shuzhifenxi

计算机网络，模拟路由器间路由选择的距离向量算法（DV）的程序，纯JAVA实现。(Computer networks, mock router routing algorithm distance vector (DV) program, pure JAVA implementation.)

Hibernate原理与配置快速入门：介绍Hibernate的核心Api调用库，并讲解一下它的基本配置(Principles and configure Hibernate Quick Start: Introduction to Hibernate Core Api call library, and explain its basic configuration)

ssm(struts2+spring+mybatis)写的一个demo,实现简单的增删改查，了解ssm开发流程，适合新手(ssm (struts2+spring+mybatis) write a demo, to achieve simple CRUD understand ssm development process for novices)

Advanced JaVa Programming

简单计算器,能实行简单的加减乘除，开平方(Simple imitation of windows calculator )

说明：  ssmjar包 整合ssm框架的所有用到的jar包(ssm jar pakage is very duo)

BinarySearchTree.lss Time-stamp: <2003-03-28 01:56:10 Daniel Eriksson> Date Author Changes - 2003-03-28 Daniel Eriksson Created( BinarySearchTree.lss Time-stamp: <2003-03-28 01:56:10 Daniel Eriksson> Date Author Changes - 2003-03-28 Daniel Eriksson Created)

ipdatabase 二叉树快速搜索IP地址数据库 数据 数据源采用2015年广告协会制定的IP地址标准数据库，中国互联网广告行业统一采用的标准IP库。 原理 利用二叉树实现IP查询，首先将10进制IPV4地址转化为二进制构建二叉树，利用二叉树搜索进行搜索，查询时间复杂度log2n，比传统IP库n的查询速度高出一个量级。(Ipdatabase Binary Tree Fast Search IP Address Database data The data source is the standard IP address database formulated by the Advertising Association in 2015, and the standard IP database adopted by the Internet advertising industry in China. principle The binary tree is used to realize IP query. Firstly, the 10-bit IPV4 address is converted into binary to construct a binary tree, and the binary tree search is used to search. The query time complexity log2n is one order of magnitude higher than that of traditional IP library n.)

以及在 mysql 数据库中索引的工作机制是什么？ 有哪些数据库优化方面的经验? 数据库三范式是什么? 各大厂数据库面试热门考题

说明：  springboot mybatis开发基本类生成项目代码(Springboot mybatis develops basic classes to generate project code)