Design / Methodology / Testing
- Back to Basics: Explore the Edge Cases or Date Math Will Get You (Scott Hanselman) – Link of the Day
 - When Designing a Software Masterpiece, Make the First Release in Pencil (Jeffrey Palermo)
 
Silverlight / WPF
- Single Instance WPF Application in .NET 3.x (Chris Pietschmann)
 - Silverlight Toolkit WrapPanel (Jesse Liberty)
 - Reading and Displaying RSS Feed in a Silverlight DataGrid (Suprotim Agarwal)
 
Web Development
- Client-Side Scripting 101 Part 1: The Reasons (Jay Kimble)
 - Extension Methods and a Plea for Mixins (Jimmy Bogard)
 - The Year of jQuery UI (Karl Swedberg)
 
SharePoint
- Best Practices SharePoint Conference – My Sessions and More (Woody Windischman)
 
PowerShell
- A Module to Create Modules and Advanced Functions (Jeffrey Snover)
 - Get-Verb and How and Why to Use Splatting (Passing [switch] Parameters) and How to Write a Console Application in PowerShell with Add-Type (James Brundage)
 
More Link Collections
- Summary Online – Silverlight Tips of the Day (Mike Snow)
 - Silverlight Cream for January 02, 2009 — #474 (Dave Campbell)
 - Interesting Finds: January 3, 2009 (Jason Haley)
 
Book of the Day
Analysis Patterns: Reusable Object Models (Addison-Wesley Object Technology Series): Martin Fowler: Books