Course Intermediate  11449

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17735

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Advanced  11438

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

Course Introduction：Generally speaking, NoSQL databases such as MongoDB are more popular among Node developers. However, which database management system you choose depends entirely on your use cases and choices. The type of database you choose depends primarily on the needs of your project. For example, if you need to create tables or insert and process large amounts of data in real time, a NoSQL database is a good choice; whereas if your project involves more complex queries and transaction processing, a SQL database makes more sense. In this article, we will explain how to connect to MySQL and create a new table in it. Install NPMMySQL dependencies Here are the steps to check your application’s connection to the MySQL database. Create a project of your choice and navigate to it. &gt

2023-09-02 comment 0  1250

Course Introduction：Django is a popular pythonWEB framework that provides comprehensive tools for developing robust and maintainable web applications. This tutorial will guide you through building a great and functional web application using DjanGo, covering every aspect from setting up your project to deployment. Set up a Django project: Install Django: Use pip to install Django. Create a project: Use the django-admin command to create a Django project. Create an application: Use the startapp command in the created project to create an application. Django Model: Defining a model: A model describes the data structure and behavior in the database. Model fields: Various field types are used to store different types of data.

2024-03-28 comment 0  1186

Course Introduction：Introduction JavaJUnit is a popular unit testing framework for writing and running unit tests in Java applications. Unit testing enhances code quality and reliability by verifying that each unit (class, method, or function) works as expected. This article is designed to guide you from a basic understanding of JUnit to becoming a proficient unit testing expert. Installation and Configuration To start using JUnit, you need to install it in your project. You can use the Maven or Gradle build tools or download the JUnitjar file manually. Configuring JUnit involves setting up the test executor and assertion library.

2024-02-19 comment 0  590

Course Introduction：Delayed static binding in PHP: flexible database queries Lazy static binding (LSB) is a feature in PHP that allows a subclass to reference a static property or method of its parent class using the static keyword. This makes it possible to implement dynamic behavior in classes, which is especially useful in inheritance and subclass functionality customization. The core of delayed static binding lies in the use of the static keyword: when the PHP interpreter encounters the static attribute when compiling a function, it will delay determining its value until runtime. The value ultimately comes from the class that calls the function. Application scenario: dynamic database query Suppose you are developing a web application with a database. You have a Database base class that contains the methods for interacting with the database

2025-01-16 comment 0  643

Course Introduction：Commonly used extensions for PHP include MySQL extension, SQLite extension, GD library, cURL extension, JSON extension, OpenSSL extension, Memcache extension, Redis extension, APCu extension and Xdebug extension. 1. MySQL extension, which allows developers to use PHP code to perform SQL queries, inserts, updates and delete operations; 2. SQLite extension, which is a lightweight embedded database suitable for small projects or personal use; 3. GD library , provides a series of functions to create, edit, etc.

2023-08-01 comment 0  2083