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This book is a guide to FreeBSD for network administrators; therefore it does not cover basic installation and configuration of FreeBSD, but is about using FreeBSD to build, secure, and maintain networks. After introducing the basic tools for monitoring the performance and security of the system the book moves on to cover using jails-FreeBSD virtual environments-to secure your network. Then it shows how to overcome the different bottlenecks that you may meet depending on the services you are running by tweaking different parameters to maintain a high performance from your FreeBSD server. Next it covers using the ifconfig utility to configure interfaces with different layer protocols and about connectivity testing and debugging tools. After covering using User PPP or Kernel PPP for Point-to-Point Protocol network configuration it explains basic IP forwarding in FreeBSD and the use of the built-in routing daemons, routed and route6d, which support RIPv1, RIPv2, RIPng, and RDISC. Next it covers the OpenOSPFD and OpenBGPD daemons that you can install to run OSPF and BGP on your host. Then it covers setup and configuration of IPFW and PF, and finally looks at some important internet services and how to set them up on your FreeBSD server

If you have some programming experience and are ready to venture into Linux programming, this updated edition of the bestselling entry-level book takes you there. New to this edition are chapters on MySQL^® access and administration; programming GNOME^TM and KDE^TM; and Linux standards for portable applications. Coverage of kernel programming, device drivers, CVS, grep, and GUI development environments has expanded.

The authors guide you step by step, using construction of a CD database application to give you hands-on experience as you progress from the basic to the complex.

You’ll start with fundamental concepts like writing Linux programs in C. You’ll learn basic system calls, file I/O, interprocess communication, and shell programming. You’ll become skilled with the toolkits and libraries for working with user interfaces. The book starts with the basics, explaining how to compile and run your first program. First, each concept is explained to give you a solid understanding of the material. Practical examples are then presented, so you see how to apply the knowledge in real applications.

The Only Official, Best-Practice Guide to Qt 4.3 Programming

Using Trolltech's Qt you can build industrial-strength C++ applications that run natively on Windows, Linux/Unix, Mac OS X, and embedded Linux without source code changes. Now, two Trolltech insiders have written a start-to-finish guide to getting outstanding results with the latest version of Qt: Qt 4.3.

Packed with realistic examples and in-depth advice, this is the book Trolltech uses to teach Qt to its own new hires. Extensively revised and expanded, it reveals today's best Qt programming patterns for everything from implementing model/view architecture to using Qt 4.3's improved graphics support. You'll find proven solutions for virtually every GUI development task, as well as sophisticated techniques for providing database access, integrating XML, using subclassing, composition, and more. Whether you're new to Qt or upgrading from an older version, this book can help you accomplish everything that Qt 4.3 makes possible.

• Completely updated throughout, with significant new coverage of databases, XML, and Qtopia embedded programming
• Covers all Qt 4.2/4.3 changes, including Windows Vista support, native CSS support for widget styling, and SVG file generation
• Contains separate 2D and 3D chapters, coverage of Qt 4.3's new graphics view classes, and an introduction to QPainter's OpenGL back-end
• Includes new chapters on look-and-feel customization and application scripting
• Illustrates Qt 4's model/view architecture, plugin support, layout management, event processing, container classes, and much more
• Presents advanced techniques covered in no other book–from creating plugins to interfacing with native APIs
• Includes a new appendix on Qt Jambi, the new Java version of Qt

Cake is a rapid development framework for PHP that uses well-known design patterns and provides a structured framework that enables PHP users at all levels to rapidly develop robust web applications, without any loss of flexibility. It means you can code faster, your code is better, and it makes writing Web 2.0-style apps a snap.

This book builds on your knowledge as a PHP developer to provide a fast-paced, step-by-step tutorial in building CakePHP applications. The book is packed with example code and demo applications, so that you can see techniques in action.

Written by popular author and .NET expert Jesse Liberty, this thoroughly updated tutorial for beginning to intermediate programmers covers the latest release of Microsoft's popular C# language (C# 3.0) and the newest .NET platform for developing Windows and web applications. Our bestselling Programming C# 3.0, now in its fifth edition, is a world-class tutorial that goes well beyond the documentation otherwise available. Liberty doesn't just teach C#; he tells the complete story of the C# language and how it integrates with all of .NET programming, so that you can get started creating professional quality web and Windows applications. This book: Provides a comprehensive tutorial in C# and .NET programming that also serves as a useful reference you'll want by your side while you're working Covers all of the new features of the language, thoroughly integrated into every chapter, rather than tacked on at the end Provides insight into best practices and insight into real world programming by a professional programmer who worked with C# as an independent contractor for nearly a decade before joining Microsoft as a Senior Program Manager Every chapter in this book has been totally revised, and the entire book has been reorganized to respond to the significant changes in the language Full coverage, from the ground up of LINQ (Language Integrated Query) and other C# 3.0 language innovations to speed up development tasks Explains how to use C# in creating Web Applications as well as Windows Applications, using both the new Windows Presentation Foundation (WPF) and the older WinForms technology This new edition of Programming C# 3.0 is for working programmers who want to develop proficiency inMicrosoft's most important language. No prior .NET experience is required for you to get started. There's no time like the present to work with C# -- and no book like this one to teach you everything you need to know. Special note to VB6 and Java programmers: if you've decided to transition to .NET, this book will take you there.

Beginning C# is a book that offers a lot of guidance, in a format that readers find intuitive to follow. The exercise-based format of the Wrox Beginning series has a strong following by all levels of readers, and is one that works very well in the classroom or home. Written by a veteran programming instructor, this is the perfect mix of tutorial, and hands-on coding new programmers are looking for - written from their point of view.

Beginning C# is written for those readers with no prior programming experience who want a thorough, yet easy to understand, introduction to C# and Object Oriented Programming.

Completely updated for C# 3.0 and the .NET 3.5 platform, the new edition of this bestseller offers more than 250 code recipes to common and not-so-common problems that C# programmers face every day. Every recipe in the book has been reconsidered with more than a third of them rewritten to take advantage of new C# 3.0 features. If you prefer solutions you can use today to general C# language instruction, and quick answers to theory, this is your book. C# 3.0 Cookbook offers a new chapter on LINQ (language integrated query), plus two expanded chapters for recipes for extension methods, lambda functions, object initializers, new synchronization primitives and more. The new edition is also complemented by a public wiki, which not only includes all of the C# 2.0 recipes from the previous edition unchanged by the release of C# 3.0, but invites you to suggest better ways to solve those tasks. Here are some of topics covered: LINQ Numeric data types and Enumerations Strings and characters Classes and structures Generics Collections Exception handling Delegates, events, and lambda expressions Filesystem interactions Web site access XML usage (including LINQ to XML, XPath and XSLT) Networking Threading Data Structures & Algorithms Each recipe in the book includes tested code that you can download from oreilly.com and reuse in your own applications, and each one includes a detailed discussion of how and why the underling technology works. You don't have to be an experienced C# or .NET developer to use C# 3.0 Cookbook. You just have to be someone who wants to solve a problem now, without having to learn all the related theory first.

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 templates

Using a step-by-step approach based on realistic examples, the expert authors show you how to use Smarty in your own PHP development. The book is ideal for PHP developers who are new to Smarty, and for web designers who are working with PHP developers who are using Smarty.

FreeBSD and OpenBSD are increasingly gaining traction in educational institutions, non-profits, and corporations worldwide because they provide significant security advantages over Linux. Although a lot can be said for the robustness, clean organization, and stability of the BSD operating systems, security is one of the main reasons system administrators use these two platforms.

There are plenty of books to help you get a FreeBSD or OpenBSD system off the ground, and all of them touch on security to some extent, usually dedicating a chapter to the subject. But, as security is commonly named as the key concern for today's system administrators, a single chapter on the subject can't provide the depth of information you need to keep your systems secure.

FreeBSD and OpenBSD are rife with security "building blocks" that you can put to use, and Mastering FreeBSD and OpenBSD Security shows you how. Both operating systems have kernel options and filesystem features that go well beyond traditional Unix permissions and controls. This power and flexibility is valuable, but the colossal range of possibilities need to be tackled one step at a time. This book walks you through the installation of a hardened operating system, the installation and configuration of critical services, and ongoing maintenance of your FreeBSD and OpenBSD systems.

Using an application-specific approach that builds on your existing knowledge, the book provides sound technical information on FreeBSD and Open-BSD security with plenty of real-world examples to help you configure and deploy a secure system. By imparting a solid technical foundation as well as practical know-how, it enables administrators to push their server's security to the next level. Even administrators in other environments--like Linux and Solaris--can find useful paradigms to emulate.

Written by security professionals with two decades of operating system experience, Mastering FreeBSD and OpenBSD Security features broad and deep explanations of how how to secure your most critical systems. Where other books on BSD systems help you achieve functionality, this book will help you more thoroughly secure your deployments.

Like any other software system, Web sites gradually accumulate “cruft” over time. They slow down. Links break. Security and compatibility problems mysteriously appear. New features don’t integrate seamlessly. Things just don’t work as well. In an ideal world, you’d rebuild from scratch. But you can’t: there’s no time or money for that. Fortunately, there’s a solution: You can refactor your Web code using easy, proven techniques, tools, and recipes adapted from the world of software development.

In Refactoring HTML, Elliotte Rusty Harold explains how to use refactoring to improve virtually any Web site or application. Writing for programmers and non-programmers alike, Harold shows how to refactor for better reliability, performance, usability, security, accessibility, compatibility, and even search engine placement. Step by step, he shows how to migrate obsolete code to today’s stable Web standards, including XHTML, CSS, and REST—and eliminate chronic problems like presentation-based markup, stateful applications, and “tag soup.”

The book’s extensive catalog of detailed refactorings and practical “recipes for success” are organized to help you find specific solutions fast, and get maximum benefit for minimum effort. Using this book, you can quickly improve site performance now—and make your site far easier to enhance, maintain, and scale for years to come.

Beginning SQL Queries is your guide to mastering the lingua franca of the database industry: the SQL language. Good knowledge of SQL is crucial to anyone working with databases, because it is with SQL that you retrieve data, manipulate data, and generate business results. Knowing how to write good queries is the foundation for all work done in SQL, and it is a foundation that Clare lays well in her book.

• Does not bore with syntax!
• Helps you learn the underlying concepts involved in querying a database, and from there the syntax is easy
• Provides exceptionally clear examples and explanations
• Is academically sound while being practical and approachable

What you’ll learn

• Write simple queries to extract data from a single table.
• Understand relational algebra and calculus and why they are important.
• Combine data from many tables into one business result.
• Avoid pitfalls and traps such as Cartesian products and difficulties with null values.
• Summarize large amounts of data for reporting purposes.
• Apply set theory to the problems of manipulating data and generating reports.

Portable, powerful, and a breeze to use, Python is ideal for both standalone programs and scripting applications. With this hands-on book, you can master the fundamentals of the core Python language quickly and efficiently, whether you're new to programming or just new to Python. Once you finish, you will know enough about the language to use it in any application domain you choose.

Learning Python is based on material from author Mark Lutz's popular training courses, which he's taught over the past decade. Each chapter is a self-contained lesson that helps you thoroughly understand a key component of Python before you continue. Along with plenty of annotated examples, illustrations, and chapter summaries, every chapter also contains Brain Builder, a unique section with practical exercises and review quizzes that let you practice new skills and test your understanding as you go.

This book covers:

• Types and Operations -- Python's major built-in object types in depth: numbers, lists, dictionaries, and more
• Statements and Syntax -- the code you type to create and process objects in Python, along with Python's general syntax model
• Functions -- Python's basic procedural tool for structuring and reusing code
• Modules -- packages of statements, functions, and other tools organized into larger components
• Classes and OOP -- Python's optional object-oriented programming tool for structuring code for customization and reuse
• Exceptions and Tools -- exception handling model and statements, plus a look at development tools for writing larger programs

Learning Python gives you a deep and complete understanding of the language that will help you comprehend any application-level examples of Python that you later encounter. If you're ready to discover what Google and YouTube see in Python, this book is the best way to get started.