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Humans learn best from feedback?we are encouraged to take actions that lead to positive results while deterred by decisions with negative consequences. This reinforcement process can be applied to computer programs allowing them to solve more complex problems that classical programming cannot. Deep Reinforcement Learning in Action teaches you the fundamental concepts and terminology of deep reinforcement learning, along with the practical skills and techniques you'll need to implement it into your own projects.Key features• Structuring problems as Markov Decision Processes • Popular algorithms such Deep Q-Networks, Policy Gradient method and Evolutionary Algorithms and the intuitions that drive them • Applying reinforcement learning algorithms to real-world problemsAudienceYou'll need intermediate Python skills and a basic understanding of deep learning.About the technologyDeep reinforcement learning is a form of machine learning in which AI agents learn optimal behavior from their own raw sensory input. The system perceives the environment, interprets the results of its past decisions, and uses this information to optimize its behavior for maximum long-term return. Deep reinforcement learning famously contributed to the success of AlphaGo but that's not all it can do!

If you think "Modern" and "C" don''t belong in the same sentence, think again. The C standards committee actively reviews and extends the language, with updated published C standards as recently as 2018. In Modern C, author Jens Gustedt teaches you the skills and features you need to write relevant programs in this tried-and-true language, including Linux and Windows, device drivers, web servers and browsers, smartphones, and much more! Modern C teaches you to take your C programming skills to new heights, whether you''re just starting out with C or have more extensive experience. Organized by level, this comprehensive guide lets you jump in where it suits you best while still reaping the maximum benefits. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.

Summary Classic Computer Science Problems in Python deepens your knowledge of problem-solving techniques from the realm of computer science by challenging you with time-tested scenarios, exercises, and algorithms. As you work through examples in search, clustering, graphs, and more, you'll remember important things you've forgotten and discover classic solutions to your "new" problems! Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the Technology Computer science problems that seem new or unique are often rooted in classic algorithms, coding techniques, and engineering principles. And classic approaches are still the best way to solve them! Understanding these techniques in Python expands your potential for success in web development, data munging, machine learning, and more. About the Book Classic Computer Science Problems in Python sharpens your CS problem-solving skills with time-tested scenarios, exercises, and algorithms, using Python. You'll tackle dozens of coding challenges, ranging from simple tasks like binary search algorithms to clustering data using k-means. You'll especially enjoy the feeling of satisfaction as you crack problems that connect computer science to the real-world concerns of apps, data, performance, and even nailing your next job interview! What's Inside Search algorithms Common techniques for graphs Neural networks Genetic algorithms Adversarial search Uses type hints throughout Covers Python 3.7   About the Reader For intermediate Python programmers. About the Author David Kopec is an assistant professor of Computer Science and Innovation at Champlain College in Burlington, Vermont. He is the author of Dart for Absolute Beginners (Apress, 2014) and Classic Computer Science Problems in Swift (Manning, 2018). Table of Contents Small problems Search problems Constraint-satisfaction problems Graph problems Genetic algorithms K-means clustering Fairly simple neural networks Adversarial search Miscellaneous problems    

SummaryDask is a native parallel analytics tool designed to integrate seamlessly with the libraries you''re already using, including Pandas, NumPy, and Scikit-Learn. With Dask you can crunch and work with huge datasets, using the tools you already have. And Data Science with Python and Dask is your guide to using Dask for your data projects without changing the way you work!Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. You''ll find registration instructions inside the print book.About the TechnologyAn efficient data pipeline means everything for the success of a data science project. Dask is a flexible library for parallel computing in Python that makes it easy to build intuitive workflows for ingesting and analyzing large, distributed datasets. Dask provides dynamic task scheduling and parallel collections that extend the functionality of NumPy, Pandas, and Scikit-learn, enabling users to scale their code from a single laptop to a cluster of hundreds of machines with ease.About the BookData Science with Python and Dask teaches you to build scalable projects that can handle massive datasets. After meeting the Dask framework, you''ll analyze data in the NYC Parking Ticket database and use DataFrames to streamline your process. Then, you''ll create machine learning models using Dask-ML, build interactive visualizations, and build clusters using AWS and Docker. What''s insideWorking with large, structured and unstructured datasetsVisualization with Seaborn and DatashaderImplementing your own algorithmsBuilding distributed apps with Dask DistributedPackaging and deploying Dask appsAbout the ReaderFor data scientists and developers with experience using Python and the PyData stack.About the AuthorJesse Daniel is an experienced Python developer. He taught Python for Data Science at the University of Denver and leads a team of data scientists at a Denver-based media technology company.Table of ContentsPART 1 - The Building Blocks of scalable computingWhy scalable computing matters Introducing Dask PART 2 - Working with Structured Data using Dask DataFrames Introducing Dask DataFrames Loading data into DataFrames Cleaning and transforming DataFrames Summarizing and analyzing DataFrames Visualizing DataFrames with Seaborn Visualizing location data with Datashader PART 3 - Extending and deploying DaskWorking with Bags and Arrays Machine learning with Dask-ML Scaling and deploying Dask

SummaryCloud Native Patternsis your guide to developing strong applications that thrive in the dynamic, distributed, virtual world of the cloud. This book presents a mental model for cloud-native applications, along with the patterns, practices, and tooling that set them apart.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyCloud platforms promise the holy grail: near-zero downtime, infinite scalability, short feedback cycles, fault-tolerance, and cost control. But how do you get there? By applying cloudnative designs, developers can build resilient, easily adaptable, web-scale distributed applications that handle massive user traffic and data loads. Learn these fundamental patterns and practices, and you''ll be ready to thrive in the dynamic, distributed, virtual world of the cloud.About the BookWith 25 years of experience under her belt, Cornelia Davis teaches you the practices and patterns that set cloud-native applications apart. With realistic examples and expert advice for working with apps, data, services, routing, and more, she shows you how to design and build software that functions beautifully on modern cloud platforms. As you read, you will start to appreciate that cloud-native computing is more about the how and why rather than the where. What''s insideThe lifecycle of cloud-native appsCloud-scale configuration managementZero downtime upgrades, versioned services, and parallel deploysService discovery and dynamic routingManaging interactions between services, including retries and circuit breakersAbout the ReaderRequires basic software design skills and an ability to read Java or a similar language.About the AuthorCornelia Davis is Vice President of Technology at Pivotal Software. A teacher at heart, she''s spent the last 25 years making good software and great software developers.Table of ContentsPART 1 - THE CLOUD-NATIVE CONTEXTYou keep using that word: Defining "cloud-native"Running cloud-native applications in productionThe platform for cloud-native softwarePART 2 - CLOUD-NATIVE PATTERNSEvent-driven microservices: It''s not just request/responseApp redundancy: Scale-out and statelessnessApplication configuration: Not just environment variablesThe application lifecycle: Accounting for constant changeAccessing apps: Services, routing, and service discoveryInteraction redundancy: Retries and other control loopsFronting services: Circuit breakers and API gatewaysTroubleshooting: Finding the needle in the haystackCloud-native data: Breaking the data monolith

Web APIs are everywhere, giving developers an efficient way to interact with applications, services, and data. Well-designed APIs are a joy to use; poorly-designed APIs are cumbersome, confusing, and frustrating. The Design of EverydayAPIs is a practical, example packed guide to crafting extraordinary web APIs. Author Arnaud Lauret demonstrates fantastic design principles and techniques you can apply to both public and private web APIs. The Design of Everyday APIs introduces you to the challenging and creative world of API design. In this experience-driven guide, you'll learn to think like an API designer, embracing effective practices for requirements gathering, blending business and technical goals, and adopting a consumer-first mindset. You'll master the lifecycle of web API design, including the all-important secure-by-design approach. This book teaches principles that can be applied in any style of API. Most examples are illustrated using REST and the OpenAPI specification. Written for developers with minimal experience building and consuming APIs. Key Features Characteristics of a well-designed API Explore the full API design lifecycle Designing user-oriented APIs Secure APIs by design Evolving existing APIs Validating your API designs Arnaud Lauret is a software architect with 15 years of experience in the banking industry. He has spent a decade using, designing, and building APIs. He's known on the web as the API Handyman (http://apihandyman.io) and is the creator the API Stylebook (http://apistylebook.com), a collection of resources for API designers.

Elm is more than just a cutting-edge programming language, it's a chance to upgrade the way you think about building web applications. Once you get comfortable with Elm's refreshingly different approach to application development, you'll be working with a clean syntax, dependable libraries, and a delightful compiler that essentially eliminates runtime exceptions. Elm compiles to JavaScript, so your code runs in any browser, and Elm's best-in-class rendering speed will knock your socks off. Let's get started! Elm in Action teaches you how to build well-designed, highly performant web applications using the Elm language. As you read, you'll follow an application called Photo Groove that will show you how to structure your application's domain and behaviour, how to maintain a pleasantly modular architecture, and how to deliver a quality product using the Elm language. Along the way, you'll learn how to interact smoothly with browser functionality, servers, and JavaScript libraries, as well and picking up a few tricks for building fluid, intuitive user experiences. If you're new to functional programming, you'll also gain a practical understanding of techniques that will make you a better developer no matter what you're writing! Written for readers comfortable with web application development in JavaScript. No experience with Elm or functional programming required. Key Features Getting started with the Elm language Scalable design for production web applications Single-page applications in Elm Testing your applications Richard Feldman is a programmer and entrepreneur who loves to push the limits of browser-based programming. He's a front-end engineer at NoRedInk and a well-known member of the Elm community.

With DApps built on the Ethereum blockchain, users can establish persistent, reliable ownership records for actions such as buying a car or a house with smart contracts to enforce blockchain-based verification before a transaction can be completed. Building Ethereum DApps introduces readers to decentralized applications based on the Ethereum blockchain platform. They'll discover how to design smart contracts to enforce transaction rules, and then implement them in Ethereum's JavaScript-like Solidity language. Key Features· Understanding decentralized applications and the underlying technologies· Learning the key components of the Ethereum platform· Implementing smart contracts in Solidity AudienceWritten for developers with intermediate experience in an OO language or in JavaScript. Some understanding and experience with blockchain concepts is helpful. Author BioRoberto Infante is an independent software development consultant who specializes in finance. Throughout his career, he has worked on a variety of innovative projects, such as the first internet mortgage approval system in the UK and one of the first online insurance underwriting systems in London.

Programmer's Guide to Apache Thrift provides comprehensive coverage of the Apache Thrift framework along with a developer's-eye view of modern distributed application architecture. Packed with complete code examples and pragmatic discussion, this book lays the best practices for multi-language distributed application development. You'll take a guided tour through transports, protocols, IDL and servers as you explore complete example programs in C++, Java and Python. You'll also learn how to work with platforms ranging from enterprise servers to mobile clients. About the technologyAny distributed application includes individual components, often written in different languages and hosted in multiple locations, which must communicate quickly and efficiently. Apache Thrift is a communication framework that enables cross-language remote procedure calls and serialization. Apache Thrift supports embedded, mobile, web, and server environments and a host of languages ranging from JavaScript to C++. It's perfect for back end services and embedded systems where size, scalability and performance are mission critical. Key Features Clear, concise coverage of all of the primary Apache Thrift features Complete coverage of the Apache Thrift Interface Definition Language Building and serializing complex user defined types Working with plug in serialization protocols and data compression Creating cross-language services Tools and features to enable interface evolutionRandy Abernethy is an active Apache Thrift contributor and can be found on the dev and user email lists. A serial entrepreneur, Randy founded Hollywood's first all hard disk recording studio in the early 90s, a direct market access institutional brokerage in the 2000s, and has recently focused on the development of proprietary automated trading systems using Apache Thrift for interoperability.

SummaryDeep Learning and the Game of Go teaches you how to apply the power of deep learning to complex reasoning tasks by building a Go-playing AI. After exposing you to the foundations of machine and deep learning, you''ll use Python to build a bot and then teach it the rules of the game.Foreword by Thore Graepel, DeepMindPurchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyThe ancient strategy game of Go is an incredible case study for AI. In 2016, a deep learning-based system shocked the Go world by defeating a world champion. Shortly after that, the upgraded AlphaGo Zero crushed the original bot by using deep reinforcement learning to master the game. Now, you can learn those same deep learning techniques by building your own Go bot!About the BookDeep Learning and the Game of Go introduces deep learning by teaching you to build a Go-winning bot. As you progress, you''ll apply increasingly complex training techniques and strategies using the Python deep learning library Keras. You''ll enjoy watching your bot master the game of Go, and along the way, you''ll discover how to apply your new deep learning skills to a wide range of other scenarios!What''s insideBuild and teach a self-improving game AIEnhance classical game AI systems with deep learningImplement neural networks for deep learningAbout the ReaderAll you need are basic Python skills and high school-level math. No deep learning experience required.About the AuthorMax Pumperla and Kevin Ferguson are experienced deep learning specialists skilled in distributed systems and data science. Together, Max and Kevin built the open source bot BetaGo.Table of ContentsPART 1 - FOUNDATIONSToward deep learning: a machine-learning introductionGo as a machine-learning problemImplementing your first Go botPART 2 - MACHINE LEARNING AND GAME AIPlaying games with tree searchGetting started with neural networksDesigning a neural network for Go dataLearning from data: a deep-learning botDeploying bots in the wildLearning by practice: reinforcement learningReinforcement learning with policy gradientsReinforcement learning with value methodsReinforcement learning with actor-critic methodsPART 3 - GREATER THAN THE SUM OF ITS PARTSAlphaGo: Bringing it all togetherAlphaGo Zero: Integrating tree search with reinforcement learning

SummaryVoice Applications for Alexa and Google Assistant is your guide to designing, building, and implementing voice-based applications for Alexa and Google Assistant. Inside, you''ll learn how to build your own "skills"—the voice app term for actions the device can perform—from scratch.Foreword by Max Amordeluso.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. You''ll find registration instructions inside the print book.About the TechnologyIn 2018, an estimated 100 million voice-controlled devices were installed in homes worldwide, and the apps that control them, like Amazon Alexa and Google Assistant, are getting more powerful, with new skills being added every day. Great voice apps improve how users interact with the web, whether they''re checking the weather, asking for sports scores, or playing a game.About the BookVoice Applications for Alexa and Google Assistant is your guide to designing, building, and implementing voice-based applications for Alexa and Google Assistant. You''ll learn to build applications that listen to users, store information, and rely on user context, as you create a voice-powered sleep tracker from scratch. With the basics mastered, you''ll dig deeper into multiuse conversational flow and other more-advanced concepts. Smaller projects along the way reinforce your new techniques and best practices. What''s insideBuilding a call-and-response skillDesigning a voice user interfaceUsing conversational contextGoing multimodalTips and best practicesAbout the ReaderPerfect for developers with intermediate JavaScript skills and basic Node.js skills. No previous experience with voice-first platforms is required.About the AuthorDustin A. Coates is a developer who focuses on voice and conversational applications. He''s currently the voice search lead at Algolia and is also a Google Developers Expert for Assistant as well as cohost of the VUX World podcast.Table of ContentsIntroduction to voice first Building a call-and-response skill on Alexa Designing a voice user interface Using entity resolution and built?in intents in Alexa skills Making a conversational Alexa skill VUI and conversation best practices Using conversation tools to add meaning and usabilityDirecting conversation flowBuilding for Google Assistant Going multimodal Push interactions Building for actions on Google with the Actions SDK

SummaryHTTP/2 in Action is a complete guide to HTTP/2, one of the core protocols of the web. Because HTTP/2 has been designed to be easy to transition to, including keeping it backwards compatible, adoption is rapid and expected to increase over the next few years. Concentrating on practical matters, this interesting book presents key HTTP/2 concepts such as frames, streams, and multiplexing and explores how they affect the performance and behavior of your websites.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyHTTP—Hypertext Transfer Protocol—is the standard for exchanging messages between websites and browsers. And after 20 years, it''s gotten a much-needed upgrade. With support for streams, server push, header compression, and prioritization, HTTP/2 delivers vast improvements in speed, security, and efficiency.About the BookHTTP/2 in Action teaches you everything you need to know to use HTTP/2 effectively. You''ll learn how to optimize web performance with new features like frames, multiplexing, and push. You''ll also explore real-world examples on advanced topics like flow control and dependencies. With ready-to-implement tips and best practices, this practical guide is sure to get you—and your websites—up to speed!What''s InsideHTTP/2 for web developersUpgrading and troubleshootingReal-world examples and case studiesQUIC and HTTP/3About the ReaderWritten for web developers and site administrators.About the AuthorsBarry Pollard is a professional developer with two decades of experience developing, supporting, and tuning software and infrastructure.Table of ContentsPART 1 MOVING TO HTTP/2Web technologies and HTTPThe road to HTTP/2 Upgrading to HTTP/2PART 2 USING HTTP/2HTTP/2 protocol basicsImplementing HTTP/2 pushOptimizing for HTTP/2PART 3 ADVANCED HTTP/2Advanced HTTP/2 conceptsHPACK header compressionPART 4 THE FUTURE OF HTTPTCP, QUIC, and HTTP/3Where HTTP goes from here

SummaryRevised and updated for Elixir 1.7, Elixir in Action, Second Edition teaches you how to apply Elixir to practical problems associated with scalability, fault tolerance, and high availability. Along the way, you''ll develop an appreciation for, and considerable skill in, a functional and concurrent style of programming.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyWhen you''re building mission-critical software, fault tolerance matters. The Elixir programming language delivers fast, reliable applications, whether you''re building a large-scale distributed system, a set of backend services, or a simple web app. And Elixir''s elegant syntax and functional programming mindset make your software easy to write, read, and maintain.About the BookElixir in Action, Second Edition teaches you how to build production-quality distributed applications using the Elixir programming language. Author Saša Jurić introduces this powerful language using examples that highlight the benefits of Elixir''s functional and concurrent programming. You''ll discover how the OTP framework can radically reduce tedious low-level coding tasks. You''ll also explore practical approaches to concurrency as you learn to distribute a production system over multiple machines. What''s insideUpdated for Elixir 1.7Functional and concurrent programmingIntroduction to distributed system designCreating deployable releasesAbout the ReaderYou''ll need intermediate skills with client/server applications and a language like Java, C#, or Ruby. No previous experience with Elixir required.About the AuthorSaša Jurić is a developer with extensive experience using Elixir and Erlang in complex server-side systems.Table of ContentsFirst stepsBuilding blocksControl flowData abstractionsConcurrency primitivesGeneric server processesBuilding a concurrent systemFault-tolerance basicsIsolating error effectsBeyond GenServerWorking with componentsBuilding a distributed systemRunning the system

SummarySpring in Action, 5th Edition is the fully updated revision of Manning''s bestselling Spring in Action. This new edition includes all Spring 5.0 updates, along with new examples on reactive programming, Spring WebFlux, and microservices. You''ll also find the latest Spring best practices, including Spring Boot for application setup and configuration.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologySpring Framework makes life easier for Java developers. New features in Spring 5 bring its productivity-focused approach to microservices, reactive development, and other modern application designs. With Spring Boot now fully integrated, you can start even complex projects with minimal configuration code. And the upgraded WebFlux framework supports reactive apps right out of the box!About the BookSpring in Action, 5th Edition guides you through Spring''s core features, explained in Craig Walls'' famously clear style. You''ll roll up your sleeves and build a secure database-backed web app step by step. Along the way, you''ll explore reactive programming, microservices, service discovery, RESTful APIs, deployment, and expert best practices. Whether you''re just discovering Spring or leveling up to Spring 5.0, this Manning classic is your ticket!What''s insideBuilding reactive applicationsSpring MVC for web apps and RESTful web servicesSecuring applications with Spring SecurityCovers Spring 5.0Over 100,000 copies sold!About the ReaderFor intermediate Java developers.About the AuthorCraig Walls is a principal software engineer at Pivotal, a popular author, an enthusiastic supporter of Spring Framework, and a frequent conference speaker.Table of ContentsPART 1 - FOUNDATIONAL SPRING Getting started with Spring Developing web applications Working with data Securing Spring Working with configuration properties PART 2 - INTEGRATED SPRINGCreating REST services Consuming REST services Sending messages asynchronously Integrating Spring PART 3 - REACTIVE SPRING Introducing Reactor Developing reactive APIs Persisting data reactivelyPART 4 CLOUD-NATIVE SPRINGDiscovering services Managing configuration Handling failure and latency PART 5 - DEPLOYED SPRING Working with Spring Boot Actuator Administering Spring Monitoring Spring with JMX Deploying Spring

SummaryData Wrangling with JavaScript is hands-on guide that will teach you how to create a JavaScript-based data processing pipeline, handle common and exotic data, and master practical troubleshooting strategies.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyWhy not handle your data analysis in JavaScript? Modern libraries and data handling techniques mean you can collect, clean, process, store, visualize, and present web application data while enjoying the efficiency of a single-language pipeline and data-centric web applications that stay in JavaScript end to end.About the BookData Wrangling with JavaScript promotes JavaScript to the center of the data analysis stage! With this hands-on guide, you''ll create a JavaScript-based data processing pipeline, handle common and exotic data, and master practical troubleshooting strategies. You''ll also build interactive visualizations and deploy your apps to production. Each valuable chapter provides a new component for your reusable data wrangling toolkit.What''s insideEstablishing a data pipelineAcquisition, storage, and retrievalHandling unusual data setsCleaning and preparing raw dataInteractive visualizations with D3About the ReaderWritten for intermediate JavaScript developers. No data analysis experience required.About the AuthorAshley Davis is a software developer, entrepreneur, author, and the creator of Data-Forge and Data-Forge Notebook, software for data transformation, analysis, and visualization in JavaScript.Table of ContentsGetting started: establishing your data pipelineGetting started with Node.jsAcquisition, storage, and retrievalWorking with unusual dataExploratory codingClean and prepareDealing with huge data filesWorking with a mountain of dataPractical data analysisBrowser-based visualizationServer-side visualizationLive dataAdvanced visualization with D3Getting to production

With this practical guide, readers will master an iterative process for identifying and refining user data needs and reflecting those requirements in data projects. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats.

SummaryEvent Streams in Action is a foundational book introducing the ULP paradigm and presenting techniques to use it effectively in data-rich environments.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyMany high-profile applications, like LinkedIn and Netflix, deliver nimble, responsive performance by reacting to user and system events as they occur. In large-scale systems, this requires efficiently monitoring, managing, and reacting to multiple event streams. Tools like Kafka, along with innovative patterns like unified log processing, help create a coherent data processing architecture for event-based applications.About the BookEvent Streams in Action teaches you techniques for aggregating, storing, and processing event streams using the unified log processing pattern. In this hands-on guide, you''ll discover important application designs like the lambda architecture, stream aggregation, and event reprocessing. You''ll also explore scaling, resiliency, advanced stream patterns, and much more! By the time you''re finished, you''ll be designing large-scale data-driven applications that are easier to build, deploy, and maintain.What''s insideValidating and monitoring event streamsEvent analyticsMethods for event modelingExamples using Apache Kafka and Amazon KinesisAbout the ReaderFor readers with experience coding in Java, Scala, or Python.About the AuthorAlexander Dean developed Snowplow, an open source event processing and analytics platform. Valentin Crettaz is an independent IT consultant with 25 years of experience.Table of ContentsPART 1 - EVENT STREAMS AND UNIFIED LOGSIntroducing event streamsThe unified log 24Event stream processing with Apache KafkaEvent stream processing with Amazon KinesisStateful stream processingPART 2- DATA ENGINEERING WITH STREAMSSchemasArchiving eventsRailway-oriented processingCommandsPART 3 - EVENT ANALYTICSAnalytics-on-readAnalytics-on-write

Key Features: * Loaded with fun, hands-on exercises* Takes readers from beginners to being productive with Go* Written by a Go contributor* Covers code management and automated testing AUDIENCEThis book assumes readers are familiar with a high-level scriptinglanguage such as Python, Ruby, or JavaScript.

Developing applications in a reactive style ensures that the experienceis always responsive. Akka.NET is a framework for buildingdistributed, message-driven applications which are able to stayresponsive for the user even in the face of failure or when faced withmore users. It makes it easy for .NET developers to write applicationswhich are able to react to changes in their environment.Reactive Applications with Akka.NET begins with an overview ofreactive and a sample application written in the reactive style. Readerswill learn concepts of the actor model and what these mean in a realworldreactive context. This hands-on book builds on fundamentalconcepts that teach how to create reliable and resilient applications. Italso teaches useful Akka.NET features for building real-worldapplications. By the end of the book, readers will be able to look at aproblem domain and understand how to create applications which areable to withstand modern demands. Key features:• Hands-on examples that build on fundamental concepts• Building real-world applications with Akka.NET• Designing an Internet of Things architecture with reactive inmind• How to create applications that can withstand modern demands AUDIENCEReaders should be comfortable with C# or F# and the .NET framework. Noprevious reactive experience needed. ABOUT THE TECHNOLOGYDeveloping applications in a reactive style ensures that the experience isalways responsive. Akka.NET is a framework for building distributed,message-driven applications which are able to stay responsive for the usereven in the face of failure or when faced with more users.

SummaryDeep Learning with R introduces the world of deep learning using the powerful Keras library and its R language interface. The book builds your understanding of deep learning through intuitive explanations and practical examples. Continue your journey into the world of deep learning with Deep Learning with R in Motion, a practical, hands-on video course available exclusively at Manning.com (www.manning.com/livevideo/deep-​learning-with-r-in-motion).Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyMachine learning has made remarkable progress in recent years. Deep-learning systems now enable previously impossible smart applications, revolutionizing image recognition and natural-language processing, and identifying complex patterns in data. The Keras deep-learning library provides data scientists and developers working in R a state-of-the-art toolset for tackling deep-learning tasks.About the BookDeep Learning with R introduces the world of deep learning using the powerful Keras library and its R language interface. Initially written for Python as Deep Learning with Python by Keras creator and Google AI researcher François Chollet and adapted for R by RStudio founder J. J. Allaire, this book builds your understanding of deep learning through intuitive explanations and practical examples. You''ll practice your new skills with R-based applications in computer vision, natural-language processing, and generative models.What''s InsideDeep learning from first principlesSetting up your own deep-learning environmentImage classification and generationDeep learning for text and sequencesAbout the ReaderYou''ll need intermediate R programming skills. No previous experience with machine learning or deep learning is assumed.About the AuthorsFrançois Chollet is a deep-learning researcher at Google and the author of the Keras library.J.J. Allaire is the founder of RStudio and the author of the R interfaces to TensorFlow and Keras.Table of ContentsPART 1 - FUNDAMENTALS OF DEEP LEARNINGWhat is deep learning?Before we begin: the mathematical building blocks of neural networksGetting started with neural networksFundamentals of machine learningPART 2 - DEEP LEARNING IN PRACTICEDeep learning for computer visionDeep learning for text and sequencesAdvanced deep-learning best practicesGenerative deep learningConclusions

Key features * Angular CLI * TypeScript programming * Dependency Injection * Creating a modern-looking UI with Angular Material * Reactive programming Audience Written for intermediate web developers. No prior TypeScript or AngularJS experience is required.

Key features * Use channels for real-time communication * Learn database interactions with Ecto * Hands-on examples * Step-by-step instructions * Jargon-free Audience Written for web developers familiar with a framework like Rails or ASP.NET. No experience of Elixir or Phoenix required.

SummaryServerless Applications with Node.js walks you through building serverless apps on AWS using JavaScript. Inside, you''ll discover what Claudia.js brings to the table as you build and deploy a scalable event-based serverless application, based around a pizzeria that''s fully integrated with AWS services, including Lambda and API Gateway. Each chapter is filled with exercises, examples, tips, and more to make sure you''re ready to bring what you''ve learned into your own work.Foreword by Gojko Adzic.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyThe benefits of cloud-hosted serverless web apps are undeniable: lower complexity, quicker time to market, and easier scalability than traditional, server-dependent designs. And thanks to JavaScript support in AWS Lambda and powerful new serverless API tools like the Claudia.js library, you can build and deploy serverless apps end to end without learning a new language.About the BookServerless Applications with Node.js teaches you to design and build serverless web apps on AWS using JavaScript, Node, and Claudia.js. You''ll master the basics of writing AWS Lambda functions, along with core serverless patterns like API Gateway. Along the way, you''ll practice your new skills by building a working chatbot and a voice assistant with Amazon Alexa. You''ll also discover techniques for migrating existing apps to a serverless platform.What''s insideAuthentication and database storageAsynchronous functionsInteresting real-world examplesDeveloping serverless microservicesAbout the ReaderFor web developers comfortable with JavaScript and Node.js.About the AuthorSlobodan Stojanović and Aleksandar Simović are AWS Serverless Heroes and core contributors to the Claudia.js project. They are also coauthors of Desole, an open source serverless errortracking tool, and the lead developers of Claudia Bot Builder.Table of ContentsPART 1 - Serverless pizzeriaIntroduction to serverless with ClaudiaBuilding your first serverless APIAsynchronous work is easy, we Promise()Pizza delivery: Connecting an external serviceHouston, we have a problem!Level up your APIWorking with filesPART 2 - Let''s talkWhen pizza is one message away: ChatbotsTyping... Async and delayed responsesJarvis, I mean Alexa, order me a pizzaPaying for pizzaMigrating to serverlessReal-world case studiesappendix A - Installation and configurationappendix B - Facebook Messenger, Twilio, and Alexa configurationappendix C - Stripe and MongoDB setupappendix D - The pizza recipe

Key features * Add View and ViewModel interactivity * Work with components * Extend Vue.js with custom plugins and directives * Learn data modeling and consuming APIs Audience Written for web developers with beginning to intermediate in JavaScript, HTML, and CSS.

As a developer, you need to build software in a secure way. But you can''t spend all your time focusing on security. The answer is to use good design principles, tools, and mindsets that make security an implicit result - it''s secure by design. Secure by Design teaches developers how to use design to drive security in software development. This book is full of patterns, best practices, and mindsets that you can directly apply to your real world development. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.

Key features * Install and run React Native * Implement React Native components and APIs * Request and send data over the network * Store and retrieve data locally * Test React Native code Audience This book is for beginner to intermediate web, JavaScript, or iOS (Swift/Objective C) developers.

Key Features• Crystal-clear introduction to PowerShell• Extensive coverage of v3, v4, and v5 features• Includes many popular usage scenarios• Rich in interesting examples that spark the imagination• The definitive book on PowerShell AUDIENCEWritten for developers and administrators with intermediate level scriptingknowledge. No prior experience with PowerShell is required.