day03_pm

说明：  java api文档 中文版的 适合刚入门的 编程时可查阅相关内容(The Chinese version of the Java API document can be consulted when programming for beginners)

说明：  springboot 的启动类，关于gateway的启动，。。。。。。。。。。。。。。。。。。。。。(springBootCoreApplication)

修改实验7中定义的Rectangle类，使之拥有两个构造方法。其中一个是默认的，它使两点的坐标都为（0，0） 另一个带有4个参数，求出左上角和右下角点坐标为（2.1，3.2）、（5.2，6.3）的矩形的周长及面积，再利用带参数的构造方法创建Rectangle对象，求出左上角和右下角点坐标为（1，2）、（6.8，10.5）的矩形的周长及面积.(Modify the definition of experiment 7 Rectangle class, so that it has two constructors. One is the default, it makes two points of the coordinate of (0,0) the other with four parameters, find the upper left and lower right corner coordinates (2.1,3.2), (5.2,6.3) and perimeter and area of ​ ​ a rectangle, and then use a parameterized constructor method to create a Rectangle object, find the upper left and lower right corner coordinates (1,2), (6.8,10.5) rectangle of perimeter and area.)

数据挖掘 关联规则 FP增长算法 简单 易懂 适合初级人员(DataMining DataMining DataMining DataMining DataMining)

建议的安卓音乐播放器，很简单的代码，适合新手学习(Andrews recommended music player, a very simple code, suitable for novice learning)

Web application vulnerabilities have become a major concern in software security. This paper will present major attack patterns, i.e. SQL injection, cross-site scripting, cross-site request forgery, JavaScript hijacking, and DNS rebinding, together with a survey and assessment of the countermeasures available to web application developers.

一本介绍spring security 3的书籍，挺好的(spring security 3 introduction)

说明：  Java.开发详解视频教程从入门到精通（上）C(Java. Development explain the video tutorials from entry to master (I) C)

c2dm send the request in server

说明：  搭建redis环境搭建,以及查询数据库 缓存优化(Building redis environment)