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1, Experimental purpose   1.1 understand the concepts of process control block and process queue.   1.2 master the processing logic of process priority scheduling algorithm and time slice rotation scheduling algorithm. 2, Experimental content    2.1 design the structure of process control block PCB, which is applica ...

Some basic concepts of object-oriented Software engineering Sixth Edition The following are the essence of object-oriented, well absorbed, completely mastered. Take a Circle as an example. It has radius, perimeter, color and position. Now we have three different circles, and each Circle is a different object. But they all have the same ...

catalogue Enumeration operation Enumeration operation Enumerating supported operations You can use logic, set relationships, and string comparison operations on enumerations. These operations also allow enumerations to be used in conditional statements, such as switch and if statements. The converter can use char vectors and string cell ...

Author: is he Tiantian there\Source: Juejin cn/post/6844904101483020295A previous article briefly introduced MDC. This time, we will have an in-depth understanding of MDC in combination with specific cases and specific problems in production.Introduction to MDC1. Introduction:MDC (Mapped Diagnostic Context) is a function provided by log4j, logb ...

📑 Content of this article: 23 design patterns. This column allows you to learn how to beat me - behavioral model - strategic pattern 📘 Article column: There are 23 design patterns in Java 🎬 Last updated: January 2, 2022 23 kinds of design patterns this column allows you to learn so hard that you won't beat me - structural model (Part I) - a ...

Single point timed taskJDK nativeSince jdk1 After 5, ScheduledExecutorService is provided to replace TimerTask to execute scheduled tasks, which provides good reliability.public class SomeScheduledExecutorService {     public static void main(String[] args) {         //Create a task queue with a total of {10 threads         ScheduledExecutorSer ...

installinstallnpm install -g typescriptOpen project foldertsc -initcompiletsc ts01.tsListening and compilingtsc -wListen and compile a filetsc -w ts01.tsModify the location and target syntax of the compiled JSOpen tsconfig JSON, modify the value of outDir and uncomment it{ "compilerOptions": { "target": "es3", "outDir": "./js/" } }I ...

This article is basically CentOS 6 10,postfix2. eleven point one one postfix client based access control Client based access control postfix has built-in various anti spam mechanisms, including the restriction of "client" sending e-mail. The client discrimination mechanism can set a series of discrimination conditions for customer i ...

When learning becomes a habit, knowledge becomes common sense. Thank you for your attention, likes, collections and comments.The new video and articles will be sent to WeChat official account for the first time. Li YongningThe article has been included in github warehouse liyongning/blog , welcome to Watch and Star.Special instructionsDue to th ...

Introduction: Mybatis plus is an enhanced tool of Mybatis. After using Mybatis plus, we can not only use the unique functions of Mybatis plus, but also use the native functions of Mybatis normally. It provides some interesting plug-ins to simplify development and improve development efficiency, such as SQL performance monitoring, optimistic lo ...