One of the things I've been trying to do is look for…
“One of the things I've been trying to do is look for simpler or rules underpinning good or bad design. I think one of the most valuable rules is avoid duplication. "Once and only once" is the Extreme Programming phrase.”
About This Quote
This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.
Simplify design by eliminating duplicate code; each piece should exist only once to improve maintainability.
In simple terms: Avoid duplicate code for cleaner design.
Key Takeaway
Apply "once and only once" rule.
Themes
software design
maintainability
simplicity
Mood
analytical
practical
Type
principle
advice
When to use this quote
- code reviews
- refactoring sessions
- architecture planning
- team guidelines
Key Concepts
code duplication
extensibility
Questions to Reflect On
- Where is duplication acceptable?
- How to detect hidden duplication?
A Different Perspective
Complex systems may have unavoidable repetitions.