A multi-user game web site cloud application or networked database can have thousands of users all interacting at the same time You need a powerful industrial-strength tool to handle the really hard problems inherent in parallel concurrent environments You need Erlang In this second edition of the bestselling Programming Erlang you'll learn how to write parallel programs that scale effortlessly on multicore systems Using Erlang you'll be surprised at how easy it becomes to deal with parallel problems & how much faster & more efficiently your programs run That's because Erlang uses sets of parallel processes-not a single sequential process as found in most programming languages Joe Armstrong creator of Erlang introduces this powerful language in small steps giving you a complete overview of Erlang & how to use it in common scenarios You'll start with sequential programming move to parallel programming & handling errors in parallel programs & learn to work confidently with distributed programming & the standard Erlang Open Telecom Platform (OTP) frameworks You need no previous knowledge of functional or parallel programming The chapters are packed with hands-on real-world tutorial examples & insider tips & advice & finish with exercises for both beginning & advanced users The second edition has been extensively rewritten New to this edition are seven chapters covering the latest Erlang features maps the type system & the Dialyzer Web Sockets programming idioms & a new st&-alone execution environment You'll write programs that dynamically detect & correct errors & that can be upgraded without stopping the system There's also coverage of rebar (the de facto Erlang build system) & information on how to share & use Erlang projects on github illustrated with examples from cowboy & bitcask Erlang will change your view of the world & of how you program ...

Haskell is a purely functional language that allows programmers to rapidly develop clear concise & correct software The language has grown in popularity in recent years both in teaching & in industry This book is based on the author's experience of teaching Haskell for more than twenty years All concepts are explained from first principles & no programming experience is required making this book accessible to a broad spectrum of readers While Part I focuses on basic concepts Part II introduces the reader to more advanced topics This new edition has been extensively updated & expanded to include recent & more advanced features of Haskell new examples & exercises selected solutions & freely downloadable lecture slides & example code The presentation is clean & simple while also being fully compliant with the latest version of the language including recent changes concerning applicative monadic foldable & traversable types ...

Prepare for Microsoft Exam 70-480-and help demonstrate your real-world mastery of programming with HTML5 Java Script & CSS3 Designed for experienced developers ready to advance their status Exam Ref focuses on the critical-thinking & decision-making acumen needed for success at the Microsoft Specialist level Focus on the expertise measured by these objectives Implement & manipulate document structures & objects Implement program flow Access & secure data Use CSS3 in applications This Microsoft Exam Ref Organizes its coverage by exam objectives Features strategic what-if scenarios to challenge you ...

If you're grounded in the basics of Swift Xcode & the Cocoa framework this book provides a structured explanation of all essential real-world i OS app components Through deep exploration & copious code examples you'll learn how to create views manipulate view controllers & add features from i OS frameworks 810 pages Neuberg Matt ...

Take advantage of Java Script's power to build robust web-scale or enterprise applications that are easy to extend & maintain By applying the design patterns outlined in this practical book experienced Java Script developers will learn how to write flexible & resilient code that's easier
- yes easier
- to work with as your code base grows Java Script may be the most essential web programming language but in the real world Java Script applications often break when you make changes With this book author Eric Elliott shows you how to add client- & server-side features to a large Java Script application without negatively affecting the rest of your code Examine the anatomy of a large-scale Java Script application Build modern web apps with the capabilities of desktop applications Learn best practices for code organization modularity & reuse Separate your application into different layers of responsibility Build efficient self-describing hypermedia APIs with Nodejs Test integrate & deploy software updates in rapid cycles Control resource access with user authentication & authorization Expand your application's reach through internationalization

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Don't accept the compromise between fast & beautiful you can have it all Phoenix creator Chris Mc Cord Elixir creator Jose Valim & award-winning author Bruce Tate walk you through building an application that's fast & reliable At every step you'll learn from the Phoenix creators not just what to do but why ...

Don't accept the compromise between fast & beautiful you can have it all Phoenix creator Chris Mc Cord Elixir creator Jose Valim & award-winning author Bruce Tate walk you through building an application that's fast & reliable At every step you'll learn from the Phoenix creators not just what to do but why Packed with insider insights this definitive guide will be your constant companion in your journey from Phoenix novice to expert as you build the next generation of web applications Phoenix is the long-awaited web framework based on Elixir the highly concurrent language that combines a beautiful syntax with rich metaprogramming The authors who developed the earliest production Phoenix applications will show you how to create code that's easier to write test understand & maintain The best way to learn Phoenix is to code & you'll get to attack some interesting problems Start working with controllers views & templates within the first few pages Build an in-memory repository & then back it with an Ecto database layer Learn to use change sets & constraints that keep readers informed & your database integrity intact Craft your own interactive application based on the channels API for the real-time high-performance applications that this ecosystem made famous Write your own authentication components called plugs & even learn to use the OTP layer for monitored reliable services Organize your code with umbrella projects so you can keep your applications modular & easy to maintain This is a book by developers & for developers & we know how to help you ramp up quickly Any book can tell you what to do When you've finished this one you'll also know why to do it What You Need To work through this book you will need a computer capable of running Erlang 17 or better Elixir 11 or better Phoenix 10 or better & Ecto 10 or better A rudimentary knowledge of Elixir is also highly recommended ...

Want to develop novel robot applications but don't know how to write a mapping or object recognition system? You're not alone but you're certainly not without help By combining real-world examples with valuable knowledge from the Robot Operating System (ROS) community this practical book provides motivating recipes for solving specific robotics use cases Ideal for enthusiasts from students in robotics clubs to professional robotics scientists & engineers each recipe describes a complete solution using ROS open source libraries & tools You'll learn how to complete tasks described in the recipes as well as how to configure & recombine components for other tasks If you're familiar with Python you're ready to go Learn fundamentals including key ROS concepts tools & patterns Program robots that perform an increasingly complex set of behaviors using the powerful packages in ROS See how to easily add perception & navigation abilities to your robots Integrate your own sensors actuators software libraries & even a whole robot into the ROS ecosystem Learn tips & tricks for using ROS tools & community resources debugging robot behavior & using C in ROS ...

Rust is a new systems programming language that combines the performance & low-level control of C & C with memory safety & thread safety Rust's modern flexible types ensure your program is free of null pointer dereferences double frees dangling pointers & similar bugs all at compile time without runtime overhead In multi-threaded code Rust catches data races at compile time making concurrency much easier to use Written by two experienced systems programmers this book explains how Rust manages to bridge the gap between performance & safety & how you can take advantage of it Topics include How Rust represents values in memory (with diagrams) Complete explanations of ownership moves borrows & lifetimes Cargo rustdoc unit tests & how to publish your code on cratesio Rust's public package repository High-level features like generic code closures collections & iterators that make Rust productive & flexible Concurrency in Rust threads mutexes channels & atomics all much safer to use than in C or C Unsafe code & how to preserve the integrity of ordinary code that uses it Extended examples illustrating how pieces of the language fit together ...

This is the only comprehensive authoritative guide to building Conversational User Interfaces (CUI aka bots chatbots or chatterbots) with the Microsoft Bot Framework Reflecting the next radical revolution in human-computer interaction it will help you leverage advanced artificial intelligence (AI) & natural language processing to empower new & existing applications with stunningly intuitive conversational interfaces Long-time Microsoft MVP Joe Mayo begins with high-level explanations of what Microsoft Bot Framework is what you can do with it & why it matters so much Next he presents the foundational knowledge you need to start creating real bots & CUIs Step by step you'll learn how to build message dialogs manage conversations interact with framework APIs & incorporate powerful natural language processing with Microsoft's advanced Language Understanding Intelligent Service (LUIS) Mayo also offers detailed guidance on deploying your customized bots to key platforms such as Slack Skype & Facebook Messenger Throughout Mayo's practical examples combine code with clear explanations of when & why you would perform each task From start to finish Programming the Microsoft Bot Framework is relentlessly practical helping you translate the advanced magic of intelligent bots into real solutions right now ...