Project Euler : Not really coding examples. But a great website and concept.
Solvengineer - Mihai Pruna's Website
- A collection of open source Codes for various purposes including CFD. Also includes a Forum and an interesting Tech Blog.
Free CFD Codes- Hiroaki Nishikawa's website.
- Very interesting coding examples in CFD. Codes in Fortran and MATLAB
- Excellent source for very instructive and useful programs and material on Aerodynamics and aircraft design
- Online software for Design, Engineering, Finance, Education purposes and includes the formulae being used for each application !