I’ll be home for Christmas To fix your old PC. Please have Coke and Mountain Dew And pizza there for me. Christmas Eve will find me In Windows Update screens, I’ll be done by New Year’s If only in my dreams. I’ll be home for Christmas Installing Google Chrome, Removing malware, cruft, and crud, And…
What is a program? Is it the source code that a programmer typed? The physical state of the machine on which it is run? Or something more abstract, like the data structures it creates? This is not a purely philosophical question: it has consequences for how programming languages are designed, how development tools work, and…