Posted: May 30th, 2008, 7:13pm CEST
When you plan to build an amazing website based on a portal, you may commonly consider a lot of questions. Some of them would look like the following:
- Are you planning to build a website with an open source enterprise portal solution using SOA framework, ESB and Web 2.0 technologies?
- Do you want to add collaborative tools, such as Wikis, Blogs, Discussion Forums, Shared Calendar, RSS, mail, Tagging, and instant messaging in the same website?
- Do you want to manage, publish and maintain web contents and documents in the same website?
- Are you eager to integrate with LDAP, SSO and third-party systems like JBoss jBPM, Alfresco, Orbeon Forms, and Pentaho BI/Reporting in the same website?
Obviously Liferay would be the best choice in terms of answering the above questions. Liferay Portal is one of the most mature portal frameworks in the market and offers the above basic benefits. Liferay is backed by a comprehensive professional services network and it offers custom development, training, and support across the world.
As the world's leading open source portal platform, Liferay provides a unified web interface to data and tools scattered across many sources. Within Liferay portal, a portal interface is composed of a number of portlets—self contained interactive elements that are written to a particular standard. Since portlets are developed independently of the portal itself, and loosely coupled with the portal, they are apparently SOA (Service-Oriented Architecture).
Posted: May 30th, 2008, 7:08pm CEST
Scalix email and calendaring, HP OpenMail, and Samsung Contact: these three names stand for some of the most powerful open-source-based groupware solutions available. This book sets out to explain their fundamentals to Linux administrators.
Since the early 90s, Hewlett Packard had earned many awards for its mail server, and OpenMail was said to be more scalable, reliable, and better performing than any other mail and groupware server. After only a few years, the product had managed to conquer the United States' fortune 1000 almost entirely. Scalix Inc., a member of the Xandros family, has continued this story in the last years: several reviewers claim that it has better Outlook support than MS Exchange.
With the right know-how, Scalix can be easily managed. Several thousand mailboxes are possible on a single server; Web-GUIs and command line tools help the administrator; and Scalix integrates easily with other professional tools, be it OpenVPN, Nagios monitoring or others.
During its history of almost 20 years, many tools and programs were developed for Scalix to help the admin in his/her daily work. While the official documentation has several thousand pages, which are not all up-to-date, this book tries to give a detailed overview from installation to advanced setups and configuration in big companies.
With this book, I want to provide both a concise description of Scalix' features and an easy-to-use introduction for the inexperienced. Admins, consultants, and teachers will all find this book a helpful base for daily work and training. Though there are many other possible ways to success in the described scenarios, the ones presented have been tested in many setups and have been selected for simplicity reasons.
High-end email and groupware is a domain where only few vendors can provide solutions. This is not the realm of Microsoft, and it has never been. It is where companies like HP, Novell or Scalix offer reliable and scalable products. And, Scalix is the only one that has licenced parts under a free and open-source licence. The software is free for up to 10 users, easy-to-use, and offers a lot of possible features ranging from caldav or syncml to clusters.
Posted: May 30th, 2008, 1:54pm CEST
Data stream algorithms as an active research agenda emerged only over the past few years, even though the concept of making few passes over the data for performing computations has been around since the early days of Automata Theory. The data stream agenda now pervades many branches of Computer Science including databases, networking, knowledge discovery and data mining, and hardware systems. Industry is in synch too, with Data Stream Management Systems (DSMSs) and special hardware to deal with data speeds. Even beyond Computer Science, data stream concerns are emerging in physics, atmospheric science and statistics. Data Streams: Algorithms and Applications focuses on the algorithmic foundations of data streaming. In the data stream scenario, input arrives very rapidly and there is limited memory to store the input. Algorithms have to work with one or few passes over the data, space less than linear in the input size or time significantly less than the input size. In the past few years, a new theory has emerged for reasoning about algorithms that work within these constraints on space, time and number of passes. Some of the methods rely on metric embeddings, pseudo-random computations, sparse approximation theory and communication complexity. The applications for this scenario include IP network traffic analysis, mining text message streams and processing massive data sets in general. Data Streams: Algorithms and Applications surveys the emerging area of algorithms for processing data streams and associated applications. An extensive bibliography with over 200 entries points the reader to further resources for exploration.
Posted: May 30th, 2008, 6:22am CEST
Each step in this visual reference is displayed with callouts so you can see exactly where the action takes place on the screen. It covers over 100 tasks, including complete coverage of macros -- with info about VBA basic techniques, variables and arrays, control statements, interfacing with other macros, debugging, add-ins, and automation.
Welcome to the only guidebook series that takes a visual approach to professional-level computer topics. Open the book and you'll discover step-by-step screen shots that demonstrate over 140 key VBA programming techniques for Excel macros, including:
- Working with the Visual Basic Editor
- Using the Excel Object Model
- Utilizing variables and arrays
- Harnessing built-in functions
- Debugging macros
- Defining ranges
- Manipulating cells
- Customizing dialog boxes
- Working with charts
- Automating procedures
Extra Apply It
- "Apply It" and "Extra" sidebars highlight useful tips
- High-resolution screen shots demonstrate each task
- Succinct explanations walk you through step by step
- Two-page lessons break big topics into bite-sized modules
VBA development tools on CD-ROM!
- Code_Crafter 2000 and VBA code Print trial version
- Barcode Add-in for Office demo
- VB Code Cutter shareware
- All sample code and spreadsheets from the book
- Searchable e-version of the book
System requirements: PC running Windows 9x/2000/Me/XP, Windows NT 4 or later. See the "What's on the CD-ROM" Appendix for details and complete system requirements.
About the Author
About the Author Jinjer Simon has been actively involved in the computer industry for the past 17 years. Her involvement in the industry has included programming, providing software technical support, training end-users, developing written and online user documentation, creating software tutorials, and developing Web sites. She is the author of several computer books, including Windows CE For Dummies and Windows CE 2 For Dummies. Jinjer and her husband live in Coppell, Texas with their two children. She currently works as a consultant for MillenniSoft, Inc., providing Web site development and online documentation development.
Posted: May 30th, 2008, 6:18am CEST
A Career in Computers is a straightforward and sometimes comical look into finding a job in the field of the computer sciences. It answers questions that many IT professionals and newcomers need to know when looking for a job and what they should expect. Most computer books deal with configuring software and do little in answering important career questions in the IT field. Even trained computer professionals are unprepared for the social, political, or psychological aptitude needed to survive the office workplace. This book is cut out of a larger volume title Hacking the IT Cube: The Information Technology Survival Guide.
About the Author
Douglas Chick is an IT Director of a national healthcare management group. His book, Steelbolt Hacking was on Amazon's Top 10 Bestseller's List, and creator of the popular website, TheNetworkAdministrator. He can also frequently be seen on Fox News speaking on technology.
Posted: May 30th, 2008, 6:16am CEST
Security is one of the most significant components in wireless systems to ensure the integrity of communications among terminals, networks, and services. As the field of wireless communications expands and inundates personal and professional lives worldwide, up-to-date wireless security research and knowledge becomes increasingly more vital to society.
The Handbook of Research on Wireless Security combines research from esteemed experts on security issues in various wireless communications, recent advances in wireless security, the wireless security model, and future directions in wireless security. As an innovative and current reference source for students, educators, faculty members, researchers, engineers in the field of wireless security, this handbook will make an invaluable addition to any library collection.
Posted: May 30th, 2008, 6:11am CEST
Nonnative English speakers will improve their knowledge and understanding of core computing technology with this workbook that includes self-study exercises and practical classroom activities, making it easy to revise classroom knowledge at home. A variety of productive and engaging activities such as word games, crosswords, speaking exercises, and group games make learning, revising, and testing English easy and fun. The format is simple to use, with clear instructions and an answer key, and this fully updated edition gives readers the latest necessary terminology in a fast-paced industry. 
Posted: May 30th, 2008, 6:10am CEST
Logic's basic elements are unfolded in this book. The relation of and the transition from Logic to Logic Programming are analysed.
With the use and the development of computers in the beginning of the 1950's, it soon became clear that computers could be used, not only for arithmetical computation, but also for symbolic computation. Hence, the first arithmetical computation programs, and the first programs created to answer elementary questions and prove simple theorems, were written simultaneously. The basic steps towards a general method based on Logic, were accomplished in 1965 by Robinson and later by Kowalski and Colmerauer who made use of Logic directly as a Logic Programming language.
Each chapter includes solved as well as unsolved exercises provided to help the reader assimilate the corresponding topics. The solved exercises demonstrate how to work methodically, whereas the unsolved exercises aim to stimulate the reader's personal initiative. The contents of the book are self-contained; only an elementary knowledge of analysis is required. Thus, it can be used by students in every academic year, as simply reading material, or in the context of a course. It can also be used by those who utilize Logic Programming without having any particular theoretical background knowledge of Logic, or by those simply interested in Logic and its applications in Logic Programming.
Posted: May 30th, 2008, 6:10am CEST
Thorough, systematic introduction to serious cryptography, especially strong in modern forms of cipher solution used by experts. Nihilist, grille, U. S. Army, key-phrase, multiple-alphabet, Gronsfeld, Porta, Beaufort, periodic ciphers, and more. Simple and advanced methods. 166 specimens to solve — with solutions.
Posted: May 30th, 2008, 6:08am CEST
Where do you go to grow spiritually? A church? A monastery? India? Tibet? What about the heart of corporate multinationalism? Mystic Microsoft demonstrates that with sincerity and self-offering, God can (and will) guide one's inner growth in any setting, not just formal religious channels. Here, one of Microsoft's most visible technology experts during its major growth years relates how his career circumstances were the vehicle for an inward transformation. With insight, wit, and colorful anecdotes about life at Microsoft, Brockschmidt shows how one's career, like his experience writing the Windows Calculator and his book, Inside OLE 2, are tremendous opportunities for spiritual growth. "[At Microsoft] I learned and experienced exactly what you would expect [in] a monastery or ashram..." Mystic Microsoft offers hope to those who feel that their careers are at odds with their inner aspirations and those who seek to find a deeper meaning in their worldly responsibilities. www.mysticmicrosoft.com
