Designer, implementor, user, writer A Fragment by Donald Knuth dl.acm.org Thus, I came to the conclusion that the designer of a new system must not only be the implementor and the first large-scale user; the designer should also write the first user manual. The separation of any of these four components would have hurt TeX significantly. If I had not participated fully in all these activities, literally hundreds of improvements would never have been made, because I would never have thought of them or perceived why they were important. Eating your own dog food making
Right-Angle Doodling Machine A Game by Clive Thompson openprocessing.org You draw one single line. It can be as long as you like. To start the line, you put your pen down. You can make right-angle turns only, either 90 degrees or -90 degrees. You cannot back up. You must always move forward. You don’t lift your pen until you’re ready to stop. When you lift the pen, the doodle is done. drawingcodegames