The state pattern is a behavioral software design pattern that allows an object to alter its behavior when its internal state changes. This pattern is...

object to its previous state (rollback) Null object pattern Designed to act as a default value of an object Observer pattern Defines a one-to-many dependency...

design pattern or design pattern is a general, reusable solution to a commonly occurring problem in many contexts in software design. A design pattern is...

In software design and software engineering, the observer pattern is a software design pattern in which an object, called the subject (also known as event...

The memento pattern is a software design pattern that exposes the private internal state of an object. One example of how this can be used is to restore...

In object-oriented programming, the singleton pattern is a software design pattern that restricts the instantiation of a class to a singular instance....

State pattern, in computer science, a behavioral design pattern Medical state, one's current state of health, usually within a hospital Mental state State...

The balking pattern is a software design pattern that only executes an action on an object when the object is in a particular state. For example, if an...

states". Examining patterns within states reveals that the reversal of the two parties' geographic bases has happened at the state level, but it is more...

bridge. The English pattern of French-suited cards is so widespread that it is also known as the International or Anglo-American pattern. Playing cards arrived...

The Universal Camouflage Pattern (UCP) is a digital camouflage pattern formerly used by the United States Army in their Army Combat Uniform. Laboratory...

In telecommunications, an eye pattern, also known as an eye diagram, is an oscilloscope display in which a digital signal from a receiver is repetitively...

In software engineering, the multiton pattern is a design pattern which generalizes the singleton pattern. Whereas the singleton allows only one instance...

Pattern recognition is the task of assigning a class to an observation based on patterns extracted from data. While similar, pattern recognition (PR) is...

engineering, the adapter pattern is a software design pattern (also known as wrapper, an alternative naming shared with the decorator pattern) that allows the...

This is a list of military clothing camouflage patterns used for battledress. Military camouflage is the use of camouflage by armed forces to protect personnel...

the mediator pattern defines an object that encapsulates how a set of objects interact. This pattern is considered to be a behavioral pattern due to the...

computer programming, the strategy pattern (also known as the policy pattern) is a behavioral software design pattern that enables selecting an algorithm...

regarded as a special case of the State pattern and the Strategy pattern. It is not a pattern from Design Patterns, but is mentioned in Martin Fowler's...

pattern, Mediator pattern, Memento pattern, Observer pattern, State pattern, Strategy pattern, Template method pattern, Visitor pattern Both OOP and relational...

In object-oriented programming, the decorator pattern is a design pattern that allows behavior to be added to an individual object, dynamically, without...

describes how patterns in nature, such as stripes and spots, can arise naturally and autonomously from a homogeneous, uniform state. The pattern arises due...

Breaker is a design pattern commonly used in software development to improve system resilience and fault tolerance. Circuit breaker pattern can prevent cascading...

The ERDL pattern, also known as the Leaf pattern, is a camouflage pattern developed by the United States Army at its Engineer Research & Development Laboratories...

Operational Camouflage Pattern (OCP), originally codenamed Scorpion W2, is a military camouflage pattern adopted in 2015 by the United States Army for...

A visitor pattern is a software design pattern that separates the algorithm from the object structure. Because of this separation, new operations can be...

provided, which allow access to the framework's internal state. Typical users of this pattern are web-servers (as mentioned above), object- and message-oriented...

The Islamic State (IS), also known as the Islamic State of Iraq and the Levant (ISIL), the Islamic State of Iraq and Syria (ISIS) and Daesh, is a transnational...

Disruptive Pattern Material (DPM) is the commonly used name of a camouflage pattern used by the British Armed Forces as well as many other armed forces...

Pattern hair loss (also known as androgenetic alopecia (AGA)) is a hair loss condition that primarily affects the top and front of the scalp. In male-pattern...