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2. Code refactoring - Wikipedia

   en.wikipedia.org/wiki/Code_refactoring

   Refactoring is usually motivated by noticing a code smell. [2] For example, the method at hand may be very long, or it may be a near duplicate of another nearby method. Once recognized, such problems can be addressed by refactoring the source code, or transforming it into a new form that behaves the same as before but that no longer "smells".

3. Decomposition (computer science) - Wikipedia

   en.wikipedia.org/wiki/Decomposition_(computer...

   Structured analysis breaks down a software system from the system context level to system functions and data entities as described by Tom DeMarco. [1] Object-oriented decomposition breaks a large system down into progressively smaller classes or objects that are responsible for part of the problem domain.

4. Extract class - Wikipedia

   en.wikipedia.org/wiki/Extract_Class

   In software engineering, the Extract Class refactoring is applied when a class becomes overweight with too many methods and its purpose becomes unclear. Extract Class refactoring involves creating a new class and moving methods and/or data to the new class.

5. Database refactoring - Wikipedia

   en.wikipedia.org/wiki/Database_refactoring

   A database refactoring is a simple change to a database schema that improves its design while retaining both its behavioral and informational semantics. Database refactoring does not change the way data is interpreted or used and does not fix bugs or add new functionality. Every refactoring to a database leaves the system in a working state ...

6. Rule of three (computer programming) - Wikipedia

   en.wikipedia.org/wiki/Rule_of_three_(computer...

   It states that two instances of similar code do not require refactoring, but when similar code is used three times, it should be extracted into a new procedure. The rule was popularised by Martin Fowler in Refactoring [1] and attributed to Don Roberts. Duplication is considered a bad practice in programming because it makes the code harder to ...

7. Software design pattern - Wikipedia

   en.wikipedia.org/wiki/Software_design_pattern

   In software engineering, a software design pattern or design pattern is a general, reusable solution to a commonly occurring problem in many contexts in software design. [1] A design pattern is not a rigid structure to be transplanted directly into source code.

8. Martin Fowler (software engineer) - Wikipedia

   en.wikipedia.org/wiki/Martin_Fowler_(software...

   Martin Fowler (18 December 1963) is a British software developer, [2] author and international public speaker on software development, specialising in object-oriented analysis and design, UML, patterns, and agile software development methodologies, including extreme programming.

9. AntiPatterns - Wikipedia

   en.wikipedia.org/wiki/AntiPatterns

   AntiPatterns: Refactoring Software, Architectures, and Projects in Crisis [1] is a book about anti-patterns: specific repeated practices in software architecture, software design and software project management that initially appear to be beneficial, but ultimately result in bad consequences that outweigh hoped-for advantages.