Course Intermediate  8619

Course Introduction：Redis is a key-value storage system. Similar to Memcached, it supports relatively more stored value types, including string (string), list (linked list), set (set), zset (sorted set - ordered set) and hash (hash type). These data types all support push/pop, add/remove, intersection, union, difference, and richer operations, and these operations are all atomic.

Course Intermediate  4094

Course Introduction：Tomcat is a Servlet container developed by the Jakarta project under the Apache Software Foundation. According to the technical specifications provided by Sun Microsystems, it implements support for Servlets and JavaServer Page (JSP), and provides some unique functions as a Web server, such as Tomcat Management and control platform, security bureau management and Tomcat valve, etc.

Course Intermediate  16515

Course Introduction："Comprehensive Analysis of Java Annotations" is an important online Java tutorial. In project development, annotations are used everywhere. The use of annotations simplifies the code and reduces the programmer's workload. This course leads students to have a comprehensive understanding of Java annotations, including why annotations are used, common annotations in Java, classification of annotations and how to customize annotations. Finally, a practical case is used to demonstrate the application of annotations in actual projects.

Course Intermediate  20935

Course Introduction："BootStrap Classic Case Analysis" This course was recorded by Beifeng.com. Bootstrap is based on HTML, CSS, and JavaScript. It is simple and flexible, making web development faster. Bootstrap provides elegant HTML and CSS specifications, which are written in the dynamic CSS language Less. Bootstrap has become very popular since its launch and has always been a popular open source project on GitHub.

Course Elementary  2613

Course Introduction：If you have any questions, please contact WeChat: Le-studyg; in-depth exploration of PHP source code and understanding of its internal working principles is the path to advancement for every PHP developer. This course will lead students to analyze the source code of PHP (php-src), and comprehensively analyze the underlying implementation of PHP from core language features to extension mechanisms. By analyzing the source code, students will gain an in-depth understanding of PHP's internal mechanisms, such as memory management, garbage collection, function calls, etc., thereby improving their understanding of PHP performance tuning and extension development. This course is suitable for developers who have a certain foundation in PHP and who want to deeply understand the internal principles of PHP and improve their technical level. Let us explore the source code world of PHP and uncover the mystery of PHP!

Course Advanced  8811

Course Introduction："PHP Underlying Code Analysis Video Tutorial" talks about the operating mechanism of PHP's underlying code and how PHP operates, giving you a deeper understanding of PHP.

Course Elementary  3010

Course Introduction：If you have any questions, please send us a message via WeChat: Le-studyg; This course aims to deeply explore how to use the Swoole extension to operate the database connection pool in the Laravel framework. The course will start with basic concepts, introduce the basic principles and usage of Swoole, and then focus on how to integrate with the Laravel framework. Students will learn how to configure and manage database connection pools to improve the performance and concurrency of database operations. The course will also cover actual case studies and best practices to help students better understand and apply this technology. Whether you are a Laravel developer or a developer interested in Swoole connection pool operation database, this course will open new doors for you to learn and practice.

Course Advanced  9398

Course Introduction："PHP Low-Level Analysis Video Tutorial" This video is recorded by Boolean Education. Analyzing the bottom layer of PHP can make it easier for us to understand PHP, and it can also make our memory of PHP deeper! ! It is very helpful for our PHP learning! !

Course Intermediate  11222

Course Introduction："MySQL Data Management Backup and Recovery Case Analysis Video Tutorial" MySQL is an open source small-scale relational database management system. Currently, MySQL is widely used in small and medium-sized websites on the Internet. Due to its small size, fast speed, low total cost of ownership, and especially the characteristics of open source, many small and medium-sized websites choose MySQL as their website database in order to reduce the total cost of website ownership.

Course Elementary  2647

Course Introduction：If you have any questions, please send us a message on WeChat: Le-studyg; the course content includes the basic features and concurrency model of Golang language, the basic concepts and architecture of Swoole framework, coroutines and asynchronous IO mechanisms of Golang and Swoole, network communication and event-driven models, and memory management. and resource scheduling, etc. Through an in-depth analysis of the core underlying principles of Golang and Swoole, you will understand their working methods and advantages in high-performance, high-concurrency scenarios, and learn how to use them to build high-performance, scalable applications.

Course Intermediate  4347

Course Introduction：This tutorial mainly focuses on the in-depth introduction of the JavaScript language itself and its surrounding languages, allowing you to gain a deeper understanding of the JavaScript language and related programming paradigms from both depth and breadth, and lay a solid foundation for front-end development to cope with the development of large-scale and complex applications. It also lays a solid foundation for later advanced content.

Course Elementary  3017

Course Introduction：If you have any questions, add WeChat: Le-studyg; in the course, we will first understand the background and characteristics of the PHP language, as well as the role and working principle of the PHP interpreter. Next, we will analyze the core components of the PHP interpreter in detail, such as lexical analysis, syntax analysis, virtual machine, etc., and gain an in-depth understanding of its internal implementation mechanism. In addition, the course will also introduce how to use C language to write various modules of the PHP interpreter, including lexical analyzer, syntax analyzer, virtual machine, etc. Through practical projects, students will personally implement a simple PHP interpreter and deepen their understanding of the PHP interpreter source code. Through the study of this course, students will be able to deeply understand the working principle and internal implementation mechanism of the PHP interpreter, and master the methods and techniques of writing PHP interpreters using C language. At the same time, students will also develop their ability to analyze and solve problems, and improve their programming skills and project practice capabilities. Whether you are a beginner who is interested in the PHP language or a developer who wants to have a deeper understanding of the internal mechanisms of the PHP interpreter, this course will provide you with valuable experience and inspiration. Let us explore the mysteries of the PHP interpreter and start the programming journey!

Course Elementary  6314

Course Introduction：Ajax technology is an extension based on js language. It can send requests to the background, obtain relevant data from the background, and then partially refresh the data on the page. This course will give a comprehensive explanation of ajax through the traditional use of ajax, combined with json operations, and advanced technologies such as cross-domain.

Course Elementary  2331

Course Introduction：If you have any questions, please add us on WeChat: Le-studyg; the course content includes the basic principles of Nginx load balancing, load balancing algorithms, health check and failover, dynamic load balancing configuration, etc. Through an in-depth analysis of the principles and implementation details of Nginx load balancing, you will learn key knowledge such as how load balancing works, algorithm selection, and configuration tuning, and learn how to use this knowledge to manually write a simple load balancer. Whether you want to deeply understand the principles and internal mechanisms of Nginx load balancing, or you want to learn how to manually write a simple load balancer, this course will provide you with comprehensive guidance and practical experience. Whether you are a beginner or an experienced developer, you can gain practical knowledge and skills from this course and improve your capabilities in the field of load balancing.

Course Elementary  3115

Course Introduction：Reprinted from Bilibili: https://www.bilibili.com/video/BV1Ja411c74f

Course Intermediate  11273

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  17597

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  11308

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.