Alistair Cockburn
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Alistair Cockburn
Alistair Cockburn ( ) is an American computer scientist, known as one of the initiators of the agile movement in software development. He cosigned (with 17 others) the Manifesto for Agile Software Development. Life and career Cockburn started studying the methods of object oriented (OO) software development for IBM. From 1994, he formed "Humans and Technology" in Salt Lake City. He obtained his degree in computer science at the Case Western Reserve University. In 2003 he received his PhD degree from the University of Oslo. Cockburn helped write the Manifesto for Agile Software Development in 2001, the agile PM Declaration of Interdependence in 2005, and co-founded the International Consortium for Agile in 2009 (with Ahmed Sidky and Ash Rofail). He is a principal expositor of the use case for documenting business processes and behavioral requirements for software, and inventor of the Cockburn Scale for categorizing software projects. The methodologies in the Crystal family ( ...
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Computer Programmer
A computer programmer, sometimes referred to as a software developer, a software engineer, a programmer or a coder, is a person who creates computer programs — often for larger computer software. A programmer is someone who writes/creates computer software or applications by providing a specific programming language to the computer. Most programmers have extensive computing and coding experience in many varieties of programming languages and platforms, such as Structured Query Language (SQL), Perl, Extensible Markup Language (XML), PHP, HTML, C, C++ and Java. A programmer's most often-used computer language (e.g., Assembly, C, C++, C#, JavaScript, Lisp, Python, Java, etc.) may be prefixed to the aforementioned terms. Some who work with web programming languages may also prefix their titles with ''web''. Terminology There is no industry-wide standard terminology, so "programmer" and "software engineer" might refer to the same role at different companies. Most typically ...
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Hexagonal Architecture (software)
The hexagonal architecture, or ports and adapters architecture, is an architectural pattern used in software design. It aims at creating loosely coupled application components that can be easily connected to their software environment by means of ports and adapters. This makes components exchangeable at any level and facilitates test automation. Origin The hexagonal architecture was invented by Alistair Cockburn in an attempt to avoid known structural pitfalls in object-oriented software design, such as undesired dependencies between layers and contamination of user interface code with business logic, and published in 2005. The term "hexagonal" comes from the graphical conventions that shows the application component like a hexagonal cell. The purpose was not to suggest that there would be six borders/ports, but to leave enough space to represent the different interfaces needed between the component and the external world. Principle The hexagonal architecture divides a syst ...
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University Of Oslo Alumni
A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, the designation is reserved for colleges that have a graduate school. The word ''university'' is derived from the Latin ''universitas magistrorum et scholarium'', which roughly means "community of teachers and scholars". The first universities were created in Europe by Catholic Church monks. The University of Bologna (''Università di Bologna''), founded in 1088, is the first university in the sense of: *Being a high degree-awarding institute. *Having independence from the ecclesiastic schools, although conducted by both clergy and non-clergy. *Using the word ''universitas'' (which was coined at its foundation). *Issuing secular and non-secular degrees: grammar, rhetoric, logic, theology, canon law, notarial law.Hunt Janin: "The university ...
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Case Western Reserve University Alumni
Case or CASE may refer to: Containers * Case (goods), a package of related merchandise * Cartridge case or casing, a firearm cartridge component * Bookcase, a piece of furniture used to store books * Briefcase or attaché case, a narrow box to carry paperwork * Computer case, the enclosure for a PC's main components * Keep case, DVD or CD packaging * Pencil case * Phone case, protective or vanity accessory for mobile phones ** Battery case * Road case or flight case, for fragile equipment in transit * Shipping container or packing case * Suitcase, a large luggage box * Type case, a compartmentalized wooden box for letterpress typesetting Places * Case, Laclede County, Missouri * Case, Warren County, Missouri * Case River, a Kabika tributary in Ontario, Canada * Case Township, Michigan * Case del Conte, Italy People * Case (name), people with the surname (or given name) * Case (singer), American R&B singer-songwriter and producer (Case Woodard) Arts, entertainment, and med ...
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1953 Births
Events January * January 6 – The Asian Socialist Conference opens in Rangoon, Burma. * January 12 – Estonian émigrés found a government-in-exile in Oslo. * January 14 ** Marshal Josip Broz Tito is chosen President of Yugoslavia. ** The CIA-sponsored Robertson Panel first meets to discuss the UFO phenomenon. * January 15 – Georg Dertinger, foreign minister of East Germany, is arrested for spying. * January 19 – 71.1% of all television sets in the United States are tuned into ''I Love Lucy'', to watch Lucy give birth to Little Ricky, which is more people than those who tune into Dwight Eisenhower's inauguration the next day. This record has yet to be broken. * January 20 – Dwight D. Eisenhower is sworn in as the 34th President of the United States. * January 24 ** Mau Mau Uprising: Rebels in Kenya kill the Ruck family (father, mother, and six-year-old son). ** Leader of East Germany Walter Ulbricht announces that agriculture will be col ...
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Cockburn Family
Cockburn may refer to: People *Cockburn (surname), a surname of Scottish origin Places Australia *City of Cockburn, Local Government Area of Western Australia, named after Admiral Sir George Cockburn *Electoral district of Cockburn, seat in the Western Australian parliament *Cockburn, South Australia, a locality on the NSW-SA state border *Cockburn River, tributary of the Namoi River, NSW *Cockburn Central, Western Australia, in the southern suburbs of Perth Canada *Cockburn Island (Ontario), a island in Lake Huron * Cape Cockburn (Nunavut), a cape at the southern end of Bathurst Island in Nunavut * Cockburn River (Nunavut), a river in north-central Baffin Island in Nunavut Caribbean * Cockburn Gardens, a district in the eastern part of Kingston, Jamaica *Cockburn Harbour, a settlement in the Turks and Caicos Islands *Cockburn Town, the capital city of the Turks and Caicos Islands *Cockburn Town, Bahamas on San Salvador Island in the Bahamas, named after Sir Francis Cock ...
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American Technology Writers
American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, people who self-identify their ancestry as "American" ** American English, the set of varieties of the English language native to the United States ** Native Americans in the United States, indigenous peoples of the United States * American, something of, from, or related to the Americas, also known as "America" ** Indigenous peoples of the Americas * American (word), for analysis and history of the meanings in various contexts Organizations * American Airlines, U.S.-based airline headquartered in Fort Worth, Texas * American Athletic Conference, an American college athletic conference * American Recordings (record label), a record label previously known as Def American * American University, in Washington, D.C. Sports teams Soccer * B ...
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American Computer Programmers
American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, people who self-identify their ancestry as "American" ** American English, the set of varieties of the English language native to the United States ** Native Americans in the United States, indigenous peoples of the United States * American, something of, from, or related to the Americas, also known as "America" ** Indigenous peoples of the Americas * American (word), for analysis and history of the meanings in various contexts Organizations * American Airlines, U.S.-based airline headquartered in Fort Worth, Texas * American Athletic Conference, an American college athletic conference * American Recordings (record label), a record label previously known as Def American * American University, in Washington, D.C. Sports teams Soccer * B ...
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Living People
Related categories * :Year of birth missing (living people) / :Year of birth unknown * :Date of birth missing (living people) / :Date of birth unknown * :Place of birth missing (living people) / :Place of birth unknown * :Year of death missing / :Year of death unknown * :Date of death missing / :Date of death unknown * :Place of death missing / :Place of death unknown * :Missing middle or first names See also * :Dead people * :Template:L, which generates this category or death years, and birth year and sort keys. : {{DEFAULTSORT:Living people 21st-century people People by status ...
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Lightweight Methodology
A lightweight methodology is a software development method that has only a few rules and practices, or only ones that are easy to follow. In contrast, a complex method with many rules is considered a "heavyweight methodology". Examples of lightweight methodologies include: * Adaptive Software Development by Jim Highsmith, described in his 1999 book ''Adaptive Software Development'' * Crystal Clear family of methodologies with Alistair Cockburn, * Extreme Programming (XP), promoted by people such as Kent Beck and Martin Fowler * Feature Driven Development (FDD) developed (1999) by Jeff De Luca and Peter Coad * ICONIX ICONIX is a software development methodology which predates both the Rational Unified Process (RUP), Extreme Programming (XP) and Agile software development. Like RUP, the ICONIX process is UML Use Case driven but more lightweight than RUP. ICONI ... process, developed by Doug Rosenberg: An UML Use Case driven approach that purports to provide just enough documen ...
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Agile Software Development
In software development, agile (sometimes written Agile) practices include requirements discovery and solutions improvement through the collaborative effort of self-organizing and cross-functional teams with their customer(s)/ end user(s), adaptive planning, evolutionary development, early delivery, continual improvement, and flexible responses to changes in requirements, capacity, and understanding of the problems to be solved. Popularized in the 2001 ''Manifesto for Agile Software Development'', these values and principles were derived from and underpin a broad range of software development frameworks, including Scrum and Kanban. While there is much anecdotal evidence that adopting agile practices and values improves the effectiveness of software professionals, teams and organizations, the empirical evidence is mixed and hard to find. History Iterative and incremental software development methods can be traced back as early as 1957, Gerald M. Weinberg, as quoted in " ...
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Cockburn Scale
The Cockburn Scale, also known as the Project Classification Scale, is a method of describing how much formal process a software project requires. The scale was described in Alistair Cockburn Alistair Cockburn ( ) is an American computer scientist, known as one of the initiators of the agile movement in software development. He cosigned (with 17 others) the Manifesto for Agile Software Development. Life and career Cockburn starte ...'s book ''Agile Software Development''. According to the author, the scale can be applied to other types of project, not only those that employ Agile methodologies. Definition The Cockburn Scale categorizes projects according to "criticality" and "size". Process criticality is defined as the worst probable effect of an unremedied defect: * Loss of Life (L) * Loss of Essential Money (E) * Loss of Discretionary Money (D) * Loss of Comfort (C) Process size is defined as the size of the project's development staff. It is an open-ended scale, but ...
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