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In early implementations of multi-window operating systems such as OS/2 and Windows, the terms "publish-subscribe pattern" and "event-driven software development" were used as synonyms for the observer pattern. [5] The observer pattern, as described in the Design Patterns book, is a very basic concept and does not address removing interest in ...
I have shared the following UML diagrams I have published on Design Patterns Open Online Learning. Your comments are welcomed. A sample UML class and sequence diagram for the Observer design pattern. In the above UML class diagram, the Subject class doesn't update the state of Observer1 and Observer2 directly.
Phenomenology within sociology, or phenomenological sociology, examines the concept of social reality (German: Lebenswelt or "Lifeworld") as a product of intersubjectivity. Phenomenology analyses social reality in order to explain the formation and nature of social institutions. [ 1 ]
A design pattern is the re-usable form of a solution to a design problem. The idea was introduced by the architect Christopher Alexander [ 1 ] and has been adapted for various other disciplines, particularly software engineering .
The "etic" approach, on the other hand, is an outsider's perspective, which looks at a culture from the perspective of an outside observer or researcher. This approach tends to focus on the observable behaviors and practices of a culture, and aims to understand them in terms of their functional or evolutionary significance.
Sometimes called network explorations, research sociometry is concerned with relational patterns in small (individual and small group) and larger populations, such as organizations and neighborhoods. Applied sociometrists utilize a range of methods to assist people and groups review, expand and develop their existing psycho-social networks of ...
A sociological theory is a supposition that intends to consider, analyze, and/or explain objects of social reality from a sociological perspective, [1]: 14 drawing connections between individual concepts in order to organize and substantiate sociological knowledge.
Role theory is a concept in sociology and in social psychology that considers most of everyday activity to be the acting-out of socially defined categories (e.g., mother, manager, teacher). Each role is a set of rights, duties, expectations, norms, and behaviors that a person has to face and fulfill. [ 1 ]