摘要：A failure on the precondition indicates a bug on the client/callerA failure on the postcondition indicates a bug on the routine/supplier.Inheritance:Making sure that the precondition is always equal t... 阅读全文

摘要：Someone may think thatinterface, the more the better, but not indeed: interface is action inclining, and interface supposes that it can have several implementation, if not, there's not necessary to us... 阅读全文

摘要：Provider: supports you,- "has"Manager: Designates &keepsyou, - "knows & manage", it seems that it will manage a family of product and expose services to cusumersHelper: asto itself, it does no... 阅读全文

摘要：Presenter: publicinterfaceIPresenter{///<summary>///Bindstheview.///</summary>///<paramname="view">Theview.</param>voidBindView(objectview);///<summary>///Bindsthemodel./... 阅读全文

摘要：meet problems too many subscribers and publisher too many kinds of eventSo aggregator know all objects manage the events from all objects propagate event to subscribers 阅读全文

摘要：I'd say the very first concept to grasp in software design is separation of concerns. Divide and conquer. Eat the elephant one bite at a time. Learning how to decompose a bigger problem into a seri... 阅读全文

摘要：UI can be an important part and not seems so easy Creating user interface code is time intensive. Not just in terms of the initial coding, but in my experience UI code generates the most... 阅读全文

摘要：view: use constrol, a user interfacecode-behind of webpage: as a view initializer, a mediatorPresenter: can't associate with system.web; expose an event, which will be registered by the initializer, ... 阅读全文

摘要：What's pattern: Pattern is a particular solution, on that's both common and effective in dealing with one or more recurring problems. It's kind of reuse of good method dealing some problems. Patterns ... 阅读全文

摘要：Many architectural dcisions are about performance. For most performance issue someone prefers to get a system up and running, instrument it, and then use a disciplined optimization process based on me... 阅读全文

摘要：DataBusiness LogicUIUserPerformanceSecurity... 阅读全文

摘要：When we discuss how to design enterprise applications, and what pattern to use, it's important to realize that enterprise applications are all different and that different problems lead to different w... 阅读全文