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ReactJS by Example - Building Modern Web Applications with React
by Vipul A M Prathamesh SonpatkiGet up and running with ReactJS by developing five cutting-edge and responsive projects About This Book * Create pragmatic real-world applications while learning React and its modern developer tools * Build sustainable user interfaces by transforming data into components of UI * Learn how to generate reusable ReactJS components effectively Who This Book Is For If you are a web developer and wish to learn ReactJS from scratch, then this book is tailor-made for you. Good understanding of Javascript, HTML, and CSS is expected. What You Will Learn * Create, reuse, and compose React components using JSX * Share data between various React components and techniques for data flow within a React app * Handle user interactions with the help of event handlers and dynamic components * Set up and use various next generation ES2015/ES6 features with React * Understand the performance and immutability features of React using React add-ons * Learn the techniques of Animation in React * Use data stores to store model-related data and information * Create a flux-based React application by using Reflux library In Detail ReactJS is an open-source JavaScript library that brings the power of reactive programming to web applications and sites. It aims to address the challenges encountered in developing single-page applications, and is intended to help developers build large, easily scalable and changing web apps. Starting with a project on Open Library API, you will be introduced to React and JSX before moving on to learning about the life cycle of a React component. In the second project, building a multi-step wizard form, you will learn about composite dynamic components and perform DOM actions. You will also learn about building a fast search engine by exploring server-side rendering in the third project on a search engine application. Next, you will build a simple frontpage for an e-commerce app in the fourth project by using data models and React add-ons. In the final project you will develop a complete social media tracker by using the flux way of defining React apps and know about the best practices and use cases with the help of ES6 and redux. By the end of this book, you will not only have a good understanding of ReactJS but will also have built your very own responsive frontend applications from scratch. Style and approach An easy-to-follow program to learn ReactJS with the help of real world projects. Each topic is explained within the context of a project and provides plenty of tips and tricks for using ReactJS.
Reactionary Democracy: How Racism and the Populist Far Right Became Mainstream
by Aaron Winter Aurelien MondonDemocracy must be anti-racist. Any less is cowardly. Any less is reactionary.Democracy is not necessarily progressive, and will only be if we make it so. What Mondon and Winter call 'reactionary democracy' is the use of the concept of democracy and its associated understanding of the power to the people (demos cratos) for reactionary ends. The resurgence of racism, populism and the far right is not the result of popular demands as we are often told. It is rather the logical conclusion of the more or less conscious manipulation by the elite of the concept of 'the people' and the working class to push reactionary ideas. These narratives place racism as a popular demand, rather than as something encouraged and perpetuated by elites, thus exonerating those with the means to influence and control public discourse through the media in particular. This in turn has legitimised the far right, strengthened its hand and compounded inequalities.These actions diverts us away from real concerns and radical alternatives to the current system. Through a careful and thorough deconstruction of the hegemonic discourse currently preventing us from thinking beyond the liberal vs populist dichotomy, this book develops a better understanding of the systemic forces underpinning our current model and its exploitative and discriminatory basis. The book shows us that the far right would not have been able to achieve such success, either electorally or ideologically, were it not for the help of elite actors (the media, politicians and academics). While the far right is a real threat and should not be left off the hook, the authors argue that we need to shift the responsibility of the situation towards those who too often claim to be objective, and even powerless, bystanders despite their powerful standpoint and clear capacity to influence the agenda, public discourse, and narratives, particularly when they platform and legitimise racist and far right ideas and actors.
Reactive Android Programming
by Tadas SubonisMake the most of asynchronous android programming About This Book • Install and set up RxJava for Android development • Implement the Reactive paradigm for Android programming using RxJava • Create cutting edge real world Android apps with Reactive programming. Who This Book Is For Are you an android developer trying to figure out how to use reactive paradigm for your programming needs? If yes then this is the book for you. No previous knowledge of RxJava is required. What You Will Learn • Set up an environment for asynchronous that is reactive Android programming • Write custom observables and higher level abstractions • Orchestrating multiple calls using Reactive programming principles • Fetch remote financial data using RxJava • Integrate and process Twitter streams gracefully • Utilize Reactive programming to develop interactive and responsive Android apps • Create your own application to follow financial stock updates in real-time based on selected companies' symbols • Integrate updates from the Twitter for those companies. In Detail Writing code on Android is hard. Writing a high quality code that involves concurrent and parallel tasks is even harder. Ensuring that this code will run without unforeseen race conditions is an the order of magnitude harder. RxJava is the tool that can help write code for such tasks. In this book a novice developer will be introduced to a wide variety of tools that RxJava provides to enable them to produce robust and high-quality code for their asynchronous tasks by building a relatively simple(and high quality) application using advanced RxJava techniques to produce a high quality product. Part 1 of the book will lead the developer through RxJava's initial setup in Android environment. In Part 2, the reader will learn RxJava 2.0 step-by-step by starting off with stock data processing and display.The developer will learn to choose appropriate Schedulers and to use Retrofit library for remote requests.In Part 3, the reader will also learn advanced topics such as adding integration to Twitter to process its streaming data by combining it with stock data. Style and approach This book is a step by step practical guide which will essentially teach you to set up, implement, and debug Reactive Android Code with ease.
Reactive Application Development
by Duncan K. DeVore Sean A. WalshSummaryReactive Application Development is a hands-on guide that teaches you how to build reliable enterprise applications using reactive design patterns.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.Foreword by Jonas Bonér, Creator of Akka About the TechnologyMission-critical applications have to respond instantly to changes in load, recover gracefully from failure, and satisfy exacting requirements for performance, cost, and reliability. That's no small task! Reactive designs make it easier to meet these demands through modular, message-driven architecture, innovative tooling, and cloud-based infrastructure.About the BookReactive Application Development teaches you how to build reliable enterprise applications using reactive design patterns. This hands-on guide begins by exposing you to the reactive mental model, along with a survey of core technologies like the Akka actors framework. Then, you'll build a proof-of-concept system in Scala, and learn to use patterns like CQRS and Event Sourcing. You'll master the principles of reactive design as you implement elasticity and resilience, integrate with traditional architectures, and learn powerful testing techniques.What's InsideDesigning elastic domain modelsBuilding fault-tolerant systemsEfficiently handling large data volumesExamples can be built in Scala or JavaAbout the Reader Written for Java or Scala programmers familiar with distributed application designs.About the AuthorDuncan DeVore, Sean Walsh, and Brian Hanafee are seasoned architects with experience building and deploying reactive systems in production. Table of ContentsPART 1 - FUNDAMENTALS What is a reactive application? Getting started with Akka Understanding Akka PART 2 - BUILDING A REACTIVE APPLICATION Mapping from domain to toolkit Domain-driven design Using remote actors Reactive streaming CQRS and Event Sourcing A reactive interfaceProduction readiness
Reactive Applications with Akka.NET
by Anthony BrownSummaryReactive Applications with Akka.NET is a hands-on book that builds on fundamental concepts to teach you how to create reliable and resilient applications in the reactive style.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyEnterprise-scale software needs to be unfailingly reliable, consistently performant under unpredictable loads, and easy to scale and maintain. Reactive applications guarantee these qualities through clear isolation of system components and message-based communication. Akka.NET ports the battle-tested Akka Actors toolkit from the JVM, radically simplifying the concurrency and asynchronous message handling at the heart of a reactive system.About the BookReactive Applications with Akka.NET teaches you to write high-performance, concurrent systems without explicitly managing threads and locking. You'll experience the power of Akka.NET and the Actors concurrency model by exploring a real-world case study in each chapter. As you go further, you'll start to grok the power of asynchronous communication in a distributed environment and take on practical tasks like deploying, debugging, and establishing performance guarantees.What's InsideReactive application designDealing with application-level failuresIntegrating Akka.NET with other frameworksApplying reactive programming to the real worldAbout the ReaderReaders should be comfortable with C# or F# and the .NET framework.About the AuthorAnthony Brown is a .NET consultant specializing in F# and reactive systems.Table of ContentsPART 1 THE ROAD TO REACTIVEWhy reactive?Reactive application designPART 2 DIGGING INYour first Akka.NET applicationState, behavior, and actorsConfiguration, dependency injection, and loggingFailure handlingScaling in reactive systemsComposing actor systemsPART 3 REAL-LIFE USAGETesting Akka.NET actorsIntegrating Akka.NETStoring actor state with Akka.PersistenceBuilding clustered applications with Akka.ClusterAkka.NET and reactive programming in production
Reactive Design Patterns
by Jamie AllenSummaryReactive Design Patterns is a clearly written guide for building message-driven distributed systems that are resilient, responsive, and elastic. In this book you'll find patterns for messaging, flow control, resource management, and concurrency, along with practical issues like test-friendly designs. All patterns include concrete examples using Scala and Akka. Foreword by Jonas Bonér. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyModern web applications serve potentially vast numbers of users - and they need to keep working as servers fail and new ones come online, users overwhelm limited resources, and information is distributed globally. A Reactive application adjusts to partial failures and varying loads, remaining responsive in an ever-changing distributed environment. The secret is message-driven architecture - and design patterns to organize it.About the BookReactive Design Patterns presents the principles, patterns, and best practices of Reactive application design. You'll learn how to keep one slow component from bogging down others with the Circuit Breaker pattern, how to shepherd a many-staged transaction to completion with the Saga pattern, how to divide datasets by Sharding, and more. You'll even see how to keep your source code readable and the system testable despite many potential interactions and points of failure. What's InsideThe definitive guide to the Reactive ManifestoPatterns for flow control, delimited consistency, fault tolerance, and much moreHard-won lessons about what doesn't workArchitectures that scale under tremendous loadAbout the ReaderMost examples use Scala, Java, and Akka. Readers should be familiar with distributed systems.About the AuthorDr. Roland Kuhn led the Akka team at Lightbend and coauthored the Reactive Manifesto. Brian Hanafee and Jamie Allen are experienced distributed systems architects. Table of ContentsPART 1 - INTRODUCTIONWhy Reactive? A walk-through of the Reactive Manifesto Tools of the trade PART 2 - THE PHILOSOPHY IN A NUTSHELLMessage passing Location transparency Divide and conquer Principled failure handling Delimited consistency Nondeterminism by need Message flow PART 3 - PATTERNS Testing reactive applications Fault tolerance and recovery patterns Replication patterns Resource-management patterns Message flow patterns Flow control patterns State management and persistence patterns
Reactive Java Programming
by Andrea MaglieLearn reactive programming using Java and its functional aspects, sometimes called RxJava. This book shows you how to solve "callback hell" with RxJava and shows you how to write thread-safe code without hanging onto state variables which comes in handy for cloud computing software-as-a-service issues, especially when dealing with big data processes through streaming. Reactive Java Programming includes unique coverage of reactive Android programming, growing more and more popular in mobile development with the Cloud. After reading this guide to reactive programming, you'll be able to apply it to your own big data cloud applications that use Java. What You'll LearnUse and map observables Filter and combine eventsEmploy subjects, schedulers, and backpressure Handle reactive patternsTest your RxJava codeWrite your own operatorsCarry out reactive Android programmingWho This Book Is ForExperienced Java programmers new to reactive programming and those who may have some experience with reactive programming new to Java.
Reactive Patterns with RxJS for Angular: A practical guide to managing your Angular application's data reactively and efficiently using RxJS 7
by Lamis ChebbiDiscover how you can leverage the reactive paradigm with RxJS in your Angular applications using some common patterns and techniques that can be implemented in real-world use casesKey FeaturesLearn how to write clean, maintainable, performant, and optimized Angular web applications using reactive patternsExplore various RxJS operators and techniques in detail to improve the testing and performance of your codeSwitch from an imperative mindset to reactive by comparing bothBook DescriptionRxJS is a fast, reliable, and compact library for handling asynchronous and event-based programs. It is a first-class citizen in Angular and enables web developers to enhance application performance, code quality, and user experience, so using reactive patterns in your Angular web development projects can improve user interaction on your apps, which will significantly improve the ROI of your applications.This book is a step-by-step guide to learning everything about RxJS and reactivity. You'll begin by understanding the importance of the reactive paradigm and the new features of RxJS 7. Next, you'll discover various reactive patterns, based on real-world use cases, for managing your application's data efficiently and implementing common features using the fewest lines of code.As you build a complete application progressively throughout the book, you'll learn how to handle your app data reactively and explore different patterns that enhance the user experience and code quality, while also improving the maintainability of Angular apps and the developer's productivity. Finally, you'll test your asynchronous streams and enhance the performance and quality of your applications by following best practices.By the end of this RxJS Angular book, you'll be able to develop Angular applications by implementing reactive patterns.What you will learnUnderstand how to use the marble diagram and read it for designing reactive applicationsWork with the latest features of RxJS 7Build a complete Angular app reactively, from requirement gathering to deploying itBecome well-versed with the concepts of streams, including transforming, combining, and composing themExplore the different testing strategies for RxJS apps, their advantages, and drawbacksUnderstand memory leak problems in web apps and techniques to avoid themDiscover multicasting in RxJS and how it can resolve complex problemsWho this book is forIf you're an Angular developer who wants to leverage RxJS for building reactive web applications, this is the book for you. Beginner-level experience with Angular and TypeScript and knowledge of functional programming concepts is assumed.
Reactive Programming With Java 9
by Tejaswini Mandar JogThis book will teach you how to build robust asynchronous and event-driven applications with ease. About This Book • Learn about Java 9's Flow API, Reactive programming along with Kafka and Mockito, and how these aspects are utilized by RxJava • Build fast and concurrent applications with ease, without the complexity of Java's concurrent API and shared states, with the help of Spring • Explore a wide variety of code examples to easily get used to all the features and tools provided by RxJava and Akka Who This Book Is For This book targets existing Java developers who want to understand Reactive programming and build responsive and resilient asynchronous applications using Reactive stream implementations. What You Will Learn • Understand the Reactive Manifesto • Grasp the Reactive Streams types introduced in Java 9 in the form of the Flow API • Use RxJava, a Reactive Streams implementation, to build asynchronous applications • Build responsiveness and resilience into applications using RxJava operators • Demonstrate the usage of Hystrix, a latency and fault tolerance library from Netflix that uses RxJava • Implement Reactive web applications using Spring Framework 5 and RxJava In Detail Reactive programming is an asynchronous programming model that helps you tackle the essential complexity that comes with writing such applications. Using Reactive programming to start building applications is not immediately intuitive to a developer who has been writing programs in the imperative paradigm. To tackle the essential complexity, Reactive programming uses declarative and functional paradigms to build programs. This book sets out to make the paradigm shift easy. This book begins by explaining what Reactive programming is, the Reactive manifesto, and the Reactive Streams specifi cation. It uses Java 9 to introduce the declarative and functional paradigm, which is necessary to write programs in the Reactive style. It explains Java 9's Flow API, an adoption of the Reactive Streams specifi cation. From this point on, it focuses on RxJava 2.0, covering topics such as creating, transforming,fi ltering, combining, and testing Observables. It discusses how to use Java's popular framework, Spring, to build event-driven, Reactive applications. You will also learn how to implement resiliency patterns using Hystrix. By the end, you will be fully equipped with the tools and techniques needed to implement robust, event-driven, Reactive applications. Style and approach This book is a tutorial about Reactive programming in Java using APIs as well as the RxJava library. Packed with a lot of well-described examples, it explains Reactive programming concepts in plain and readable language.
Reactive Programming for .NET Developers
by Antonio Esposito Michael CiceriGet up and running with reactive programming paradigms to build fast, concurrent, and powerful applications About This Book * Get to grips with the core design principles of reactive programming * Learn about Reactive Extensions for .NET through real-world examples * Improve your problem-solving ability by applying functional programming Who This Book Is For If you are a .NET developer who wants to implement all the reactive programming paradigm techniques to create better and more efficient code, then this is the book for you. No prior knowledge of reactive programming is expected. What You Will Learn * Create, manipulate, and aggregate sequences in a functional-way * Query observable data streams using standard LINQ query operators * Program reactive observers and observable collections with C# * Write concurrent programs with ease, scheduling actions on various workers * Debug, analyze, and instrument Rx functions * Integrate Rx with CLR events and custom scheduling * Learn Functional Reactive Programming with F# In Detail Reactive programming is an innovative programming paradigm focused on time-based problem solving. It makes your programs better-performing, easier to scale, and more reliable. Want to create fast-running applications to handle complex logics and huge datasets for financial and big-data challenges? Then you have picked up the right book! Starting with the principles of reactive programming and unveiling the power of the pull-programming world, this book is your one-stop solution to get a deep practical understanding of reactive programming techniques. You will gradually learn all about reactive extensions, programming, testing, and debugging observable sequence, and integrating events from CLR data-at-rest or events. Finally, you will dive into advanced techniques such as manipulating time in data-flow, customizing operators and providers, and exploring functional reactive programming. By the end of the book, you'll know how to apply reactive programming to solve complex problems and build efficient programs with reactive user interfaces. Style and approach This is a concise reference manual for reactive programming with Rx for C# and F# using real-world, practical examples.
Reactive Programming in Kotlin
by Rivu ChakrabortyLearn how to implement Reactive Programming paradigms with Kotlin, and apply them to web programming with Spring Framework 5.0 and in Android Application Development. About This Book • Learn how to solve blocking user experience with Reactive Programming and get deep insights into RxKotlin • Integrate Reactive Kotlin with Spring and build fantastic Android Apps with RxKotlin and RxAndroid • Build reactive architectures that reduce complexity throughout the development process and make your apps(web and Android) scalable Who This Book Is For This book is for Kotlin developers who would like to build fault-tolerant, scalable, and distributed systems. A basic knowledge of Kotlin is required, but no prior knowledge of reactive programming. What You Will Learn • Learn about reactive programming paradigms and how reactive programming can improve your existing projects • Gain in-depth knowledge in RxKotlin 2.0 and the ReactiveX Framework • Use RxKotlin with Android • Create your own custom operators in RxKotlin • Use Spring Framework 5.0 with Kotlin • Use the reactor-kotlin extension • Build Rest APIs with Spring,Hibernate, and RxKotlin • Use testSubscriber to test RxKotlin applications • Use backpressure management and Flowables In Detail In today's app-driven era, when programs are asynchronous, and responsiveness is so vital, reactive programming can help you write code that's more reliable, easier to scale, and better-performing. Reactive programming is revolutionary. With this practical book, Kotlin developers will first learn how to view problems in the reactive way, and then build programs that leverage the best features of this exciting new programming paradigm. You will begin with the general concepts of Reactive programming and then gradually move on to working with asynchronous data streams. You will dive into advanced techniques such as manipulating time in data-flow, customizing operators and provider and how to Use the concurrency model to control asynchronicity of code and process event handlers effectively. You will then be introduced to functional reactive programming and will learn to apply FRP in practical use cases in Kotlin. This book will also take you one step forward by introducing you to spring 5 and spring boot 2 using Kotlin. By the end of the book, you will be able to build real-world applications with reactive user interfaces as well as you'll learn to implement reactive programming paradigms in Android. Style and Approach Loaded with numerous code examples and real-life projects, this book helps you delve into Reactive Programming with Kotlin, and apply it to real-world Spring-web and Android projects, thus making all your apps reactive.
Reactive Programming in Kotlin
by Rivu ChakrabortyLearn how to implement Reactive Programming paradigms with Kotlin, and apply them to web programming with Spring Framework 5.0 and in Android Application Development. About This Book Learn how to solve blocking user experience with Reactive Programming and get deep insights into RxKotlin Integrate Reactive Kotlin with Spring and build fantastic Android Apps with RxKotlin and RxAndroid Build reactive architectures that reduce complexity throughout the development process and make your apps(web and Android) scalable Who This Book Is For This book is for Kotlin developers who would like to build fault-tolerant, scalable, and distributed systems. A basic knowledge of Kotlin is required, but no prior knowledge of reactive programming. What You Will Learn Learn about reactive programming paradigms and how reactive programming can improve your existing projects Gain in-depth knowledge in RxKotlin 2.0 and the ReactiveX Framework Use RxKotlin with Android Create your own custom operators in RxKotlin Use Spring Framework 5.0 with Kotlin Use the reactor-kotlin extension Build Rest APIs with Spring,Hibernate, and RxKotlin Use testSubscriber to test RxKotlin applications Use backpressure management and Flowables In Detail In today's app-driven era, when programs are asynchronous, and responsiveness is so vital, reactive programming can help you write code that's more reliable, easier to scale, and better-performing. Reactive programming is revolutionary. With this practical book, Kotlin developers will first learn how to view problems in the reactive way, and then build programs that leverage the best features of this exciting new programming paradigm. You will begin with the general concepts of Reactive programming and then gradually move on to working with asynchronous data streams. You will dive into advanced techniques such as manipulating time in data-flow, customizing operators and provider and how to Use the concurrency model to control asynchronicity of code and process event handlers effectively. You will then be introduced to functional reactive programming and will learn to apply FRP in practical use cases in Kotlin. This book will also take you one step forward by introducing you to spring 5 and spring boot 2 using Kotlin. By the end of the book, you will be able to build real-world applications with reactive user interfaces as well as you'll learn to implement reactive programming paradigms in Android. Style and Approach Loaded with numerous code examples and real-life projects, this book helps you delve into Reactive Programming with Kotlin, and apply it to real-world Spring-web and Android projects, thus making all your apps reactive.
Reactive Programming with JavaScript
by Jonathan HaywardLearn the hot new front-end web framework from Facebook: ReactJS, an easy way of developing the V in MVC and a better approach to software engineering in JavaScript About This Book * Learn to develop webapps for Facebook's front-end development using ReactJS * Use functional reactive programming with ReactJS * Easyto understand, comprehensive with in-depth coverage of practical examples Who This Book Is For If you are proficient with JavaScript and want to know about functional programming, reactive programming, functional reactive programming, and the Facebook approach to functional reactive programming then this book is for you. This book is also for web/front-end developers who would like webapps to be developed faster and more easily using the ReactJS framework. Basic knowledge of JavaScript is expected. What You Will Learn * Learn functional reactive programming with JavaScript for non-mathematicians * Experience Facebook's primary front-end framework, ReactJS * Using the tools Facebook uses to build a better site in less time * Create and implement Node.js * Delve into the development of webapps using ReactJS * Implementation of FRP ReactJS with live examples In Detail Reactive programming is carried out using the building blocks of functional programming. JavaScript libraries such as ReactJS are used for front-end web development that is both competent and powerful. ReactJS is intensively being used to develop webapps for Facebook. This title is among the first of those addressing how everyday programmers can take advantage of (functional) reactive programming without having an extremely heavy mathematical background. It starts with the basics a front-end developer can easily connect with, while also covering the basics of functional programming. Then it goes on to explain non-functional reactive programming with the help of a live example. After that it gives a theoretical overview of reactive programming supported by functional programming. Tools to make functional reactive programming easier like Bacon.js, a library like jQuery, are also covered. Finally, it finishes with building one small and one larger front-end project. Style and approach A rounded and multifaceted approach covers reactive JavaScript with Facebook's ReactJS. The author's lively approach makes the book even more engaging. Also, with easy-to-understand examples, readers will learn how to use functional reactive programming with JavaScript.
Reactive Programming with Node.js
by Fernando DoglioLearn how to institute Reactive Programming (RP) for your back-end development with Node. js. Up to now, RP has most often been used in front-end development, but with its cutting-edge approach you can also transform your back-end programming. Reactive Programming with Node. js will show you the paradigms of RP, why you should use it, and the variations available to you. You will learn how to use the main libraries necessary to provide an enhanced development experience in Node. js, including RxJS, Bacon. js, Kefir. js, and Highland. js. You will also create a custom library that provides a variety of key features, and learn how to scale up a system developed using RP in Node. js. Ideal for back-end developers with knowledge of Node. js or JavaScript, this book enables you to get up and running with RP in Node. js, and revolutionize your back-end development. What You'll Learn: Review the variations of Reactive programming Use the main libraries that provide this type of development experience in Node. js Create a custom library Scale up a system developed using RP in Node. js Who This Book Is For: Any back-end developers who understand Node. js or are advanced enough to pick up the basics. Ideal for developers who have an interest in learning about this different programming paradigm that's being used more and more every day.
Reactive Programming with RxJS 5: Untangle Your Asynchronous JavaScript Code
by Sergi MansillaReactive programming is revolutionary. It makes asynchronous programming clean, intuitive, and robust. Use RxJS 5 to write complex programs in a simple way, and master the Observable: a powerful data type that substitutes callbacks and promises. Think about your programs as streams of data that change and adapt to produce what you want. Manage real-world concurrency and write complex flows of events in your applications with ease. Take advantage of Schedulers to make asynchronous testing easier. The code in this new edition is completely updated for RxJS 5 and ES6. Create concurrent applications with ease using RxJS 5, a powerful event composition library. Real-world JavaScript applications require you to master asynchronous programming, and chances are that you'll spend more time coordinating asynchronous events than writing actual functionality. This book introduces concepts and tools that will greatly simplify the process of writing asynchronous programs. Find out about Observables, a unifying data type that simplifies concurrent code and eases the pain of callbacks. Learn how Schedulers change the concept of time itself, making asynchronous testing sane again. Find real-world examples for the browser and Node.js along the way: how about a real-time earthquake visualization in 20 lines of code, or a frantic shoot-'em-up space videogame? You'll also use Cycle.js - a modern, reactive, web framework - to make a new breed of web applications. By the end of the book, you'll know how to think in a reactive way, and to use RxJS 5 to build complex programs and create amazing reactive user interfaces. You'll also understand how to integrate it with your existing projects and use it with the frameworks you already know. All the code in this new edition has been thoroughly revised and updated for RxJS 5, ES6, and Cycle.js Unified. What You Need: NodeJS 6.x and a modern web browser
Reactive Programming with RxJava: Creating Asynchronous, Event-Based Applications
by Tomasz Nurkiewicz Ben ChristensenIn today’s app-driven era, when programs are asynchronous and responsiveness is so vital, reactive programming can help you write code that’s more reliable, easier to scale, and better-performing. With this practical book, Java developers will first learn how to view problems in the reactive way, and then build programs that leverage the best features of this exciting new programming paradigm.Authors Tomasz Nurkiewicz and Ben Christensen include concrete examples that use the RxJava library to solve real-world performance issues on Android devices as well as the server. You’ll learn how RxJava leverages parallelism and concurrency to help you solve today’s problems. This book also provides a preview of the upcoming 2.0 release.Write programs that react to multiple asynchronous sources of input without descending into "callback hell"Get to that aha! moment when you understand how to solve problems in the reactive wayCope with Observables that produce data too quickly to be consumedExplore strategies to debug and to test programs written in the reactive styleEfficiently exploit parallelism and concurrency in your programsLearn about the transition to RxJava version 2
Reactive Programming with Scala
by Prasanna Kumar Sathyanarayanan Suraj AtreyaIf you are a developer who is passionate about building fault-tolerant, scalable distributed applications using Scala and Akka, then this book will give you a jump start. You should be familiar with Scala, but no prior knowledge of Akka and reactive programming is required.
Reactive Programming with Swift
by Cecil CostaLeverage the power of the Functional Reactive Programming paradigm with Swift to develop robust iOS applications About This Book * Build highly responsive applications with this practical introduction to Reactive programming * This book uses ReactiveCocoa, the most popular solution for Reactive Programming on iOS to install, debug, and develop a framework with Swift * Switch from the traditional programming style to the reactive paradigm to code your first reactive applications with ease Who This Book Is For Reactive Programming with Swift is for Swift developers who want to start making more powerful and efficient applications. You need a basic understanding of Swift to follow along. This book takes a first-principles approach to what Reactive Programming is and how you can start implementing it in your next iOS applications. What You Will Learn * Switch your programming concepts from imperative to Functional reactive programming * Improve your app's maintenance by developing with a different paradigm * Create unit tests and automation tests using the ReactiveCocoa framework * Create clear code that is very easy to read * Get accustomed to migrating mobile apps to the Reactive way of programming * Perform asynchronous calls and join them later In Detail Reactive programming helps you write applications that are more powerful and efficient. You can write more software, help more people, and create applications that scale. Reactive programming is a growing paradigm that we will help you set to work in Swift. Reactive Programming with Swift guides you through migrating from the traditional way of developing to the new ReactiveCocoa framework, which uses Swift as its main programming language. You will learn how to develop with this framework, debug code, create unit tests, use additional frameworks, and convert a traditional framework into a ReactiveCocoa one. Starting with a crash course on the fundamental concepts of Reactive programming, we'll set you up so you're ready to create reactive applications. We'll then move on to topics such as Graphical events, Streaming, and Core data, which will help you dive deeper with advanced programming. The concept of switching your programming concepts from imperative to functional reactive programming will also be covered. By the end of this book, you will be able to successfully create highly functional apps using Swift. Style and approach This book is a fast-paced, practical guide compiled with ample images and screenshots that explain how to create apps and demonstrate their logic.
Reactive Programming with Swift 4: Build asynchronous reactive applications with easy-to-maintain and clean code using RxSwift and Xcode 9
by Navdeep SinghLearn how to solve blocking user experience and build event based reactive applications with Swift. Key Features Build fast and scalable apps with RxSwift Apply reactive programming to solve complex problems and build efficient programs with reactive user interfaces Take expressiveness, scalability, and maintainability of your Swift code to the next level with this practical guide Book Description RxSwift belongs to a large family of Rx implementations in different programming languages that share almost identical syntax and semantics. Reactive approach will help you to write clean, cohesive, resilient, scalable, and maintainable code with highly configurable behavior. This book will introduce you to the world of reactive programming, primarily focusing on mobile platforms. It will tell how you can benefit from using RxSwift in your projects, existing or new. Further on, the book will demonstrate the unbelievable ease of configuring asynchronous behavior and other aspects of the app that are traditionally considered to be hard to implement and maintain. It will explain what Rx is made of, and how to switch to reactive way of thinking to get the most out of it. Also, test production code using RxTest and the red/ green approach. Finally, the book will dive into real-world recipes and show you how to build a real-world app by applying the reactive paradigm. By the end of the book, you’ll be able to build a reactive swift application by leveraging all the concepts this book takes you through. What you will learn -Understand the practical benefits of Rx on a mobile platform -Explore the building blocks of Rx, and Rx data flows with marble diagrams - Learn how to convert an existing code base into RxSwift code base -Learn how to debug and test your Rx Code - Work with Playgrounds to transform sequences by filtering them using map, flatmap and other operators - Learn how to combine different operators to work with Events in a more controlled manner. - Discover RxCocoa and convert your simple UI elements to Reactive components - Build a complete RxSwift app using MVVM as design pattern Who this book is for This book is for the developers who are familiar with Swift and iOS application development and are looking out to reduce the complexity of their apps. Prior experience of reactive programming is not necessary.
Reactive Streams in Java: Concurrency with RxJava, Reactor, and Akka Streams
by Adam L. DavisGet an easy introduction to reactive streams in Java to handle concurrency, data streams, and the propagation of change in today's applications. This compact book includes in-depth introductions to RxJava, Akka Streams, and Reactor, and integrates the latest related features from Java 9 and 11, as well as reactive streams programming with the Android SDK. Reactive Streams in Java explains how to manage the exchange of stream data across an asynchronous boundary—passing elements on to another thread or thread-pool—while ensuring that the receiving side is not forced to buffer arbitrary amounts of data which can reduce application efficiency. After reading and using this book, you'll be proficient in programming reactive streams for Java in order to optimize application performance, and improve memory management and data exchanges. What You Will LearnDiscover reactive streams and how to use themWork with the latest features in Java 9 and Java 11Apply reactive streams using RxJava Program using Akka StreamsCarry out reactive streams programming in Android Who This Book Is For Experienced Java programmers.
Reactive Systems in Java: Resilient, Event-Driven Architecture with Quarkus
by Ken Finnigan Clement EscoffierReactive systems and event-driven architecture are becoming indispensable to application design, and companies are taking note. Reactive systems ensure that applications are responsive, resilient, and elastic no matter what failures or errors may be occurring, while event-driven architecture offers a flexible and composable option for distributed systems. This practical book helps Java developers bring these approaches together using Quarkus 2.x, the Kubernetes-native Java framework.Clement Escoffier and Ken Finnigan show you how to take advantage of event-driven and reactive principles to build robust distributed systems, reducing latency and increasing throughput, particularly in microservices and serverless applications. You'll also get a foundation in Quarkus to help you create true Kubernetes-native applications for the cloud.Understand the fundamentals of reactive systems and event-driven architectureLearn how to use Quarkus to build reactive applicationsCombine Quarkus with Apache Kafka or AMQP to build reactive systemsDevelop microservices that utilize messages with Quarkus for use in event-driven architecturesLearn how to integrate external messaging systems, such as Apache Kafka, with QuarkusBuild applications with Quarkus using reactive systems and reactive programming concepts
Reactive Web Applications: Covers Play, Akka, and Reactive Streams
by Manuel BernhardtSummaryReactive Web Applications teaches web developers how to benefit from the reactive application architecture and presents hands-on examples using the Play framework.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyReactive applications build on top of components that communicate asynchronously as they react to user and system events. As a result, they become scalable, responsive, and fault-tolerant. Java and Scala developers can use the Play Framework and the Akka concurrency toolkit to easily implement reactive applications without building everything from scratch.About the BookReactive Web Applications teaches web developers how to benefit from the reactive application architecture and presents hands-on examples using Play, Akka, Scala, and Reactive Streams. This book starts by laying out the fundamentals required for writing functional and asynchronous applications and quickly introduces Play as a framework to handle the plumbing of your application. The book alternates between chapters that introduce reactive ideas (asynchronous programming with futures and actors, managing distributed state with CQRS) and practical examples that show you how to build these ideas into your applications.What's InsideReactive application architectureBasics of Play and AkkaExamples in ScalaFunctional and asynchronous programmingAbout Reader DescriptionFor readers comfortable programming with a higher-level language such as Java or C#, and who can read Scala code. No experience with Play or Akka needed.About the AuthorManuel Bernhardt is a passionate engineer, author, and speaker. As a consultant, he guides companies through the technological and organizational transformation to distributed computing.Table of ContentsPART 1 GETTING STARTED WITH REACTIVE WEB APPLICATIONS Did you say reactive? Your first reactive web application Functional programming primer Quick introduction to Play PART 2 CORE CONCEPTSFutures Actors Dealing with state Responsive user interfacesPART 3 ADVANCED TOPICS Reactive Streams Deploying reactive Play applications Testing reactive web applications
Reactive with ClojureScript Recipes
by Nicolas ModrzykUse ClojureScript to create powerful serverless Web applications that are responsive and engaging. This book presents Reactive recipes with Reagent, a ClojureScript reactive framework, to create interactive applications. Throughout the book, Reactive with ClojureScript Recipes uses progressively more complex examples and introduces you to a set of powerful tools that target rapid web application development. In the last chapter, you'll use these concepts for an HTML5-based deployment to smart phones. ClojureScript is your functional programming language for the web. ClojureScript looks like a LISP, and compiles to JavaScript, and thus runs nicely run in the browser. What You'll Learn Write simple static web apps with Boot Iintegrate ClojureScript and its libraries Animate content, play with sound and videos Use Reagent, and be Reactive in the browser. Run your Application on a smart phones. Who This Book Is For Clojure developers who want to turn their functional skills to the web and JavaScript advanced developers who want reuse their web skills in a different language
Reactor Core Monitoring
by Mihály Makai János VéghThis book presents a comprehensive overview of the computerized core monitoring techniques currently employed at pressurized water reactor (PWR) and boiling water reactor (BWR) nuclear power plants. It also offers a brief overview of the corresponding techniques at research and materials testing reactors. The book combines detailed descriptions of the theoretical background and fundamental underlying principles as well as the practical applications of core surveillance. It not only provides numerous industrial examples to illustrate how complex computerized systems are able to support the safe operation of nuclear reactors, but also outlines some new application areas that were made possible only by state-of-the-art computing resources. Thanks to its practical approach, it serves as a valuable and practical reference book for readers interested in the surveillance of nuclear reactors, ranging from undergraduate and postgraduate students to researchers and experts working at research reactors and nuclear power plants, as well as at nuclear regulatory authorities.
Read Me First: A Take Control Crash Course
by Tonya EngstFind out what most tech writers hope you already know!Find out what most tech writers hope you already know in this free ebook by Tonya Engst. Tonya takes you behind the scenes, explaining why tech writers write the way they do and helping you decode the directions for everything from Desktops to directories, keys to menus, and paths to preferences.Although Read Me First: A Take Control Crash Course has plenty of basic information about using the Mac (and a few chapters about iOS), its focus is not on helping inexperienced users master important basics. Instead, it focuses on explaining the assumptions that tech writers make when writing directions. This book aims to make sure people reading technical documentation don't get stuck for the lack of basic know-how, such as how to match the name of your operating system with its numerical version, how to understand written shortcuts for navigating menus, what Control-click means, how to enter something on the command line, how to follow a path, and more.Because we feel strongly that everyone should know this information, the book is wired with social media options at the end of each chapter, so you can easily share individual chapters with anyone who could use the information.