mycat Read-Write Separation+Base Subtable+Global Table

1. mycat Read-Write SeparationMycat's read-write separation is based on the master-slave replication of Mysq #Modify ProfileSchema.xml <?xml version="1.0"?> <!DOCTYPE mycat:schema SYSTEM "schema.dtd"> <mycat:schema xmlns:mycat="http://io.mycat/"> <schema name="TESTDB" checkSQLschema="false" sqlMaxLimit="100" data ...

Posted on Sun, 21 Jun 2020 18:01:58 -0400 by fellixombc

MyBatis Series Part 5: MyBatis cache

  1. What is MyBatis caching? Using MyBatis cache can reduce the number of interaction between java application and database. From this point of view, its benefits are the same as using MyBatis to delay loading, which can improve the running efficiency of the program to a certain extent. For exampl ...

Posted on Sun, 21 Jun 2020 02:58:54 -0400 by springo

[emergency shelter] mybatis can use XML and annotation at the same time

[emergency shelter] mybatis can use XML and annotation at the same time Put the conclusion first How do you use it? Mode 1 Mode 2: Mode 3: be careful: Cause analysis Reason for the establishment of mode 1 Limitations of mode 2 Reasons for the establishment of mode 3 be careful Put the conclu ...

Posted on Sun, 21 Jun 2020 02:13:16 -0400 by KashKurcura

Python disk Commemorative Coin Series Part 2: YoloV3 identification verification code

Recently, Wuyishan currency has to start making an appointment. There are many friends in the official account background who are consulting me and exchanging scripts. In line with the idea of technical exchange, the previous code was re combed, and it was found that the success rate of identification and verification code was not as high as ex ...

Posted on Sun, 21 Jun 2020 01:27:49 -0400 by BhA

Spring Boot multi module development and pit drainage guide none in history

Recommended reading: How to improve the core competitiveness of Java engineers who have worked for 1-5 years                   Ali architect said: "no real combat is just talking on paper"! Redis live PDF sharing                   Working hard for more than half a year, Ali finally got hi ...

Posted on Sat, 20 Jun 2020 04:52:25 -0400 by canadian_angel

The second part of MyBatis series: building Maven project operation database table

1, ORMpping interpretation ORMpping: object relationship mapping. Object: refers to the object in Java, object-oriented thinking; relationship: refers to the relational database, here refers to the MySQL database. For the mapping of Java objects to MySQL tables, developers can manage the ...

Posted on Sat, 20 Jun 2020 01:58:05 -0400 by spajetty

Introduction to CAT minimalism (application monitoring platform)

1. Overview Lazy tips: CAT official documents - simplicity It's been written very well. Here's a great way to use direct CV~ CAT(Central Application Tracking) It is a real-time application monitoring platform developed based on Java, which provides a comprehensive real-time monitoring and alarm ...

Posted on Sat, 20 Jun 2020 00:40:37 -0400 by callmubashar

[Unity] Unity embedded Web Mining record - ULiteWebView

[Unity] Unity embedded Web Mining record - ULiteWebView preface The project needs to require Unity project to interact with H5, which is really difficult for me. However, the good thing is that the Kung Fu is not inferior to the intentional people. After constant exploration, they have found a solut ...

Posted on Fri, 19 Jun 2020 05:45:31 -0400 by phpusers

How to convert Log4j to logback without Log4j

Custom Catalog title is written here Fix the vulnerability, remove Log4j and introduce logback 1 background 2 difficulties 3 Introduction to components 3.1 code structure 3.2 description of key categories 3.2.1 ClassOfCallerConverter.java 3.2.2 MethodOfCallerConverter.java 3.2.3 LineOfCallerConver ...

Posted on Fri, 19 Jun 2020 04:32:09 -0400 by mhewall

File upload and Tomcat mapping path setting of Spring MVC

File upload and Tomcat mapping path setting of Spring MVC catalog File upload and Tomcat mapping path setting of Spring MVC summary: To configure MultipartResolver: Tomcat configuration Configuration of tomcat deployment in IDEA Controllers and pages: Results: summary: Spring MVC provides ...

Posted on Fri, 19 Jun 2020 01:07:28 -0400 by w4designs