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2. Extreme programming - Wikipedia

   en.wikipedia.org/wiki/Extreme_programming

   Extreme programming (XP) is a software development methodology intended to improve software quality and responsiveness to changing customer requirements. As a type of agile software development, [1] [2] [3] it advocates frequent releases in short development cycles, intended to improve productivity and introduce checkpoints at which new customer requirements can be adopted.

3. Class-responsibility-collaboration card - Wikipedia

   en.wikipedia.org/wiki/Class-responsibility...

   Class-responsibility-collaboration (CRC) cards are a brainstorming tool used in the design of object-oriented software. They were originally proposed by Ward Cunningham and Kent Beck as a teaching tool [1] but are also popular among expert designers [2] and recommended by extreme programming practitioners. [3]

4. Kent Beck - Wikipedia

   en.wikipedia.org/wiki/Kent_Beck

   Kent Beck speaking in 2001. Kent Beck (born 1961) is an American software engineer and the creator of extreme programming, [1] a software development methodology that eschews rigid formal specification for a collaborative and iterative design process.

5. Test-driven development - Wikipedia

   en.wikipedia.org/wiki/Test-driven_development

   Test-driven development (TDD) is a way of writing code that involves writing an automated unit-level test case that fails, then writing just enough code to make the test pass, then refactoring both the test code and the production code, then repeating with another new test case.

6. XGBoost - Wikipedia

   en.wikipedia.org/wiki/XGBoost

   Initialize model with a constant value: ^ () = ⁡ = (,). [further explanation needed] Note that this is the initialization of the model and therefore we set a constant value for all inputs. So even if in later iterations we use optimization to find new functions, in step 0 we have to find the value, equals for all inputs, that minimizes the ...

7. 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. His 1999 book Refactoring popularised the practice of code ...