Presto introduction - deployment + ES and MySQL integration + Spring Boot integration + paging query + SQL performance optimization

Presto instructions 1, Presto introduction 1.1 official document address of Presto https://prestodb.io/docs/0.255/index.html Note: This is Presto-0.255 Version official document. If you want to refer to other versions, replace "255" with the corresponding version number. 1.2 schematic diagram of Presto architecture 1.2.1 Pres ...

Posted by phpwannabe25 on Sat, 06 Nov 2021 03:46:42 +0100

SpringBoot three configuration files

SpringBoot uses a global configuration file, the application.properties configuration file. The path of this file is placed under the src/main/resources / directory or under the class path, and the file name is fixed. The IDEA tool is created under the corresponding first directory by default. Since it is a global configuration file, you can mo ...

Posted by WebDesEyen on Fri, 05 Nov 2021 23:33:04 +0100

Maynor teaches you to complete a SPA commodity management system implemented by SpringBoot+Vue+Element (add, delete, modify and check)

Maynor teaches you to complete a SPA commodity management system implemented by SpringBoot+Vue+Element (add, delete, modify and check) preface I will get the complete code by private mail after three links~ I have completed the SPA commodity management system all morning. Please connect three times! Station B demo video Maynor ...

Posted by Snart on Fri, 05 Nov 2021 04:36:10 +0100

RabbitMQ switch section 03

Function: 1. Publish subscribe model 2. Routing model 3. Theme model 1 github: source code address 2 rabbitmq02 subproject <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0. ...

Posted by gigabyt3r on Thu, 04 Nov 2021 20:25:35 +0100

Actual combat of Spring Cloud microservice -- Construction of nacos Service Registry (with source code)

As one of the basic functions of microservices, the registry plays an important role. Microservices divide individual services into services under different modules, and what about communication calls for services of different modules? This requires service registration and discovery. This article will use Alibaba's open source project nacos to ...

Posted by FirePhoenix on Wed, 03 Nov 2021 07:03:36 +0100

springboot implements swagger Api file and log processing

My last article mentioned the @ deleteMapping request method, which also explained that this request method can not be tested in the browser, so I started the swagger explanation of this article, and briefly explained log processing by the way. First, let's take a look at what the swagger Api file looks like!   The following are some int ...

Posted by jdsflash on Wed, 03 Nov 2021 06:01:48 +0100

Use @ JSONField annotation in fastjason

In a recent project, the json format was used to transfer data between servers. However, it is found that json format data does not comply with the variable definition rules in JAVA and is difficult to understand. Therefore, secondary processing needs to be done in the background to process the data into the format defined in our system. Idea: ...

Posted by gtomescu on Mon, 01 Nov 2021 05:55:11 +0100

SpringBoot implements Excel import and export, which is easy to use, and POI can be thrown away

In our daily work, we often encounter the function of operating Excel, such as exporting an Excel report of user information or order information. You must have heard of POI, which can be realized. But the API implemented by POI is really troublesome. It needs to write line by line parsing code (similar to Xml parsing). Today, I recommend a ver ...

Posted by tysoncane on Sun, 31 Oct 2021 09:53:12 +0100

Learning and understanding the springboot framework

Handling exceptions through @ ControllerAdvice and @ ExceptionHandler annotations Note that the range of exceptions that @ ExceptionHandler can only handle is in this control class, which means that it is impossible to handle exceptions in other control classes. You can only add exception handling methods in each class, but one exception handl ...

Posted by meir4u on Sun, 31 Oct 2021 09:27:09 +0100

spring boot settings create user and modify user summary

home pagespecial columnspringbootArticle details0spring boot settings create user and modify user summaryHao Zelong_ HZ Published 2 minutes agoprefaceThe blogger took a long time to modify the settings and create users. This is also for the tutorial Decorator mode With a deeper understanding.Requirement descriptionThe createUser and updateUser ...

Posted by mwmobley on Fri, 29 Oct 2021 15:00:45 +0200