Don't Repeat Yourself3:35 with Alena Holligan
The DRY Principle is one of the tenets or key concepts of programing. DRY (D-R-Y) stands for Don't Repeat Yourself. If you see yourself repeating code in the same place, for example, writing the same string over and over again, it's a good sign you can improve your programming using DRY programming techniques.
Changing Video Speed
In the bottom right of the video you can change the speed: speedometer icon, when you scroll over it has a slider like the volume.
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