"Perl Design Patterns Book" is an online textbook about
External links
* [http://www.perldesignpatterns.com/?PerlDesignPatterns Perl Design Patterns] (
* [http://savannah.nongnu.org/projects/perlpatbook/ Perl Design Patterns Book] in Savannah
Wikimedia Foundation. 2010.
Top-down and bottom-up design — Top down and bottom up are strategies of information processing and knowledge ordering, mostly involving software, but also other humanistic and scientific theories (see systemics). In practice, they can be seen as a style of thinking and… … Wikipedia
Composite pattern — In software engineering, the composite pattern is a partitioning design pattern. The composite pattern describes that a group of objects are to be treated in the same way as a single instance of an object. The intent of a composite is to compose… … Wikipedia
Антипаттерн — Возможно, эта статья содержит оригинальное исследование. Добавьте ссылки на источники, в противном случае она может быть выставлена на удаление. Дополнительные сведения могут быть на странице обсуждения. (25 мая 2011) … Википедия
Action at a distance (computer science) — Action at a distance is an anti pattern (a recognized common error) in which behavior in one part of a program varies wildly based on difficult or impossible to identify operations in another part of the program.The way to avoid the problems… … Wikipedia
Extensibility pattern — In computer programming, the extensibility pattern is a design pattern that provides a framework for straightforward addition of functionality to a system at a later date.Extensibility is often desired when an application must be able to support… … Wikipedia
Immutable object — Immutable and Immutability redirect here. For the Christian doctrine, see Immutability (theology). In object oriented and functional programming, an immutable object is an object whose state cannot be modified after it is created.[1] This is in… … Wikipedia
Negative cache — Not to be confused with Cache miss. In computer programming, negative cache is a cache that also stores negative responses, i.e. failures. This means that a program remembers the result indicating a failure even after the cause has been corrected … Wikipedia
Top-down y Bottom-up — son estrategias de procesamiento de información características de las ciencias de la información, especialmente en lo relativo al software. Por extensión se aplican también a otras ciencias sociales y exactas. En el modelo Top down se formula un … Wikipedia Español
Observer pattern — The observer pattern (a subset of the publish/subscribe pattern) is a software design pattern in which an object, called the subject, maintains a list of its dependents, called observers, and notifies them automatically of any state changes,… … Wikipedia
Callback (computer science) — In computer programming, a callback is executable code that is passed as an argument to other code. It allows a lower level software layer to call a subroutine (or function) defined in a higher level layer. Usually, the higher level code starts… … Wikipedia
