singleton

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How do I implement an Objective-C singleton that is compatible with ARC?

How do I convert (or create) a singleton class that compiles and behaves correctly when using auto开发者_JAVA技巧matic reference counting (ARC) in Xcode 4.2?In exactly the same way that you (should) h[详细]

2023-04-08 05:28 分类：问答
Play! - End Job dynamically

So, let\'s say I start a job from a controller asynchronously and then render some template. MyJob job = new MyJob();[详细]

2023-04-08 05:18 分类：问答
How to ensure that only one XMPPConnection will be created? Use singletons?

I\'m dealing with creating a web service which will receive requests to send messages via XMPP. However, all messages will be sent from one account (the server logs in and sends notifications to users[详细]

2023-04-08 04:04 分类：问答
Static Alternative in PHP for <b>Parse error</b>: syntax error, unexpected T_STATIC in <b>

I was testing my PHP application on localhost with Xamppp and everything was just fine, but when I exported it to a real server, it does not work anymore. I found out that it is because my server does[详细]

2023-04-07 23:46 分类：问答
IIS CPU goes bezerk after updating web.config in a C# application with a Singleton with a thread

I have a web application that does the following: You click a button to instantiate a singleton, which creates a Thread.That Thread runs continuously doing some HTTP requests to gather some data.You[详细]

2023-04-07 15:01 分类：问答
What is best way to share class instance (create and share singleton)?

I know 2 ways. What is better? And anything better than 2 ways开发者_如何学JAVA? + (MyClass *)shared {[详细]

2023-04-07 06:51 分类：问答
Java: How to reproduce Legen...dary ClassNotFoundException in Singleton?

On my last interview I was asked a standard question about all Singleton implementations in java. And how bad they all are.[详细]

2023-04-07 06:49 分类：问答
How do i make database object more efficient by reusing

I am confused on how to handle the logic of reusing the database object and configuration variables or constants that stands global for the application.[详细]

2023-04-07 02:03 分类：问答
Calling static method in PHP 5.3 Late Static Binding Singleton Method

I have an abstract class that contains these methods: <?php public static function getInstance() { $me = get_called_class();[详细]

2023-04-06 23:01 分类：问答
When/why does my Java singleton instance get destroyed?

I have an android app that is setup to start a Java activity (call it MyJavaActivity), which in turn launches a NativeActivity. When the NativeActivity finishes it returns back to MyJavaActivity.[详细]

2023-04-06 17:24 分类：问答