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C# 6 and .NET Core 1.0

C# 6 and .NET Core 1.0

3.8 (11)
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C# 6 and .NET Core 1.0

C# 6 and .NET Core 1.0

3.8 (11)

Overview of this book

With the release of .NET Core 1.0, you can now create applications for Mac OS X and Linux, as well as Windows, using the development tools you know and love. C# 6 and .NET Core 1.0 has been divided into three high-impact sections to help start putting these new features to work. First, we'll run you through the basics of C#, as well as object-orient programming, before taking a quick tour through the latest features of C# 6 such as string interpolation for easier variable value output, exception filtering, and how to perform static class imports. We'll also cover both the full-feature, mature .NET Framework and the new, cross-platform .NET Core. After quickly taking you through C# and how .NET works, we'll dive into the internals of the .NET class libraries, covering topics such as performance, monitoring, debugging, internationalization, serialization, and encryption. We'll look at Entity Framework Core 1.0 and how to develop Code-First entity data models, as well as how to use LINQ to query and manipulate that data. The final section will demonstrate the major types of applications that you can build and deploy cross-device and cross-platform. In this section, we'll cover Universal Windows Platform (UWP) apps, web applications, and web services. Lastly, we'll help you build a complete application that can be hosted on all of today's most popular platforms, including Linux and Docker. By the end of the book, you'll be armed with all the knowledge you need to build modern, cross-platform applications using C# and .NET Core.
Table of Contents (20 chapters)
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19
Index

Synchronizing access to shared resources

When you have multiple threads executing at the same time, there is a possibility that two or more threads may access the same variable or other resource at the same time and cause a problem.

For this reason, you should carefully consider how to make your code "thread safe".

The simplest mechanism for implementing thread safety is to use an object variable as a "flag" or "traffic light" to indicate when a shared resource has an exclusive lock applied.

Tip

In William Golding's Lord of the Flies, Piggy and Ralph spot a conch shell and use it to call a meeting. The boys impose a "rule of the conch" on themselves, deciding that no one can speak unless he's holding the conch. I like to name the object variable I use the "conch". When a thread has the conch, no other thread can access the shared resource(s) represented by that conch.

Accessing a resource from multiple threads

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