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A comprehensive, code-intensive guide to building commercial-quality peer-to-peer applications with JXTA and Java Tens of millions of people use peer-to-peer (P2P) applications such as KaZaA, AOL Instant Messenger, and Distributed.net. These applications harness the idle CPU cycles of their host computers to produce enormous databases of information, build powerful processing engines, and enable communication and file-sharing among users around the world. Previously, P2P applications have been built using proprietary technologies and protocols, forcing developers to start from scratch each time they write a new application. Now JXTA, an open source, P2P development technology, enables developers to build P2P applications using Java, XML, and other industry standards. With this invaluable book, Joseph Gradecki provides a practical guide to building peer-to-peer applications using Java. He provides detailed descriptions of the JXTA technologies and demonstrates how to build real-world applications.

A Small Matter of Programming asks why it has been so difficult for end users to command programming power and explores the problems of end-user-driven application development that must be solved to afford end users greater computational power. Drawing on empirical research on existing end user systems, the book analyzes cognitive, social, and technical issues of end user programming. In particular, it examines the importance of task-specific programming languages, visual application frameworks, and collaborative work practices for end user computing with the goal of helping the designers and programmers understand and better satisfy the needs of end users who want the capability to create, customize, and extend their applications software. The ideas in the book are based on the author's research on two successful end user programming systems - spreadsheets and CAD systems - as well as other empirical research. Nardi concentrates on broad issues in end user programming, especially end users' strengths and problems, introducing tools and techniques as they are related to higher-level user issues.

Power user - A power user is a user of a personal computer who can utilize advanced functions and programs which are outside the reach of normal users due to the complexity and advanced knowledge required to perform these tasks.

Power Mac G5 - The Power Mac G5 is Apple Computer's name for models of the Power Mac which contain the PowerPC G5 CPU. The professional-grade computer is the most powerful in Apple's lineup and is touted by Apple as one of the fastest personal computers ever built.

Push technology - Push technology, also called server push, describes an internet-based content delivery system where information is delivered from a central server to a client computer based upon a predefined set of request parameters outlined by the client computer. Illustratively a client computer such as a desktop home user would subscribe to various information topics provided by a content provider and as that content is created by the content provider, such information is "pushed" or delivered across the internet to the desktop ...

Multi-user - Multi-user operating systems allow multiple users to utilize the computer and run programs at the same time. All time-sharing systems are multi-user systems, but most batch processing systems for mainframes were too, to avoid leaving the expensive CPU idle while it waited for I/O operations to complete.

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Apple Computer I Mac - Apple Computer I Mac Desktop And Portable Systems This authoritative, Apple-Certified training course is designed both for professionals who support Apple computers as well as Mac enthusiasts who want to upgrade, service, or troubleshoot their favorite machines. Fully revised, this second edition covers Apple`s new models, including the popular Mac mini apple computer i mac and the iMac G5. Keyed to the learning objectives of the Apple Desktop Service apple computer i mac and Apple Portable Service certification exams, ...

Apple Mac Computer - Apple Mac Computer Desktop And Portable Systems This authoritative, Apple-Certified training course is designed both for professionals who support Apple computers as well as Mac enthusiasts who want to upgrade, service, or troubleshoot their favorite machines. Fully revised, this second edition covers Apple`s new models, including the popular Mac mini apple mac computer and the iMac G5. Keyed to the learning objectives of the Apple Desktop Service apple mac computer and Apple Portable Service certification exams, this is the ...

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Previously, P2P applications using Java. Now JXTA, an open source, P2P development technology, enables developers to build real-world applications. Drawing on empirical research on existing end user programming, especially end users' strengths and problems, introducing tools and techniques as they are related to higher-level user issues. Now you're about to become one of the power users who want the capability to create, customize, and extend their applications software. Until now, only a few knowledgeable computer users knew how to harness the idle CPU cycles of their host computers to produce enormous databases of information, build powerful processing engines, and enable communication and file-sharing among users around the world. XP's Best-Kept Secrets--Revealed! Talk with voice and video to as many personal e-mail accounts as you need--and protect each against spam and undesirable e-mailers Create whiteboard drawings that scores of other users can see, change, and comment on--simultaneously Choose the best Internet communication programs in the world Send live video feeds from your computer and Internet connection for your needs, and share it with your household Understand the threat that Microsoft's . The ideas in the book analyzes cognitive, social, and technical computer cpu power subscribe user.