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logback配置Level Inheritance

Configuration file example: <configuration debug="true"> ...... <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"> <layout class=&qu ...
darrenzhu 评论(0) 有1552人浏览 2016-01-26 17:17

Classify源码解析

        Classify是一个小巧、简单的JavaScript继承框架,官网上的资料非常简洁,一共才6个api,常用的也就4个,可以很快的看完并使用,麻雀虽小但五 ...
Mossad 评论(0) 有1470人浏览 2014-10-19 18:51

class and inheritance

class and inheritance class Base: def __init__(self): self.data = [] def add(self, x): self.data.append(x) def addtwice(self, x): self.add(x) self.add(x) # Child extends Bas ...
kanglecjr 评论(0) 有830人浏览 2014-05-21 11:53

Item 20: Prefer class hierarchies to tagged classes

1.  You may run across a class whose instances come in two or more flavors and contain a tag field indicating the flavor of the instance. (i.e. An Operator class with one field to indicate what operat ...
leonzhx 评论(0) 有614人浏览 2014-03-14 14:06

全面理解面向对象的 JavaScript

http://www.ibm.com/developerworks/cn/web/1304_zengyz_jsoo/index.html#resources
darrenzhu 评论(0) 有933人浏览 2013-04-24 10:27

Chapter 6. Object-Oriented Programming

1.There is a special variable called this. When the function is called as a method (meaning it is looked up as a property and immediately called, as in object.method()), this will point to the releva ...
leonzhx 评论(0) 有1112人浏览 2013-04-12 19:06

Item 17: Design and document for inheritance or else prohibit it

1.  The class must document precisely the effects of overriding any method. In other words, the class must document its self-use of overridable methods.   2.  By convention, a method that invokes o ...
leonzhx 评论(0) 有1736人浏览 2013-03-10 22:52

Item 16: Favor composition over inheritance

1.  Inheriting from ordinary concrete classes across package boundaries is dangerous.   2.  Unlike method invocation, inheritance violates encapsulation. The superclass’s implementation may change ...
leonzhx 评论(0) 有1045人浏览 2013-03-04 17:12

flex style的继承顺序

If you define a style in only one place in a document, Flex uses that definition to set a property’s value. However, an application can have several style sheets, local style definitions, external styl ...
darrenzhu 评论(0) 有1350人浏览 2012-10-10 12:03

提高C#编程水平不可不读的50个要诀

1.总是用属性 (Property) 来代替可访问的数据成员 3.在 as 和 强制类型转换之间,优先使用 as 操作符 5.总是为自定义类重载 ToString 方法 7.使用不可变的值类型(Immutable Atomic Value Types) 9.理解 ReferenceEquals, static Equals, instance Equals 和 比较运算符(==)之间的关系 ...
t641339564 评论(0) 有837人浏览 2012-10-08 10:28

面向对象基础

面向对象的三大特性:   (1)封装(Encapulation):表示被封装的属性不可以被外部直接访问,只能通过set()或者get()方法完成设置和获取.建议只要是属性,都要进 ...
Moyunyu 评论(0) 有1026人浏览 2011-11-16 22:17

4.4 play with class inheritance in ruby

  1.  class Word    def palindrome?(string)        string == string.reverse    endend  in this class, it doesn't indicate superclass explicitly, so the default is inherit from Object class.   sinc ...
peryt 评论(0) 有831人浏览 2011-08-29 18:06

SpringMVC 中实体类父子类关系设置

SpringMVC 中实体类父子类关系设置 父类: @Entity @Table(name="tbl_AlbumSuper") @Inheritance(strategy=InheritanceType.SINGLE_TABLE) public class AlbumSuperClass {     @Id     @Column(length = 32)     @ ...
looxiaohu 评论(0) 有1565人浏览 2011-08-23 00:03

Chapter 7. Reusing Classes -- Thinking in Java

1) You have two ways to use the classes without soiling the existing code:     a. you simply create objects of your existing class inside the new class. This is called composition, because the new c ...
leonzhx 评论(0) 有912人浏览 2010-10-01 17:37

Chapter 1. Introduction to Objects -- Thinking in Java

1)  All programming languages provide abstractions. It can be argued that the complexity of the problems you’re able to solve is directly related to the kind and quality of abstraction. By “kind” I m ...
leonzhx 评论(0) 有1092人浏览 2010-10-01 17:21

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