CS 372 Spring 2016  >  Notes for February 19, 2016

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CS 372 Spring 2016
Notes
for February 19, 2016

The following is an outline of the February 19 lecture.

Clean Code (cont’d)

Clean Code Developer Initiative/School

• Begun 2009. Stephan Lieser & Ralph Westfall.
• Four Values
  • Evolvability: Build for change.
  • Correctness: Care for correctness.
  • Production Efficiency: Work efficiently.
  • Reflection: Rethink your actions.
• Five “Paths”: Red, Orange, Yellow, Green, Blue
• The Red Path: Understanding Practices
  • DRY
  • KISS
  • Avoid preliminary optimization.
    • Distrust your own cleverness.
  • Boy Scout Rule
  • Root Cause Analysis
    • Never do “programming by coincidence: understand why.
  • Use version control.
  • Simple refactorings.
    • Apply Extract Method and Rename liberally.
    • We will discuss refactoring later in the semester.
  • Reflection
    • Review your own achievements based on principles.
    • Partition work into tasks that can be finished in one day.
    • Take time to reflect.