~ At this point, there are only two kinds of companies: Those who know their data has been hacked and those who don’t know it yet
~The more I learn, the less I know.
~By continuously improving the design of code, we make it easier and easier to work with. This is in sharp contrast to what typically happens: little refactoring and a great deal of attention paid to expediently adding new features. If you get into the hygienic habit of refactoring continuously, you'll find that it is easier to extend and maintain code. —Joshua Kerievsky, Refactoring to Patterns
~ SQL specifies two different syntactical ways to express joins: "explicit join notation" and "implicit join notation". Although "implicit join notation" was deprecated in 1992, and its use is not considered a best practice, database systems still support it.