Item 22: Prefer Helper Classes Over Bookkeeping with Dictionaries and Tuples For example, say you want to record the grades of a set of students whose names aren't konwn in advance. You can define a class to store the names in a dictionary instead of…
Custom Components In this document The Basic Approach Fully Customized Components Compound Controls Modifying an Existing View Type Android offers a sophisticated and powerful componentized model for building your UI, based on the fundamental layout…
Java™ Platform, Standard Edition 7API Specification This document is the API specification for the Java™ Platform, Standard Edition. See: Description Packages Package Description java.applet Provides the classes necessary to create an applet and the…
proxy在语言层面去操作一个对象 var user={}; user.fname='Bob'; user.lname="Wood"; user.fullName= function () { console.log(this.fname+" "+this.lname); } user.fullName();//Bob Wood 现在要做到user.fullName就让它去显示. proxy接收2个参数,第一个是对象{},第二个也是个{}. var user = n…
1.根据名字获得类(C++支持,蓝图本身不支持但可以通过工厂模式模拟) 国外大神提供的封装好的C++实现: https://github.com/getsetgames/BlueprintReflection 功能: 1) Get Class By Name(根据类的名字获得类) The Get Class By Name blueprint function can be used to retrieve a Class (UClass) object by providing its nam…