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It is recommended to collect 100 Linux interview questions with answers

This article has a total of more than 30,000 words, covering Linux overview, disk, directory, file, security, syntax level, practical combat, file management commands, document editing commands, disk management commands, network communication commands, system management commands, backup compression commands, etc. Dismantling Linux knowledge points.

Aug 23, 2023 pm 02:37 PM

java面试题

How to solve Java file upload size limit error exception (FileUploadSizeLimitExceededErrorExceotion)

How to solve Java file upload size limit error exception (FileUploadSizeLimitExceededErrorExceotion) In web development, file upload is a common functional requirement. However, the file upload function in Java has a file size limit by default. When the uploaded file size exceeds the limit, the FileUploadSizeLimitExceededErrorExceotion exception will be thrown. Book

Aug 19, 2023 pm 09:51 PM

文件上传Java解决方法：大小限制

Understand current limiting and common solutions in ten minutes!

Recently, I received interview feedback from several netizens, and they were all asked questions related to current limiting during the interview. Let’s talk about various current limiting solutions in our project today.

Aug 15, 2023 pm 04:15 PM

限流

Spring Boot+MyBatis+Atomikos+MySQL (with source code)

In actual projects, we try to avoid distributed transactions. However, sometimes it is really necessary to do some service splitting, which will lead to distributed transaction problems. At the same time, distributed transactions are also asked in the market during interviews. You can practice with this case, and you can talk about 123 in the interview.

Aug 15, 2023 pm 04:12 PM

mysqlspring bootmybatis

Use Webman to build multi-platform compatible social network applications

Use Webman to build multi-platform compatible social network applications. With the rapid development of mobile Internet, social network applications have become an indispensable part of people's lives. Whether through computers, mobile phones or tablets, users are eager to stay in touch with friends, family and colleagues anytime and anywhere, and to share their lives and thoughts. To meet this need, we can use tools like Webman to build a multi-platform compatible social network application. Webman is a powerful web development framework that allows us to

Aug 12, 2023 pm 06:04 PM

多平台兼容Webman构建社交网络应用

What is the difference between java web and java

The difference between java web and java: 1. At the development level, Java Web is mainly the development of Web applications, while Java is mainly the development of desktop applications or command line tools; 2. Technology stack, Java Web requires mastering a series of related technologies. Java prefers the use of Java core language applications and development frameworks; 3. Architecture mode. Java Web usually adopts a three-tier architecture, and Java can choose different architecture modes according to needs; 4. Deployment methods, etc.

Aug 09, 2023 pm 03:22 PM

java webjava

How to use Java to implement the audio and video upload function of CMS system

How to use Java to implement the audio and video upload function of the CMS system. With the popularity and development of the Internet, the demand for audio and video content continues to grow. As part of the content management system (CMS), the audio and video upload function has become a necessary skill for developers. This article will introduce how to use Java language to implement the audio and video upload function of CMS system, and provide code examples for reference. 1. Preparation work Before starting to write code, we need to do some preparation work. Determine the storage method: We need to determine the storage method of audio and video files.

Aug 04, 2023 pm 05:10 PM

JavaCMS系统音视频上传

How to use automated deployment tools in Java to achieve continuous delivery and automated deployment?

How to use automated deployment tools in Java to achieve continuous delivery and automated deployment? With the continuous development of software development, a large number of applications need to be frequently released to the production environment. In order to increase the delivery speed and reduce deployment errors, the use of automated deployment tools has become increasingly important. As a widely used programming language, Java also provides many automated deployment tools, such as Maven, Gradle, and Jenkins. This article will introduce how to use automated deployment tools in Java to achieve continuous delivery and

Aug 03, 2023 pm 05:43 PM

Java持续交付自动化部署

How to build a java online website

How to build a java online website: 1. Choose appropriate development tools and environment; 2. Design website architecture and create projects; 3. Develop website functions; 4. Test and deploy the website.

Aug 03, 2023 am 10:25 AM

java

The 30 most popular open source software among IT companies

More and more IT companies are open to open source. On the one hand, with excellent open source projects, there is no need to reinvent the wheel and can be used directly. On the other hand, their own companies have excellent self-research projects. In order to develop Changzhang can choose to open source the project so that more developers can participate and work together to improve the functionality of the software!

Aug 02, 2023 pm 05:31 PM

开源软件

See all Nginx in one small picture

The function of the location directive is to execute different applications according to the URI requested by the user, that is, to match the website URL requested by the user. If the match is successful, relevant operations will be performed.

Aug 02, 2023 pm 05:28 PM

nginx

109 practical shell script examples, the code is clear and easy to use!

Shell scripts use the command interpretation function of Shell to parse a plain text file and then execute these functions. It can also be said that a Shell script is a collection of a series of commands.

Aug 01, 2023 pm 05:43 PM

linuxlinux shell

How to solve the database connection pool initialization timeout exception in Java development

The use of database connection pools is a common technical requirement in Java development. Managing database connections through connection pools can improve system performance and concurrent processing capabilities. However, in actual applications, we sometimes encounter the problem of database connection pool initialization timeout exception. This article will introduce the cause and solution of this problem. 1. Cause of the problem The database connection pool initialization timeout exception is usually caused by waiting for the number of connections to reach the maximum value and being unable to obtain available database connections when the database connection pool is initialized. This situation usually occurs when

Jul 03, 2023 pm 11:49 PM

初始化数据库连接池超时异常

Common database connection timeout and disconnection problems in Linux systems and their solutions

Common database connection timeout and disconnection problems in Linux systems and their solutions [Introduction] With the rapid development of the Internet, a large number of applications need to interact with databases to achieve data storage, query and other operations. In Linux systems, database connection timeout and disconnection problems are one of the common technical problems. This article will analyze this problem and explore its causes and solutions. [Source of the problem] Database connection timeout and disconnection problems are usually caused by the following aspects: long-term idle connection when a database

Jul 02, 2023 pm 12:22 PM

解决方法数据库连接超时断开