When you have a question about how to use C# 5.0 or the .NET CLR, this highly acclaimed bestseller has precisely the answers you need. Uniquely organized around concepts and use cases, this fifth edition include in-depth cover of concurrency and asynchrony new to C# 5.0 as well as continued coverage of parallel programming, code contracts, dynamic programming, security and COM interoperability. You'll also find updated information on language enhancements such as Caller Info Attributes, ReadOnlyDictionary, Web Sockets, and the new HttpClient class. This handy book has all you need to stay on track with C# 5.0. Get up to speed on C# language basics, including syntax, types, and variables Explore advanced topics such as unsafe code and preprocessor directives Learn C# 5.0 features such as concurrency and asynchrony Work with .NET 4.5's rich set of features for parallel programming, code contracts, and the code security model Understand .NET topics, including XML, collections, I/O and networking, memory management, reflection, attributes, security, and native interoperability

Joseph Albahari is author of C# 3.0 in a Nutshell, LINQ Pocket Reference, and C# 3.0 Pocket Reference. He has been developing large-scale enterprise applications on .NET and other platforms for more than 15 years, and is author of http://www.linqpad.net/ LINQPad - the popular utility for querying databases in LINQ. Joseph is currently a freelance consultant. http://www.albahari.com/ Joseph's Home Page Ben Albahari is the founder of http://www.takeonit.com/ Take On It. He was a Program Manager at Microsoft for 5 years, where he worked on several projects, including the .NET Compact Framework and ADO.NET. He was the cofounder of Genamics, a provider of tools for C# and J++ programmers, as well as software for DNA and protein sequence analysis. He is a co-author of C# Essentials, the first C# book from O'Reilly, and of previous editions of C# in a Nutshell.