Course 5000
Course Introduction:JSON is a universal lightweight data storage and exchange format that is independent of programming languages. It is written based on JavaScript object syntax and is very suitable for Web development. Ajax is an asynchronous data loading technology that allows users to obtain data without leaving the current page. The user experience is excellent. This course combines json and ajax technologies to demonstrate the application scenarios of these two technologies with examples (the knowledge of php and mysql involved can be temporarily neglect)
Course 11435
Course Introduction:"Ajax Principles Detailed Video Tutorial" The core of Ajax is the XMLHttpRequest object, referred to as XHR. It is used to enable the browser to request additional data from the server without unloading the page, which greatly improves the user experience. Prior to this, this technology actually existed and was implemented by some people, but it was not popular and was not supported by browsers. However, after that, IE5 introduced XHR objects for the first time and supported ajax technology, which was subsequently supported by all browsers.
Course 3242
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 2442
Course Introduction:If you have any questions, add WeChat: Le-studyg; the course content includes the basic principles of MySQL master-slave replication, the data synchronization mechanism during the replication process, the configuration and management of the replication topology, the high availability and fault tolerance of the master-slave replication, and the replication process. Data consistency and conflict handling, etc. Through an in-depth analysis of the underlying implementation of MySQL8 master-slave replication, you will understand key mechanisms such as data flow, log transmission, and status synchronization during the replication process, and learn how to optimize and adjust the performance and stability of master-slave replication.
Course 6653
Course Introduction:HTTP communicates based on B/S architecture, and the server-side implementation programs of HTTP include httpd, nginx, etc. The client-side implementation programs are mainly web browsers, such as Firefox, Google Chrome, Safari, etc. In addition, the client's command line Tools include elink, curl, etc. Web services are based on TCP, so in order to respond to client requests at any time, the Web server needs to listen on port 80/TCP. In this way, the client browser and the web server can communicate through HTTP.
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Course Introduction:Ajax interface analysis: To understand its working principle and usage, specific code examples are required. Introduction: In Web development, Ajax (Asynchronous JavaScript and XML) is a common technology that can communicate with the server without reloading the entire page. Asynchronous data exchange to dynamically update page content. This article will introduce how Ajax works and how to use it, and provide specific code examples. 1. How Ajax works1.1XML
2024-01-17 comment 461
Course Introduction:The previous article introduced to you "How to use PHP to implement the user avatar upload function?" (Detailed introduction)", this article continues to introduce to you what is Ajax? working principle? How to use Ajax to complete a GET request (with code) has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.
2021-06-10 comment 0 1505
Course Introduction:Ajax is the most commonly used operation for front-to-back interaction. The encapsulation of Ajax in the jQuery library is also very complete and easy to use. Therefore, this article will show you its internal principles and how to encapsulate an Ajax library yourself.
2020-05-05 comment 0 2001
Course Introduction:The principle of ajax is often a high-frequency point in interviews. This article specifically introduces this point and hopes to discuss it with everyone.
2020-07-31 comment 0 2669
Course Introduction:In-depth understanding of Ajax technology: Explore its core technical principles and applications Ajax (Asynchronous JavaScript and XML) is a technology widely used in Web development. It uses asynchronous communication and JavaScript technical means to achieve communication with the entire web page without refreshing the entire web page. The server performs data exchange. In this article, we will have an in-depth understanding of the core technical principles and applications of Ajax technology, and provide specific code examples. 1. Core technical principles Aj
2024-01-26 comment 803