The book is written so that both experienced and novice Tclers can find useful information inside. It starts with quick introduction to Tcl and its networking support for those who are less familiar with them. Authors focus on showing practical, yet simple examples for each module and command described so that reader understands how to use them when solving the real life problems. The examples given are useful programs that try to solve real-world needs. All sample programs are clear and concise yet nothing essential is left out and the programming style focuses on readability rather than on stylistic rigor or efficiency. This book is for Tcl developers with basic network programming concepts, who want to add networking capabilities to their applications. Working knowledge of Tcl and basic experience of network protocols will be useful. The reader should be familiar with basic concepts used in modern networking – keywords like TCP, HTTP or XML should not be a mystery. The book does not require advanced knowledge of Tcl – the first chapters will swiftly introduce the reader into it, allowing refreshing the information or gaining a quick overview of the Tcl language abilities.

The book is structured so that following the chapters in order leads to building a fully functioning and live trading PrestaShop. Guidance is also given should you wish to learn or practice your skills in an offline, non-trading environment. Every chapter contains clearly structured and illustrated step-by-step explanation to achieve the goals discussed. Nothing is left for readers to work out themselves, but it would be very simple for them to use the information to go beyond the specific tutorials, should they wish to do so. There is optional additional reading, including more than a dozen specifically written downloadable e-books made available on the book's support website just for readers of PrestaShop 1.3 Beginners Guide. This book is for anybody who wants a fully functioning e-commerce store using PrestaShop. You do not have to have any previous knowledge of PrestaShop or any aspect of e-commerce or business in general. If you do, then you will probably find this guide really valuable as well. The book covers all you need to know about starting your own e-commerce business.

This book is a practical tutorial with five detailed and carefully explained case studies to build new and effective mashup applications. If you feel confident with your PHP programming, familiar with the basics of HTML and CSS, unafraid of XML, and interested in mashing things up, this is the book for you! There are a lot of formats and protocols, web services and web APIs encountered in this book ” you do not need to know anything about them or about AJAX; you will find all you need in the book.

Create games on multiple platforms from a single codebase using Haxe and the HaxeFlixel engine About This Book Learn the modern, cross-platform language Haxe to build games without any trouble Create engaging 2D games that are compatible with desktop, web, and mobile platforms Learn how to speed up your workflow with OpenFL and HaxeFlixel using this useful and compact guide Who This Book Is For This book is for game developers with some experience programming games on one or more platforms already. If you want to leverage your game development experience on one platform to develop for multiple platforms and to get up and running quickly, this book is for you. Having prior experience with a language similar to Haxe, such as ActionScript or JavaScript will help, but isn't required. What You Will Learn Understand the fundamentals of the Haxe programming language Set up a development environment that will work on Windows, Mac, and Linux Create fun 2D games using OpenFL and HaxeFlixel Understand how to implement a user interface Enhance the gameplay experience with cool animations Improve immersion by adding sound Make your game modular and easily expandable using configuration files Compile games that will work on desktop, web, and mobile platforms In Detail Haxe is a powerful and high-level multi-platform language that's incredibly easy to learn. Used by thousands of developers and many high-profile companies, Haxe is quickly emerging as a forerunner in the area of cross-platform programming. OpenFL builds on top of Haxe to make developing for multiple platforms quick and painless. HaxeFlixel provides you with the tools you need to build amazing 2D games easier than ever before. Cross-platform development has been supercharged using the Haxe programming language, making it increasingly easy and hassle-free to develop multi-platform games. If you've programmed games before and want to learn out how to deliver games across multiple platforms, or develop games faster, then Haxe Game Development Essentials is the book for you. It starts by showing you how to set up your development environment, then running you through some Haxe language fundamentals, and finally taking you through the process of programming a game from start to finish. You will learn how to create a side scrolling shooter game using HaxeFlixel. Next you will learn to enhance the game with new gameplay features, user interfaces, animations, sound, and configuration files to make your game expandable. Once your game is built and ready, you will learn how to deploy it to web, Android, iOS, and desktop systems. By the end of this book, you will be confident about creating multi-platform games using Haxe, OpenFL, and HaxeFlixel in a faster and easier way. Style and approach Since this book is aimed at people who have worked on games before, this book is written in a way that will get you quickly up to speed with a new set of tools, but will still be accessible for less experienced developers. Each chapter covers an essential milestone in building a game from start to finish. The chapters move in a logical fashion, starting with the basics of Haxe development and ending with preparing a game for deployment.

Leverage the power of LibGDX to create a fully functional, customizable RPG game for your own commercial title About This Book Learn game architecture and design patterns with concrete examples using proper software engineering principles Save time and money with this handy reference guide for future game development with LibGDX Design and develop a fully functional RPG video game from scratch with a hands on, step-by-step approach using LibGDX Who This Book Is For If you are an intermediate-level game developer who wants to create an RPG video game but found the creation process overwhelming, either by lack of tutorials or by getting lost in a sea of game-related technologies, engines, or frameworks, then this book is for you. This book assumes familiarity with Java and some basic knowledge of LibGDX. What You Will Learn Develop characters with stat attributes, player movement, animation, physics, and collision detection Create interactive NPC characters with speech windows and build immersion via dialog trees Build inventory management system UIs with drag and drop items to sell, buy, and equip Design a quest system to expand out the content of your game Form interesting enemies with battle mechanics and spawn points Devise *ed cutscenes to add an element of story and drama Develop save and load game profiles Create special effects to give the game extra “juiciness” and polish, and help build the atmosphere In Detail LibGDX is a Java-based framework developed with a heavy emphasis on performance, and includes cross-platform support out of the box (Windows, OS X, Linux, iOS, Android, and HTML5) as well as providing all the low-level functionality so that you can focus on developing your game and not battling with the platform. LibGDX also has an engaged and responsive community, active maintenance, and is available for free without a prohibitive license. Starting from the beginning, this book will take you through the entire development process of creating an RPG video game using LibGDX. First, this book will introduce you to the features specific to RPG games, as well as an overview of game architecture. Then, you will create map locations, develop character movement, add animation, integrate collision detection, and develop a portal system. Next, you will learn and develop a HUD and other UI components, as well as an inventory management system. You will then develop NPC interactions including dialog trees, shopkeepers, and quest givers. After this, you will design and create battle features for fighting enemies, as well as event triggers for world events. Finally, you will add the final polish with sound, music, and lighting effects. By the end of this book, you will have learned and applied core components from the LibGDX framework, as well as have a finished game to use as a springboard for customization and story development for your own commercial video game. Style and approach This book walks you through the concepts and implementation of developing a complete RPG game, unfolding chapter by chapter and building upon previous concepts. Each chapter can be used as an individual reference with diagrams to explain core concepts with concrete example code explained in detail.

Learn how to deploy and configure all the available Citrix NetScaler features with the best practices and techniques you need to know About This Book Implement and configure all the available NetScaler Application Delivery features and monitor NetScaler VPX performance in your environment Packed with real-word NetScaler deployment scenarios to help you see the configuration principles in action Integrate NetScaler with other Citrix technologies, including CloudBridge, Application Delivery Controller, HDX Insight, and Command Center Who This Book Is For If you’re an administrator with prior experience using NetScaler then you have everything you need to make the most of this book. What You Will Learn Configure the more commonly used NetScaler VPX features such as basic load balancing, authentication, NetScaler Gateway, and StoreFront Configure the AppExpert features such as Responder, Rewrite, AppExpert templates, parsing HTTP, TCP, and UDP data Integrate NetScaler with other Citrix technologies such as CloudBridge, Insight Center, and Command Center Optimize traffic using caching, front-end optimization, and compression Dive deep in the security, caching, and compression enhancements Protect your environment with AAA and Application Firewall, or from HTTP DDoS attacks Troubleshoot an environment using tools such as TaaS and WireShark In Detail Citrix NetScaler is one of the best Application Delivery Controller products in the world. The Application Delivery Controllers are commonly used for load balancing purposes, to optimize traffic, and to perform extra security settings. This book will give you an insight into all the available features that the Citrix NetScaler appliance has to offer. The book will start with the commonly used NetScaler VPX features, such as load balancing and NetScaler Gateway functionality. Next, we cover features such as Responder, Rewrite, and the AppExpert templates, and how to configure these features. After that, you will learn more about the other available Citrix technologies that can interact with Citrix NetScaler. We also cover troubleshooting, optimizing traffic, caching, performing protection using Application Firewall, and denying HTTP DDoS attacks for web services. Finally, we will demonstrate the different configuration principles real-world Citrix NetScaler deployment scenarios. Style and approach This easy-to-follow guide explains as much as possible about each feature and its configuration. Each topic is explained sequentially in the process of configuring and deploying the feature.

Create outstanding enterprise solutions around DocumentDB using the latest technologies and programming tools with Azure About This Book Get to know the concepts of DocumentDB and learn to work your way around it Manipulate and query your documents using different modern technologies to access DocumentDB Build a real-life scenario using Microsoft Visual Studio and C# with this handy and practical guide Who This Book Is For This book is for novice developers and database architects who need a thorough knowledge of the features of DocumentDB and developing applications with it. Basic knowledge of SQL would be helpful. What You Will Learn Create, manage, and configure your DocumentDB environment Execute SQL queries from simple to complex and nested ones against your database Get to know about advanced DocumentDB techniques such as scopes, portioning, indexing, triggers, UDF’s, and security Fine-tune your DocumentDB database to optimize performance and costs Interact with DocumentDB from different technologies and platforms Build a real-life scenario using C# and put DocumentDB at the heart of Azure solutions Understand how to migrate from your current datastore to DocumentDB In Detail Learning DocumentDB adopts a practical, step-by-step approach to help you learn the basics of DocumentDB and use your new-found abilities in real-life scenarios and enterprise solutions. We start with the absolute basics, such as setting up a DocumentDB environment, and guide you through managing your databases, and executing simple and complex queries. Next, we explain how to work with DocumentDB using the open REST protocol, and demonstrate how JavaScript works with DocumentDB. We’ll also show you how to authenticate and execute queries. Moving on, you’ll find out how to use DocumentDB from within Node.js to kick-start your Node.js projects. Next, you’ll discover how to increase the performance of your DocumentDB database and fine-tune it. Finally, you’ll get to grips with using DocumentDB in conjunction with other services offered from the Microsoft Azure platform. Style and approach This book can be used as a tutorial where you learn step by step, but also as a knowledge base to quickly look up recipes you can instantly utilize. Starting with the basics and moving on to advanced topics, every concept is explained in theory and demonstrated through easy-to-understand examples.

Design, build, and program your own remarkable robots with JavaScript and open source hardware About This Book Learn how to leverage Johnny-Five's Read, Eval, Print Loop, and Event API to write robot code with JavaScript Unlock a world of exciting possibilities by hooking your JavaScript-programmed robots up to the internet and using external data and APIs Move your project code from the Arduino Uno to a multitude of other robotics platforms Who This Book Is For If you've worked with Arduino before or are new to electronics and would like to try writing sketches in JavaScript, then this book is for you! Basic knowledge of JavaScript and Node.js will help you get the most out of this book. What You Will Learn Familiarise yourself with Johnny-Five Read, Eval, and Print Loop (REPL) to modify and debug robotics code in real time Build robots with basic output devices to create projects that light up, make noise, and more Create projects with complex output devices, and employ the Johnny-Five API to simplify the use of components that require complex interfaces, such as I2C Make use of sensors and input devices to allow your robotics projects to survey the world around them and accept input from users Use the Sensor and Motor objects to make it much easier to move your robotics projects Learn about the Animation API that will allow you to program complex movements using timing and key frames Bring in other devices to your Johnny-Five projects, such as USB devices and remotes Connect your Johnny-Five projects to external APIs and create your own Internet of Things! In Detail There has been a rapid rise in the use of JavaScript in recent times in a variety of applications, and JavaScript robotics has seen a rise in popularity too. Johnny-Five is a framework that gives NodeBots a consistent API and platform across several hardware systems. This book walks you through basic robotics projects including the physical hardware builds and the JavaScript code for them. You'll delve into the concepts of Johnny-Five and JS robotics. You'll learn about various components such as Digital GPIO pins, PWM output pins, Sensors, servos, and motors to be used with Johnny-Five along with some advanced components such as I2C, and SPI. You will learn to connect your Johnny-Five robots to internet services and other NodeBots to form networks. By the end of this book, you will have explored the benefits of the Johnny-Five framework and the many devices it unlocks. Style and approach This step-by-step guide to the Johnny-Five ecosystem is explained in a conversational style, packed with examples and tips. Each chapter also explores the Johnny-Five documentation to enable you to start exploring the API on your own.

Explore architectural approaches to building Data Lakes that ingest, index, manage, and analyze massive amounts of data using Big Data technologies About This Book Comprehend the intricacies of architecting a Data Lake and build a data strategy around your current data architecture Efficiently manage vast amounts of data and deliver it to multiple applications and systems with a high degree of performance and scalability Packed with industry best practices and use-case scenarios to get you up-and-running Who This Book Is For This book is for architects and senior managers who are responsible for building a strategy around their current data architecture, helping them identify the need for a Data Lake implementation in an enterprise context. The reader will need a good knowledge of master data management, information lifecycle management, data governance, data product design, data engineering, and systems architecture. Also required is experience of Big Data technologies such as Hadoop, Spark, Splunk, and Storm. What You Will Learn Identify the need for a Data Lake in your enterprise context and learn to architect a Data Lake Learn to build various tiers of a Data Lake, such as data intake, management, consumption, and governance, with a focus on practical implementation scenarios Find out the key considerations to be taken into account while building each tier of the Data Lake Understand Hadoop-oriented data transfer mechanism to ingest data in batch, micro-batch, and real-time modes Explore various data integration needs and learn how to perform data enrichment and data transformations using Big Data technologies Enable data discovery on the Data Lake to allow users to discover the data Discover how data is packaged and provisioned for consumption Comprehend the importance of including data governance disciplines while building a Data Lake In Detail A Data Lake is a highly scalable platform for storing huge volumes of multistructured data from disparate sources with centralized data management services. It eliminates the need for up-front modeling and rigid data structures by allowing schema-less writes. Data Lakes make it possible to ask complex far-reaching questions to find out hidden data patterns and relationships. This book explores the potential of Data Lakes and explores architectural approaches to building data lakes that ingest, index, manage, and analyze massive amounts of data using batch and real-time processing frameworks. It guides you on how to go about building a Data Lake that is managed by Hadoop and accessed as required by other Big Data applications such as Spark, Storm, Hive, and so on, to create an environment in which data from different sources can be meaningfully brought together and analyzed. Data Lakes can be viewed as having three capabilities—intake, management, and consumption. This book will take readers through each of these processes of developing a Data Lake and guide them (using best practices) in developing these capabilities. It will also explore often ignored, yet crucial considerations while building Data Lakes, with the focus on how to architect data governance, security, data quality, data lineage tracking, metadata management, and semantic data tagging. By the end of this book, you will have a good understanding of building a Data Lake for Big Data. You will be able to utilize Data Lakes for efficient and easy data processing and analytics. Style and approach Data Lake Development with Big Data provides architectural approaches to building a Data Lake. It follows a use case-based approach where practical implementation scenarios of each key component are explained. It also helps you understand how these use cases are implemented in a Data Lake. The chapters are organized in a way that mimics the sequential data flow evidenced in a Data Lake.

This book is written using a practical approach that guides you through different practical scenarios. It provides a brief introduction to the topics; this way you can quickly get to know the main features, start being productive with the tool, and grow with it at a fast pace. You won't have to spend too much time getting to the basics of the tool and can immediately progress towards the advanced tips. Using this practical approach you don't have to spend valuable time trying to decipher arid reference manuals; you can easily set up the practical scenarios, and try to follow up the presentations. The images used in the book come from real scenarios, and the output is always explained so you can easily interpret what is being displayed on the screen after issuing the commands. This book is aimed at all Oracle professionals who interact with the database through the data and database utilities and are willing to optimize their interaction with it. Entry-level users will get acquainted with the best practices to get their job done in a timely and efficient manner. Advanced users will find useful tips and How-Tos that will help them focus on getting the most out of the database utilities and fine-tune batch processing.

This book is a guide to building a rich web application using Grails. The approach taken for building the application is incremental and iterative; each chapter will produce a working addition to the application, or iterate over existing features, as well as introduce and carefully explain the new part of the Grails framework used. The book does not go into exhaustive de*ions of every detail of Grails. While there is a lot of code in the book, there are very few large code listings. As you will find, it is not necessary to write reams of code to get results using Groovy and Grails. This book is aimed at Java web developers looking for ways to build web applications quickly, and wanting to find out how it's done quickly. If you are frustrated with integrating the many different frameworks that are available for web development and want to get on with building slick web applications for your users, then this book is for you. Grails is built on the Groovy language, but experience in Groovy is not required, as you will learn enough about Groovy to understand how to use Grails.

The book is written from a developer perspective and uses an example-driven approach with extensive code samples on each topic, for easy understanding and learning. It starts with some basic concepts of portals, before going into the features and implementation of JBoss Portal and eventually discussing some concepts for advanced use. Each chapter provides a blend of just enough basic concepts to start building applications and detailed configurations for reference. This book is for portal developers, portal administrators, designers and architects working on the Java platform, who want to build web portal solutions. The book doesn't expect an expert knowledge of portal or JEE technologies, but does presume a basic understanding of web technologies and the Java/JEE platform. However, the concepts are lucid enough that any competent developer can easily find immediate value in the book and start creating dynamic portal applications.

This book focuses on teaching by example. Every chapter provides a bit of an overview, and then dives right in to hands-on examples so you can see and play with the solution in your own environment. All code samples run on both the latest Enterprise and Labs release. This book will be most useful to developers who are writing code to customize Alfresco for their organization or who are creating custom applications that sit on top of Alfresco. This book is for Java developers, and you will get most from the book if you already work with Java but you need not have prior experience on Alfresco. Although Alfresco makes heavy use of open source frameworks such as Spring, Hibernate, JavaServer Faces, and Lucene, no prior experience using these is assumed or necessary.

Written as an interactive tutorial, this book covers the core of Kali Linux with realworld examples and stepbystep instructions to provide professional guidelines and recommendations for you. The book is designed in a simple and intuitive manner that allows you to explore the whole Kali Linux testing process or study parts of it individually. If you are an IT security professional who has a basic knowledge of Unix/Linux operating systems, including an awareness of information security factors, and want to use Kali Linux for penetration testing, then this book is for you.

This book is a tutorial guide that covers each topic in depth with examples. The stepbystep approach will help you better understand each task as you will have to perform them frequently when utilizing the services. If you are a Dynamics AX developer, new or experienced who wants to implement services with Microsoft Dynamics AX 2012, then this book is for you. A basic understanding of MorphX and X++ is assumed, but the stepbystep instructions are easy to follow even for beginners. Some examples use C# and .NET, so experience with Visual Studio is a plus but not a must.

With lots of practical, handson, stepbystep examples, this book will lead you through how to extend and optimize your Symfony2 framework. If you have a good understanding of how Symfony works and are now trying to integrate complex tasks in your application, or want to better organize your application by keeping each piece of code where it belongs so it can be decoupled and easily used elsewhere, then this book is for you.

This book follows a stepbystep tutorial approach with some realworld scenarios that vSphere businesses will be required to overcome every day. This book also discusses creating and configuring virtual machines and also covers monitoring virtual machine performance and resource allocation options. This book is for VMware administrators who want to build their knowledge of virtual machine administration and configuration. It’s assumed that you have some experience with virtualization administration and vSphere.

"Learning PowerCLI" is written in a friendly and practical style with a focus on getting you started and automating daily tasks quickly and efficiently. If you manage or administrate a vSphere environment, and want to make that easier and more efficient, then this book is for you! This book is ideal for you if you want to learn how to automate your VMware vSphere infrastructure, by getting the most out of PowerCLI. It’s assumed that you have some experience in administrating a VMware vSphere environment. Knowledge of Microsoft’s Windows PowerShell is not a prerequisite.

This book follows a recipebased approach that will heavily focus on the code and how to integrate the samples with the reader’s projects.Each recipe consists of one or more methods that you can put directly into your app and use. This book is ideal for developers that want to create network applications for the Apple OS X or iOS platforms. All examples are written in ObjectiveC using XCode as the IDE. Knowledge of ObjectiveC and XCode is essential.

This book is a stepbystep compositing guide, with lots of illustrations and practical approaches and implementations to attain a desired visual quality to a deadline. Each chapter progressively adds to your skillset, covering a wide range of CG film making compositing concepts. This book is for digital CG artists looking to add photo realism and life to their footage. This book also assists technical CG artists in strategizing and implementing productive lighting. If you are new to Blender or compositing, this book will guide you step by step in gaining compositing skills.

This book is for anyone who's worked with Clojure and wants to use it to start developing applications for the Web. Experience or familiarity with basic Clojure syntax is a must, and exposure to Leiningen (or other similar build tools such as Maven) would be helpful.