DevTools: State Of The Union 2015. Use your singletons wisely. Develop and deploy your nextapp on the IBM Bluemixcloud platform. Start building for free The programming community discourages using global data and objects. Still, there are times when an application needs a single instance of a given class and a global point of access to that class. The general solution is the design pattern known as singletons. However, singletons are unnecessarily difficult to test and may make strong assumptions about the applications that will use them.
Fonctions dans des fonctions Oui !