Programmer Think

About the configuration of multiple data sources, I have introduced the configuration of multiple data sources of JdbcTemplate with you. That is relatively simple. This article will talk about the configuration of multiple data sources of MyBatis with you. In fact, as for multi data sources, my attitude is the same as before. For complex data s ...

Suspicious object analysis The handling of suspicious objects can be compared with the event difference from several coordinate distances of their traces. If it is logical, it can be considered that the current object is not suspicious. If it is suspicious, save the result first and enter the suspicious object library. By acq ...

This is my first blog, please give me more advice! About a month ago, in the process of developing an APP with friends, we found a problem: image storage. Because there is no image data type in the database, we can't directly put the uploaded image into the database when the user needs to store it. After several days of exploration, combined wi ...

PHP+MySQL users register to send email to activate the account instance. The style of layui is simple and beautiful. 1. Register the email activation account and check whether the email has been registered. 2. Check whether the mailbox exists. Judge whether it is activated when the mailbox exists. If not, change the activation code and regist ...

1. What is a Distributed Configuration Center? To provide centralized external configuration support for microservices in the microservice architecture, the Configuration Center provides centralized external configuration for all environments of each microservice application (which may be difficult to understand, but to know what it means, y ...

Sometimes, we forget to add the parameter -- restart=always when creating the container. When the Docker is restarted, the container fails to start automatically, Now what about adding this parameter? There are two methods: 1. Docker command modification docker container update --restart=always container name 2. Directly change the configurat ...

Preface The goal of the Spring Data Jpa framework is to significantly reduce the amount of boilerplate code required to implement the data access layers of various persistent stores. The central interface in the Spring Data Jpa Repository abstraction is Repository. It needs domain entity class and domain entity ID type as type parameters for ma ...

The overall installation steps are as followshttps://blog.csdn.net/networken/article/details/80682437 The deployment linked to the queens version can be changed to the corresponding version (other version packages corresponding to the queens version need to be installed) In the process of deploying the network nodes in the link, ...

1. Binding method 1.1 method bound to class: @ classmethod decorator decoration method @classmethod is used for classes, that is, binding to classes,1. When the class calls the method, it will pass the class itself as the first parameter (self) of the class method2. When the object calls the method, it will also pass the class itself as the f ...

I. about Quartz Quartz is another open source project of OpenSymphony open source organization in Job scheduling field. It can be combined with J2EE and J2SE applications or used alone. In java enterprise applications, quartz is the most widely used timing scheduling framework. Main concepts in Quartz: Scheduler: the main API for scheduling ta ...