June 24, 2009 in Learn
Should you go Beyond Relational Databases?
Relational databases, such as MySQL, PostgreSQL and various commercial products, have served us well for many years. Lately, however, there has been a lot of discussion on whether the relational model is reaching the end of its life-span, and what…
May 7, 2006 in Learn
The Foundations of Ruby Arrays
An array is a list of items in order (like vitamins, minerals, and chocolates). Those keeping score at home might be interested to know that the Rails website framework makes 771 calls to Array.each, 558 calls to Array.map, and 1,521…