Course Elementary  20929

Course Introduction：Use PDO mode (PHP data object) to connect and select databases (unified operation of various databases), execute SQL statements and process result sets

Course Intermediate  8323

Course Introduction：Many programmers who have worked for many years still have a very basic understanding of databases. They are confused as soon as they go out for interviews. They don’t understand basic SQL statements, more complex SQL queries, and SQL statement optimization. They don’t even know how to use them. Redis improves system performance and can withstand tens of millions of concurrencies. This set of courses will help you thoroughly understand MySQL locks, execution plans, indexes, MVCC & Redis transactions, cache, breakdown, penetration, avalanche, warm-up, etc., and you can complete all database interviews in one set!

Course Intermediate  4146

Course Introduction：PHP and MySQL database are golden partners. Not only are they free to use, but more importantly, MySQL can be better combined with PHP. PHP also provides a dedicated programming interface for the MySQL database, improving development efficiency.

Course Advanced  10585

Course Introduction：SSDB is a high-performance NoSQL database developed in C/C++ language. It supports KV, list, map(hash), zset(sorted set), qlist(queue) and other data structures. It is used to replace or cooperate with Redis to store billion-level lists. The data.

Course Advanced  10855

Course Introduction：SSDB is a high-performance NoSQL database developed in C/C++ language. It supports KV, list, map(hash), zset(sorted set), qlist(queue) and other data structures. It is used to replace or cooperate with Redis to store billion-level lists. The data.SSDB is stable, used in production environments, and has been used in many Internet companies_From the SSDB Database User Manual

Course Advanced  29234

Course Introduction："Database MySQL Video Tutorial" provides a basic introduction to the database, allowing everyone to first understand the MySQL database, and then explain the DOS operation database.

Course Intermediate  4058

Course Introduction：Redis is the most widely used storage middleware in the field of Internet technology. The understanding and application practice of Redis have become essential skills for mid-to-senior back-end developers today. MySQL is the preferred relational database for most Internet companies. Therefore, programmers cannot only understand the addition, deletion, modification, and query of the database and some simple usage skills. They also need to be proficient in some principles of MySQL to better deal with the problems encountered in actual work.

Course Intermediate  4670

Course Introduction：There are two main purposes for studying this course: 1. Visual panel layout adapts to the screen 2. Use ECharts to realize histogram display Core Technology: -Based on flexible.js + rem smart large screen adaptation - VScode cssrem plug-in - Flex layout - Less to use - Based on ECharts data visualization display - ECharts histogram data settings - ECharts map introduction

Course Elementary  2122

Course Introduction：Python visualization video series using matplotlib, seaborn, pyecharts, combined with real data sets; this video is reproduced from Bilibili: BV1gz411v7F5

Course Advanced  16062

Course Introduction："Backend Network MySQL Database Video Tutorial" introduces the concept of database, as well as some basic contents commonly used in databases, such as addition, deletion, modification, query, etc. It also has knowledge about database security, such as anti-injection, etc.

Course Intermediate  21439

Course Introduction：PHP is very suitable for rapid development of Web projects, and Web projects are inseparable from the support of databases. PDO is the access abstraction layer of the database, which can provide a unified access interface for all types of databases, making development simpler and operation safer. In particular, PDO preprocessing technology fundamentally eliminates SQL injection attacks. Therefore, this course focuses on the mainstream PDO preprocessing technology and gives you a complete introduction to this development technology.

Course Elementary  18913

Course Introduction：The most commonly used PHP dynamic website development is the MYSQL database. PHP Chinese website's "Daily Sharing of MySQL Database Technology Knowledge" course shares some common PHP MySQL database knowledge every day and explains these common knowledge points in the form of videos. ! From basic to advanced, the difficult points are broken down, each knowledge point takes about 5 minutes, and we strive to be easy to understand and create a small knowledge base of high-quality MySQL databases!

Course Elementary  44607

Course Introduction：This course starts from the shallower to the deeper, explaining the knowledge points related to the MySQL database in detail and complete, and finally forms a complete database programming knowledge system. A course suitable for novices or veterans to review

Course Elementary  3115

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

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 Elementary  23080

Course Introduction：Compared with traditional hard drives or USB flash drives, online network disks realize file storage, access, upload, download, and backup functions.

Course Elementary  13365

Course Introduction：Material collection: https://gitee.com/xiaoqiang001/java-script.git 1. JavaScript basics from the definition and use of variables, flow control statements, arrays, functions, constructors, built-in objects and objects, etc. 2. Web API explains how to obtain DOM elements, how to operate DOM elements, BOM operations, and create web page special effects on mobile terminals. 3. Later there will be advanced js, ES6 object-oriented syntax, object-oriented cases, prototypes and prototype chains, etc. 4. jquery comprehensive + echarts data visualization

Course Intermediate  8562

Course Introduction：With the popularization of big data and the popularity of artificial intelligence, data visualization is widely used in existing enterprises and the demand is relatively strong, so we have this set of data visualization courses. This course is very suitable for students who have learned the basics of Vue as a cool practice project. After studying this course, whether it is applied in the current job or during the job interview, it will be a big plus point.

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.