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Portland Pattern Repository
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{{short description|American software design pattern repository}} {{Primary sources|date=September 2022}} {{Use dmy dates|date=May 2018}} {{Use American English|date=April 2024}} The '''Portland Pattern Repository''' ('''PPR''') is an online repository for [[computer programming]] [[software design pattern]]s. It was accompanied by the website [[WikiWikiWeb]], the world's first [[wiki]]. The repository has an emphasis on [[extreme programming]], and is hosted by Cunningham & Cunningham (C2) of [[Portland, Oregon]].<ref>{{cite web|title=Portland Pattern Repository|url=http://c2.com/ppr/.|website=c2.com|access-date=12 July 2017}}</ref> The PPR's [[motto]] is "People, Projects & Patterns".
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