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Topic: Singleton

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	Singleton - Wikipedia, the free encyclopedia
		In variable-width encoding schemes for computer character sets, a singleton is a character encoded with one unit, as opposed to characters encoded with multiple-unit sequences.
		In Unicode, a singleton is a character the decomposition of which consists of a single character (e.g.
		A singleton is a baby that is not a twin or other multiple birth.
	en.wikipedia.org /wiki/Singleton (427 words)

	Singleton pattern - Wikipedia, the free encyclopedia
		A possible C++ solution (also known as Meyers singleton) where the singleton is a static local object (note: this solution is not thread-safe and is designed to give an idea of how singletons work rather than a solution usable in large-scale software project).
		In a prototype-based programming language, where objects but not classes are used, a "singleton" simply refers to an object without copies or that is not used as the prototype for any other object.
		The singleton pattern is often used in conjunction with the factory method pattern to create a system-wide resource whose specific type is not known to the code that uses it.
	en.wikipedia.org /wiki/Singleton_pattern (771 words)

	Walkabout - Singleton
		Singleton is situated on the banks of the Hunter River, 209 km north-west of Sydney via Cessnock.
		Singleton cut a 3-km track through the bush to the school so the children would not lose their way.
		Although its status as northern railhead was short-lived (passing on to Muswellbrook in 1869) Singleton benefited from the boom and through-traffic by the construction of a dual carriage railway/road traffic bridge in 1866, the year the town became a municipality.
	www.walkabout.com.au /locations/NSWSingleton.shtml (5031 words)

	PBS - THE WEST - Benjamin "Pap" Singleton
		Singleton was born in 1809 in Nashville, Tennessee, where he was several times sold as a slave but always managed to escape.
		Those who answered Singleton's call to head west became known as "Exodusters," and Singleton himself was described as the "Father of the Exodus." But the massive migration of African Americans from the South that reached a peak in 1879 was not inspired by Singleton alone.
		In 1880, Singleton was called to testify at Congressional hearings on the alarming migration of fls from the South.
	www.pbs.org /weta/thewest/people/s_z/singleton.htm (619 words)

	Implementing Design Patterns in C# - Singleton Pattern (Site not responding. Last check: 2007-11-07)
		Singleton Design Pattern addresses to such situation by providing a design for such classes (known as Singleton class).
		First case Singleton can be used in a data repository or data collection where creation of more than one object can be resource wastage.
		By using Singleton Design Pattern, it is possible for a programmer to control the instantiation of class by allowing only single object to be instantiated when desirable.
	www.c-sharpcorner.com /Code/2003/Jan/SingletonPattern.asp (730 words)

	Singleton (Site not responding. Last check: 2007-11-07)
		Earnest Newton Singleton moved his family to Nederland in 1901 to operate a meat market, making his household one of the first native-born families in an immigrant colony where almost nothing but the Dutch language was spoken.
		Singleton's step-father was Blewitt Langham, and Singleton's arrival in Nederland would result in the subsequent arrival of the Blewitt Langham family, as well as Singleton's half-brother, Virgil Langham, and his family.
		Singleton maintained her home in Port Arthur, at first with the help of her son, Dillard, and later, with the help of her youngest son, Rudolph.
	www.wtblock.com /wtblockjr/singleto.htm (881 words)

	When is a Singleton not a Singleton?
		The Singleton should not be seen as way to implement global variables in the Java programming language; rather, along the lines of the factory design patterns, the Singleton lets you encapsulate and control the creation process by making sure that certain prerequisites are fulfilled or by creating the object lazily on demand.
		Singletons that do not hold state but simply control access to resources are also not appropriate for EJBs, since resource management is the role of the EJB container.
		Singletons are a useful way to control access to a class, making sure that only one instance can exist.
	java.sun.com /developer/technicalArticles/Programming/singletons (3004 words)

	GameDev.net - The One: A Singleton Discussion
		The singleton is a recurring pattern used by programmers.
		This singleton holder is a part of a free reusable game toolkit (the availability of which will be announced in the near future).
		Singletons provide more safety than using global variables but most of the time, they are still used more often than they should be.
	www.gamedev.net /reference/articles/article1825.asp (1464 words)

	CNN.com - Executed mentally ill inmate heard voices until end - Jan. 6, 2004
		Singleton's attorney said his 44-year-old client welcomed his execution because he was tired of living with mental illness.
		Singleton understood that he would be put to death and why -- the current legal standards to qualify for execution, said his attorney, Jeff Rosenzweig.
		Singleton's attorneys filed a lawsuit arguing the state could not constitutionally restore his client's mental competency through the use of forced medication and then execute him.
	www.cnn.com /2004/LAW/01/06/singleton.death.row (607 words)

	The Evolution of Dean Singleton
		Singleton is the CEO of the privately held MediaNews Group, the seventh-largest newspaper company in the U.S., with forty-eight dailies (and 121 nondailies) in eleven states.
		Singleton is wearing gray slacks, a light blue shirt (with his initials — "WDS" — embroidered on the pocket) and a bright red tie.
		Singleton fervently believes that a "free press" — by which he means a privatized press — can bring "democracy" to Russia; and that anyone who enlists in that venture will be making an imperishable contribution to freedom in the former Soviet Union.
	www.cjr.org /issues/2003/2/dean-sherman.asp (6510 words)

	Singleton
		The Singleton pattern ensures that a class has only one instance and provides a global point of access to that instance.
		It is named after the singleton set, which is defined to be a set containing one element.
		The answer to the global data question is not, "Make it a Singleton." The answer is, "Why in the hell are you using global data?" Changing the name doesn't change the problem.
	home.earthlink.net /~huston2/dp/singleton.html (571 words)

	Exploring the Singleton Design Pattern (Building Distributed Applications) (Site not responding. Last check: 2007-11-07)
		The GoF Singleton pattern details the issues with trying to subclass a singleton and it is generally not a trivial matter.
		In most cases, it is very easy to develop a singleton without a parent class, and adding sub-classing functionality adds a new level of complexity that is generally not needed anyway.
		The Singleton design pattern is a very useful mechanism for providing a single point of object access in an object-oriented application.
	msdn.microsoft.com /library/en-us/dnbda/html/singletondespatt.asp?frame=true&_r=1 (2839 words)

	Morning Edition: George Singleton
		Singleton is a raconteur of trends, counter-trends, obsessions and odd characters in his adopted state of South Carolina.
		Singleton, who is in his early 40s, has been living in rural South Carolina since early childhood.
		The newest arrivals aren't as interesting to Singleton as the long-time residents -- the textile workers, mechanics and farmers.
	www.npr.org /programs/morning/features/2001/aug/southern/010816.southern.singleton.html (499 words)

	CNN.com - Jane Jetson voice Penny Singleton dead - Nov. 14, 2003
		Penny Singleton, who brought the comic strip character Blondie to life in a popular series of films and was the voice of the mother on "The Jetsons," has died.
		Singleton was born in 1908 -- some references say 1909 -- daughter of a Philadelphia newspaperman.
		Singleton is survived by two daughters, two grandchildren and a great-grandson.
	www.cnn.com /2003/SHOWBIZ/TV/11/14/obit.singleton.ap (554 words)

	GameDev.net - The Singleton Class Cluster
		The Singleton is one of the most widely used design patterns, although typical implementations tend to have a few shortcomings.
		The intent of the singleton is to ensure there is only one instance of the singleton at any one time, and to provide a unified access point to that instance.
		This implementation also allows singletons to be re-created, as it may be necessary to destroy and then recreate a singleton, for instance a Renderer singleton when the display resolution changes.
	www.gamedev.net /reference/articles/article2260.asp (844 words)

	Alvin Singleton
		After working for more than a decade in Europe, Singleton served as composer in residence with the Atlanta Symphony Orchestra from 1985 to 1988 and was resident composer at Spelman College from 1988 to 1991.
		He was awarded the Kranischsteiner Musikpreis by the City of Darmstadt, Germany, the Musikprotokoll Kompositionpreis by the Austrian Radio, Mayor's Fellowship in the Arts Award by the City of Atlanta, and a grant from the National Endowment for the Arts.
		Singleton's oeuvre includes works for the theater, orchestral pieces, instrumental solos, and a wide range of chamber ensembles.
	www.otherminds.org /shtml/Singleton.shtml (217 words)

	Singleton Urquhart Legal Counsel (Site not responding. Last check: 2007-11-07)
		In 1986, Glenn Urquhart, Q.C. and John Singleton, Q.C. formed Singleton Urquhart with the goal of establishing a law firm that would deliver high-level, specialized expertise to their clients, while at the same time providing a supportive and collegial working environment for lawyers and staff.
		The Professional Services Committee at Singleton Urquhart accepts applications for articles throughout the year, although interviews are conducted in August of each year for placement in the subsequent year.
		Singleton Urquhart's collegial environment and team approach is evident in our experienced staff, many of whom have been with our firm for more than ten years.
	www.singleton.com /careers.html (1047 words)

	[No title] (Site not responding. Last check: 2007-11-07)
		The Singleton pattern ensures that a class only has one instance and provides a global point of access to it from a well-known access point.
		Singletons are very useful when doing things like database connection pooling.
		Usually singletons have long creation times also (allocating huge chunks of memory, setting up pools of some sort, initializing tables, etc...) so such a situation is bound to happen.
	www.devhood.com /tutorials/tutorial_details.aspx?tutorial_id=486 (1601 words)

	Singleton - Ogre Wiki
		Singleton - A class of which only one instance can exist at a given time.
		IIRC, singletons are a design pattern (a way of creating classes that fits in most projects).
		The implementation described above creates the singleton on the fly when the instance is obtained for the first time.
	www.ogre3d.org /wiki/index.php/Singleton (553 words)

	Gem: An Automatic Singleton Utility (Site not responding. Last check: 2007-11-07)
		A singleton is an object that only has one instance in a system at any time.
		These types of subsystems are not “singletons” in that they don’t have their functionality encapsulated into a class and can’t be represented using a single instance of that class.
		The Singleton class’s only purpose in life is to automatically register and unregister any instance of its derived (MyClass) type as it is constructed and destroyed.
	www.drizzle.com /~scottb/publish/gpgems1_singleton.htm (1111 words)

	Handbook of Texas Online: SINGLETON, TX
		Singleton is on State Highway 90, U.S. Highway 39, and the Burlington-Rock Island line eleven miles north of Anderson in east central Grimes County.
		A post office was established in 1902, and the town was named in honor of railroad surveyor E. Singleton.
		In 1915 the population of Singleton was 100, and it was about 150 by 1936, when there were five accredited businesses reported there.
	www.tsha.utexas.edu /handbook/online/articles/view/SS/hns50.html (394 words)

	Implementing the Singleton Pattern in C#
		Implementing the Singleton Pattern in C# Implementing the Singleton Pattern in C# The singleton pattern is one of the best-known patterns in software engineering.
		Essentially, a singleton is a class which only allows a single instance of itself to be created, and usually gives simple access to that instance.
		That means that if you're "only" acquiring the singleton four hundred thousand times per second, the cost of the acquisition is going to be 1% of the performance - so improving it isn't going to do a lot.
	www.yoda.arachsys.com /csharp/singleton.html (2111 words)

	jGuru: What is an example of a design pattern?
		A complete discussion of even a small pattern is beyond the scope of a simple FAQ entry, but it is possible to get the idea by examining an abbreviated discussion of one of the simplest and most easily understood patterns.
		because the constructor of singleton class will be declared private,an instance cannot be created outside of the class ie an instance cannot be created by the developer explicitly.
		Are we bound to get instance of Singleton using its method Instance() what if we do it by using "new".
	www.jguru.com /faq/view.jsp?EID=3434 (1847 words)

	design:singleton_pattern [phpPatterns]
		The singleton pattern applies to the situation where you need a single, global instance of a class.
		The easiest way to understand a singleton pattern is by example.
		One thing you may have noticed in that article is we had to pass each widget an instance of the DOM API we’d constructed elsewhere, which can become cumbersome.
	www.phppatterns.com /docs/design/singleton_pattern (573 words)

	Simply Singleton
		The Singleton pattern is one of the simplest design patterns, but for Java developers, it's full of pitfalls.
		Singletons maintain a static reference to the sole singleton instance and return a reference to that instance from a static
		The other solution is to put your singleton class in an explicit package, so classes in other packages (including the default package) cannot instantiate singleton instances.
	www.javaworld.com /javaworld/jw-04-2003/jw-0425-designpatterns.html (854 words)

	Amazon.com: Why Dogs Chase Cars : Tales of a Beleaguered Boyhood (Shannon Ravenel Books (Paperback)): Books: George ... (Site not responding. Last check: 2007-11-07)
		Much of the novel is an excuse for Singleton to string together a series of loosely connected anecdotes peopled by characters who might have stepped out of the pages of a Flannery O'Connor novel.
		At the center of most is Mendal's father, who alternately flummoxes and delights his son with his strange habits, playing pranks on neighbors he dislikes and compulsively burying random objects in the yard.
		Singleton's tales of southern eccentrics have always balanced bursts of hilarity with a compelling heft and complexity of feeling.
	www.amazon.com /exec/obidos/tg/detail/-/1565124049?v=glance (977 words)

	[No title]
		Singleton's responsibilities imply that it owns the instance it creates; and ownership, finally, means responsibility for deletion.
		For now let's assume that ordering isn't a problem; there is only one singleton in the program, or if there is more than one, their destruction is not order-dependent.
		I used to think Singleton was one of the more trivial of our patterns, hardly worthy to hobnob with the likes of Composite, Visitor, etc.; and maybe that explains its silence on some issues.
	www.research.ibm.com /designpatterns/pubs/ph-jun96.txt (2448 words)

	Singleton, TAMU Chemistry
		Professor Singleton may be contacted by phone at (979) 845-9166, by fax at (979) 845-9452, or by email at singleton@mail.chem.tamu.edu.
		The key step in the method of organic chemistry professor Daniel A. Singleton and graduate student Allen A. Thomas is to isolate the starting materials after the reaction has gone almost to completion.
		At 98.9% completion, they distilled off the unreacted isoprene and determined the amount of deuterium and carbon-13 at each position, using the presumably uninvolved methyl group as an internal standard.
	www.chem.tamu.edu /rgroup/singleton/SingletonRes.html (1309 words)

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