Programmer Think

A simple cool special effects page (html+css+js with source code) - a 3D picture demonstration Preface1. Display of page effects2. Functional Description 1. Open the page and all pictures will rotate automatically2. The size and interval of the picture can change with the roll of the mouse wheel3. Hold down the mouse anywhere ...

An InterruptException occurred when the RocketMQConsumer service was shut down Background summary The main problem is the version upgrade Old version core rocketmq dependency <dependency> <groupId>org.apache.rocketmq</groupId> <artifactId>spring-boot-starter-rocketmq</artifactId> <version>${ve ...

Process: the front end sends the avatar, the back end receives it, and then creates the avatar under the class path of the project, then puts the address of the avatar into the database, updates the user's Avatar, and then returns the user information. The front end receives the user information, obtains the avatar address, and accesses the ava ...

I Implementation mode of scheduled task Implementation method of scheduled task: Java comes with Java util. Timer class, which allows you to schedule a Java util. TimerTask task. In this way, you can make your program execute at a certain frequency, but it can't run at a specified time. Generally used less, this article will not be introduced ...

1, Role inheritance Generally speaking, there are relationships between roles, such as ROLE_admin generally has the authority of admin and user. So how to configure this role inheritance relationship? In Spring Security, developers only need to provide a role hierarchy. for example SpringBoot_ Management (II) As an example, assume ROLE_dba ...

What is magic API? Magic API is a rapid interface development framework based on Java. The interface will be written through the UI interface provided by magic API and automatically mapped to HTTP interface. Common HTTP API interface development can be completed without defining Java objects such as Controller, Service, Dao, Mapper, XML and VO ...

In the previous article Analysis of the whole process of using hystrix from feign In, the workflow of springboot startup is explained in detail through a figure. I haven't enjoyed it yet. Today, I will analyze the instantiation process of beans and how spring solves circular dependency in detail. The following figure related to bean instantiati ...

About RabbitMQ RabbitMQ is an open source message broker software (also known as message oriented middleware) that implements the advanced message queuing protocol (AMQP). RabbitMQ server is written in Erlang language, and clustering and failover are built on the framework of open telecommunications platform. All major programming language ...

background MinIO is the world's leading object storage pioneer, with read / write speeds of 183 GB / s and 171 GB / s on standard hardware. MinIO is used as the main storage of cloud native applications. Compared with traditional object storage, cloud native applications need higher throughput and lower latency. By adding more clusters, you ca ...

Condition true is returned if the condition is met, and false is returned if the condition is not met @FunctionalInterface public interface Condition { boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata); } Several sub interfaces and classes Condition has several sub interfaces and classes, and its functions are exte ...