I have never done any Singleton class before and now I figured that for this DB connectio开发者_C百科n it will be a good idea to make one, but I have no clue why it is not working. I really would appr
I have a Android Widget, Configuration Activities, and a heavily used Android Service full of functions.I want to maintain global application state/status that can be referenced from any of the above
In Java, there is no global access like in C++.So what would one do if they wanted to create a container of objects that can be accessed from any class?Or say a java bean that holds global values.
I am writing a class that contains an array of other objects that it generates by querying a database.Each instance of this class runs a nearly identical query so my thought was to setup a shared prep
I am kinda new to Objective-C and iPhone development and I have a question. I\'m creating an app that retrieved data from the internet using JSON-RPC. I\'ve created a JSON-RPC client that performs the
I have 2 files that print a singleton instance, but I get two different instances. I\'m using Singleton code from Gary Robinson.
I want to create several incompatible, but otherwise equal, datatypes. That is, I\'d like to have a parameterized type Foo a, and functions such as
I have a singleton class that creates a connection to a Sqlite db and runs queries. I need to pull the database stuff out of the Singleton and create a database handler class.
This question already has answers here: Closed 12 years ag开发者_Go百科o. Possible Duplicate: Singleton: How should it be used
I have a tab-bar application, im using sing开发者_如何转开发leton class to share some data through out my application. In my application delegate class in didFinishLaunchingWithOptions method I am get
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