Playground for DirectX 11 / 12 simple graphics demo examples ...
These examples are "one single-file" programs that show the simplest possible way to program DirectX 11 and 12 without caring about production quality code ... The idea is that these examples can be used as a starting point in graphics demo competitions. The size of the exes is kept low.
Useful References:
http://www.codeproject.com/Articles/15156/Tiny-C-Runtime-Library