Ruby on Rails
ActiveRecordAssociations

(The relationship between computers and users is actually a bad example. Computers belong to and have many users.)
—That depends entirely on circumstance. It’s perfectly reasonable for a computer to only have one user as in the example above.

(Also, “religious” is inconsistently spelled.)

About the first example
Why the filename is under thumbnails and not under pictures?
Shouldn’t this relation be “trasparent” lie in a big virtual table?

I’d like to access to the field “title” with thumb.title and not with thumb.picture.title, is it possible in some way? Tnx

Answer: def title; picture.title; end