If you do not have a recent local, disk-based backup, your computer is like a ticking Time bomb. You are only one disk failure, one crazy software, or one "oops" away from losing EVERYTHING! Drives do not last forever. It is not a question of IF it will fail, only WHEN it will...
Java: new Date(new Date().getTime() - 20 * 60 * 1000) Ruby: 20.minutes.ago In this example, the elegance is a combination of how Ruby works, and a Rails library calledActiveSupportthat is a Domain Specific Language that extends Ruby. There's a special satisfaction when you...