Mike Woodring's .NET Sample Page
While searching for a particular code sample, I found back Mike Woodrings great .NET sample page. This web page contains many very technical code samples which are very useful one day or another.
This page should be in your bookmarks and you should mine the samples if you're a geek. I won't go into the details of what you'll find there, go see by yourself! You can start with a look at the AssemblySettings class for example which is the counterpart of AppSettings but per assembly.