BDuelz questions

• MVC... how and why, and what other good options are there (PHP)?
• Does storing aggregated data go against database normalization?
• What type of information should be saved in a Cookie (PHP)
• How/When to design an interface? [closed]
• How to only show the first x characters of a post as a preview (PHP)?
• Multi-Tier in PHP..the right way?
• How to union across multiple tables in SQLAlchemy?
• Is there an easy way to find the runtime environment in Pyramid
• Unit Testing Dababase Applications
• How to organize your Controllers to get the best structure (MVC)

BDuelz answers