Use a Symfony Listener to export any route to PDF with no additional controller code.
How to make sure your base entity's unique constraints are handled how you would expect.
Dealing with dependency absence in child class constructors.
Despite being my least preferred method of injection, I discover a tangible reason for its use.
Configure your bundle default values in YAML instead of PHP, just like how you override them in your applications.
Eager loading on nullable joined columns may cause unexpected behavior while editing entities with Symfony2 forms.