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There has been a long debate about whether uniformly accelerated charges should radiate electromagnetic energy and how one should describe their worldline through a flat spacetime, i.e., whether the Lorentz-Dirac equation is right. There are related questions in curved spacetimes, e.g., do different varieties of equivalence principle apply to charged particles, and can a static charge in a static spacetime radiate electromagnetic energy? The problems with the LD equation in flat spacetime are spelt out in some detail here, and its extension to curved spacetime is discussed. Different equivalence principles are compared and some vindicated. The key papers are discussed in detail and many of their conclusions are significantly revised by the present solution. Read more...

"People have told me that their lives have changed because of me. I take away from this the sense that I'm on the right track." "I believe you're here to live your life with passion. Otherwise, you're just traveling through the world blindly-and there's no point to that." "Oprah's on." It's the catchphrase that inspires millions around the world to tune in to one of the most trusted women in the history of television. Almost everyone follows Oprah's every move. One word about a book club selection sends an obscure first novel rocketing to the top of the bestseller list. Oprah Winfrey possesses what is arguably one of the world's most influential voices. Alive with her unique warmth and insight, Oprah Winfrey Speaks reveals the mystique of Oprah in her own words. Drawing on hundreds of sources, Janet Lowe provides an evocative, personal portrait. Here are Oprah's opinions on everything from childhood and overcoming adversity to dealing with fame and staying real. Oprah Winfrey Speaks highlights Oprah's abiding faith, no-nonsense business rules, generosity, and love as well as her 10 commandments for lifelong success. Oprah's lifetime theme has been personal transformation-she's constantly seeking, questioning, changing, and growing. This uplifting theme echoes throughout Oprah Winfrey Speaks. Here is just a hint of the wisdom you'll discover: * "Just tell the truth. It'll save you every time." * "Don't complain about what you don't have. Use what you've got. To do less Read more...

Discover what some of the most successful minds in business and finance have to say In the fully revised Second Edition of Jack Welch Speaks, Lowe presents-in Jack Welch's own words-the insights, visions, and philosophies that have guided Welch throughout his extraordinary career at GE and his post-GE life. This book offers an objective assessment of Welch-from the management principles that helped him soar to the controversy surrounding his compensation package-and provides lessons in leadership that cannot be found anywhere else. With this book as their guide, readers will not only learn how Jack Welch became one of the world's most-lauded CEOs, but they'll also discover exactly what it takes to achieve unparalleled success in today's dynamic business environment. Janet Lowe (Carlsbad, CA and Santa Fe, NM) is the author of the bestselling Bill Gates Speaks (0-471-29353-9) and Oprah Winfrey Speaks (0-471-39994-9). Her articles have appeared in such publications as Newsweek, the Christian Science Monitor, the Los Angeles Times, and the San Francisco Chronicle. Read more...

Most people come to know of Warren Buffett through his ability to generate wealth. However, as Janet Lowe reveals in her book, Warren Buffett Speaks, Buffett is more than a money-making machine. Warren Buffett Speaks is a library of notes and quotes that have been collected over the years, aimed at revealing the many aspects of the World's Greatest Investor--his wit, personality, and wisdom. The first half of the book deals with Buffett's view of life, family, and friends, while the latter half focuses on Buffett's investment philosophy and observations about the market. This book is a must for every Buffettologist. When Warren Buffett Speaks. . . people listen. "If people want to improve their investing skills, it has to help to study how the Master does it. This short book outlines Buffett's philosophy and techniques." —Peter S. Lynch, Fidelity Investments "Common sense with a deft irony . . ." —John C. Bogle, founder of The Vanguard Group and author, The Little Book of Common Sense Investing "It was Warren Buffett's thoughts and philosophy that first captivated investors. Janet Lowe has done us all a great service by collecting and arranging Warren Buffett's wit and wisdom in an easy-to-read and enjoyable book." —Robert G. Hagstrom, Portfolio Manager, Legg Mason Growth Trust mutual fund, and author, The Warren Buffett Way, Second Edition "A must-read. Buffett's wit and wisdom is a roadmap for anyone looking to succeed in business, investing, and life." — Read more...

The PHP Functions Essential Reference is a simple, clear and authoritative function reference that clarifies and expands upon PHP's existing documentation.The authors have spent time evaluating all of the PHP functions and have selected the essential functions to include in the printed book. This includes around 900 of the 1500 functions. The remaining functions will be covered in the same depth and treated in the same way, but they will appear on the newriders.com web site along with the content of the entire book, which is provided under the OPL. Read more...

Regular expressions are a central element of UNIX utilities like egrep and programming languages such as Perl. But whether you're a UNIX user or not, you can benefit from a better understanding of regular expressions since they work with applications ranging from validating data-entry fields to manipulating information in multimegabyte text files. Mastering Regular Expressions quickly covers the basics of regular-expression syntax, then delves into the mechanics of expression-processing, common pitfalls, performance issues, and implementation-specific differences. Written in an engaging style and sprinkled with solutions to complex real-world problems, Mastering Regular Expressions offers a wealth information that you can put to immediate use. Read more...

This handy little book offers programmers a complete overview of the syntax and semantics of regular expressions that are at the heart of every text-processing application. Ideal as a quick reference, Regular Expression Pocket Reference covers the regular expression APIs for Perl 5.8, Ruby (including some upcoming 1.9 features), Java, PHP, .NET and C#, Python, vi, JavaScript, and the PCRE regular expression libraries. This concise and easy-to-use reference puts a very powerful tool for manipulating text and data right at your fingertips. Composed of a mixture of symbols and text, regular expressions can be an outlet for creativity, for brilliant programming, and for the elegant solution. Regular Expression Pocket Reference offers an introduction to regular expressions, pattern matching, metacharacters, modes and constructs, and then provides separate sections for each of the language APIs, with complete regex listings including: * Supported metacharacters for each language API * Regular expression classes and interfaces for Ruby, Java, .NET, and C# * Regular expression operators for Perl 5.8 * Regular expression module objects and functions for Python * Pattern-matching functions for PHP and the vi editor * Pattern-matching methods and objects for JavaScript * Unicode Support for each of the languages With plenty of examples and other resources, Regular Expression Pocket Reference summarizes the complex rules for performing this crit Read more...

A step-by-step guide to building PHP web sites and applications using the Smarty templating engine - Bring the benefits of Smarty to your PHP programming -Give your designers the power to modify content and layout without PHP programming -Produce code that is easier to debug, maintain, and modify -Useful for both Smarty developers and users Smarty is a templating engine for PHP. Designers who are used to working with HTML files can work with Smarty templates, which are HTML files with simple tags while programmers work with the underlying PHP code. The Smarty engine brings the code and templates together. The result of all this is that designers can concentrate on designing, programmers can concentrate on programming, and they don't need to get in each others way so much. Even if you are developing a site on your own, Smarty is a powerful way to make your code clearer to you and others, as well as easier to debug and modify later. This book is a comprehensive guide to all aspects of using Smarty. It will help you to: -Install and configure Smarty on your Web server - Understand how Smarty affects your web site architecture, and build site foundations that make the most of what Smarty offers - Designers will learn to work with templates that contain variables and logic, to modify layouts or content of Smarty web sites - See how Smarty caching can improve the performance of your sites - Develop custom Smarty functions and plug-ins to incorporate into your templat Read more...

Review "Through a detailed analysis of the mechanics of visual cognition, this book teaches us how to see as designers, by anticipating how others will see our designs. Ware summarizes the thread of inquiry that leads through Goethe, Klee, Arnheim, Gibson and Tufte, sifting it for relevance to the artful science of visualization, and condensing it into one eminently readable volume." - Fritz Drury, Professor of Illustration, Rhode Island School of Design "All the clanking gears are here: variable resolution image detection, eye movements, environmental information statistics, bottom-up/top-down control structures, working memory, the nexus of meaning, and specialized brain areas and pathways. By the time he's done, Ware has reconstructed cognitive psychology, perception, information visualization, and design into an integrated modern form. This book is scary good." - Stuart Card, Senior Research Fellow, and manager of the User Interface Research group at the Palo Alto Research Center "In this fascinating new book, seasoned professionals, educators and students alike will find that Colin Ware has written an incredibly accessible text that translates years of scientific research into concrete design applications. In a clear and effective manner, Ware provides a comprehensive introduction to the interrelationships among the physiological and cognitive components through which humans process and understand the visual world. This scientific perspective for graphic design pr Read more...

This preparation book provides thorough coverage of the structures and vocabulary essential for exam success. Grammar is presented clearly and concisely in each unit, with integrated coverage of vocabulary and varied and challenging exercises. * Geared exactly to the requirements of the exams * Learner errors identified and corrected using the Longman Learner?s Corpus * Diagnostic test for every unit, and regular progress tests in exam format * Clear cross-referencing of related grammar and vocabulary * Special focus on useful words and phrases # Paperback: 296 pages # Publisher: Longman (May 3, 2002) # Language: English # ISBN-10: 0582518210 # ISBN-13: 978-0582518216 Read more...

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Book Description Secure Citrix Presentation Server, which runs on 99% of Fortune 500 Networks! Product Description Citrix Presentation Server allows remote users to work off a network server as if they weren't remote. That means: Incredibly fast access to data and applications for users, no third party VPN connection, and no latency issues. All of these features make Citrix Presentation Server a great tool for increasing access and productivity for remote users. Unfortunately, these same features make Citrix just as dangerous to the network it?s running on. By definition, Citrix is granting remote users direct access to corporate servers?..achieving this type of access is also the holy grail for malicious hackers. To compromise a server running Citrix Presentation Server, a hacker need not penetrate a heavily defended corporate or government server. They can simply compromise the far more vulnerable laptop, remote office, or home office of any computer connected to that server by Citrix Presentation Server. All of this makes Citrix Presentation Server a high-value target for malicious hackers. And although it is a high-value target, Citrix Presentation Servers and remote workstations are often relatively easily hacked, because they are often times deployed by overworked system administrators who haven't even configured the most basic security features offered by Citrix. "The problem, in other words, isn't a lack of options for securing Citrix instances; the problem is Read more...

Review Reviews of the First Edition: "The five volumes, plus an Index, of the Encyclopedia of Optimization are a major resource for anyone interested in optimization and its many applications . . . these volumes will enable the user to quickly understand and make use of specific methods of optimization, and to apply them to applications of interest. . . . The articles included in this Encyclopedia represent an invaluable source of information for anyone interested in optimization and its applications.” —Professor J.B. Rosen, Computer Science Department, University of California at San Diego "This is an extensively comprehensive piece of work that has been compiled by experts in a wide variety of areas throughout the world . . . this collection promises to be a valuable initial source of reference for many years to come.” —Professor Hanif D. Sherali, Thomas Rice Chaired Professor of Engineering, Department of Industrial and Systems Engineering, Virginia Polytechnic Institute and State University "Without any doubt the publishing of Encyclopedia of Optimization is an outstanding event of scientific life. Scientists can only thank and congratulate the Editors Prof. Floudas and Prof. Pardalos, Advisory Board and more than 400 contributors for perfect realization of this well-timed idea. . . . It will be of interest to researchers, students and managers in a variety of disciplines where the study of optimization and its application is relevant: operations research a Read more...

"If one book can help you master Vista, this is it." --Fred Langa, former editor-in-chief of Byte Magazine "These two know more about Windows than Microsoft does." --Chris Pirillo, editor of Lockergnome.com Go beyond Microsoft's Help guide and discover the true secrets of Windows Vista that are essential to power users. Written by two of the most recognized Windows authorities, this resource provides you with numerous tips, tricks, and undocumented features that aren't available anywhere else. You'll find extensive screenshots, tables, and illustrations that clearly show how to achieve optimal performance, fix desktop problems, and take advantage of the robust features of Windows Vista. The Insider's Guide to * Installing and upgrading your system (see Chapter 2) * Quickly finding and organizing all of your files (see Chapter 5) * Taking advantage of new security features (see Chapter 8) * Creating your own movies and DVDs (see Chapter 12) * Playing state-of-the-art games with amazing effects (see Chapter 14) * Going wireless using Windows Vista mobility features (see Chapter 15) * Managing your schedule with Windows® Calendar (see Chapter 20) Read more...

Alcohol is defined as a colorless liquid obtained either synthetically or naturally, through the fermentation of certain carbohydrates (that is, transformation of carbohydrates to alcohol by means of enzyme activity). The colorless liquid we often describe as “alcohol”—the one that is used in beer, wine, and other alcoholic beverages—is known as ethyl alcohol or ethanol. It is created when yeast spores cause sugars to ferment. Read more...

Self-Hypnosis shows you how to make your own tapes to reprogram your subconscious and attain your goals. The effect of these techniques is to put the "self" back in "self-help" and to eliminate the many dependencies and co-dependencies that complicate and take the joy out of life. Hypnotic suggestions are effective because they bypass the conscious mind’s natural resistance to change and reprogram the computer we call the subconscious to permanently effect these changes. By devoting a mere 20 minutes each day to this approach, you will literally take charge of your life. The results that can be achieved using these techniques are virtually endless. Hypnosis can: - Increase self-confidence. - Increase and focus concentration. - Improve memory. - Improve your sex life. - Enhance creativity. - Eliminate headaches, even migraines. - Eliminate insomnia. - Relieve chronic pain. - Slow down and even reverse the aging process. And don’t forget that self-hypnosis can be used for two problems plaguing so many people: losing weight and quitting smoking! This revised edition now comes with a 72-minute CD with self-hypnosis exercises designed to improve your self-image, overcome fears, improve your creativity, and much more. Self Hypnosis is a must-read for anyone interested in exploring self-awareness and taking control of his or her destiny. Read more...