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Avoid common mistakes when building distributed, asynchronous, high-performance software with the Akka toolkit and runtime. With this concise guide, author Jamie Allen provides a collection of best practices based on several years of using the actor model. The book also includes examples of actor application types and two primary patterns of actor usage, the Extra Pattern and Cameo Pattern.Allen, the Director of Consulting for Typesafecreator of Akka and the Scala programming languageexamines actors with a banking-service use case throughout the book, using examples shown in Akka and Scala. If you have any experience with Akka, this guide is essential.Delve into domain-driven and work-distribution actor applicationsUnderstand why its important to have actors do only one jobAvoid thread blocking by allowing logic to be delegated to a FutureModel interactions as simply as possible to avoid premature optimizationCreate well-defined interactions, and know exactly what failures can occurLearn why you should never treat actors as you would an ordinary classKeep track of what goes on in production by monitoring everythingTune Akka applications with the Typesafe Console

Want to build apps for Android devices? This book is the perfect way to master the fundamentals. Written by experts who have taught this mobile platform to hundreds of developers in large organizations and startups alike, this gentle introduction shows experienced object-oriented programmers how to use Androids basic building blocks to create user interfaces, store data, connect to the network, and more.Throughout the book, youll build a Twitter-like application, adding new features with each chapter. Youll also create your own toolbox of code patterns to help you program any type of Android application with ease.Become familiar with the Android platform and how it fits into the mobile ecosystemDive into the Android stack, including its application framework and the APK application packageLearn Androids building blocks: Activities, Intents, Services, Content Providers, and Broadcast ReceiversCreate basic Android user interfaces and organize UI elements in Views and LayoutsBuild a service that uses a background process to update data in your application

Galaxy S4 is amazing right out of the box, but if you want to get the most of out your S4 or S4 Mini, start here. With clear instructions and savvy advice from technology expert Preston Gralla, youll learn how to go online, play games, listen to music, watch movies & TV, monitor your health, and answer calls with a wave of your hand.The important stuff you need to know:Be connected. Browse the Web, manage email, and download apps through WiFi or S4s 3G/4G network.Navigate without touch. Use Air Gestures with your hand, or scroll with your eyes using Smart Screen.Find new ways to link up. Chat, videochat, and add photos, video, or entire slideshows to text messages.Get together with Group Play. Play games or share pictures, documents, and music with others nearby.Create amazing images. Shoot and edit photos and videosand combine images from the front and back cameras.Keep music in the cloud. Use Google Play Music to store and access tunes.Check your schedule. Sync the S4 with your Google and Outlook calendars.

If youre a developer with core Java SE skills, this hands-on book takes you through the language changes in Java 8 triggered by the addition of lambda expressions. Youll learn through code examples, exercises, and fluid explanations how these anonymous functions will help you write simple, clean, library-level code that solves business problems.Lambda expressions are a fairly simple change to Java, and the first part of the book shows you how to use them properly. Later chapters show you how lambda functions help you improve performance with parallelism, write simpler concurrent code, and model your domain more accurately, including building better DSLs.Use exercises in each chapter to help you master lambda expressions in Java 8 quicklyExplore streams, advanced collections, and other Java 8 library improvementsLeverage multicore CPUs and improve performance with data parallelismUse techniques to lambdify your existing codebase or library codeLearn practical solutions for lambda expression unit testing and debuggingImplement SOLID principles of object-oriented programming with lambdasWrite concurrent applications that efficiently perform message passing and non-blocking I/O

JavaScript is arguably the most polarizing and misunderstood programming language in the world. Many have attempted to replace it as the language of the Web, but JavaScript has survived, evolved, and thrived. Why did a language created in such hurry succeed where others failed?This guide gives you a rare glimpse into JavaScript from people intimately familiar with it. Chapters contributed by domain experts such as Jacob Thornton, Ariya Hidayat, and Sara Chipps show what they love about their favorite languagewhether its turning the most feared features into useful tools, or how JavaScript can be used for self-expression.Contributors include:Angus CrollJonathan BarronvilleSara ChippsMarijn HaverbekeAriya HidayatDaryl KoopersmithAnton KovalyovRebecca MurpheyDaniel PupiusGraeme RobertsJenn SchifferJacob ThorntonBen VinegarRick WaldronNicholas Zakas

If you have an imperative (and probably object-oriented) programming background, this hands-on book will guide you through the alien world of functional programming. Author Joshua Backfield begins slowly by showing you how to apply the most useful implementation concepts before taking you further into functional-style concepts and practices.In each chapter, youll learn a functional concept and then use it to refactor the fictional XXY companys imperative-style legacy code, writing and testing the functional code yourself. As you progress through the book, youll migrate from Java 7 to Groovy and finally to Scala as the need for better functional language support gradually increases.Learn why todays finely tuned applications work better with functional codeTransform imperative-style patterns into functional code, following basic stepsGet up to speed with Groovy and Scala through examplesUnderstand how first-class functions are passed and returned from other functionsConvert existing methods into pure functions, and loops into recursive methodsChange mutable variables into immutable variablesGet hands-on experience with statements and nonstrict evaluationsUse functional programming alongside object-oriented design

On the surface, design practices and data science may not seem like obvious partners. But these disciplines actually work toward the same goal, helping designers and product managers understand users so they can craft elegant digital experiences. While data can enhance design, design can bring deeper meaning to data.This practical guide shows you how to conduct data-driven A/B testing for making design decisions on everything from small tweaks to large-scale UX concepts. Complete with real-world examples, this book shows you how to make data-driven design part of your product design workflow.Understand the relationship between data, business, and designGet a firm grounding in data, data types, and components of A/B testingUse an experimentation framework to define opportunities, formulate hypotheses, and test different optionsCreate hypotheses that connect to key metrics and business goalsDesign proposed solutions for hypotheses that are most promisingInterpret the results of an A/B test and determine your next move

Apple's iWork is more versatile than ever now that there are versions for Mac, iOS, and even iCloud. The only thing iWork doesn't include is its own how-to guide. That's where this friendly, jargon-free Missing Manual comes in.

MAKE is here to help, with our Ultimate Guide to 3D Printing. With articles about techniques, freely available CAD packages, and comparisons of printers that are on the market, this book makes it easy to understand this complex and constantly-shifting topic.

Web sites have needed text layout since the earliest days, and CSS is the smoothest way to create pleasing layouts. It's not just about choosing and applying fonts (covered in _CSS Fonts_), but about all the other features that demonstrate careful presentation.

iWork '05 is about creating slick and stylish documents and cinema-quality digital presentations. This work gives you the essentials of iWork '05, including undocumented tips, tricks, and secrets for getting good results from applications. It also looks at each program's capabilities, its advantages over other programs, and its limitations.

A million children and adolescents in the US may have childhood-onset bipolar disorder, including an estimated 23 percent of those currently diagnosed with ADHD. This text aims to help parents and professionals recognize, treat, and cope with bipolar disorders in children and adolescents.

Gain hands-on experience with SPARQL, the RDF query language thats bringing new possibilities to semantic web, linked data, and big data projects. This updated and expanded edition shows you how to use SPARQL 1.1 with a variety of tools to retrieve, manipulate, and federate data from the public web as well as from private sources.Author Bob DuCharme has you writing simple queries right away before providing background on how SPARQL fits into RDF technologies. Using short examples that you can run yourself with open source software, youll learn how to update, add to, and delete data in RDF datasets.Get the big picture on RDF, linked data, and the semantic webUse SPARQL to find bad data and create new data from existing dataUse datatype metadata and functions in your queriesLearn techniques and tools to help your queries run more efficientlyUse RDF Schemas and OWL ontologies to extend the power of your queriesDiscover the roles that SPARQL can play in your applications

Updated as of August 2014, this practical book will demonstrate proven methods for anonymizing health data to help your organization share meaningful datasets, without exposing patient identity. Leading experts Khaled El Emam and Luk Arbuckle walk you through a risk-based methodology, using case studies from their efforts to de-identify hundreds of datasets.Clinical data is valuable for research and other types of analytics, but making it anonymous without compromising data quality is tricky. This book demonstrates techniques for handling different data types, based on the authors experiences with a maternal-child registry, inpatient discharge abstracts, health insurance claims, electronic medical record databases, and the World Trade Center disaster registry, among others.Understand different methods for working with cross-sectional and longitudinal datasetsAssess the risk of adversaries who attempt to re-identify patients in anonymized datasetsReduce the size and complexity of massive datasets without losing key information or jeopardizing privacyUse methods to anonymize unstructured free-form text dataMinimize the risks inherent in geospatial data, without omitting critical location-based health informationLook at ways to anonymize coding information in health dataLearn the challenge of anonymously linking related datasets

The next frontier for wireless LANs is 802.11ac, a standard that increases throughput beyond one gigabit per second. This concise guide provides in-depth information to help you plan for 802.11ac, with technical details on design, network operations, deployment, and monitoring.

Product development is the magic that turns circuitry, software, and materials into a product, but moving efficiently from concept to manufactured product is a complex process with many potential pitfalls. This practical guide pulls back the curtain to reveal what happensor should happenwhen you take a product from prototype to production.For makers looking to go pro or product development team members keen to understand the process, author Alan Cohen tracks the development of an intelligent electronic device to explain the strategies and tactics necessary to transform an abstract idea into a successful product that people want to use.Learn 11 deadly sins that kill product development projectsGet an overview of how electronic products are manufacturedDetermine whether your idea has a good chance of being profitableNarrow down the products functionality and associated costsGenerate requirements that describe the final products detailsSelect your processor, operating system, and power sourcesLearn how to comply with safety regulations and standardsDive into developmentfrom rapid prototyping to manufacturingAlan Cohen, a veteran systems and software engineering manager and lifelong technophile, specializes in leading the development of medical devices and other high-reliability products. His passion is to work with engineers and other stakeholders to forge innovative technologies into successful products.

Since Test-Driven Infrastructure with Chef first appeared in mid-2011, infrastructure testing has begun to flourish in the web ops world. In this revised and expanded edition, author Stephen Nelson-Smith brings you up to date on this rapidly evolving discipline, including the philosophy driving it and a growing array of tools. Youll get a hands-on introduction to the Chef framework, and a recommended toolchain and workflow for developing your own test-driven production infrastructure.Several exercises and examples throughout the book help you gain experience with Chef and the entire infrastructure-testing ecosystem. Learn how this test-first approach provides increased security, code quality, and peace of mind.Explore the underpinning philosophy that infrastructure can and should be treated as codeBecome familiar with the MASCOT approach to test-driven infrastructureUnderstand the basics of test-driven and behavior-driven development for managing changeDive into Chef fundamentals by building an infrastructure with real examplesDiscover how Chef works with tools such as Virtualbox and VagrantGet a deeper understanding of Chef by learning Ruby language basicsLearn the tools and workflow necessary to conduct unit, integration, and acceptance tests

Windows 8.1 continues the evolution of the most radical redesign in Microsoft's history. It combines the familiar Windows desktop with a new, touchscreen-friendly world of tiles and full-screen apps. Luckily, David Pogue is back to help you make sense of it - with humor, authority, and 500 illustrations.

Get up to speed on the principal technologies in the Java Platform, Enterprise Edition 7, and learn how the latest version embraces HTML5, focuses on higher productivity, and provides functionality to meet enterprise demands. Written by Arun Gupta, a key member of the Java EE team, this book provides a chapter-by-chapter survey of several Java EE 7 specifications, including WebSockets, Batch Processing, RESTful Web Services, and Java Message Service.Youll also get self-paced instructions for building an end-to-end application with many of the technologies described in the book, which will help you understand the design patterns vital to Java EE development.Understand the key components of the Java EE platform, with easy-to-understand explanations and extensive code samplesExamine all the new components that have been added to Java EE 7 platform, such as WebSockets, JSON, Batch, and ConcurrencyLearn about RESTful Web Services, SOAP XML-based messaging protocol, and Java Message ServiceExplore Enterprise JavaBeans, Contexts and Dependency Injection, and the Java Persistence APIDiscover how different components were updated from Java EE 6 to Java EE 7

In Disruptive Possibilities, Jeffrey Needham enlightens Fortune 500 enterprises about the Big Data ecosystem as they begin to channel their data from stranded silos into an accessible reservoir of possibility and discovery. This book explains where commercial supercomputing came from, as well as its impact on the future of computing.

If you incorporate Arduino or Raspberry Pi into your project, you can build much more sophisticated projects that can react in interesting ways and even connect to the Internet. This book starts by teaching you the basic electronic circuits to read and react to a sensor.

Learn how to develop REST-style and SOAP-based web services and clients with this quick and thorough introduction. This hands-on book delivers a clear, pragmatic approach to web services by providing an architectural overview, complete working code examples, and short yet precise instructions for compiling, deploying, and executing them. Youll learn how to write services from scratch and integrate existing services into your Java applications.With greater emphasis on REST-style services, this second edition covers HttpServlet, Restlet, and JAX-RS APIs; jQuery clients against REST-style services; and JAX-WS for SOAP-based services. Code samples include an Apache Ant script that compiles, packages, and deploys web services.Learn differences and similarities between REST-style and SOAP-based servicesProgram and deliver RESTful web services, using Java APIs and implementationsExplore RESTful web service clients written in Java, JavaScript, and PerlWrite SOAP-based web services with an emphasis on the application levelExamine the handler and transport levels in SOAP-based messagingLearn wire-level security in HTTP(S), users/roles security, and WS-SecurityUse a Java Application Server (JAS) as an alternative to a standalone web server

Building distributed applications is difficult enough without having to coordinate the actions that make them work. This practical guide shows how Apache ZooKeeper helps you manage distributed systems, so you can focus mainly on application logic. Even with ZooKeeper, implementing coordination tasks is not trivial, but this book provides good practices to give you a head start, and points out caveats that developers and administrators alike need to watch for along the way.In three separate sections, ZooKeeper contributors Flavio Junqueira and Benjamin Reed introduce the principles of distributed systems, provide ZooKeeper programming techniques, and include the information you need to administer this service.Learn how ZooKeeper solves common coordination tasksExplore the ZooKeeper APIs Java and C implementations and how they differUse methods to track and react to ZooKeeper state changesHandle failures of the network, application processes, and ZooKeeper itselfLearn about ZooKeepers trickier aspects dealing with concurrency, ordering, and configurationUse the Curator high-level interface for connection managementBecome familiar with ZooKeeper internals and administration tools

Windows 8 presents an incredible opportunity for distributing and monetizing HTML5 games, and this guide shows how you can profit from it. Youll learn everything you need to know about porting your original web-based JavaScript game to the new "e;touch-first"e; version of Windows, as well as several options for selling your game in Windows Store.Windows 8 is a big leap forward for developers because it treats HTML5 as a first-class citizen, alongside C# and C++. Interactive development expert Jesse Freeman explains how Windows 8 works, gets you started with Visual Studio Express (its free!), and uses a case study to show you how to port an HTML5 game with ease.Learn which games and JavaScript libraries work best on Windows 8Adjust artwork for different screen resolutions and Windows 8 featuresAccommodate mouse, keyboard, touch, and other game controlsOptimize your game to run well on any Windows 8 deviceUnderstand the steps for publishing your game to Windows StoreExplore fixed price, trial mode, ad support, and in-app purchase optionsUse a web-first workflow to ensure your game runs on many other platforms

This practical guide provides a complete introduction to developing network programs with Java. Youll learn how to use Javas network class library to quickly and easily accomplish common networking tasks such as writing multithreaded servers, encrypting communications, broadcasting to the local network, and posting data to server-side programs.Author Elliotte Rusty Harold provides complete working programs to illustrate the methods and classes he describes. This thoroughly revised fourth edition covers REST, SPDY, asynchronous I/O, and many other recent technologies.Explore protocols that underlie the Internet, such as TCP/IP and UDP/IPLearn how Javas core I/O API handles network input and outputDiscover how the InetAddress class helps Java programs interact with DNSLocate, identify, and download network resources with Javas URI and URL classesDive deep into the HTTP protocol, including REST, HTTP headers, and cookiesWrite servers and network clients, using Javas low-level socket classesManage many connections at the same time with the nonblocking I/O

If you're new to content management systems - or even new to building websites - this practical guide will get you up and running in no time. You don't have to know much code, if any, to get started.

How can you make your bookkeeping workflow smoother and faster? Simple. With this Missing Manual, youre in control of QuickBooks 2014 for Windows. You get step-by-step instructions on how and when to use specific features, along with basic accounting advice to guide you through the learning process. Thats why this book is the Official Intuit Guide to QuickBooks 2014.The important stuff you need to know:Get started. Quickly set up your accounts, customers, jobs, and invoice items.Learn new features. Get up to speed on the Bank Feed Center, Income Tracker, and other improvements.Follow the money. Track everything from billable time and expenses to income and profit.Spend less time on bookkeeping. Use QuickBooks to create and reuse bills, invoices, sales receipts, and timesheets.Keep your company financially fit. Examine budgets and actual spending, income, inventory, assets, and liabilities.Find key info fast. Rely on QuickBooks Search and Find features, as well as the Vendor, Customer, Inventory, and Employee Centers.

Getting Started with the Intel Galileo gets you up and running with this new, x86-powered board that was developed in collaboration between Arduino and Intel. You'll learn how to set it up, connect it to your computer, and begin programming.

Illustrated in full color with hundreds of photographs and line drawings, the book serves as a perfect introduction to workshop tools and materials for young adults and adults alike. Platt focuses on basic hands tools and assumes no prior experience or knowledge on the part of the reader.

Discover the power of XML publishing with InDesign, and create content for multiple applicationsincluding digital-first publishing workflows. With this book, XML evangelist Dorothy Hoskins teaches you several techniques for working with the built-in XML capabilities of InDesign CS6, using real examples from a college course-catalog project.Learn how to import database content into InDesign, and tag existing InDesign content as XML for export to other applications. InDesign also lets you apply attractive styling to XML content that cant be done with XSL-FO. Through step-by-step instructions, code examples, and lots of screen shots, youll discover how using XML with InDesign increases the value of your content.Get an overview of structured (XML) contentLearn InDesigns XML import options, including XML image informationMingle XML and non-XML content in a text flowUse InDesign as an XML "e;skin"e; by making templates with new style definitionsPut content in "e;XML order"e; for export to EPUB, with InDesign CS5.5 and CS6Dive into advanced topics, such as how to transform XML with XSLUnderstand InDesigns potential and limitations with complex content models such as DocBook and DITA