Tuesday 10 July 2007

Glossary

Following are the key-words used extensivly in Agile world; you must be aware.

SCRUM
http://en.wikipedia.org/wiki/Scrum_%28development%29
Scrum is an iterative, incremental process for developing any product or managing any work. It produces a potentially shippable set of functionality at the end of every iteration. Scrum is a set of interrelated practices and rules that optimize the development environment, reduce organizational overhead, and closely synchronize market requirements with iterative prototypes. Based in modern process control theory, Scrum causes the best possible software to be constructed given the available resources, acceptable quality, and required release dates. Useful product functionality is delivered every thirty days as requirements, architecture, and design emerge, even when using unstable technologies.

Pair programming
Pair programming requires two programmers to participate in a combined development effort at one workstation. Each member performs the action the other is not currently doing: While one types in unit tests the other thinks about the class that will satisfy the test, for example.
The person who is doing the typing is known as the driver while the person who is guiding is known as the navigator. It is often suggested for the two partners to switch roles at least every half-hour or after a unit test is made. It is also suggested to switch partners at least once a day.

Test-Driven Development (TDD)
http://en.wikipedia.org/wiki/Test_driven_development
Test-Driven Development (TDD) is a software development technique that involves repeatedly first writing a test case and then implementing only the code necessary to pass the test. Test-driven development gives rapid feedback. The technique began to receive publicity in the early 2000s as an aspect of Extreme Programming, but more recently is creating more general interest in its own right.
Practitioners emphasize that test-driven development is a method of designing software, not merely a method of testing.
Along with other techniques, the concept can also be applied to the improvement and removal of software defects from legacy code that was not developed in this way.

Feature Driven Development
http://en.wikipedia.org/wiki/Feature_Driven_Development
Feature Driven Development (FDD) is an iterative and incremental software development process. It is one of a number of Agile methods for developing software and forms part of the Agile Alliance. FDD blends a number of industry-recognized best practices into a cohesive whole. These practices are all driven from a client-valued functionality (feature) perspective. Its main purpose is to deliver tangible, working software repeatedly in a timely manner.

Aspect-oriented programming
http://en.wikipedia.org/wiki/Aspect_Oriented_Programming
In software engineering, the programming paradigms of aspect-oriented programming (AOP), and aspect-oriented software development (AOSD) attempt to aid programmers in the separation of concerns, specifically cross-cutting concerns, as an advance in modularization. AOP does so using primarily language changes, while AOSD uses a combination of language, environment, and method.
Separation of concerns entails breaking down a program into distinct parts that overlap in functionality as little as possible. All programming methodologies—including procedural programming and object-oriented programming—support some separation and encapsulation of concerns (or any area of interest or focus) into single entities. For example, procedures, packages, classes, and methods all help programmers encapsulate concerns into single entities. But some concerns defy these forms of encapsulation. Software engineers call these crosscutting concerns, because they cut across many modules in a program.

Adaptive Software Development
http://en.wikipedia.org/wiki/Adaptive_Software_Development
Adaptive Software Development is a software development process that grew out of rapid application development work by Jim Highsmith and Sam Bayer. ASD embodies the principle that continuous adaptation of the process to the work at hand is the normal state of affairs.
ASD replaces the traditional waterfall cycle with a repeating series of speculate, collaborate, and learn cycles. This dynamic cycle provides for continuous learning and adaptation to the emergent state of the project. The characteristics of an ASD life cycle are that it is mission focused, feature based, iterative, timeboxed, risk driven, and change tolerant.

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Thomas said...

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