WebRTC Cookbook. Get to grips with advanced real-time communication applications and services on WebRTC with practical, hands-on recipes

Andrii Sergiienko

Hands-On Embedded Programming with QT. Develop high performance applications for embedded systems with C++ and Qt 5

John Werner

Qt is an open source toolkit suitable for cross-platform and embedded application development. This book uses inductive teaching to help you learn how to create applications for embedded and Internet of Things (IoT) devices with Qt 5.You’ll start by learning to develop your very first application with Qt. Next, you’ll build on the first application by understanding new concepts through hands-on projects and written text. Each project will introduce new features that will help you transform your basic first project into a connected IoT application running on embedded hardware. In addition to gaining practical experience in developing an embedded Qt project, you will also gain valuable insights into best practices for Qt development and explore advanced techniques for testing, debugging, and monitoring the performance of Qt applications. The examples and projects covered throughout the book can be run both locally and on an embedded platform.By the end of this book, you will have the skills you need to use Qt 5 to confidently develop modern embedded applications.

Learning Mambo: A Step-by-Step Tutorial to Building Your Website. A well-structured and example-rich tutorial to creating websites using Mambo

Douglas Paterson, Mambo Foundation Inc

Mambo is a mature and fully featured open-source Content Management System (CMS). Mambo is easy to use at the entry level for creating basic websites, while having the power and flexibility to support complex web applications.Mambo implements the core requirements of a full-featured CMS. It has a powerful and extensible templating system, user access control, content approval, rich administrative control, and content display scheduling. New features and extensions are added to the core system, with many more being available and supported by the community.This book targets the 4.6 release of Mambo, and takes you through creating an example website. Beginning with a discussion of the requirements for the example site, the site unfolds as you progress through the chapters, learning more about Mambo, and how to complete the tasks needed to build the site.You'll see the basic configuration options for setting up your site, and learn about Mambo's main elements as you work your way around its web-based administration area. As soon as you're familiar with the general principles and behavior of Mambo, it's time to pile on the features for your site; adding modules and components, uploading images and other resources, and managing templates. You will learn to use Mambo's powerful Universal Installer to effortlessly install add-ons that are not part of the standard distribution. The pages on your site, how they are displayed, and who can see them, are determined by Mambo's menu system. With many examples of the different types of menu items, the book will lead you through the important tasks of creating menu items, and help you understand how these choices structure the pages on your site and ease your visitors' navigation.You will see how to organize and enter your content into Mambo, and how to manage and edit this organization and your pieces of content. As we tackle user management, you will see how Mambo allows you to set up user accounts with different permissions, including a set of special users who can author or edit content. We also take a detailed look at the notifications that occur when content is submitted by these users. This analysis reveals how the Mambo publishing workflow process works, and how you can exploit it effectively. Moving on from the standard Mambo features, we look at some third-party extensions that add powerful discussion forum, event scheduling, and image gallery features to your site.To create a new look for your site, you create a new template. We cover this, and even if you're no expert in web design, you will be taken through a number of basic tasks to create an impressive new design for your site.

Flutter for Beginners. Cross-platform mobile development from Hello, World! to app release with Flutter 3.10+ and Dart 3.x - Third Edition

Thomas Bailey, Alessandro Biessek, Trevor Wills

There have been many attempts at creating frameworks that are truly cross-platform, but most struggle to create a native-like experience at high-performance levels. Flutter achieves this with an elegant design and a wealth of third-party plugins, solidifying its status as the future of mobile app development. If you are a mobile developer who wants to create rich and expressive native apps with the latest Google Flutter framework, this book is for you.You’ll start with the basics of cross-platform development frameworks, specifically Flutter. You’ll then explore the Dart programming language which is the foundation of the Flutter framework. Next, you’ll get a feel for Flutter and how to create your first app, followed by an exploration of the various popular plugins that supplement the Flutter framework. Finally, you’ll explore testing and app release, including some common glitches that you may experience.By the end of this book, you’ll be well-equipped to create and release a basic Flutter app along with gaining a solid understanding of the Flutter framework and Dart language.

Modernizing Oracle Tuxedo Applications with Python. A practical guide to using Oracle Tuxedo in the 21st century

Aivars Kalvans

Despite being developed in the 1980s, Oracle Tuxedo still runs a significant part of critical infrastructure and is not going away any time soon. Modernizing Oracle Tuxedo Applications with Python will help you get to grips with the most important Tuxedo concepts by writing Python code.The book starts with an introduction to Oracle Tuxedo and guides you in installing its latest version and Python bindings for Tuxedo on Linux. You'll then learn how to build your first server and client, configure Tuxedo, and start running an application. As you advance, you'll understand load balancing and work with the BBL server, which is at the heart of a Tuxedo application. This Tuxedo book will also cover Boolean expressions and different ways to export Tuxedo buffers for storage and transmission, before showing you how to implement servers and clients and use the management information base to change the configuration dynamically. Once you've learned how to configure Tuxedo for transactions and control them in application code, you'll discover how to use the store-and-forward functionality to reach destinations and use an Oracle database from a Tuxedo application.By the end of this Oracle Tuxedo book, you'll be able to perform common Tuxedo programming tasks with Python and integrate Tuxedo applications with other parts of modern infrastructure.

Joomla! 1.5 Templates Cookbook. Over 60 simple but incredibly effective recipes for taking control of Joomla! templates

Richard Carter, Chris Davenport

Templates in Joomla! provide a powerful way to make your site look exactly the way you want either using a single template for the entire site or a separate template for each site section. Although it sounds like an easy task to build and maintain templates, it can be challenging to get beyond the basics and customize templates to meet your needs perfectly.Joomla! 1.5 Templates Cookbook consists of a series of self-contained step-by-step recipes that cover everything from common tasks such as changing your site's logo or favicon and altering color schemes, to custom error pages and template overrides. It starts off with the basics of template design and then digs deep into more complex concepts. It will help you make your site more attractive and user-friendly. You will integrate your site with various social media such as Twitter and YouTube; make your site mobile-friendly with the help of recipes for creating and customizing mobile spreadsheets; and use miscellaneous tricks and tips to get the most out of your website. You get all of this in a simple recipe format that guides you quickly through the steps and explains how it all happened.

OpenVPN: Building and Integrating Virtual Private Networks. Learn how to build secure VPNs using this powerful Open Source application

Markus Feilner, Open VPN Solutions

OpenVPN is a powerful, open source SSL VPN application. It can secure site-to-site connections, WiFi and enterprise-scale remote connections. While being a full-featured VPN solution, OpenVPN is easy to use and does not suffer from the complexity that characterizes other IPSec VPN implementations. It uses the secure and stable TLS/SSL mechanisms for authentication and encryption.This book is an easy introduction to this popular VPN application. After introducing the basics of security and VPN, the book moves on to cover using OpenVPN, from installing it on various platforms, through configuring basic tunnels, to more advanced features, such as using the application with firewalls, routers, proxy servers, and OpenVPN scripting.While providing only necessary theoretical background, the book takes a practical approach, presenting plenty of examples.

Application Development with Qt Creator. Build cross-platform applications and GUIs using Qt 5 and C++ - Third Edition

Lee Zhi Eng, Ray Rischpater

Qt is a powerful development framework that serves as a complete toolset for building cross-platform applications, helping you reduce development time and improve productivity. Completely revised and updated to cover C++17 and the latest developments in Qt 5.12, this comprehensive guide is the third edition of Application Development with Qt Creator.You'll start by designing a user interface using Qt Designer and learn how to instantiate custom messages, forms, and dialogues. You'll then understand Qt's support for multithreading, a key tool for making applications responsive, and the use of Qt's Model-View-Controller (MVC) to display data and content. As you advance, you'll learn to draw images on screen using Graphics View Framework and create custom widgets that interoperate with Qt Widgets. This Qt programming book takes you through Qt Creator's latest features, such as Qt Quick Controls 2, enhanced CMake support, a new graphical editor for SCXML, and a model editor. You'll even work with multimedia and sensors using Qt Quick, and finally develop applications for mobile, IoT, and embedded devices using Qt Creator.By the end of this Qt book, you'll be able to create your own cross-platform applications from scratch using Qt Creator and the C++ programming language.