Forest Rain Case--Analysis of Taobao Fake Data

Data Analysis and Forecast of Taobao Shuang11 Dead work: software tool The system and software involved in this case: Linux System (CENTOS 7) MySQL Tomcat(7.0.9) Hadoop(3.2.0) Hive(2.3.5) Sqoop(1.4.6) ECharts(4.5.0) Idea(2019.1.3) Spark(2.3.1)          ...

Posted on Thu, 23 Jan 2020 01:15:49 -0800 by designedfree4u

2. Hive installation tutorial

VX: Data Science Lecture 1. Prepare hive installation package Download the hive installation package according to the 1.1 tutorial 1.1 download hive Download address After opening the download address, click apache-hive-1.2.2-bin.tar.gz as shown below to download 1.2 upload hvie installation package Based on our previous environment installati ...

Posted on Wed, 22 Jan 2020 09:20:36 -0800 by $var

Spring boot series uses Mybatis to integrate pagehelper paging plug-in and mapper plug-in

Preface In Article 11 of the spring boot series( Accessing the database using Mybatis ), we have experimented with the development process of generating plug-ins by combining spring boot with Mybatis and Mybatis generator. In fact, there are many excellent and easy-to-use plug-ins for Mybatis, such ...

Posted on Tue, 21 Jan 2020 23:50:57 -0800 by icon4tech

MySQL: MySQL installation under Linux

If you have any problems, please correct them. Thank you very much! MySQL installation steps under Linux 1. Download the installation package 2. Inspection before installation 3. Formal installation 4. Installation problems and Solutions 5. reference 1. Download the installation package Download ...

Posted on Sun, 19 Jan 2020 21:11:58 -0800 by fuzzy1

More elegant use of limit (the effect of limit on the performance of mysql data query)

More elegant use of limit (the effect of limit on the performance of mysql data query) This paper re typesetting based on zhangyachen Source: zhangyachen https://github.com/zhangyachen/zhangyachen.github.io/issues/117 I. Preface First of all, explain the MySQL version: mysql> select version() ...

Posted on Sun, 19 Jan 2020 01:44:13 -0800 by lynncrystal

python builds IP pool

It is said that the title is the soul of the article. After thinking for a long time, I didn't think of any more creative title, so I had to Baidu one. Ha ha ha ha ha ha, I'm so smart This is an article about how to use python to build IP pool. If Ai Qing is not interested in it, I'm sorry that the titl ...

Posted on Sun, 19 Jan 2020 00:26:12 -0800 by JMulligan

[probably the best in the whole network] summary notes of MySQL advanced introduction

view Meaning: MySQL started from version 5.0.1. It is a virtual existing table. The data of rows and columns comes from the tables used in the query defining the view. It is generated dynamically when using the view. Only the sql logic is saved, and the query results are not saved. Application scenari ...

Posted on Sat, 18 Jan 2020 23:00:45 -0800 by monk.e.boy

Spring Boot 2.X: integrated mybatis plus efficient development

Preface This paper introduces the operation of adding, deleting, modifying and querying the database by integrating Mybatis with SpringBoot, and gives two ways to implement the mapper interface: xml and annotation. Although the annotation method kills the xml file, it is not elegant to use. This paper will introduce the common examples of mybat ...

Posted on Thu, 16 Jan 2020 21:50:24 -0800 by Chrisj

Django practice - personal blog website

After watching Django video in a week, it took two days to finish it Watching the progress of video learning is too fast, so flask and ajax are not very useful. Do a good job of this project and review it later. django is a kind of knowledge that can be consolidated immediately after learning. It's re ...

Posted on Thu, 16 Jan 2020 06:07:01 -0800 by darence

Pure jdbc operation oracle database migration to mysql database (test 2000 tables, single table data more than one million, no OOM)

Article directory Preface Thinking before coding Realization demo structure Introducing dependency Implementation class optimization Source code Preface Data migration is always troublesome. If there is a need for oracle to mysql, data migration is a big problem Before data migration, baidu ha ...

Posted on Wed, 15 Jan 2020 04:14:48 -0800 by rudibr