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Coderetreat is a day-long, intensive practice event, focusing on the fundamentals of software development and design. By providing developers the opportunity to take part in focused practice, away from the pressures of 'getting things done', the coderetreat format has proven itself to be a highly effective means of skill improvement. Practicing the basic principles of modular and object-oriented design, developers can improve their ability to write code that minimizes the cost of change over time.

Want to beat the hackers at their own game? * Learn how hackers find security vulnerabilities! * Learn how hackers exploit web applications! * Learn how to stop them! This codelab shows how web application vulnerabilities can be exploited and how to defend against these attacks. The best way to learn things is by doing, so you'll get a chance to do some real penetration testing, actually exploiting a real application. Specifically, you'll learn the following: * How an application can be attacked using common web security vulnerabilities, like cross-site scripting vulnerabilities (XSS) and cross-site request forgery (XSRF). * How to find, fix, and avoid these common vulnerabilities and other bugs that have a security impact, such as denial-of-service, information disclosure, or remote code execution. To get the most out of this lab, you should have some familiarity with how a web application works (e.g., general knowledge of HTML, templates, cookies, AJAX, etc.).

XRay is a free XML editing enviroment. Now in its second major release, XRay provides support for XML Schema (XSD) and an integrated online XML tutorial system.

Sie wollen die Programmiersprache Java lernen? Dann sind Sie hier genau richtig! Im Java Blog Buch werden nach und nach mehr oder weniger aufeinander aufbauende Lektionen veröffentlicht, so dass am Ende eine Art Buch zur Java Programmierung entsteht. Navigieren Sie sich einfach durch das Kapitelverzeichnis auf der linken Seite oder durchstöbern Sie das Inhaltsverzeichnis! Gerne dürfen Sie auch interessante Themen vorschlagen, über welche wir dann ggf. bloggen werden. Aber jetzt wünsche ich Ihnen viel Spaß beim Java lernen! Ps.: Sollten Sie sich dazu berufen fühlen, einen Beitrag zu diesem Werk zu leisten oder gleich als Autor einzusteigen, so nehmen Sie doch einfach Kontakt zu uns auf.

FreshBrain - Explore, Engage and Create. Build your skills, bolster your resume, make friends and have some fun!! Get Started 1 Investigate the different Technology Areas. Explore what others are doing. 2 Participate in the different Activities using the latest free Tools. 3 Create your own or Join a Project.

Consider greenfoot as a combination between a framework for creating two-dimensional grid assignments in Java and an integrated development environment (class browser, editor, compiler, execution, etc.) suitable for novice programmers. While greenfoot supports the full Java language, it is especially useful for programming exercises that has a visual element. In greenfoot object visualisation and object interaction are the key elements. If you know BlueJ and a microworld framework (like Karel the Robot or the AP Marine Biology Case Study) consider greenfoot as the best from both: object interaction (BlueJ) and object visualisation (microworlds).

Programming isn't just for adults any longer. Young people are learning programming languages from the earliest ages and up. These tools and web sites teach young people how to program using the Java programming language, as well as languages developed for ease of use.

WiZiQ is a place where you can teach and learn using an easy-to-use Virtual Classroom. You are welcome to give private and public live online sessions, teach for free or earn money teaching. As a learner you can attend public sessions on various topics from academics to anything under the sun.

The Mixxer is a free educational community for language learners and teachers to find a language partner for a language exchange. The language partner is someone who speaks the language you study as their native language and is studying your native language. As a member of the Mixxer community, you can communicate with your language partner via Skype to practice speaking. You can also submit documents and ask native speakers to correct your writing.

Dieses Netzwerk dient als Basis für das zweite Educamp auf deutschem Boden und gleichzeitig das erste internationale Educamp (10.-12.Okt.2008). Es ist die Nachfolgeveranstaltung des ersten EduCamp, welches vom 18. - 20. April 2008 an der Technischen Universität in Ilmenau in Thüringen (nahe Erfurt) stattfand. Hier versammelten sich Knowledge-Worker, Wissenschaftler, Entscheider, Agenturen und Studierende, die sich mit innovativen Formen, Formaten, Technologien, Strategien etc. des mediengestützten Lernens auseinandersetzen. Es gab im Voraus bereits einige Ideen für das Programm, jedoch findet ein EduCamp nach dem BarCamp-Prinzip (Wiki-Link) statt, das heißt, die konkreten Sessions und Vorträge werden erst vor Ort festgelegt und jeder kann ein Thema mitbringen. Hier z.B. ein konkreter Lesetipp: Jean-Pol Martin hat in der Wikversity einen lesenswerten Text veröffentlicht, der auch hier in den Foren schon diskutiert, auf dem EduCamp in zwei produktiven Sessions vertieft wurde und schließlich in die Planung gemeinsamer Zukunftsprojekte mündete: zum Text

Alice is an innovative 3D programming environment that makes it easy to create an animation for telling a story, playing an interactive game, or a video to share on the web. Alice is a teaching tool for introductory computing. It uses 3D graphics and a drag-and-drop interface to facilitate a more engaging, less frustrating first programming experience.

Weka Machine Learning Project An exciting and potentially far-reaching development in computer science is the invention and application of methods of machine learning. These enable a computer program to automatically analyse a large body of data and decide what information is most relevant. This crystallised information can then be used to automatically make predictions or to help people make decisions faster and more accurately. The overall goal of our project is to build a state-of-the-art facility for developing machine learning (ML) techniques and to apply them to real-world data mining problems. Our team has incorporated several standard ML techniques into a software "workbench" called WEKA, for Waikato Environment for Knowledge Analysis. With it, a specialist in a particular field is able to use ML to derive useful knowledge from databases that are far too large to be analysed by hand. WEKA's users are ML researchers and industrial scientists, but it is also widely used for teaching.

Dokeos is an Open Source elearning and course management web application translated in 34 languages and helping more than 1.000 organisations worldwide to manage learning and collaboration activities.

Welcome to wordcircle, a course management tool and learning community for teachers, students and those looking to create and conduct online web courses. Wordcircle is open-source, commercial free and available at no cost.

Moodle is a course management system (CMS) - a free, Open Source software package designed using sound pedagogical principles, to help educators create effective online learning communities. You can download and use it on any computer you have handy (including webhosts), yet it can scale from a single-teacher site to a 50,000-student University. This site itself is created using Moodle, so check out the Moodle Demonstration Courses or read the latest Moodle Buzz.

Also very powerful: Claroline is an Open Source eLearning and eWorking platform allowing organizations to build effective online courses and to manage learning and collaborative activities on the web. Translated into 35 languages, Claroline has a large worldwide users’ and developers’ community.

Looks very nice and powerful! "Welcome to OLAT - the web-based Open Source Learning Management System (LMS). OLAT is open source, 100% Java and completely free of charge. The development of OLAT started 1999 at the University of Zurich, Switzerland where it is the strategic learning management system and deployed on the main OLAT server. The University of Zurich leads the further development and has a team of 12 developers pushing OLAT to the next level."