singleton
How Objective-C singleton should implement init method?
I read a couple of amazing resources on singletons in Obj-C: SO question: What does your Objective-C singleton look like?[详细]
2023-04-01 03:17 分类：问答When we should go for a Singleton class in Java?
As per my thoughts, we should make a class as Singleton when we share the same object state across the application. In that case we want the user to to restrict from creating a new instance every time[详细]
2023-03-31 14:55 分类：问答How to check if window is opened and close it
I am working on C# winforms. I have function Validate() which is present in the CS file. When I call function Validate() it opens ErrorForm using[详细]
2023-03-31 12:18 分类：问答Proper way of creating new objects which are copies of NSDictionary and NSArray objects defined in app delegate
I am wondering what the correct way is to make a copy of an object defined in the app delegate or a singleton object. In short, I am making an app which requires a user to login. This login view is ju[详细]
2023-03-31 06:19 分类：问答OOP in PHP: About static use in MVCs [closed]
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to开发者_C百科 be supported by facts, references,or expertise, but this question will likely solic[详细]
2023-03-31 03:07 分类：问答How do I debug singletons in Objective-C
My app contains several singletons (following from this tutorial). I\'ve noticed however, when the app crashes because of a singleton, it becom开发者_JAVA百科es nearly impossible to figure out where i[详细]
2023-03-31 01:23 分类：问答Is there a standard design pattern for ExtJS
We use ExtJS 3.x pretty heavily within our flagship application. Our application\'s admin area is split into the different modules 开发者_如何学编程that we offer. Each module, and subsequently each pa[详细]
2023-03-31 00:04 分类：问答What is wrong with this singleton?
Currently I\'m using a rather simplistic implementation of a singleton. However, I\'ve never seen anything like this suggested on the web, which leads me to believe there might be something wrong with[详细]
2023-03-30 20:25 分类：问答Is there a reason to keep a reference to a Singleton instance in another class in Java?
This is probably a pretty dumb question, but earlier today I ran into some code where an external class was storing a reference to a Singleton class instance (in a private field), and was using this r[详细]
2023-03-30 17:26 分类：问答get_instance() in Codeigniter: Why assign it to a variable?
In Codeigniter, get_instance() is a globally available function that returns the Controller super-object which contains all the currently loaded classes (it returns the Controller class instance). I\'[详细]
2023-03-30 15:26 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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