“Refactoring (noun) : a change made to the internal structure of software to make it easier to understand and cheaper to modify without changing the observable behavior of the software.
To refactor (verb) : to restructure software by applying a series of refactorings without changing the observable behavior of the software.”

— Martin Fowler

Source: Refactoring: Improving the Design of Existing Code, 1999, p. 33-43 as cited in: Militiadis Lytras, Patricia Ordóñez de Pablos, Ernesto Damiani (2011) Semantic Web Personalization and Context Awareness. p. 111

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Martin Fowler 18

British programmer 1963

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“Refactoring (noun) : a change made to the internal structure of software to make it easier to understand and cheaper to modify without changing the observable behavior of the software.
To refactor (verb) : to restructure software by applying a series of refactorings without changing the observable behavior of the software.”

Kent Beck (1961) software engineer

Source: Refactoring: Improving the Design of Existing Code, 1999, p. 33-43 as cited in: Militiadis Lytras, Patricia Ordóñez de Pablos, Ernesto Damiani (2011) Semantic Web Personalization and Context Awareness. p. 111

“Refactoring is a disciplined technique for restructuring an existing body of code, altering its internal structure without changing its external behavior. Its heart is a series of small behavior preserving transformations. Each transformation (called a 'refactoring') does little, but a sequence of transformations can produce a significant restructuring. Since each refactoring is small, it's less likely to go wrong. The system is also kept fully working after each small refactoring, reducing the chances that a system can get seriously broken during the restructuring.”

Martin Fowler (1963) British programmer

Martin Fowler at refactoring.com as cited in: Lawrence Bernstein, C. M. Yuhas (2005) Trustworthy Systems Through Quantitative Software Engineering. p. 266

“The hardware of a computer is useless without the right software. Similarly, in an organization the hardware (strategy and structure) is inert without the software (beliefs and behaviors).”

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“Economic principles underlie the overall structure of the software lifecycle, and its primary refinements of prototyping, incremental development, and advancemanship. The primary economic driver of the life-cycle structure is the significantly increasing cost of making a software change or fixing a software problem, as a function of the phase in which the change or fix is made.”

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“Software Engineering Economics is an invaluable guide to determining software costs, applying the fundamental concepts of microeconomics to software engineering, and utilizing economic analysis in software engineering decision making.”

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“If you want to do something that's going to change the world, build software that people want to use instead of software that managers want to buy.”

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“While the machines have changed enormously, the business of software development has been rather static.”

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