Software engineering
Refactoring
Improving the internal structure of existing code while preserving its observable behavior.
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A growing collection of useful ideas, named.
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Research & reasoning
Signal and noise
The useful information relevant to a question, considered against distracting or irrelevant variation.
Software engineering
Technical debt
Design or implementation choices that make future changes more costly, like interest on a debt.
Operations & workflows
Throughput
The amount of work a system completes in a given period of time.
Product & design
User control and freedom
Giving people clear ways to leave unwanted states and reverse actions when they change their minds.
Product & design
Visibility of system status
Keeping people informed about what a system is doing through timely, understandable feedback.