Integrate, deploy, rapidly configure, and successfully manage your own big data-intensive clusters in the cloud using OpenStack Sahara About This Book A fast paced guide to help you utilize the benefits of Sahara in OpenStack to meet the Big Data world of Hadoop. A step by step approach to simplify the complexity of Hadoop configuration, deployment and maintenance. Who This Book Is For This book targets data scientists, cloud developers and Devops Engineers who would like to become proficient with OpenStack Sahara. Ideally, this book is well suitable for readers who are familiars with databases, Hadoop and Spark solutions. Additionally, a basic prior knowledge of OpenStack is expected. The readers should also be familiar with different Linux boxes, distributions and virtualization technology. What You Will Learn Integrate and Install Sahara with OpenStack environment Learn Sahara architecture under the hood Rapidly configure and scale Hadoop clusters on top of OpenStack Explore the Sahara REST API to create, deploy and manage a Hadoop cluster Learn the Elastic Processing Data (EDP) facility to execute jobs in clusters from Sahara Cover other Hadoop stable plugins existing supported by Sahara Discover different features provided by Sahara for Hadoop provisioning and deployment Learn how to troubleshoot OpenStack Sahara issues In Detail The Sahara project is a module that aims to simplify the building of data processing capabilities on OpenStack. The goal of this book is to provide a focused, fast paced guide to installing, configuring, and getting started with integrating Hadoop with OpenStack, using Sahara. The book should explain to users how to deploy their data-intensive Hadoop and Spark clusters on top of OpenStack. It will also cover how to use the Sahara REST API, how to develop applications for Elastic Data Processing on Openstack, and setting up hadoop or spark clusters on Openstack. Style and approach This book takes a step by step approach teaching how to integrate, deploy and manage data using OpenStack Sahara. It will teach how the OpenStack Sahara is beneficial by simplifying the complexity of Hadoop configuration, deployment and maintenance.

Master the future of mobile devices in wearable technology About This Book Mastering Android Wear Development is a complete guide to wearable technology for experienced Android developers Notifications, voice input, coping with round screens – all the key challenges of wearable technology are covered This book describes not just how to write code for wearables, but also how to think about wearable technology and design apps that work well with the physical limitations of wearable devices Who This Book Is For This book is for application developers (the web, mobile, and desktop) who are interested in building new wearable apps, and mobile developers who already have apps on iTunes or Google Play Store and are looking to provide Android Wear support for their existing Android or iOS apps. What You Will Learn Understand the Wearable computing technology Set up a development environment to build Android Wear apps using Android Studio Master the Android Wear SDK and APIs Understand the UI patterns and UX principles to build Android Wear apps Work with the different form factors of wearable devices (round and square) Take advantage of the sensors available on Android Wear devices Develop Android Wear sample apps Communicate between Android mobile and Android Wear apps Get to know the steps involved in publishing Android Wear apps to the Play store In Detail Wearable technology is the future of mobile devices. It looks set to be a breakthrough technology, just like the iPad was before it. With the Apple Watch being widely regarded as a success, all eyes are now on Google to provide a similar device for its users. Keep your skills ahead of the competition and be one of the first to fully understand this powerful new trend. This book will give you a very solid understanding of the philosophy, thought process, development details, and methodologies involved in building well-designed, robust Android Wear applications. We cover the advantages and disadvantages of the wearable computing paradigm and provide a good foundational knowledge for you to build practical, real-world wearable apps. You will learn about the various tools, platforms, libraries, SDKs, and technology needed to build Android Wear apps. By the end of the book, you will be an expert in building Android wearable apps. Style and approach This one-stop professional tutorial will teach you everything you need to know to begin designing and developing applications for this exciting new technology. Every step from development through testing to deployment is explained in depth.

Master the most common algorithms and data structures, and learn how to implement them efficiently using the most up-to-date features of Swift 3 About This Book Develop a deep understanding of the collections in the Swift Standard Library with this step-by-step guide Develop native Swift data structures and algorithms for use in mobile, desktop, and server-based applications Learn about performance efficiency between different data structures and algorithms Who This Book Is For This book is for developers who want to learn how to implement and use common data structures and algorithms natively in Swift. Whether you are a self-taught developer without a formal technical background or you have a degree in Computer Science, this book will provide with the knowledge you need to develop advanced data structures and algorithms in Swift using the latest language features. What You Will Learn Get to know about the basic data structures and how to use the Swift REPL Use the Swift Standard Library collections bridging to Objective-C collections, and find out about protocol-oriented programming Find out about Swift generators and sequences, and see how to use them to implement advanced data structures such as Stack, StackList, Queue, and LinkedList Implement sorting algorithms such as Insertion Sort, Merge Sort, and Quick Sort and understand the performance trade-offs between them See how to implement various binary trees, B-Tree, and Splay Trees Perform advanced searching methods using Red-Black trees, AVL trees, and Trie trees, and take a look at several substring search algorithms Get to know about the data structures used in graphs and how to implement graphs such as depth-first search, breadth-first search, directed graphs, spanning tree, and shortest path Explore algorithm efficiency and see how to measure it In Detail Apple’s Swift language has expressive features that are familiar to those working with modern functional languages, but also provides backward support for Objective-C and Apple’s legacy frameworks. These features are attracting many new developers to start creating applications for OS X and iOS using Swift. Designing an application to scale while processing large amounts of data or provide fast and efficient searching can be complex, especially running on mobile devices with limited memory and bandwidth. Learning about best practices and knowing how to select the best data structure and algorithm in Swift is crucial to the success of your application and will help ensure your application is a success. That’s what this book will teach you. Starting at the beginning, this book will cover the basic data structures and Swift types, and introduce asymptotic analysis. You’ll learn about the standard library collections and bridging between Swift and Objective-C collections. You will see how to implement advanced data structures, sort algorithms, work with trees, advanced searching methods, use graphs, and performance and algorithm efficiency. You’ll also see how to choose the perfect algorithm for your problem. Style and approach This easy-to-follow yet comprehensive guide can either be read from beginning to end, or depending on your current knowledge level, you can jump to the specific chapter that interests you. Each chapter topic starts with an introduction to the topic and algorithm before moving on to the hands-on implementation and analysis.

Master Phalcon by implementing hands-on recipes using industry best practices with the Web and CLI interfaces About This Book Create quick prototypes with the Phalcon Developer Tools Learn to use the powerful and uniquely efficient Phalcon ORM Reuse codes in real projects Who This Book Is For If you are a beginner-to-intermediate Phalcon developer who wants to level up or an advanced user who is seeking some new techniques and insight, then this book is perfect for you. This book will be relevant to you over a long period of time due to the mixed nature of this book in providing both abstract comprehension as well as specific examples meant to be usable in your projects. You will be able to experiment with each new aspect of integration in prebuilt recipes meant to best illustrate each specific feature. This will save you lots of time getting up to speed before attempting to integrate into a real application. What You Will Learn Install the Phalcon extension from both premade packages and source code Create a normal and micro application structure Understand the dispatcher event cycle and create custom plugins Get hands-on using the Phalcon Query Language and ORM Create flexible views with the Volt template system Leverage Phalcon to prevent common security vulnerabilities Optimize an application with focused solutions Profile and debug an application to get increased reliability In Detail Phalcon is a high-performance PHP framework delivered as a PHP extension. This provides new opportunities for speed and application design, which until recently have been unrealized in the PHP ecosystem. Packed with simple learning exercises, technology prototypes, and real-world usable code, this book will guide you from the beginner and setup stage all the way to advanced usage. You will learn how to avoid niche pitfalls, how to use the command-line developer tools, how to integrate with new web standards, as well as how to set up and customize the MVC application structure. You will see how Phalcon can be used to quickly set up a single file web application as well as a complex multi-module application suitable for long-term projects. Some of the recipes focus on abstract concepts that are vital to get a deep comprehension of Phalcon and others are designed as a vehicle to deliver real-world usable classes and code snippets to solve advanced problems. You’ll start out with basic setup and application structure and then move onto the Phalcon MVC and routing implementation, the power of the ORM and Phalcon Query Language, and Phalcon’s own Volt templating system. Finally, you will move on to caching, security, and optimization. Style and approach An easy-to-start guide that provides

Key Features ?Develop high-grade and performance-optimized hybrid applications using Ionic ?Discover all the latest and upcoming features of Ionic 2 ?A practical guide that will help you fully utilize all the features and components of Ionic 2 efficiently Book De*ion Ionic is an open source, front-end framework that allows you to develop hybrid mobile apps without any native-language hassle for each platform. It offers a library of mobile-optimized HTML, CSS, and JS components for building highly interactive mobile apps. This book will help readers develop a complete, professional-quality mobile application with Ionic Framework. You will start the journey by learning to configure and customize Ionic Framework. Then, you will move on to Ionic 2 components and see how you can customize them according to your applications. Also, you will implement various native plugins and integrate them with Ionic 2 along with Ionic Platform services to use them optimally in your application. You will also master authorization, authentication, and security techniques to ensure that your application and data are secure. Further, you will integrate backend services such as Firebase and the Cordova iBeacon plugin in your application. Lastly, you will test and troubleshoot your application. By the end of the book, you will not only have built a professional, hybrid mobile application but will also have ensured that your app is secure and performance-driven. What you will learn ?Use every Ionic component and customize it according to the application. ?Implement offline functionality in your application with various storage options such as localstorage and SQLite. ?Integrate the various Ionic backend services and features such as Ionic push and Ionic playground to send push notification and track events in your application. ?Explore white-listing, CORS, and various other platform security aspects to secure your application. ?Sync your data to the cloud server and fetch it in real time. ?Integrate the Cordova iBeacon plugin and fetch contextual data on the basis of location and iBeacon's UUID

If you are a data analyst, developer, or simply someone who wants to use Hive to explore and analyze data in Hadoop, this is the book for you. Whether you are new to big data or an expert, with this book, you will be able to master both the basic and the advanced features of Hive. Since Hive is an SQL-like language, some previous experience with the SQL language and databases is useful to have a better understanding of this book.

If you are an administrator of a VMware vSphere infrastructure who wants to simplify storage delivery by integrating storage into vSphere, Virtual SAN is for you. No extensive storage background is needed as VMware Virtual SAN integrates into the existing vSphere solutions with which you are already familiar.

This book is meant for developers of all experience levels looking to create mobile and full-stack web applications in JavaScript. Many of the simple recipes can easily be followed by less-experienced developers, while some of the advanced recipes will require extensive knowledge of existing web, mobile, and server technologies. Any application or enterprise web developer looking to create full-stack JavaScript-based apps will benefit from the recipes and concepts covered in this book.

If you are a Java developer, student, researcher, or hobbyist wanting to create computer vision applications in Java then this book is for you. If you are an experienced C/C++ developer who is used to working with OpenCV, you will also find this book very useful for migrating your applications to Java. All you need is basic knowledge of Java, with no prior understanding of computer vision required, as this book will give you clear explanations and examples of the basics.

This book is for you if you are a data scientist or working on any technical or scientific computation projects. The book assumes you have a basic working knowledge of high-level dynamic languages such as MATLAB, R, Python, or Ruby.

This is a cookbook that contains a list of recipes explaining step-by-step how to use JavaScript in Moodle. The first two chapters concentrate on the basics of how to start working with JavaScript and the YUI while the later chapters show how to use these techniques as a basis for implementing more complete functionality. This book is aimed at developers and administrators comfortable with customizing Moodle with the use of plugin modules, themes, and patches who want to make their site more dynamic. If you have prior knowledge of HTML, PHP, and CSS and a good working knowledge of the underlying structure of Moodle, then this book is for you. No prior experience with JavaScript is needed.

This book will provide an easy to understand, step-by-step approach to building your own WordPress plugins from scratch. We will construct a variety of plugins from the group up, demonstrating how to tap into a number of WordPress development aspects, as well as how to prepare and release your plugin(s) to the public. This book is for WordPress users who want to learn how to create their own plugins and for developers who are new to the WordPress platform. Basic knowledge of PHP and HTML is expected, as well as a functional knowledge of how WordPress works from a user standpoint.

This book looks at the main functional areas of Joomla! that have significant new features. All features are explained with the help of illustrative screenshots and step-by-step instructions on how to use them.This book is for existing Joomla! users, developers, and designers who want to know about everything that's new in Joomla! 1.6.

Written in cookbook style, this book offers learning and techniques through recipes. It contains step-by-step instructions for CakePHP developers to create unique web applications. The book is designed in such a way that you can refer to things chapter by chapter, and read them in no particular order.If you are a CakePHP developer who wants to discover quick and easy ways to improve web applications, and to leverage all aspects of the framework, this book is for you. This book assumes that you already have knowledge of CakePHP, and general PHP development skills.

This book is an example-driven tutorial, which will take you from the installation of MODx through to configuration, customization, and deployment. Step-by-step instructions will enable you to build a fully-functional, feature-rich website quickly and without the knowledge of any programming language. This book is ideal for newcomers to MODx. Both beginners and experienced web developers will benefit from this comprehensive guide to MODx. No knowledge of PHP programming or any templating language is needed, but the more advanced chapters towards the end of the book will allow more confident developers to extend their applications even further by creating their own snippets.

This book provides a step-by-step approach to the Tcl/Tk language with the help of re-usable examples and images. It is a series of carefully organized, easy-to-follow, standalone recipes to solve your queries. Whether you go through the recipes chapter-wise or pick up any recipe randomly, you will find clear and complete explanation of the task covered in the recipe. If you are a beginner interested in adding Tcl/Tk 8.5 to your list of languages, or an experienced Tcl/Tk programmer looking to sharpen your knowledge, be assured, you will find your prefect guide in this book. Whether you are developing for your personal use or commercial applications, this book will provide you with a ready reference to the building blocks of Tcl/Tk 8.5

This book will provide you with step-by-step instructions to get started with Mahara and create an impressive electronic portfolio. The book is packed with many useful examples and screenshots for easy and quick learning. Pick this book up if you want to get started with Mahara. This book is for you if: You are a student/learner wanting to maintain online documentation of your projects and share it with a particular teacher/trainer for feedback, You are a teacher wanting to set up an e-portfolio for your students in order to encourage and advance personalized and reflective learning, You are a professional wanting to share your journals and project documents with your team by sharing your existing knowledge and creating new knowledge in communities of professional practice, No previous experience of Mahara is required.

The book is a detailed reference guide, and an invaluable resource for answers to all your queries about jQuery. It is intended to be a quick reference to help at times when you need to quickly confirm a feature of the library This book is for you if you are a web developer who wants a broad, organized view of all that jQuery library has to offer or a quick reference on their desk to refer to for particular details. Basic knowledge of HTML and CSS is required. You should be comfortable with the syntax of JavaScript, but no knowledge of jQuery is assumed. This is a reference guide, not an introductory title and if you are looking to get started with jQuery (or JavaScript libraries in general) then you are looking for the companion title Learning jQuery 1.3.

A tutorial in the Beginner’s Guide series, offering the reader step-by-step instructions on building and customizing their MOLSB web site from scratch. This book is also packed with tips, tricks, and best practices. Small-business owners who want to build and customize their business web sites on Microsoft’s free-to-use platform. No technical knowledge is required.

This book is a fast-paced step-by step-guide. It is loaded with examples and lots of illustrations showing configurations and their results on the screen. If you are a Joomla! web developer who wants to integrate Flash into your web sites, then this book is for you. Knowledge of Joomla! and basic knowledge of Flash is assumed.

This is a practical, hands-on book that will lead you through the process of search engine optimization of your Joomla!-based web site. It provides clear instructions and detailed screenshots, so you can see exactly what to do at each step in the SEO process. Once you have finished reading the book and gone through the detailed plans from each chapter, you will have the knowledge to improve the rankings and visitor numbers of almost any Joomla!-based web site. This book is written for anyone using Joomla! ranging from owners of business sites to web site developers and personal web site owners. Any Joomla! web site owner who wants to sell products or services, or send out a message to the world will find that getting better rankings in the search engines will help them reach their goal. Some prior knowledge of Joomla! is expected but no prior knowledge of search engine optimization is needed for this book. The reader will get a deeper level of knowledge on how to make their web site rank better and attract more visitors to their site.