Writing
So You Think You Know C#? Generics Under the Hood
.NET generics retain runtime type arguments. Typed lists avoid boxing value-type elements, while CLR specialization and code sharing preserve distinct types.
Topic
Reflection
Inspecting types and members at runtime and invoking capabilities that are not fixed in the calling code. In .NET, reflection also supports generating executable methods through Reflection.Emit.
2 pages
Writing
C# Class Factory - High Performance
A Factory decouples payment processing from concrete classes, discovers implementations, and caches constructor delegates built with DynamicMethod and ILGenerator.