Back to Design Patterns Streamline Your App with Design Patterns 用设计模式精简你的应用程序 In Objective-C programming, one way to add behavior specific to your app is through inheritance. You create a subclass of an existing class that either augments the attrib…
原文链接:http://www.c-sharpcorner.com/UploadFile/19b1bd/design-patterns-simplified-part3-factory/ Design Patterns Simplified - Part 3 (Simple Factory)[设计模式简述--第三部分(简单工厂)] This article explains why and how to use the Simple Factory Design Pattern in softw…
原文链接: http://www.c-sharpcorner.com/UploadFile/19b1bd/design-patterns-simplified-part-2-singleton/ Design Patterns Simplified - Part 2 (Singleton)[设计模式简述--第二部分(单例模式)] I am here to continue the explanation of Design Patterns. Today we will explai…
From Head First Design Patterns. Design Principle: Idnetify the aspects of your application that vary and separate them from what stays the same. Here's another way to think about it: Take the parts that vary and encapsulate them, so that later you c…
Apex allows you to build just about any custom solution on the Force.com platform. But what are the common design patterns and associated best practices for Apex development, and how can you leverage these patterns and best practices to avoid reinven…
设计模式是一套被反复使用.多数人知晓的.经过分类编目的.代码设计经验的总结,使用设计模式的目的是提高代码的可重用性,让代码更容易被他人理解,并保证代码可靠性.它是代码编制真正实现工程化. 四个关键元素:(1) Pattern Name, (2) Problem, (3) Solution, (4) Consequences. 01. Factory Method Pattern /* The product should be created by his own factory. */ Log…