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Online course selection management system based on SSM framework: a powerful tool to improve the efficiency of educational administration management in colleges and universities

Other projects: Design and implementation of seismic data processing software based on Linux, click on the author's homepage Catalog 1 System Introduction With the development of the information age, design and implementation of seismic data processing software based on Linux, the Internet has made people's lives more and more convenient. In recent years, in the face of the new enrollment expansion policies of major colleges and universities, the number of middle school students in various colleges and universities has suddenly increased, and the corresponding school academic staff will also face a shortage. This has reduced the difficulty for academic staff in managing the course selection information of middle school students. , the traditional course selection in previous years was gradually eliminated because it was a waste of manpower and material resources. At this time, the emergence of the online course selection management system will promote the increasingly standardized course selection management behavior of middle schools, thereby greatly reducing the casualness of middle school course selection management in previous years and greatly improving the efficiency of course selection management.

Jul 18, 2024 am 10:10 AM

Detailed explanation of Elasticsearch's basic friend Logstash

Logstash is a powerful data processing tool that can realize data transmission, format processing, formatted output, and has powerful plug-in functions, which are often used for log processing. 1. Principle Input can extract data from files, storage, and databases. Input has two options. One is to hand it over to Filter for filtering and pruning. The other is to hand it directly to OutputFilter to dynamically convert and parse the data. Data information can be filtered and trimmed in a customized way. Output provides many output options. You can send data to the place you want to specify, and can flexibly unlock many downstream use cases. 2. Installation and use 1. Install wgethttps://artifacts

Jul 18, 2024 am 06:56 AM

Linux Linux系统红帽 Linux命令 linux认证红帽linux linux教程 linux视频

Introduction to Spring Boot in Java

Spring Boot: Spring Boot is a powerful framework for building Java-based, production-grade applications with minimal effort. It simplifies the development process by providing a set of conventions and defaults for common use cases, allowing developer

Jul 18, 2024 am 06:12 AM

Nginx+Tomcat deployment operation of Angular+javaweb project

Initially, I used ngbuild-prod-aot to compile and package. Note here that since it is now officially built-in, you only need to enter ngbuild–prod when packaging. Here you can compare it with the size of my project: ngbuild: 8,348,761 bytes ngbuild–aot: 9,232,405 bytes ngbuild–prod: 1,839,811 bytes ngbuild–prod–aot: 1,839,811 bytes Finally, it can be seen that ngbuild–prod can be completed. Minimum packaging for productization. I don’t understand something here. The pre-compiled build is larger than the regular build. I hope it will be bigger.

Jul 16, 2024 pm 12:41 PM

Linux Linux系统红帽 Linux命令 linux认证红帽linux linux教程 linux视频

How to upload files to image server in Tomcat container on Linux

A recent project requirement is to upload files to a picture server. The picture server is a tomcat container deployed on Linux. The Linux system uploads files. Not much to say about Linux e-books. Just code a tool class. Done: packagecom.supermap.sbsm.util;importcom.jcraft.jsch.Channel;importcom.jcraft.jsch.ChannelSftp;importcom.jcraft.jsch.JSch;importcom.jcraft.jsch.Session;

Jul 11, 2024 pm 06:35 PM

Analyze N ways to optimize Tomcat performance

Tomcat is often the default development environment for JavaWeb practitioners, but the default configuration of Tomcat as a production environment, especially the configuration of memory and threads, is very low by default and can easily become a performance bottleneck. Fortunately, Tomcat still has a lot of room for improvement. Below Let’s introduce Tomcat optimization, which can be divided into memory, thread, and IO. Tomcat is often the default development environment for JavaWeb practitioners. However, Tomcat’s default configuration as a production environment, especially the configuration of memory and threads, is very low and easy by default. It has become a performance bottleneck. Fortunately, Tomcat still has a lot of room for improvement. The following introduces Tomcat optimization, which can be divided into memory, threads, and IO. 1:

Jun 14, 2024 pm 09:10 PM

Linux Linux系统红帽 Linux命令 linux认证红帽linux linux教程 linux视频

Teach you Tomcat URL rewriting

Preparation for the early installation of JDKyuminstalljava-1.8.0-openjdk-develvim/etc/profile.d/jdk.shexportJAVA_HOME=/usr/java/latest#First define the environment variable of JAVA_HOME exportPATH=$JAVA_HOME/bin:$PATH#and then append./ etc/profile.d/jdk.sh install tomcatyuminstalltomcattomcat-admin-webapps.noarch\tomcat-webapps.noarcht

Jun 13, 2024 pm 07:29 PM

Linux Linux系统红帽 Linux命令 linux认证红帽linux linux教程 linux视频

Tutorial on using useradd and passwd commands in Linux system

#useradd–d/usr/sam-msam This command creates a user sam. The -d and -m options are used to form a home directory /usr/sam for the login name sam (/usr is the default user directory. parent directory). Assume that the current user is sam, then the following command changes the user's own password: #passwdOldpassword:******Newpassword:*******Re-enternewpassword:**********if it is super User, you can specify a password for any user using: #passwdsamNewpassword:*******Re-en

Jun 12, 2024 pm 10:36 PM

How to choose the appropriate Java framework to maximize development efficiency?

Learn how to choose a Java framework to improve development efficiency: Spring Boot is suitable for fast web applications, with simple configuration and convenient integration. Quarkus is purpose-built for cloud-native applications, with fast startup times and native support for container technology. PlayFramework is a full-stack framework for building web applications and APIs with rich features. Hibernate is an ORM framework that simplifies persistence operations and allows the use of Java classes to interact with the database. Selection criteria include application type, performance requirements, team skills, and ecosystem support. Practical cases demonstrate the use of SpringBoot to build web applications and Quarkus to build

Jun 06, 2024 am 11:12 AM

框架 Java

The role of Java frameworks in modern DevOps

Java frameworks play a key role in modern DevOps practices, simplifying development and deployment and improving quality through pre-built components, conformance standards, automated tasks, and scalability. Specific benefits include: Code reuse Consistency and standardization Improved efficiency Scalability

Jun 05, 2024 pm 10:01 PM

DevOps Java框架

How does the Java framework simplify deployment and operation and maintenance?

The Java framework simplifies the deployment and operation of Java applications by providing out-of-the-box functionality (database connection pooling, web server integration, error handling, etc.) and simplified configuration interfaces (such as Spring's annotation configuration), allowing developers to Focus on business logic and ensure application robustness and maintainability.

Jun 05, 2024 pm 08:45 PM

Java框架部署运维

What are the open source and commercial options for java frameworks?

Java framework selection: Open source: Spring Framework, Hibernate, Junit, Apache Tomcat. Commercial: JBossEAP, OracleWebLogicServer, IBMWebSphereLibertyProfile. The choice depends on application needs: open source offers flexibility, commercial offers enterprise-grade functionality.

Jun 05, 2024 pm 08:12 PM

开源商业 Java框架

What are the open source alternatives to java frameworks?

A large number of open source alternatives are available in the Java ecosystem to deal with certain limitations of the framework: Spring Framework alternatives: Micronaut, Quarkus, HelidonHibernate alternatives: JOOQ, MyBatis, EclipseLinkLog4j alternatives: Logback, SLF4J, ApacheCommonsLoggingMaven alternatives: Gradle, ApacheIvyJakartaServletAPI Alternatives: Netty, Undertow, TomcatHttpAsyncServer Example: SpringBoot

Jun 05, 2024 pm 06:19 PM

Java框架开源替代品

What are the advantages of the Java framework in practical applications?

The advantages of Java framework in practical applications are mainly reflected in modularization and reusability, code reuse, dependency injection and easy configuration. Specifically, modularity and reusability are reflected in the independent development and maintenance of components, improving code reusability; code reuse provides prefabricated solutions, reducing development time and costs; the dependency injection mechanism enables object dependencies to be injected into the runtime, improving flexibility stability and testability; easy configuration provides a centralized configuration mechanism, simplifying the configuration process and making it easy to change the configuration.

Jun 05, 2024 pm 04:48 PM

Java框架实际应用优势