In .NET framework 4.5 you can write asynchronous file IO operations much easier using the Async methods that are provided along with the IO base class libraries. Read this article to explore more about it.
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Introduction to Portable Class Library in .NET Framework 4.5
If you are developer working on applications targeting multiple platforms you might have to create duplicates of underlying class libraries targeting the specific platforms, even if they contain the same functionality, logics or algorithms. In .NET framework 4.5 RC, the Portable Class Library has been introduced to solve exactly that problem.
Thread Synchronization Using Reset Events in .NET Framework
Reset events are the wait handles that help synchronize threads in the middle of some asynchronous threading operations where multiple threads are executing simultaneously. V.N.S Arun examines this often confusing .NET framework topic.
Unobtrusive jQuery Validation Using MVC3 and Razor
Sharpen your form validation skills using unobtrusive validation in MVC3 and Razor.
Creating and Using a jQuery Plug-in in ASP.NET Web Forms
Create a custom plug-in to reuse your jQuery code across web pages.
Top 6 Ways to Improve Your .NET Framework Code
Laura Kihlken demonstrates a few tips that can help you improve your .NET Framework code.
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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.
.NET Framework: Collections and Generics
The original release of the .NET Framework included collections as .NET was introduced to the Microsoft programming world. The .NET Framework 2.0 introduced generics to complement the System.Collections namespace and provide a more efficient and well performing option. Read on to learn more...

How to Determine Which Office Version is Installed with VB.NET and C#
Knowing which version of MS Office is installed on the client computer is vital; unfortunately, many programmers see this as an afterthought. Hannes du Preeze shows you four different ways to determine the Office versions installed so that you don't make this mistake.

Building an Azure Queuing Message Pipeline
A developer building messaging solutions with Azure Queuing and Azure Service Bus should follow a Pipeline pattern when processing a significant number of different messages. One approach to building a Pipeline is to layer a message following an Envelope pattern.