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The term singleton describes those who live in a single-person household, especially those who prefer the lifestyle of living alone. [ 1 ] [ 2 ] It was popularized by the Bridget Jones novels and films, [ 3 ] [ 4 ] [ 5 ] but it is also used in sociology .
Implementations of the singleton pattern ensure that only one instance of the singleton class ever exists and typically provide global access to that instance. Typically, this is accomplished by: Declaring all constructors of the class to be private , which prevents it from being instantiated by other objects
According to Nick Bostrom, a singleton is an abstract concept that could be implemented in various ways: [9] a singleton could be democracy, a tyranny, a single dominant AI, a strong set of global norms that include effective provisions for their own enforcement, or even an alien overlord—its defining characteristic being simply that it is some form of agency that can solve all major global ...
Singleton pattern, a design pattern that allows only one instance of a class to exist; Singleton bound, used in coding theory; Singleton variable, a variable that is referenced only once; Singleton, a character encoded with one unit in variable-width encoding schemes for computer character sets
Unity Environmental University (formerly Unity College) is a private liberal arts university in New Gloucester, Maine, United States. It offers in-person and online associate , baccalaureate , and master's degree programs on sustainability and environmental science.
It is a concept of "unity without uniformity and diversity without fragmentation" [1] that shifts focus from unity based on a mere tolerance of physical, cultural, linguistic, social, religious, political, ideological and/or psychological differences towards a more complex unity based on an understanding that difference enriches human ...
Black–brown unity, variations include black-brown-unity[4][5] and black-brown-red unity,[6] is a racial-political ideology which initially developed among black scholars, writers, and activists who pushed for global activist associations between black people and brown people (including Chicanos and Latinos),and Indigenous peoples of the ...
A set such as {{,,}} is a singleton as it contains a single element (which itself is a set, but not a singleton). A set is a singleton if and only if its cardinality is 1. In von Neumann's set-theoretic construction of the natural numbers, the number 1 is defined as the singleton {}.