Interface Segregation Principle
Dependency Injection Principle
Liskov Substitution Principle
It is possible to be happier There are choices that you can make to change your emotional set-point and have a happier life.
What’s So Great About Ruby (Justin Etheridge)
IDEO Designs For Birth The ideo designs-on project has posted a PDF with some amazing thoughts and visions on the ideas of birth.
Single Responsibility Principle
The Open Closed Principle
The Bookshelf Blog A little light storage inspiration.