DDR3 memory, and up to four 3.5″ cabled or hot-swap SAS or SATA hard drives for a maximum of 4TB of internal storage. The system has an onboard SATA controller without RAID functionality, but there’s a variety of additional storage controllers supporting up to RAID 10. The basic network adapter is an embedded dual Gigabit NIC, which can be accompanied by various single-, dual-, or quad- port Gigabit cards. For server management, customers can use the baseboard management controller and one of optional iDRAC6 controllers. Dell’s T310 features the Matrox G200eW GPU, a DVD drive, optional PowerVault tape or hard drives for backups, and five PCIe Gen. 2 slots: two x8 slots (one with x16 connector), a x4 slot (with x8 connector), and two x1 slots. Power supply options include a redundant 400W and a non-redundant 375W unit. On the front of the chassis, the 20.5 inches deep tower server has an optional LCD screen for system monitoring. The new PowerEdge comes without operating system or with one of Windows Server, Windows Essential Business Server, and Small Business Server editions, as well as with optional Novell SUSE Linux Enterprise Server or Red Hat Enterprise Linux. The starting price for the Dell PowerEdge T310 is $949, with the 3Yr Basic Hardware Warranty included. The server can be purchased at dell.com.

07 October 2009

SystemRescueCd

by m.meixide & 7 others (via)
SystemRescueCd is a Linux system rescue disk available as a bootable CD-ROM or USB stick for administrating or repairing your system and data after a crash. It aims to provide an easy way to carry out admin tasks on your computer, such as creating and editing the partitions of the hard disk. It comes with a lot of linux software such as system tools (parted, partimage, fstools, ...) and basic tools (editors, midnight commander, network tools). It requires no installation since you just have to boot on the CD-ROM. It can be used to perform admin tasks on both linux servers, linux desktops or windows boxes. The kernel supports most of the important file systems (ext2/ext3/ext4, reiserfs, reiser4, btrfs, xfs, jfs, vfat, ntfs, iso9660), as well as network filesystems (samba and nfs).

05 October 2009

Let's talk about WSGI

by marco
HTTP is hard, let's go shopping!

John The Ripper rapide comme l’éclair grâce au multi core

by srcmax (via)

John Jean a d’ailleurs publié ses benchmarks sur son blog, c’est très instructif. Il passe donc d’un crack de MD5 d’une durée de 11h sur un CPU classique à une durée de 1h30 pour un mot de passe de 8 lettres sur un multi core… Je vous laisse imaginer le délire !

Bref, il est fini le temps où vous pensiez que les mots de passes hashés en base de vos utilisateurs étaient secure car hashés…

02 October 2009

RFC 5545 - Internet Calendaring and Scheduling Core Object Specification (iCalendar)

by karlcow

This document defines the iCalendar data format for representing and exchanging calendaring and scheduling information such as events, to-dos, journal entries, and free/busy information, independent of any particular calendar service or protocol.

01 October 2009

The Duct Tape Programmer - Joel on Software

by ERSWeb (via)
Jamie Zawinski is what I would call a duct-tape programmer. And I say that with a great deal of respect. He is the kind of programmer who is hard at work building the future, and making useful things so that people can do stuff. He is the guy you want on your team building go-carts, because he has two favorite tools: duct tape and WD-40. And he will wield them elegantly even as your go-cart is careening down the hill at a mile a minute. This will happen while other programmers are still at the starting line arguing over whether to use titanium or some kind of space-age composite material that Boeing is using in the 787 Dreamliner.

30 September 2009

Tom Taylor : Projects : Clarke

by karlcow

Clarke is a small OS X application for updating your Fire Eagle location quietly, in the background. On Leopard (10.5) it uses Skyhook's API to triangulate your position from nearby wireless access points. On Snow Leopard (10.6) it uses Core Location. It's free, and the source code is available on Github.

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