Ruby and RoR knowledge base

Title	Link	Owner	Age
Defensive Programming via Validating Decorators	yegor256.com	Alexander M	4 years
Measure elapsed time the right way		Alexander M	5 years
Dynamically extended helper module in presenter class		Alexander M	6 years
Form Objects and Transactions (multiple models)		Alexander M	6 years
Decorating ActiveRecord		Alexander M	6 years
Chain of Responsibility Pattern		Alexander M	6 years
Command Pattern		Alexander M	6 years
Tear-off methods in Ruby		Alexander M	6 years
Primitive obsession		Alexander M	6 years
Reusable Object-Oriented Systems		Alexander M	6 years
Policy Objects		Alexander M	7 years
Value Object		Alexander M	7 years
Singleton Class		Alexander M	7 years
Array Function		Alexander M	7 years
Whole Value (Value Object)		Alexander M	7 years
Form Object from Railscasts	railscasts.com	Alexander M	7 years
Playing with JSON	driftingruby.com	Alexander M	7 years
Essentials Of Cache Expiration In Rails		Alexander M	7 years
Support OR in Active Record		Alexander M	7 years
ArrayInquirer provides friendlier way to check contents in an array		Alexander M	7 years
Presenter from Railscasts		Alexander M	7 years
Know Ruby: with_index		Alexander M	7 years
Transactional fixtures renamed to transactional tests		Alexander M	7 years
A hidden field on collection radio buttons		Alexander M	7 years