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Paul Zirkle has five years of mobile game programming experience and is currently a Lead Mobile Programmer at Konami Digital Entertainment. He has worked on over 40 titles, including porting, re-writing and full development. Occasionally, Paul is called upon to give lectures on game development at the University of Southern California.

Judith Bishop is a computer scientist, in Pretoria South Africa, specializing in the application of programming languages to distributed systems and web-based technologies. She is internationally known as an advocate of new technology. Her books on Java and C# have been published in six languages. She represents South Africa on IFIP TC2…

Jesse Liberty is a senior program manager for Microsoft Silverlight where he is responsible for the creation of tutorials, videos and other content to facilitate the learning and use of Silverlight. Jesse is well known in the industry in part because of his many bestselling books, including O'Reilly Media's Programming .NET 3.5,…

M. David Peterson is a software development consultant who specializes in XML, XSLT, C#, the .NET platform, and functional programming languages such as Lisp and Scheme. His first line of code was written in 1983 on a Timex Sinclair 1000 bought by his father. Currently residing in Salt Lake City, UT, he is…

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" I can only WISH my college classes were as effective as O'Reilly's." -- David Hammond

.NET Programming Certificate — Beginning and intermediate programmers will get a solid foundation in .NET programming. The certificate series includes these three courses: Learn XML; Learn Object-Oriented Programming Using Java; and Learn C#. Enroll today!

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LinqPad Webcast

Writing LINQ Queries with LINQPad

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C# Answers

O'Reilly Answers: Clever Hacks. Creative Ideas. Innovative Solutions.

• How to quickly find the last match in a string in C#
• Is VB extinct as a language?
• How to replace all matches in a regular expression
• How to search line by line with a regular expression
• How to create regular expression objects

C# News & Commentary

Understanding C#: Using virtual and override

By Andrew Stellman
October 27, 2009

One of our Head First C# readers posted a question on the book's forum: I don't understanding why I need to add 'virtual' keyword and 'override' keyword to make Penguin Fly() override Bird Fly(). [page 226] I think public class...

Getting Java, C# and Perl to speak the same language (with JSON)

By Andrew Stellman
October 4, 2009

I've been thinking a lot about architecture lately. It's partially because Jenny and I are going to do our Beautiful Teams talk at the ITARC 2009 conference next week. But it's also because I've been writing a lot of code...

Introducting the ADO.NET Entity Framework

By Kathryn Barrett
February 14, 2009

Julia Lerman, the leading independent authority on Microsoft's Entity Framework, claims that this technology changes the game for .NET developers so that they no longer have to be concerned with the details of the data store as they write their applications. Now they can focus on the task of writing the applications, rather than accessing the date. The following is an excerpt from Programming Entity Framework, in which Julia introduces the technology and explains the concept of programming against a model, not against the database.

Live WebCast 1/8/2009 - SIlverlight and ADO.NET Data Services

By John Papa
January 7, 2009

This Thursday I will be joining the MSDN geekSpeak crew to do a live webcast discussing Silverlight and ADO.NET Data Services. Registration is free ...

Silverlight and ADO.NET Data Services

By John Papa
November 18, 2008

The ADO.NET Data Services client library for Silverlight makes calling RESTful services exposed by ADO.NET Data Services easy. It allows request sot be made as either URis over HTTP requests or LINQ queries from Silverlight.

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