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The flyweight pattern is a design pattern that is used to minimise resource usage when working with very large numbers of objects. When creating many thousands of identical objects, stateless flyweights can lower the memory used to a manageable level.

This new differential compression algorithm combines the hash value techniques and suffix array techniques of previous work. Differential compression refers to encoding a file (called a version file) as a set of changes with respect to another file (a reference file). This algorithm finds the best matches for every offset of the version file with respect to a certain level of detail and above a certain length threshold.

JavaScript Object Notation (JSON) and Asynchronous JavaScript + XML (Ajax) are staples of Web 2.0 development. This article demonstrates the native JSON and Ajax capabilities baked into the Web framework.

PHP is an easy-to-learn programming language. It's well suited for developing simple scripts you can use to help you in all kinds of games. Each article in this series will cover 10 scripts simple enough for even a beginning developer, but useful enough for a seasoned game player. The goal is to give you something you can modify to suit your needs, so you can impress players by busting out your laptop at your next gaming session.

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Flexible Task Graphs provides a single programming model for restricting what Java threads can do in exchange for very low latencies in support of real-time programming. The Flexible Task Graphs model subsumes four previous models that also used static analysis to accomplish this goal, combining the strengths of all of them. The four previous models were Eventrons, Exotasks, Reflexes, and StreamFlex.

Learn how to use your WebSphere sMash application JVMs to simplify Web 2.0 development and as a cluster in IBM WebSphere Virtual Enterprise. The On Demand Router component can also help you easily manage request flows to these sMash applications.

Developing mobile applications can be a daunting task. Fortunately, Yahoo! Blueprint helps alleviate this pain by providing a single way to develop mobile applications. With Blueprint, you can author a mobile application one time that can be targeted at mobile devices with a browser, allowing you to reach many users. In this tutorial, learn how to develop a weather mobile widget using the Yahoo! Blueprint platform.

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Learn how automated Web testing enhances your visibility and control over dynamic Web content. The e-Kit includes demos, on demand webcasts, podcasts, articles and case studies to learn how automation can improve your Web site quality and help you comply with privacy and accessiblity standards.

An article describes basic things about how to start programming parallel port using Visual Basic. It will helpful for beginners who want to get an idea about the subject.

Use the .NET built-in XML documentation support to quickly add documentation to your C# projects without major hassels.

IBM Frequent Subgraph Miner is a data-mining tool that uses the a priori algorithm for finding related sets of items in transactional data and expands the existing algorithm by graphing structured data. This technology includes a sample data set, which consists of 340 chemical compounds; a resulting research report, which describes the algorithm used in detail; and complete instructions, which describe how to use this tool.

Learn about Rational Service Tester for SOA Quality, a functional and performance testing tool for ensuring the quality of web service based SOA applications.

In this article I basically focus on how to write ‘if-then’ logic in assembly. Below a sample program code is provided which uses simple ‘if-then’ logic. This will give you some idea about how to use it in microcontroller Programming.

Use the Eclipse Integrated Development Environment (IDE) and Java Platform, Standard Edition (Java SE) 6 to create a stand-alone Web services application that can be run from the console. In this tutorial, the first in a series, start by getting familiar with the Eclipse IDE. Configure the environment; create projects, packages, and classes; then run the application from the command line.

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Writing code in Python is simple, however, writing code that is efficient and easy to maintain and reuse is not so straightforward. This is where this book intends to step in. Written by Tarek Ziadé, a contributor to the Zope code and an experienced Python developer, Expert Python Programming takes you on a practical tour of Python application development.

“If you're looking to progress from knowing Python to mastering Python, this is the book for you” says Shannon –jj Behrans, moderator of the San Francisco Bay Area Python Interest Group. He goes on to say that “this is exactly the type of book I wish I had had five years ago. What took me years to discover by steadfastly attending talks at PyCon and my local Python users' group is now available in a succinct book form.”

Expert Python Programming is a comprehensive guide covering every aspect of advanced python programming right from setting up the best development environment to covering agile methodologies in Python and applying proven object-oriented principles to your design. Some of the most important things covered include writing a package, writing an installation, using zc.buildout, managing code, managing life cycles, documentation, and optimization.

Finally, the book outlines some useful design patterns and suggestions on when to use them. All the explanations are provided with the help of practical, real-world examples. This book is for Python developers who are already building applications, but want to build better ones by applying best practices and new development techniques to their projects.

For more information on the book, please visit http://www.packtpub.com/expert-python-programming/book

In this article you understand basic instructions used in writing assembly language for a PIC16F84A microcontroller using a sample program written in assembly. Though it is not a complicated program by any means, it will help you to understand the basics.

Explains how to include multiple .config files to make ASP.NET Web application more secure and manageable. Microsoft ASP.Net provides a configuration system that can be used to keep our applications flexible at run-time.