If you are new to game development or have just gotten your teeth into developing games but desire to learn more, then this book is for you. An understanding of the essentials of JavaScript is required.

This book is perfect for hardware enthusiasts who want to develop amazing projects using Raspberry Pi. Some knowledge and experience working with Linux, C, and Python is a plus, but once you're set up to go, you'll be ready to push the creative capabilities of your Raspberry Pi even further.

If you are a web developer who has a basic understanding of Ruby on Rails, this is the book for you. You should definitely have previous knowledge about HTML and how it works. However, CSS and JavaScript knowledge is optional for this book.

This book is aimed at Zabbix administrators who want to learn how to improve the performance of the Zabbix system. Basic knowledge of Zabbix's components and features is assumed.

This book is aimed at developers and designers who want to start developing their own themes and extensions and for those who want to know about the code workflow of the OpenCart theme and modules.

If you are a game developer with experience in Objective-C and are interested in creating games for iOS or Android, this is the book for you. It will help you to quickly get started with Cocos2D and guide you through the process of creating a game, giving you the essential skills and knowledge you need to do so.

If you want to get started with JIRA Agile and learn how to run your JIRA projects the agile way, then this is the perfect book for you. You will need to be familiar with the basics of JIRA, both from an end user's and an administrator's perspective. Experience with workflows, custom fields, and other administrative functions of JIRA will be useful.

Develop applications on one of the most popular platforms for IoT using Particle Photon and Electron with this fast-paced guide About This Book Get an introduction to IoT architecture, command-line build tools and applications of IoT devices and sensors Design and develop connected IoT applications using Particle Photon and Electron in a step-by-step manner, gaining an entry point into the field of IoT Get tips on troubleshooting IoT applications Who This Book Is For This book is for developers, IoT enthusiasts and hobbyists who want to enhance their knowledge of IoT machine-to-machine architecture using Particle Photon and Electron, and implement cloud-based IoT projects. What You Will Learn Setup the Particle Photon and Electron on the cloud using the command-line tools Build and deploy applications on the Photon and Electron using the Web-based IDE Setup a local cloud server to interact with Particle Photon and Electron Connect various components and sensors to Particle Photon and Electron Tinker with the existing firmware and deploy a custom firmware on the Photon and Electron Setup communication between two or more Particle Photon and Electron Debug and troubleshoot Particle Photon and Electron projects Use webhooks to communicate with various third-party server applications In Detail IoT is basically the network of physical devices, vehicles, buildings and other items—embedded with electronics, software, sensors, actuators, and network connectivity that enable these objects to collect and exchange data.. The number of connected devices is growing rapidly and will continue to do so over years to come. By 2020, there will be more than 20 billion connected devices and the ability to program such devices will be in high demand. Particle provides prototyping boards for IoT that are easy to program and deploy. Most importantly, the boards provided by Particle can be connected to the Internet very easily as they include Wi-Fi or a GSM module. Starting with the basics of programming Particle Photon and Electron, this book will take you through setting up your local servers and running custom firmware, to using the Photon and Electron to program autonomous cars. This book also covers in brief a basic architecture and design of IoT applications. It gives you an overview of the IoT stack. You will also get information on how to debug and troubleshoot Particle Photon and Electron and set up your own debugging framework for any IoT board. Finally, you’ll tinker with the firmware of the Photon and Electron by modifying the existing firmware and deploying them to your boards. By the end of this book, you should have a fairly good understanding of the IoT ecosystem and you should be able to build standalone projects using your own local server or the Particle Cloud Server. Style and approach This project-based guide contains easy-to-follow steps to program Particle Photon and Electron. You will learn to build connected applications with the help of projects of increasing complexity, and with each project, a new concept in IoT is taught.

"Key Features ?Gain a solid understanding of Gulp and write your own custom tasks from scratch ?Discover ways to add additional functionality to improve your tasks ?Get up-and-running with new features added to the latest version of Gulp Book De*ion This book is a hands-on guide to get you up to speed with gulp. You will quickly learn how to install, configure, and run your own build system. It will instill you with the ability to automate several common development tasks to vastly improve your development workflow. This book first demonstrates various Gulp use cases before running through the steps of configuring, running, and customizing Gulp, providing you with core concepts of gulp, node.js, and npm. Diving a bit deeper into the gulp ecosystem, we will discuss when and why to use a node module instead of a gulp plugin. We will also go over a few issues that we can run into while using gulp and learn about ways to work around them to improve your gulp experience. By the end of this book, you will be able to create your very own gulp build from scratch, create and maintain tasks and project builds, and automate your workflow with plugins and custom tasks. What you will learn ?How to use a command-line interface. ?Learn about Gulp, Node.js, and npm and how they work together. ?Create a Gulpfile from scratch and implement it into a project. ?Write basic tasks that will concatenate, minify, compress, and pre-process your files. ?Write advanced tasks that will run a local server, sync file changes to your browser, and allow you to write client-side JavaScript using ES2015. "

Extend SQLite with mobile development skills to build great apps for iOS devices About This Book Implement Swift code using SQLite statements Learn the background to SQL and SQLite for mobile development, its statements, and command features through practical examples Extend the standard SQLite functionality and increase your software creation portfolio Who This Book Is For This book is intended for those who want to learn about SQLite and how to develop apps in Swift or HTML5 using SQLite. Whether you are an expert Objective-C programmer or new to this platform, you'll learn quickly, grasping the code in real-world apps to use Swift. What You Will Learn Explore Swift's basic language statements Connect to SQLite and execute SQL statements Extend the SQLite language to create your own software extensions Use HTML5 with Phonegap on iOS Set up a Swift project using XCode with SQLite Administer SQLite databases in an easy and effective way In Detail The ability to use SQLite with iOS provides a great opportunity to build amazing apps. Apple's iOS SDK provides native support for SQLite databases. This combination offers the potential to create powerful, data-persistent applications. This book starts with the architecture of SQLite database and introduces you to concepts in SQL . You will find yourself equipped to design your own database system, administer it, and maintain it. Further, you will learn how to operate your SQLite databases smoothly using SQL commands. You will be able to extend the functionality of SQLite by using its vast arsenal of C API calls to build some interesting, exciting, new, and intelligent data-driven applications. Understand how Xcode, HTML5, and Phonegap can be used to build a cross-platform modern app which can benefit from all these technologies - all through creating a complete, customizable application skeleton that you can build on for your own apps. Style and approach This book is a practical and comprehensive guide to developing applications using SQLite and iOS.

Get started with the smallest, cheapest, and highest-utility Pi ever—Raspberry Pi Zero About This Book Get started with Raspberry Pi Zero and put all of its exciting features to use Create fun games and programs with little or no programming experience Learn to use this super-tiny PC to control hardware and software for work, play, and everything else Who This Book Is For This book is for hobbyists and programmers who are taking their first steps toward using Raspberry Pi Zero. No programming experience is required, although some Python programming experience might be useful. What You Will Learn Understand how to initially download the operating system and set up Raspberry Pi Zero Find out how to control the GPIO pins of Raspberry Pi Zero to control LED circuits Get to grips with adding hardware to the GPIO to control more complex hardware such as motors Add USB control hardware to control a complex robot with 12 servos Include speech recognition so that projects can receive commands Enable the robot to communicate with the world around it by adding speech output Control the robot from a distance and see what the robot is seeing by adding wireless communication Discover how to build a Robotic hand and a Quadcopter In Detail Raspberry Pi Zero is half the size of Raspberry Pi A, only with twice the utility. At just three centimeters wide, it packs in every utility required for full-fledged computing tasks. This practical tutorial will help you quickly get up and running with Raspberry Pi Zero to control hardware and software and write simple programs and games. You will learn to build creative programs and exciting games with little or no programming experience. We cover all the features of Raspberry Pi Zero as you discover how to configure software and hardware, and control external devices. You will find out how to navigate your way in Raspbian, write simple Python *s, and create simple DIY programs. Style and approach This is a practical and fun ?getting startedtutorial that will guide you through everything new that the Raspberry Pi has to offer.

Improve your code maintainability, performance, and security through practical expert insights and unlock the full potential of JavaScript About This Book Improve your JavaScript code for better maintainability and performance Discover how to implement scalable application architecture with JavaScript Learn to use JavaScript behind the browser, including its command-line tools, desktop apps, and native mobile apps Who This Book Is For JavaScript Unlocked is for those JS developers who want to see just how far they can push their favourite language through practical insight and techniques. What You Will Learn Make your code readable and expressive by using simple syntax of JavaScript Grasp existing JavaScript collections such as arrays and array-like objects Develop abstract data types in most effective way to extend JavaScript into a more flexible and powerful programming language Examine the pros and cons of JavaScript by implementing real-time code examples Flourish real-time mini-projects by using JavaScript on server side to develop desktop as well as mobile applications Work on parallel tasks with asynchronous JavaScript Improve code maintainability and readability and boost apps performance through JavaScript In Detail JavaScript stands bestride the world like a colossus. Having conquered web development, it now advances into new areas such as server *ing, desktop and mobile development, game *ing, and more. One of the most essential languages for any modern developer, the fully-engaged JavaScript programmer need to know the tricks, non-documented features, quirks, and best practices of this powerful, adaptive language. This all-practical guide is stuffed with code recipes and keys to help you unlock the full potential of JavaScript. Start by diving right into the core of JavaScript, with power user techniques for getting better maintainability and performance from the basic building blocks of your code. Get to grips with modular programming to bring real power to the browser, master client-side JavaScript *ing without jQuery or other frameworks, and discover the full potential of asynchronous coding. Do great things with HTML5 APIs, including building your first web component, tackle the essential requirements of writing large-scale applications, and optimize JavaScript’s performance behind the browser. Wrap up with in-depth advice and best practice for debugging and keeping your JavaScript maintainable for scaling, long-term projects. With every task demonstrated in both classic ES5 JavaScript and next generation ES6-7 versions of the language, Whether read cover-to-cover or dipped into for specific keys and recipes, JavaScript Unlocked is your essential guide for pushing JavaScript to its limits.Style and approachThis practice-oriented cookbook is packed full of code examples put in the form: problem, classical solution, and methods to optimize webpage in both JavaScript ES5 and ES6 language editions. But this thorough guide is best-suited to those who like to “learn by doing” as the topics are covered using real-life examples and tutorials.

Develop vision-aware and intelligent Android applications with the robust OpenCV library About This Book This is the most up-to-date book on OpenCV Android programming on the market at the moment. There is no direct competition for our title. Based on a technology that is increasing in popularity, proven by activity in forums related to this topic. This book uniquely covers applications such as the Panoramic viewer and Automatic Selfie, among others. Who This Book Is For If you are an Android developer and want to know how to implement vision-aware applications using OpenCV, then this book is definitely for you. It would be very helpful if you understand the basics of image processing and computer vision, but no prior experience is required What You Will Learn Identify and install all the elements needed to start building vision-aware Android applications Explore image representation, colored and gray scale Recognize and apply convolution operations and filtering to deal with noisy data Use different shape analysis techniques Extract and identify interest points in an image Understand and perform object detection Run native computer vision algorithms and gain performance boosts In Detail Starting from the basics of computer vision and OpenCV, we'll take you all the way to creating exciting applications. You will discover that, though computer vision is a challenging subject, the ideas and algorithms used are simple and intuitive, and you will appreciate the abstraction layer that OpenCV uses to do the heavy lifting for you. Packed with many examples, the book will help you understand the main data structures used within OpenCV, and how you can use them to gain performance boosts. Next we will discuss and use several image processing algorithms such as histogram equalization, filters, and color space conversion. You then will learn about image gradients and how they are used in many shape analysis techniques such as edge detection, Hough Line Transform, and Hough Circle Transform. In addition to using shape analysis to find things in images, you will learn how to describe objects in images in a more robust way using different feature detectors and de*ors. By the end of this book, you will be able to make intelligent decisions using the famous Adaboost learning algorithm. Style and approach An easy-to-follow tutorial packed with hands-on examples. Each topic is explained and placed in context, and the book supplies full details of the concepts used for added proficiency.

Learn to build modern native iOS and Android applications using JavaScript and the incredible power of React About This Book Learn to design and build a fully-featured application using the newest cutting-edge framework from Facebook Leverage your JavaScript skills to become a native app developer Develop custom UI components, implement smooth navigation, and access native features such as geolocation and local storage Who This Book Is For This book is for web developers who want to learn to build fast, good-looking, native mobile applications using the skills they already have. If you already have some JavaScript knowledge or are using React on the web, then you will be able to quickly get up and running with React Native for iOS and Android. What You Will Learn Set up the React Native environment on both devices and emulators Gain an in-depth understanding of how React Native works behind the scenes Write your own custom native UI components Learn the ins and outs of screen navigation Master the art of layout and styles Work with device-exclusive data such as geolocation Develop native modules in Objective-C and Java that interact with JavaScript Test and deploy your application for a production-ready environment In Detail React Native is a game-changing approach to hybrid mobile development. Web developers can leverage their existing skills to write mobile applications in JavaScript that are truly native without using cross-compilation or web views. These applications have all of the advantages of those written in Objective-C or Java, combined with the rapid development cycle that JavaScript developers are accustomed to. Web developers who want to develop native mobile applications face a high barrier to entry, because they are forced to learn platform-specific languages and frameworks. Numerous hybrid technologies have tried to simplify this process, but have failed to achieve the performance and appearance that users expect. This book will show you all the advantages of true native development that React Native has without the steep learning curve, leveraging the knowledge you already have. We do this by getting you up and running quickly with a sample application. Next, we’ll introduce you to the fundamentals of creating components and explain how React Native works under the hood. Once you have established a solid foundation, you will dive headfirst into developing a real-world application from start to finish. Along the way, we will demonstrate how to create multiple screens and navigate between them,use layout and style native UI components, and access native APIs such as local storage and geolocation. Finally, we tackle the advanced topic of Native modules, which demonstrates that there are truly no limits to what you can do with React Native. Style and approach This book provides a simple and easy way to build mobile applications in JavaScript. Each topic takes you through the life cycle of creating a fully-functional native app, with detailed explanations of the entire process.

Create and customize your very own Minecraft server using Java and the Spigot API About This Book Set up a Minecraft server that you control Use object-oriented programming to modify Minecraft regardless of your level of experience This interactive guide will help you create a unique experience for you and your friends Who This Book Is For This book is great for anyone who is interested in customizing their Minecraft server. Whether you are new to programming, Java, Bukkit, or even Minecraft itself, this book has you covered. All you need is a valid Minecraft account. If you are interested in programming as a career or hobby, this book will get you started. If you are simply interested in playing Minecraft with your friends, then this book will help you make that experience even more enjoyable. What You Will Learn Install and run a Spigot server for free on your home PC Adjust the server settings to customize Minecraft to your liking Install an IDE and configure a project to write code Install and test plugins on a Spigot server Test your plugins through debugging the code Program in game commands and permissions Get to know advanced programming concepts such as event-driven programming, configuration files, saving/loading data, and scheduled tasks Implement configuration files to make your plugins customizable Save and load your plugin's data to persist across server restarts In Detail Minecraft is a sandbox game that allows you to play it in any way you want. Coupled with a multiplayer server powered by Spigot, you can customize the game even more! Using the Bukkit API, anyone interested in learning how to program can control their Minecraft world by developing server plugins. This book is a great introduction to software development through the wonderful world of Minecraft. We start by instructing you through how to set up your home PC for Minecraft server development. This includes an IDE complete with the required libraries as well as a Spigot server to test on. You will be guided through writing code for several different plugins. Each chapter teaches you new skills to create plugins of increasing complexity, and each plugin adds a new concept of the Bukkit API By the end of the book, you will have all the knowledge you need about the API to successfully create any type of plugin. You can then practice and build your Java skills through developing more mods for their server. Style and approach This hands-on guide is filled with interactive examples to help you modify Minecraft. Programming terms and concepts are explained along the way so even those who have never written code before can keep up.

Master the fundamentals of Gradle using real-world projects with this quick and easy-to-read guide About This Book Write beautiful build *s for various types of projects effortlessly Become more productive by harnessing the power and elegance of the Gradle DSL Learn how to use Gradle quickly and effectively with this step-by-step guide Who This Book Is For This book is for Java and other JVM-based language developers who want to use Gradle or are already using Gradle on their projects. No prior knowledge of Gradle is required, but some familiarity with build-related terminologies and an understanding of the Java language would help. What You Will Learn Master the Gradle DSL by identifying the building blocks Learn just enough Groovy for Gradle Set up tests and reports for your projects to make them CI ready Create library, stand-alone, and web projects Craft multi-module projects quickly and efficiently Migrate existing projects to a modern Gradle build Extract common build logic into plugins Write builds for languages like Java, Groovy, and Scala In Detail Gradle is an advanced and modern build automation tool. It inherits the best elements of the past generation of build tools, but it also differs and innovates to bring terseness, elegance, simplicity, and the flexibility to build. Right from installing Gradle and writing your first build file to creating a fully-fledged multi-module project build, this book will guide you through its topics in a step-by-step fashion. You will get your hands dirty with a simple Java project built with Gradle and go on to build web applications that are run with Jetty or Tomcat. We take a unique approach towards explaining the DSL using the Gradle API, which makes the DSL more accessible and intuitive. All in all, this book is a concise guide to help you decipher the Gradle build files, covering the essential topics that are most useful in real-world projects. With every chapter, you will learn a new topic and be able to readily implement your build files. Style and approach This step-by-step guide focuses on being productive with every chapter. When required, topics are explained in-depth to give you a good foundation of the Gradle fundamentals. The book covers most aspects of builds required for conventional JVM-based projects, and when necessary, points you towards the right resources.

Improve search experiences with ElasticSearch’s powerful indexing functionality – learn how with this practical ElasticSearch tutorial, packed with tips! About This Book Improve user’s search experience with the correct configuration Deliver relevant search results – fast! Save time and system resources by creating stable clusters Who This Book Is For If you understand the importance of a great search experience this book will show you exactly how to build one with ElasticSearch, one of the world’s leading search servers. What You Will Learn Learn how ElasticSearch efficiently stores data – and find out how it can reduce costs Control document metadata with the correct mapping strategies and by configuring indices Use ElasticSearch analysis and analyzers to incorporate greater intelligence and organization across your documents and data Find out how an ElasticSearch cluster works – and learn the best way to configure it Perform high-speed indexing with low system resource cost Improve query relevance with appropriate mapping, suggest API, and other ElasticSearch functionalities In Detail Beginning with an overview of the way ElasticSearch stores data, you’ll begin to extend your knowledge to tackle indexing and mapping, and learn how to configure ElasticSearch to meet your users’ needs. You’ll then find out how to use analysis and analyzers for greater intelligence in how you organize and pull up search results – to guarantee that every search query is met with the relevant results! You’ll explore the anatomy of an ElasticSearch cluster, and learn how to set up configurations that give you optimum availability as well as scalability. Once you’ve learned how these elements work, you’ll find real-world solutions to help you improve indexing performance, as well as tips and guidance on safety so you can back up and restore data. Once you’ve learned each component outlined throughout, you will be confident that you can help to deliver an improved search experience – exactly what modern users demand and expect. Style and approach This is a comprehensive guide to performing efficient indexing and providing relevant search results using mapping, analyzers, and other ElasticSearch functionalities.

Deliver a better mobile user experience by improving and optimizing your website – follow these practical steps for cutting-edge application development About This Book Optimize your website or application for an improved mobile performance Learn how to create lightweight, intuitive mobile UI and make sure it's supported by a robust application architecture Find out how to improve the performance of your applications by asking the right design questions at each stage in the development workflow Who This Book Is For This book has been created for web developers who want to optimize their website for today’s mobile users. If you understand just how important user experience is, this book is for you – it will help you throughout the entire optimization process. What You Will Learn Learn the three pillars of mobile performance Find out how to ask – and answer – crucial design questions such as ‘mobile or responsive?’ Learn how to minify CSS and JavaScript for improved performance Monitor and debug your website with the leading browser testing tools Explore the impact of caching on performance – and improve it using JavaScript and CSS frameworks Make third-party plugins your friend – avoid common issues and pitfalls In Detail With users increasingly accessing the web on mobile devices, it’s crucial to make sure your website is built to seamlessly fit this radical change in user behavior. Mobile Web Performance Optimization is designed to help you do exactly that – it’s been created to help you build fast, and mobile-user-friendly websites and applications. Featuring guidance through a range of techniques and tools essential to modern mobile development, this accessible guide will make sure you’re delivering a seamless and intuitive experience for your website’s users. Begin by exploring the fundamental components of mobile web design and website optimization, before learning how to put the concepts into practice. Featuring cross-platform solutions, insights on developing lightweight yet robust UI, and insights on how to successfully manage data, this application development book takes you through every stage in the development process – so you can be confident that you’re asking the right questions and using the best tools in the most effective way. By the end, you’ll understand implicitly what it means to ‘build for performance’- you’ll be a more confident developer, capable of building projects that adapt to a changing world. Style and approach This book takes a step-by-step approach to mobile web optimization, explaining the topics in a conversational and easy-to-follow style. Each topic includes detailed explanations of the basic and advanced features of mobile web optimization.

If you are an Alfresco developer who has no experience with web *s and you want to start developing Alfresco web *s, then this book is definitely for you.

The techniques in this book apply to beginners who have just started to learn PowerShell, as well as advanced *ers who have a good grasp of the language.

If you are a web developer working with geospatial concepts and mapping APIs, and you want to learn Leaflet to create mapping solutions, this book is for you. You need to have a basic knowledge of working with JavaScript and performing web application development.