zen of css design

Reprint: http://www.javaweb1024.com/java/Javajichu/2015/04/09/535.htmlDesign pattern of Zen First second edition http://www.javaweb1024.com/info/403.jspxThe 7th chapter of the single case model7.1 I am the emperor, my only one.Since the Qin Shihuang established the position of the emperor, the same period is basically only one person sitting alone in this position. In this case the subjects are also good to deal with, when we bow down, talk about the

requires the class "shy" point, try not to publish too many public methods and non-static variables, as far as possible, more introverted, use private, package-private, protected and other access rights It's your own, it's yours.In the actual application of such a method often appears: Put in this class can also, put in other classes also not wrong, how to measure it? You can stick to the principle that if a method is placed in this class, it does not increase the relationship between the c

Zen-interface isolation principle in Design ModeTwo types of interfaces: (1) instance Interface (2) Class Interface, use Interface-defined Interface isolation: (1) the client should not rely on interfaces that it does not need (2) the dependency between classes should be based on the smallest interface. Scenario Description: you are bored on the street one day, shouting a beautiful girl on the street. As a

zhang...i am Qinyi zhang...i am Qinyi zhang...i am Qinyi zhang...i am Qinyi Zhang ...Below, see what the class diagram is, very simple, no inheritance, and so on.In the book, a design method called "Multiple cases Mode" is derived from the singleton model, that is, a class can produce multiple objects, but the number of objects is limited.It is also an example of the emperor, but there are many emperors in this example, and every minister may find a

obtained the object (which takes time), the second thread B is also executing, executing to (Singleton = = null) judgment, then B gets the judging condition to be true, and then continues to run. When A and B both acquire an object, a bug is created.You just need to change the code just like this.public static synchronized Singleton getSingleton(){ if(singleton == null) singleton = new Singleton(); return Singleton; }----------2、需要考虑对象的复制情况，在java中对象是默认不可复制的，若实现了Cloneable接口，并实现了

This "Zen of design patterns" was not easy to get. At that time, I had the honor to ask Qin Xiaobo in the csdn forum. Reading such a classic book cannot be like reading a novel. It is intended to be a pleasure to go around for a long time. It is more about reading and changing questions. Why should we ask every key point. Teacher Qin Xiaobo's language is sometimes humorous and sometimes important. Mr. Qin X

staticpublicclass HumanFactory{ //这里是 publicstaticcreateHuman(Classnull; try{ human = (Human)Class.forName(c.getName()).newInstance(); }catch(Exception e){ System.out.println("人类生产错误"); e.printStackTrace(); } return (T)human;}}2. Upgrade to multiple factory classesWhen we are working on a more complex project, we often encounter an effort to initialize an object, and all product classes are initialized in a factory method, and t

Zen-singleton mode in Design Mode Personal blog this blog address: http://www.sanyinchenblog.com /? P = 233 Singleton mode: Make sure that a class has only one instance, and instantiate it and provide the instance to the entire system. Demo (https://github.com/sanyinchen/UMLDemo) General View (hunger style ): Single sample Common Code Template: public class Singleton{private static final Singleton single

CSS design guide, Study Notes 1, css design guide This article is about some notes and Experiences after reading Charles Wyke-Smit's "CSS design guide" over the past few days. I seem to be getting started with web

Chapter 1 design pattern: Making CSS easier On the surface, CSS seems easy. It has 45Commonly used properties you can employ to style a document. below the surface,Different combinations of properties and property values trigger completelyDifferent results. I call this CSS polymorphism because the same property has al

For the use of P and CSS design is also more interesting design effect, this article will give you a simple introduction of the next p and CSS implementation of radio list design, how to achieve the effect of P and CSS implementat

Use CSS to design bar-like statistical tables and css to design bar statistical tables

Summary of the CSS Design Guide by reading and learning booksCSS Design Guide/charles lvyke-smith. Lisongfeng-People post and Telecommunications publishing houseBook site: http://www.stylinwithcss.comHighly Recommended!! Simple, concise, suitable for beginners!! How CSS Works 2.1 parsing

to design a reasonable navigation form. Here we will use CSS to design the three commonly used navigation forms to see how CSS implements these styles. Horizontal navigation There is a big difference between creating navigation by using CSS layout and table layout. In a