原创 Hadoop(Day04) -- ZooKeeper
一.Introduction Apache ZooKeeper is a software project of the Apache Software Foundation. It is essentially a distrib
2020-06-16 05:01:06
原创 The advance of Java -- Servlet, Jsp(Day08)
1. Servlet: ①Request Path: (1)Get: parameter are stored in url of data package, we can see them on browser (2)Post: the
2020-06-16 05:01:06
原创 Hadoop(Day06) -- MapReduce, Eclipse
一.Introduction MapReduce Introduction(Wiki) 二.Eclipse + MapReduce 1.Setting 2.Code: WordcountMapper.java: package co
2020-06-16 05:01:06
原创 MySQL(Linux & Win10) -- Linux,Xshell,Navicatt,MySQLWorkBench(Day01)
一.MySQL 5.6.25(Linux) 1. Linux ① Install vmware: (1) choose centos 64; (2) memory 2048MB; (3) hard disk 80G; ② Install
2020-06-16 05:01:06
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原创 解決SonarQube安裝問題
無論你安裝的什麼版本，一定一定首先要看官方文檔。 1.比如我是7.6，官方說要創建一個空的schema和sonarqube用戶，結果我創了個sonar用戶，死活起不來，最後根據官方文檔，終於成功了。 2.如果MySQL的my.ini文件以
2020-06-16 05:01:06
原创 Hadoop(Day05) -- Win10, HDFS, Eclipse
一.Installation: 1.Unzip hadoop 2.Copy one and put it under C:\ 3.Unzip hadoop.dll and winutils.exe and put them under C
2020-06-16 05:01:06
原创 Java project -- Shopping(Day12)
一.Preface:We tend to design a shopping website like TaoBao, realizing the simplest function, such as add, delete, updat
2020-02-25 11:35:35
原创 Hadoop(day01) -- Tomcat(Linux), Jdk(Linux) (), JVM
(First: VMWARE-LINUX(CENTOS/6.5/6.6)) 一.Jdk: 1.Delete old jdk: 2.add tomcat.tar.jar.gz: 3.tar and mv: 4.configure en
2020-02-25 11:35:35
原创 The advance of Java -- SpringMVC, SpringMyBatis(Day11)
一.MVC:1.Model: Responsible for business logic, including business processing and business data processing,Such as Servi
2020-02-25 11:35:34
原创 The advance of Java -- JDBC(Day09)
JDBC(Java Database Connectivity) ①JDBC only define interface, the detailed realization is responsible for database comp
2020-02-25 11:35:34
原创 Big Data(day02) -- Architecture, V pattern, Wireless transmission, Design pattern
一.Architecture View 1.Logical View -- User 2.Development View -- Developer Engineering 3.Physical View -- OPS Engineeri
2020-02-25 11:35:24
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原创 The advance of Jave -- Socket, Class Loading, Reflect, AOP(Day06)
1. Socket: jave uses object of socket as the channel between the Server and Client. when they connected successfully, s
2020-02-25 11:35:24
原创 The advance of Java -- Jsp, Spring(Day10)
一. JSP: 1. EL(Expression Language): Replacing <%=> Expression: ${} 2. JSTL(JSP Standard Tag Library): Tag: <c:if>: <c:i
2020-02-25 11:35:24
原创 Hadoop(Day07) -- MapReduce(Day 02), Eclipse
一.Version： 1.MapReduce(v1.0): 2.MapReduce(v2.0): 二.Code: Example: 1.Counting the data of phone (partition): FlowBea
2020-02-25 11:35:24
原创 Hadoop(Day03) -- Introduction, Installation
一.Preface 1.What is mass data processing: There is a large amount of data, different data complexity, different size of
2020-02-25 11:35:24