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Graphviz draw linked list Writing purpose Originally, I wanted to be lazy. For the drawing of linked list, I wanted to draw it on A4 paper, then take a photo as electronic data, and then store it. However, considering my font "catch chicken", I didn't want to save it in the photo album or upload the photo to a hardware medium for st ...

1. Create a group 2. Create an item and configure the item to belong to a group 3. Create users, set passwords, and assign groups to users 4. Other users log in to Gitlab Turn off the registration function 5. The administrator assigns items to other users 6. View fzmyw user items 7. Basic use of gitlab HTTP push code (ro ...

Previous: SpringCloud 2020-SpringCloud config distributed configuration center (note) 1. Message driven overview 1.1 INTRODUCTION Shield the differences between the underlying message middleware, reduce the switching version, and unify the programming model of message Official website: https://spring.io/projects/spring-cloud-stream h ...

Frame introductionAccording to the Convention, first introduce the protagonists of this issue: ShardingCore A high-performance, lightweight solution for reading and writing separation of tables and databases under ef core, with zero dependency, zero learning cost and zero business code intrusionThe only fully automatic sub table and multi field ...

1. What is middleware and how it works A mechanism of embedding the hook / response in the middleware. It is an underlying plug-in system that can modify the global input and output of django. let me put it another way The working principle of HTTP Web server is generally to accept the request sent by the user and then give a response. Djang ...

MySQL data synchronization scheme practice   prepare MySQL 5.6Canal 1.0.24Kafka 1.0.0Zookeeper 3.4.11Spring BootJDK 8IntelliJ Idea 14.1.7 background In practice, it is common for multiple systems to use the same user and other business data. With the iterative development of requirements, the number of systems increases. The business data c ...

Simple book management system (SSM framework) preface A simple book management system implemented with SSM framework. First, unify the development environment. We use jdk1 8. mysql database. 1, Environment construction 1. Database and table building Create a new database. The database name is ssmbulid. The database establishes a table ...

There are currently three articles in this series, which will be updated laterComprehensive application example of WebRTC VideoEngine (I) -- basic process of video callComprehensive application example of WebRTC VideoEngine (II) -- integrated OPENH264 codecComprehensive application example of WebRTC VideoEngine (III) -- integrating X264 coding ...

In the Java language, concurrent programming is realized by creating thread pools, and there are many ways to create thread pools. Each way of creating thread pools corresponds to different usage scenarios. Generally speaking, the creation of thread pools can be divided into the following two categories: Manually create a thread pool through T ...

Basic java learning -- Chapter 2 basic Java syntax 1, Keywords and identifiers 1. Definition of identifier All places where you can name yourself are called identifiers, such as class name, variable name, method name, interface name, package name 2. Naming rules of identifiers (if it is not complied with, the compilation fails) It consists of ...