Course Intermediate  3465

Course Introduction：This set of courses is based on the design concept and data structure of MySQL index, index usage scenarios, index classification, index usage scenarios, index performance analysis, query optimization, slow query of MySQL index, etc. It mainly describes the solution of MySQL index optimization. It is very suitable for students who have basic knowledge of MySQL or have certain work experience. The course explains how to solve the problem of slow large-volume queries, how to write an efficient SQL, how to optimize query statements, what is the implementation principle of indexes, how to optimize indexes... and many other difficulties and interview points in SQL index optimization.

Course Elementary  12767

Course Introduction："AJAX Cross-Domain Solution: JSONP Video Tutorial" The core of ajax is the JavaScript object XmlHttpRequest. This object was first introduced in Internet Explorer 5 and is a technology that supports asynchronous requests. This video introduces the ajax cross-domain solution.

Course Intermediate  8087

Course Introduction：Caching is a core component of current enterprise-level applications. Today's mainstream e-commerce, life services, live broadcast and other fields are inseparable from the use of cache. As the current mainstream caching technology, Redis has become the first choice for Internet companies. The cache structure design based on redis cluster currently accounts for half of the market in the same field.

Course Advanced  45229

Course Introduction：This set of courses is an advanced course, including: query optimization and performance analysis of MySQL single table with tens of millions of data, mySQL master-slave principle and its application in high-concurrency systems, integration and use of Elasticsearch and PHP (Laravel), high concurrency The difference between system code and ordinary system code architecture and analysis of concerns, etc.

Course Elementary  2953

Course Introduction：Since WebSocket is a protocol for full-duplex communication on a single TCP connection, the browser and the server only need to complete a handshake to directly create a persistent connection and perform two-way data transmission, so the application scenarios of WebSocket are also increasing. The more extensive. Apipost 7 supports WebSocket, Socket.IO and Socket.JS type debugging, which can meet debugging in various scenarios.

Course Elementary  6349

Course Introduction：PHP Programming Guide collects existing PHP best practices, coding standards and authoritative study guides to facilitate PHP developers to read and find

Course Elementary  30269

Course Introduction：1. How to overcome inertia and force yourself to calm down and study? 2. If you encounter difficulties, how can you get answers quickly? 3. What should I do if I always have trouble paying attention during lectures and can’t remember? 4. There are many things that I know well as soon as I hear them, but I make mistakes as soon as I write them. What should I do? 5. What is the difference between studying on your own and enrolling in a training class? 6. I want to study, but I am busy with work and have no time. What should I do?

Course Intermediate  30347

Course Introduction：This course refers to the software engineer's principles from Robert C. Martin's Clean Code book and applies to PHP. This is not a style guide. This is a guide to developing readable, reusable, and reconfigurable PHP software. Not all of the principles here must be followed, and few are even universally accepted. Although these are just guidelines, they are all summarized by the Clean Code authors over the years.

Course Elementary  2328

Course Introduction：Due to gRPC's good ecology, powerful performance, support for multiple languages, streaming processing based on http2.0 and other advantages, gRPC is used more and more frequently, and the demand for gRPC debugging is also increasing. . Choosing to perform gRPC debugging in Apipost 7 can be achieved in just a few simple steps.

Course Elementary  22834

Course Introduction：Python is an object-oriented interpreted computer programming language with concise and clear syntax and rich and powerful libraries. "Marco Education Python Basic Grammar Full Explanation Video" takes you from shallow to deep to learn the basic python syntax and deeply understand the characteristics of the Python language.

Course Advanced  18092

Course Introduction："Comprehensive Interpretation of the Laravel Framework and Practical Video Tutorial" introduces the Laravel framework and its installation methods, routing, views, basic addition, deletion, modification and query functions, as well as related knowledge points such as login and registration instances.