Scala in Action

Author: Nilanjan Raychaudhuri
Publisher: Simon and Schuster
ISBN: 1638352410
Category : Computers
Languages : en
Pages : 594

Book Description
Summary Scala in Action is a comprehensive tutorial that introduces Scala through clear explanations and numerous hands-on examples. Because Scala is a rich and deep language, it can be daunting to absorb all the new concepts at once. This book takes a "how-to" approach, explaining language concepts as you explore familiar programming challenges that you face in your day-to-day work. About the Technology Scala runs on the JVM and combines object-orientation with functional programming. It's designed to produce succinct, type-safe code, which is crucial for enterprise applications. Scala implements Actor-based concurrency through the amazing Akka framework, so you can avoid Java's messy threading while interacting seamlessly with Java. About this Book Scala in Action is a comprehensive tutorial that introduces the language through clear explanations and numerous hands-on examples. It takes a "how to" approach, explaining language concepts as you explore familiar programming tasks. You'll tackle concurrent programming in Akka, learn to work with Scala and Spring, and learn how to build DSLs and other productivity tools. You'll learn both the language and how to use it. Experience with Java is helpful but not required. Ruby and Python programmers will also find this book accessible. What's Inside A Scala tutorial How to use Java and Scala open source libraries How to use SBT Test-driven development Debugging Updated for Scala 2.10 Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the Author Nilanjan Raychaudhuri is a skilled developer, speaker, and an avid polyglot programmer who works with Scala on production systems. Table of Contents PART 1 SCALA: THE BASICS Why Scala? Getting started OOP in Scala Having fun with functional data structures Functional programming PART 2 WORKING WITH SCALA Building web applications in functional style Connecting to a database Building scalable and extensible components Concurrency programming in Scala Building confidence with testing PART 3 ADVANCED STEPS Interoperability between Scala and Java Scalable and distributed applications using Akka

Programming Scala

Author: Dean Wampler
Publisher: "O'Reilly Media, Inc."
ISBN: 1491950153
Category : Computers
Languages : en
Pages : 498

Book Description
Get up to speed on Scala, the JVM language that offers all the benefits of a modern object model, functional programming, and an advanced type system. Packed with code examples, this comprehensive book shows you how to be productive with the language and ecosystem right away, and explains why Scala is ideal for today's highly scalable, data-centric applications that support concurrency and distribution. This second edition covers recent language features, with new chapters on pattern matching, comprehensions, and advanced functional programming. You’ll also learn about Scala’s command-line tools, third-party tools, libraries, and language-aware plugins for editors and IDEs. This book is ideal for beginning and advanced Scala developers alike. Program faster with Scala’s succinct and flexible syntax Dive into basic and advanced functional programming (FP) techniques Build killer big-data apps, using Scala’s functional combinators Use traits for mixin composition and pattern matching for data extraction Learn the sophisticated type system that combines FP and object-oriented programming concepts Explore Scala-specific concurrency tools, including Akka Understand how to develop rich domain-specific languages Learn good design techniques for building scalable and robust Scala applications

sbt in Action

Author: Josh Suereth
Publisher: Manning Publications
ISBN: 9781617291272
Category : Computers
Languages : en
Pages : 280

Book Description
Summary A tutorial about effectively building Scala projects, sbt in Action introduces the sbt tool with a simple project that establishes the fundamentals of running commands and tasks. Next, it shows you how to use the peripheral libraries in sbt to make common tasks simpler. Finally, it covers how to deploy software effectively. You'll learn to appreciate how sbt improves the process of developing software, not just running builds. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the Technology sbt is a build tool native to Scala that can transform any build scenario into a streamlined, automated, and repeatable process. Its interactive shell lets you customize your builds on the fly, and with sbt's unique incremental compilation feature, you can update only the parts of your project that change, without having to rebuild everything. Mastering sbt, along with the right patterns and best practices, is guaranteed to save you time and trouble on every project. About the Book sbt in Action, first and foremost, teaches you how to build Scala projects effectively. It introduces the sbt tool with a simple project that establishes the fundamentals of running commands and tasks. Next, it shows you how to use the peripheral libraries in sbt to make common tasks simpler. Along the way, you'll work through real projects that demonstrate how to build and deploy your projects regardless of development methodology or process. What's Inside Master sbt's loosely coupled libraries Effectively manage dependencies Automate and simplify your builds Customize builds and tasks About the Reader Readers should be comfortable reading Scala code. No experience with sbt required. About the Authors Josh Suereth is an engineer at Typesafe and the author of Manning's Scala in Depth. Matthew Farwell is a senior developer and the author of the Scalastyle style checker.Table of Contents PART 1 WHY SBT? Why sbt? Getting started PART 2 UNDERSTANDING SBT'S CORE CONCEPTS Core concepts The default build PART 3 WORKING WITH SBT Testing The IO and Process libraries Accepting user input Using plugins and external libraries Debugging your build PART 4 EXTENDING SBT Automating workflows with commands Defining a plugin PART 5 DEPLOYING YOUR PROJECTS Distributing your projects

Introducing Play Framework

Author: Prem Kumar Karunakaran
Publisher: Apress
ISBN: 148425645X
Category : Computers
Languages : en
Pages : 201

Book Description
Enter the world of rapid web application development. This gentle introduction to Play covers all you need to know: it carefully introduces the background concepts before diving into examples, making learning Play 2 enjoyable (it includes the latest Play framework version 2.8). Introducing Play Framework is crisp, up-to-the-point, and full of valuable information. You will find chapters covering the basics of Play, the sbt build system, the Ebean ORM, web services using Play, production deployment, cache, and more with actual pragmatic code snippets for common tasks. After reading and using this book, you'll be able to build and deploy Java-based web applications with the Play framework. What You Will Learn Use the Play framework to do rapid Java-based web application development Work with Play controllers and Play views Create web services using JSON and XML Persist data and access databases Use Play modules Carry out asynch programming Cache, deploy, and work with code snippets in Play Who This Book Is For Those with at least some prior experience with Java.

Hands-on Scala Programming: Learn Scala in a Practical, Project-Based Way

Author: Haoyi Li
Publisher:
ISBN: 9789811456930
Category : Computers
Languages : en
Pages : 414

Book Description
Hands-on Scala teaches you how to use the Scala programming language in a practical, project-based fashion. This book is designed to quickly teach an existing programmer everything needed to go from "hello world" to building production applications like interactive websites, parallel web crawlers, and distributed systems in Scala. In the process you will learn how to use the Scala language to solve challenging problems in an elegant and intuitive manner.

Akka in Action

Author: Raymond Roestenburg
Publisher: Simon and Schuster
ISBN: 1638352933
Category : Computers
Languages : en
Pages : 681

Book Description
Summary Akka in Action is a comprehensive tutorial on building message-oriented systems using Akka. The book takes a hands-on approach, where each new concept is followed by an example that shows you how it works, how to implement the code, and how to (unit) test it. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the Technology Akka makes it relatively easy to build applications in the cloud or on devices with many cores that efficiently use the full capacity of the computing power available. It's a toolkit that provides an actor programming model, a runtime, and required support tools for building scalable applications. About the Book Akka in Action shows you how to build message-oriented systems with Akka. This comprehensive, hands-on tutorial introduces each concept with a working example. You'll start with the big picture of how Akka works, and then quickly build and deploy a fully functional REST service out of actors. You'll explore test-driven development and deploying and scaling fault-tolerant systems. After mastering the basics, you'll discover how to model immutable messages, implement domain models, and apply techniques like event sourcing and CQRS. You'l also find a tutorial on building streaming applications using akka-stream and akka-http. Finally, you'l get practical advice on how to customize and extend your Akka system. What's Inside Getting concurrency right Testing and performance tuning Clustered and cloud-based applications Covers Akka version 2.4 About the Reader This book assumes that you're comfortable with Java and Scala. No prior experience with Akka required. About the Authors A software craftsman and architect, Raymond Roestenburg is an Akka committer. Rob Bakker specializes in concurrent back-end systems and systems integration. Rob Williams has more than 20 years of product development experience. Table of Contents Introducing Akka Up and running Test-driven development with actors Fault tolerance Futures Your first distributed Akka app Configuration, logging, and deployment Structural patterns for actors Routing messages Message channels Finite-state machines and agents System integration Streaming Clustering Actor persistence Performance tips Looking ahead

Lift in Action

Author: Tim Perrett
Publisher: Simon and Schuster
ISBN: 1638352984
Category : Computers
Languages : en
Pages : 618

Book Description
Summary Lift in Action is a step-by-step exploration of the Lift framework. It moves through the subject quickly using carefully crafted, well-explained examples that make you comfortable from the start. This book is written for developers who are new to both Scala and Lift. About the Technology Lift is a Scala-based web framework designed for extremely interactive and engaging web applications. It's highly scalable, production-ready, and will run in any servlet container. And Lift's convention-over-configuration approach lets you avoid needless work. About this Book Lift in Action is a step-by-step exploration of the Lift framework. It moves through the subject quickly using carefully crafted, well-explained examples that make you comfortable from the start. You'll follow an entertaining Travel Auction application that covers the core concepts and shows up architectural and development strategies. Handy appendixes offer a Scala crash course and guidance for setting up a good coding environment. This book is written for developers who are new to both Scala and Lift and covers just enough Scala to get you started. Purchase of the print book comes with an offer of a free PDF, ePub, and Kindle eBook from Manning. Also available is all code from the book. What's Inside Complete coverage of the Lift framework Security, maintainability, and performance Integration and scaling Covers Lift 2.x Table of Contents PART 1 GETTING STARTED Introducing Lift Hello Lift PART 2 APPLICATION TUTORIAL The auction application Customers, auctions, and bidding Shopping basket and checkout PART 3 LIFT IN DETAIL Common tasks with Lift WebKit SiteMap and access control HTTP in Lift AJAX, wiring, and Comet Persistence with Mapper Persistence with Record

sbt in Action

Author: Josh Suereth
Publisher: Simon and Schuster
ISBN: 1638353123
Category : Computers
Languages : en
Pages : 381

Hands-On Data Analysis with Scala

Author: Rajesh Gupta
Publisher: Packt Publishing Ltd
ISBN: 1789344263
Category : Computers
Languages : en
Pages : 288

Book Description
Master scala's advanced techniques to solve real-world problems in data analysis and gain valuable insights from your data Key FeaturesA beginner's guide for performing data analysis loaded with numerous rich, practical examplesAccess to popular Scala libraries such as Breeze, Saddle for efficient data manipulation and exploratory analysisDevelop applications in Scala for real-time analysis and machine learning in Apache SparkBook Description Efficient business decisions with an accurate sense of business data helps in delivering better performance across products and services. This book helps you to leverage the popular Scala libraries and tools for performing core data analysis tasks with ease. The book begins with a quick overview of the building blocks of a standard data analysis process. You will learn to perform basic tasks like Extraction, Staging, Validation, Cleaning, and Shaping of datasets. You will later deep dive into the data exploration and visualization areas of the data analysis life cycle. You will make use of popular Scala libraries like Saddle, Breeze, Vegas, and PredictionIO for processing your datasets. You will learn statistical methods for deriving meaningful insights from data. You will also learn to create applications for Apache Spark 2.x on complex data analysis, in real-time. You will discover traditional machine learning techniques for doing data analysis. Furthermore, you will also be introduced to neural networks and deep learning from a data analysis standpoint. By the end of this book, you will be capable of handling large sets of structured and unstructured data, perform exploratory analysis, and building efficient Scala applications for discovering and delivering insights What you will learnTechniques to determine the validity and confidence level of dataApply quartiles and n-tiles to datasets to see how data is distributed into many bucketsCreate data pipelines that combine multiple data lifecycle stepsUse built-in features to gain a deeper understanding of the dataApply Lasso regression analysis method to your dataCompare Apache Spark API with traditional Apache Spark data analysisWho this book is for If you are a data scientist or a data analyst who wants to learn how to perform data analysis using Scala, this book is for you. All you need is knowledge of the basic fundamentals of Scala programming.

Scala Reactive Programming

Author: Rambabu Posa
Publisher: Packt Publishing Ltd
ISBN: 1787282872
Category : Computers
Languages : en
Pages : 540

Book Description
Build fault-tolerant, robust, and distributed applications in Scala Key Features - Understand and use the concepts of reactive programming to build distributed systems running on multiple nodes. - Learn how reactive architecture reduces complexity throughout the development process. - Get to grips with functional reactive programming and Reactive Microservices. Book Description Reactive programming is a scalable, fast way to build applications, and one that helps us write code that is concise, clear, and readable. It can be used for many purposes such as GUIs, robotics, music, and others, and is central to many concurrent systems. This book will be your guide to getting started with Reactive programming in Scala. You will begin with the fundamental concepts of Reactive programming and gradually move on to working with asynchronous data streams. You will then start building an application using Akka Actors and extend it using the Play framework. You will also learn about reactive stream specifications, event sourcing techniques, and different methods to integrate Akka Streams into the Play Framework. This book will also take you one step forward by showing you the advantages of the Lagom framework while working with reactive microservices. You will also learn to scale applications using multi-node clusters and test, secure, and deploy your microservices to the cloud. By the end of the book, you will have gained the knowledge to build robust and distributed systems with Scala and Akka. What you will learn Understand the fundamental principles of Reactive and Functional programming Develop applications utilizing features of the Akka framework Explore techniques to integrate Scala, Akka, and Play together Learn about Reactive Streams with real-time use cases Develop Reactive Web Applications with Play, Scala, Akka, and Akka Streams Develop and deploy Reactive microservices using the Lagom framework and ConductR Who this book is for This book is for Scala developers who would like to build fault-tolerant, scalable distributed systems. No knowledge of Reactive programming is required.