LNMP architecture deployment - follow up

Sketch:LNMP platform is the combined architecture of Linux, Nginx, MySQL and PHP. It requires Linux server, Nginx website server, MySQL database and PHP parsing environmentdetails Linux is a kind of Unix computer operating system, which is the most popular free operating system. Nginx is a high-performance HTTP and reverse proxy server with li ...

Posted on Wed, 06 Nov 2019 06:23:17 -0500 by argrafic

Mybatis source code mybatis excel framework

As we introduced in the previous chapter, Mybatis will convert all database operations into iBatis programming model, and operate the database through the facade class SqlSession. However, when we go deep into the source code of SqlSession, we will find that SqlSession does nothing, and it entrusts you with the database operations, as shown in ...

Posted on Tue, 05 Nov 2019 22:58:20 -0500 by elearnindia

[springboot development monomer web shop] 2. Mybatis Generator generates common mapper

Mybatis Generator tool After we start a new project, we usually have to write a lot of entity/pojo/dto/mapper/dao... Most of the R & D brothers will complain, why should I write CRUD repeatedly? In order to avoid writing some unnecessary repetitive code, this section introduces how to use an open-source tool to help us save from this simpl ...

Posted on Tue, 05 Nov 2019 19:42:12 -0500 by phpmoron

Mycat distributed database architecture solution -- detailed explanation of Server.xml

Echo editor, welcome to reprint, reprint please state the source of the article. Welcome to add echo wechat (wechat: t2421499075) for communication and learning Never lose in a hundred battles, never claim to win, never lose in a hundred defeats, and strive to move forward. ——This is really powerful!!! This file is a system config ...

Posted on Tue, 05 Nov 2019 14:10:34 -0500 by Pro Ninja

Python -- how to implement ORM with metaclasses

Metaclass implementation ORM ORM is the core idea of Django, "Object Relational Mapping", that is, Object Relational Mapping, which is used to simplify SQL operations, encapsulate database operations into classes, map table names into classes, map fields into properties, and map rows (data) into instances. ...

Posted on Tue, 05 Nov 2019 12:48:17 -0500 by tstout2

Mycat distributed database architecture solution -- details of schema.xml

Echo editor, welcome to reprint, reprint please state the source of the article. Welcome to add echo wechat (wechat: t2421499075) for communication and learning Never lose in a hundred battles, never claim to win, never lose in a hundred defeats, and strive to move forward. ——This is really powerful!!! This file is a system config ...

Posted on Tue, 05 Nov 2019 11:18:59 -0500 by kemu_

Solution of Mycat distributed database architecture

Echo editor, welcome to reprint, reprint please state the source of the article. Welcome to add echo wechat (wechat: t2421499075) for communication and learning Never lose in a hundred battles, never claim to win, never lose in a hundred defeats, and strive to move forward. ——This is really powerful!!! preparation: Please install ...

Posted on Mon, 04 Nov 2019 21:49:27 -0500 by Ausx

springBoot rapid integration Druid

brief introduction Druid is a database connection pool. Druid is currently the best database connection pool. Druid is a database connection pool developed by Alibaba called monitoring. springBoot rapid integration druid I. introducing druid dependency into pom files <!--Alibaba database connection pool --> & ...

Posted on Mon, 04 Nov 2019 17:04:18 -0500 by Jude

Jdbc Series VIII: batch processing

  when records need to be inserted or updated in batches. The batch update mechanism of Java can be used, which allows multiple statements to be submitted to the database for batch processing at one time. In general, it is more efficient than submission alone. The batch processing statements of JDBC include the fo ...

Posted on Mon, 04 Nov 2019 14:48:38 -0500 by ThunderLee

Repeated batch upload data processing

In this part, learn and practice SQL knowledge, and provide users to upload data in batches in the program. When uploading, there may be network interruption. Upload part of it and then upload again. There will be data duplication. Or how to modify or delete the original data in batches. Here is a simple example of Insus.NET. First, create a ...

Posted on Mon, 04 Nov 2019 11:33:26 -0500 by bagnallc