The singleton pattern can be used in a wide variety of situations. This tip will show you how to create a thread-safe version of a singleton.
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Working With Asynchronous .NET Web Service Clients
Having trouble using the asynchronous call mechanisms built into .NET? Let Kenn Scribner clarify it for you and make your programming tasks (at least as related to asynchronous processing) a little easier.
Create a 3D Cube Structure for GDI+
Three-dimensional primitive shapes are conspicuously absent from the .NET Framework and GDI+, but that didn't stop Paul Kimmel from implementing a 3D cube primitive. Read all about his results.
Threading Out Tasks in a C#.NET GUI
Make a task that happens in a GUI spawn-off and runs in a seperate thread so that the GUI doesn't effectively "die" when a long-running task is executing.
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MFC Integration with the Windows Transactional File System (TxF)
The Transactional File System (TxF), which allows access to an NTFS file system to be conducted in a transacted manner through extensions to the Windows SDK API. MFC 10, has been extended to support TxF and related technologies. This support allows existing MFC applications to be easily extended to support kernel transactions.

Command Line Junkie
While porting a C# applications to something other than Windows used to be hard, today command line tools can make it super easy!

Handling Exceptions in Visual Basic
Hannes du Preez shows you how to handle exceptions properly in Visual Basic.

Working with State Machines in the .NET Framework
Arun Karthick introduces you to the state machine model and shows you how to create a simple working state machine sample using the .NET framework in the C# language.