Inside mathematics, a singleton occurs as set with exactly one element. Look at singleton (mathematics). Around computer programming, a singleton occurs as most common design pattern. It refers to the class which is meant to become non freely instantiated, however stand simply the defined total of cases. Look at Singleton pattern. The singleton is besides the variable that is only utilized once in the program, unremarkably indicating a programming mistake. Watch singleton variable. Within variable-width encoding schemes for computer character sets, a singleton occurs when character encoded using of these unit, as opposed to characters encoded by using multiple-unit sequences. Around Unicode, a singleton occurs as character a decomposition of which consists of one character (e.g. a "ohm sign" (Ω) is decomposed when a "Greek capital letter omega" (Ω)). The singleton occurs as toddler that is non the twin or other multiple birth. In the wake up of the popularity of the novel & moving-picture show Bridget Jones's Diary, the word has also become popular as a (self-)description of individuals without romantic partners, particularly applied to 20/30-something females. There exists an undertone to this have of ignoring social pressures towards partnerships. Within trick-ingesting games in which lawsuit is crucial, like contract bridge and Hearts, if the hand contains simply 1 card of the particular lawsuit, that card is known as the singleton. Certain bidding systems (notably Acol) add notional value to a hand for a short lawsuit of this nature and severity since it exposes the possibility of ruff. Likewise, holding the "singleton Queen" (of Spades) inside Hearts is a very harmful position. Inside Whisky singleton describes the previous cask or even charge of the Whisky. Around espionage a singleton is an intelligence officer who works alone, in that he has there is no network. Within science-fiction stories involving multiple parallel realities, the singleton occurs as individual, place, or even tool that lives inside single of these reality, disregardless of how else similar said realities may become otherwise. This is typically utilized as a principle for travel between victims worlds. Singleton is the title of the short story by Greg Egan Around conformal field theory, see singleton field.

Places called Singleton

Within Australia: Singleton, New South Wales Singleton, a suburb of Perth, Western Australia

In the United Kingdom: Singleton, Lancashire Singleton, West Sussex

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