Programmer Think

Deploying K8s cluster using kubeadm on Ubuntu 20.04 LTS 1. Environmental Information MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports) macOS Big Sur Version 11.5.2 2.3 GHz Quad-Core Intel Core i7 16 GB MemoryVirtualBox 6.1.22 r144080Ubuntu 20.04.2 LTS server Although this experiment was conducted on Mac, it is still theoretically ap ...

Transaction propagation level combination description example Configuration class package transaction; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.datasource.DataSourceTransactionManager; im ...

1. Recursion Find duplicate Find a way to divideFind recursive formula or equivalent transformation Find change The variable is usually used as a parameter Find boundary Simple basic questions (practice three steps) Find the factorial of n public class demo01 { public static void main(String[] args) { int a = f1(4); System.o ...

Efficient and happy development of uniapp with vscode Because I used to use vscode to develop front-end projects before, now some small programs or h5 projects are developed using uniapp. After experiencing hbuiler for a period of time, I still feel that vscode is fragrant. Here are some configurations I developed using vscode. It includes the ...

preface Front end usage: vue/cli "^ 4.5.15" Back end usage: springboot2 6.2, mybatis-plus3. 5.9,mybatis-plus-generator3. five point one Deployment: nginx,tomcat,webpack Summary Although the project is colorful, it is not difficult The biggest gains are: 1. Technical selection and task requirements Once determined, late changes ...

https://blog.csdn.net/m0_50546016/article/details/120070003 I ❤ Introduction to database and SQL ❤ Case insensitive 1. SQL classification SQL can be divided into two parts: data operation language (DML) and data definition language (DDL). ⭐ Data query language (DQL) ⭐ Data Manipulation Language (DML) Data definition language ...

@Bean s that Autowired can inject The source code of this article is based on spring-framework-5.3.10.Source location: org springframework. beans. factory. support. DefaultListableBeanFactory. findAutowireCandidates(String, Class<?>, DependencyDescriptor)This article focuses on how @ Autowired can select those beans for dependency inject ...

1.sequence basic operation symbols Symbolmeaning##Symbol used to indicate periodic delay 1.##n Indicates in n After two clock cycles,##0 means in the current cycle, i.e. overlapping cycle //One cycle after a is pulled up, b is also pulled up sequence a_b @(posedge clk) a ##1 b endsequence 2.##[min:max] indicates the clock cycle delay with ...

Scope Scope refers to the scope of a variableThere are two scopes in JS 1. Global scope The JS code written directly in the script tag is in the global scope Global scopes are created when the page is open and destroyed when the page is closed There is a global object window in the global scope, which represents a browser window. It i ...

Article catalogue 1. Axios post request 1.1 INTRODUCTION cases 1.1.1 front end JS1.1.2 post request parameter description1.1.3 AxiosController call 1.2 syntax description of common request types1.3 put request test 1.3.1 edit front-end JS1.3.2 editing AxiosController 1.4 cross domain description 1.4.1 homology strategy1.4.2 w ...