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.NET 4 brings a powerful Task library to support a piece of code to run in parallel processors. What it does just simply spawns threads into multiple processes using the newly written task libraries (System.Threading.Tasks) in mscorlib 4.0. Task libraries contain methods like For, ForEach and Invok

Extensive article on threading in C#. Covers such topics as Thread Pooling, safe use of Abort, when and how to use Synchronization Contexts, Wait Handles vs Wait and Pulse, Threading vs System Timers, implications of Memory Barriers and volatility, uses for Local Storage, subclassing BackgroundWorker. Free.

The first step to building reliable systems is to accept that it is impossible. Instead, we will attempt to build a more reliable system from a collection of smaller unreliable components. The idea is to manage failure rather than pursue an impossible perfection. Find out how.

After building a simple cloud-hosted voice-input system and a chat-bot named Feliza to respond to user input in the first two parts of this series, Ted Neward takes his project a bit further by combining the two systems, showing how the host, Tropo, offers voice/SMS access over HTTP/REST-like channels.

What you should to do to create your own Silverlight Voice/Video chatting system.

Web developers switching to Windows 8 development with JavaScript need to update their views on security. With the tools available in Windows 8, you can transform JavaScript security from a facade to a multifaceted defense system that protects both your data and your users.

You already know that GPS is used extensively in a wide variety of mobile devices in order to track delivery and service vehicles—or any other mobile fleet. This kind of application is not as difficult as you may at first think. Find out how to use Visual Studio to create a GPS tracking app, with maps, that runs on Windows Mobile Pocket PC devices.

MicroTimer: A microsecond and millisecond timer in C# that is used in a similar way to the .NET System.Timers.Timer

MailMergeLib is a SMTP mail client library. It makes use of .NET System.Net.Mail and provides comfortable mail merge capabilities. MailMergeLib corrects a number of the most annoying bugs and RFC violations that .NET 2.0 to .NET 4.0 suffer from.

ASP.NET version 2.0 includes a wide array of Web controls not found in previous versions. One such control is the TreeView, which is ideal for displaying hierarchical data. The TreeView control can be bound to a hierarchical data source such as the XmlDataSource or SiteMapDataSource, or can be constructed programmatically.

One common source of hierarchical data is the web server's file system. In many scenarios, there may be a folder that contains subfolders and files that the user needs to be able to browse. Using the classes in the System.IO namespace, we can programmatically populate the TreeView with the directory structure of our website. Then, when the user clicks a folder, the selected folder's files can be displayed.

In this article we will examine how to create a simple image gallery web page that's a breeze to maintain. The image gallery lacks the bells and whistles found in more complex and feature-rich image galleries, but this one is a cinch to deploy and maintain. We'll be using two Web controls: a TreeView to list the folders and subfolders in which the images reside; and a DataList control that lists each image in the selected folder..