Sorted:

Can a dynamic method in C# 4 be used to return a different data type with each call?-Collection of common programming errors

at runtime, how can I tell if I'm on WinXP+? win32-Collection of common programming errors

Input and load application files in a program-Collection of common programming errors

How can I specify T4 (Text Templates) to use C# 4.0, in VS2010?-Collection of common programming errors

Should I try to reuse Ruby code in a Java project?-Collection of common programming errors

problem about istream-Collection of common programming errors

problem about cfstring-Collection of common programming errors

Easy c++ question regarding valarray-Collection of common programming errors

UI freezing problem in c# 2.0-Collection of common programming errors

Is this a spurious warning when using LINQ to SQL?-Collection of common programming errors