We开发者_StackOverflow have to introduce logging in our application. We have decided to use log4j is it a good choice. Also somebody told that we should use singleton pattern for using log4j can someb
I\'ve been slowly churning through my first iPhone app, outside of learning within the context of a book. What I would like to have is a single, global variable that tracks whether or not there is a p
How to implement singleton without using static/globa开发者_C百科l variable? Possible? This is an interview question...Dependency injection is one possibility. Since your question is not specific to
I took over a project and the previous developer used a CMS where the client could enter text and stuff but the problem was that the client wanted some css and javascript and it turned out that this \
We have a j2ee web environment.The server is configured to share session and possibly classloaders across multiple webapps.Basically, one classloader could server multiple web apps.
I know well that you want to use Singleton to provide a global point of access to some state or service. The benefits of the Singleton pattern do not need to be enumerated in this question.
I\'ve searched quite a bit about this on stack overflow and think this question is different enough to merit a new question.
I\'m programming in Qt Creator and encountered a problem. I made a singleton class, and I\'m trying to connect it to a 开发者_运维百科slot in the widget, but it doesn\'t take the pointer that returns
We all know about log, ok, but why should we consider the «Logger»开发者_开发技巧 class a singleton one? What happens if we make it as a normal non-singleton class?I found this here on the IBM site.
I\'m new and a little ignorant in C++ and I encounter a C++ code that used a singleton pattern, class CFoo
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