I know that Singleton pattern is bad because it uses global state. But in most applications, you need to have a single instance of a class, like a datab开发者_如何学编程ase connection.
I am normally a c# programmer but am now working in VB for this one project when I use to set up a singleton class I would follow the Jon Skeet model
I just got to read the following code somewhere : public class SingletonObjectDemo { private static SingletonObjectDemo singletonObject;
We are using Oracle Weblogic 10.3 as our application server.We have multiple modules that need to access an Object (contains some HashMaps) that is common for the managed server.This object will be po
How can we ensure that there is a 开发者_JAVA百科single instance of a class in a clustered environment? The class is Serializable.You need to correctly implement readResolve method of your singleton c
So, I\'ve always implemented a singleton like so: class Singleton { private static $_instance = null; public static function getInstance() {
In my case I am using Lucene.Net for search and would like to us开发者_运维问答e single instances of IndexReader and IndexSearcher. Where should I move them from a method to be able just to instantiat
I am working on updating a legacy application that is absolutely rife with Singleton classes. A perfect example would be the SnmpConnector class:
I am trying to figure开发者_如何学Go out the best strategy for logging on the async-IO web server I am working on. I thought the easiest way was to have a singleton class that keeps Filestreams open f
This may seem a bit odd, but I really need to create a workaround for the very complicated duplex - communication - handling in C#, especially to force other developers to observe the DRY - principle.
加载中,请稍侯......