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singleton    音标拼音: [s'ɪŋgəltən]
n. 一个,独生子,独身

一个,独生子,独身

singleton
n 1: a single object (as distinguished from a pair)
2: a set containing a single member
3: the playing card that is the only card in a suit held in a
bridge hand as initially dealt

Singleton \Sin"gle*ton\, n.
In certain games at cards, as whist, a single card of any
suit held at the deal by a player; as, to lead a singleton.
[1913 Webster]


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英文字典中文字典相关资料:


  • . net - What is a singleton in C#? - Stack Overflow
    A singleton is a class which only allows one instance of itself to be created - and gives simple, easy access to said instance The singleton premise is a pattern across software development There is a C# implementation "Implementing the Singleton Pattern in C#" covering most of what you need to know - including some good advice regarding thread safety To be honest, It's very rare that you
  • What are the real world applications of the singleton pattern?
    Duplicate On design patterns: When should I use the singleton? class Singleton { private static Singleton instance; private Singleton() {} public static Singleton Instance {
  • What are drawbacks or disadvantages of singleton pattern?
    The singleton pattern is a fully paid up member of the GoF's patterns book, but it lately seems rather orphaned by the developer world I still use quite a lot of singletons, especially for factory
  • How do you implement the Singleton design pattern?
    One example is if the constructor of the singleton allocates memory from the heap and you wish that allocation to be predictable, for instance in an embedded system or other tightly controlled environment I prefer, when the Singleton pattern is the best pattern to use, to create the instance as a static member of the class
  • What is the best way of implementing a singleton in Python?
    A singleton is special because its instance is created only once, and a metaclass is the way you customize the creation of a class, allowing it to behave differently than a normal class
  • How is Meyers implementation of a Singleton actually a Singleton
    When I look at this second example, it is very intuitive how this is a singleton, since the class holds a reference to one instance of itself, and only ever returns that instance
  • Simplest cleanest way to implement a singleton in JavaScript
    What is the simplest cleanest way to implement the singleton pattern in JavaScript?
  • Dagger 2 - what is the purpose of a @Singleton annotation class
    From the dagger 2 Documentation I noticed that you can have a @Singleton annotated class What is the purpose of marking a class as @Singleton as I have tried to do this in my code but a singleton
  • Thread Safe C# Singleton Pattern - Stack Overflow
    The pattern you see here is called double-checked locking Its purpose is to avoid the expensive lock operation which is only going to be needed once (when the singleton is first accessed) The implementation is such because it also has to ensure that when the singleton is initialized there will be no bugs resulting from thread race conditions
  • Difference between static class and singleton pattern?
    What real (i e practical) difference exists between a static class and a singleton pattern? Both can be invoked without instantiation, both provide only one "Instance" and neither of them is thread-





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