If you want to create a class that can instantitate once. This is the right document for you. Or those who don’t want to fall into the trap of singleton class. http://www.javaworld.com/javaworld/jw-04-2003/jw-0425-designpatterns.html?page=1
Error 503–Service Unavailable From RFC 2068 Hypertext Transfer Protocol — HTTP/1.1: 10.5.4 503 Service Unavailable The server is currently unable to handle the request due to a temporary overloading or maintenance of the server. The implication is that this is a temporary condition which will be alleviated after some delay. If known, the length of [...]
Twitter
Facebook