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Async in C# 5.0 - Helion

Async in C# 5.0
Autor: Alex Davies
ISBN: 9781449337124
stron: 108, Format: ebook
Data wydania: 2012-09-07
Księgarnia: Helion

Cena książki: 33,92 zł (poprzednio: 39,44 zł)
Oszczędzasz: 14% (-5,52 zł)

Dodaj do koszyka Async in C# 5.0

If you’re writing one of several applications that call for asynchronous programming, this concise hands-on guide shows you how the async feature in C# 5.0 can make the process much simpler. Along with a clear introduction to asynchronous programming, you get an in-depth look at how the async feature works and why you might want to use it in your application.

Written for experienced C# programmers—yet approachable for beginners—this book is packed with code examples that you can extend for your own projects.

  • Write your own asynchronous code, and learn how async saves you from this messy chore
  • Discover new performance possibilities in ASP.NET web server code
  • Explore how async and WinRT work together in Windows 8 applications
  • Learn the importance of the await keyword in async methods
  • Understand which .NET thread is running your code—and at what points in the program
  • Use the Task-based Asynchronous Pattern (TAP) to write asynchronous APIs in .NET
  • Take advantage of parallel computing in modern machines
  • Measure async code performance by comparing it with alternatives

Dodaj do koszyka Async in C# 5.0

Spis treści

Async in C# 5.0. Unleash the Power of Async eBook -- spis treści

  • Async in C# 5.0
  • SPECIAL OFFER: Upgrade this ebook with OReilly
  • Preface
    • Intended Audience
    • How to Read This Book
    • Conventions Used in This Book
    • Using Code Examples
    • Safari Books Online
    • How to Contact Us
    • Acknowledgments
  • 1. Introduction
    • Asynchronous Programming
    • Whats So Great About Asynchronous Code?
    • What Is Async?
    • What Async Does
    • Async Doesnt Solve Everything
  • 2. Why Programs Need to Be Asynchronous
    • Desktop User Interface Applications
      • An Analogy: The Cafe
    • Web Application Server Code
      • Another Analogy: The Restaurant Kitchen
    • Silverlight, Windows Phone, and Windows 8
    • Parallel Code
    • An Example
  • 3. Writing Asynchronous Code Manually
    • Some Asynchronous Patterns Used in .NET
    • The Simplest Asynchronous Pattern
    • An Introduction to Task
    • The Problem with Manual Asynchrony
    • Converting the Example to Use Manual Asynchronous Code
  • 4. Writing Async Methods
    • Converting the Favicon Example to Async
    • Task and await
    • Async Method Return Types
    • Async, Method Signatures, and Interfaces
    • The return Statement in Async Methods
    • Async Methods Are Contagious
    • Async Anonymous Delegates and Lambdas
  • 5. What await Actually Does
    • Hibernating and Resuming a Method
    • The State of the Method
    • Context
    • Where await Cant Be Used
      • catch and finally Blocks
      • lock Blocks
      • LINQ Query Expressions
      • Unsafe Code
    • Exception Capture
    • Async Methods Are Synchronous Until Needed
  • 6. The Task-Based Asynchronous Pattern
    • What the TAP Specifies
    • Using Task for Compute-Intensive Operations
    • Creating a Puppet Task
    • Interacting with Old Asynchronous Patterns
    • Cold and Hot Tasks
    • Up-Front Work
  • 7. Utilities for Async Code
    • Delaying for a Period of Time
    • Waiting for a Collection of Tasks
    • Waiting for Any One Task from a Collection
    • Creating Your Own Combinators
    • Cancelling Asynchronous Operations
    • Returning Progress During an Asynchronous Operation
  • 8. Which Thread Runs My Code?
    • Before the First await
    • During the Asynchronous Operation
    • SynchronizationContext in Detail
    • await and SynchronizationContext
    • The Lifecycle of an Async Operation
    • Choosing Not to Use SynchronizationContext
    • Interacting with Synchronous Code
  • 9. Exceptions in Async Code
    • Exceptions in Async Task-Returning Methods
    • Unobserved Exceptions
    • Exceptions in Async void Methods
    • Fire and Forget
    • AggregateException and WhenAll
    • Throwing Exceptions Synchronously
    • finally in Async Methods
  • 10. Parallelism Using Async
    • await and locks
    • Actors
    • Using Actors in C#
    • Task Parallel Library Dataflow
  • 11. Unit Testing Async Code
    • The Problem with Unit Testing in Async
    • Writing Working Async Tests Manually
    • Using Unit Test Framework Support
  • 12. Async in ASP.NET Applications
    • Advantages of Asynchronous Web Server Code
    • Using Async in ASP.NET MVC 4
    • Using Async in Older Versions of ASP.NET MVC
    • Using Async in ASP.NET Web Forms
  • 13. Async in WinRT Applications
    • What Is WinRT?
    • IAsyncAction and IAsyncOperation<T>
    • Cancellation
    • Progress
    • Providing Asynchronous Methods in a WinRT Component
  • 14. The Async Compiler Transformin Depth
    • The stub Method
    • The State Machine Struct
    • The MoveNext Method
      • Your Code
      • Transforming Returns to Completions
      • Get to the Right Place in the Method
      • Pausing the Method for the await
      • Resuming after the Await
      • Completing Synchronously
      • Catching Exceptions
      • More Complicated Code
    • Writing Custom Awaitable Types
    • Interacting with the Debugger
  • 15. The Performance of Async Code
    • Measuring Async Overhead
    • Async Versus Blocking for a Long-Running Operation
    • Optimizing Async Code for a Long-Running Operation
    • Async Versus Manual Asynchronous Code
    • Async Versus Blocking Without a Long-Running Operation
    • Optimizing Async Code Without a Long-Running Operation
    • Async Performance Summary
  • About the Author
  • SPECIAL OFFER: Upgrade this ebook with OReilly
  • Copyright

Dodaj do koszyka Async in C# 5.0

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