CourseElementary54125

Course Introduction："HTML5 From Beginner to Mastery Tutorial" introduces in detail that HTML5 has added a lot of new content based on HTML, with more functions and more dazzling effects.

CourseElementary26927

Course Introduction："Javascript Basics Tutorial" will take you to quickly learn the basic knowledge of javascript and explain it through examples, so that you can better understand the javascript scripting language.

CourseElementary30794

Course Introduction：This tutorial will start from the basics and does not require you to have any programming knowledge. The "HTML Tutorial" contains our knowledge of HTML5, truly achieving a comprehensive learning of HTML.

CourseElementary24067

Course Introduction："HTML5 Quick Self-Study Tutorial" is suitable for zero-based entry learning of HTML5. HTML5 is the fifth version of HTML development. With the support of browser technology, it has also begun to be widely used. H5 will become the new standard for WEB development. This course will provide readers with Explain all the core features of HTML5.

CourseElementary90670

Course Introduction："JavaScript Elementary Tutorial" is an introductory course to JavaScript, designed to let everyone know and understand the common knowledge of JavaScript.

Course Introduction：The 502 Bad Gateway error is an HTTP status code. This code is one of the HTTP status codes, which means that a server on the Internet received an invalid response from another server, that is, a wrong gateway, an invalid gateway; it means a A network error. Performance page feedback given in WEB browser

2018-12-05 comment 0128999

Course Introduction：In recent years, with the popularity of cloud computing and microservices, more and more enterprises have begun to use gateways to manage their services. As a fast, efficient, thread-safe and easy-to-learn language, Golang (Go language) is welcomed by more and more enterprises. In this article, we will discuss how to use Golang to implement a simple gateway. 1. What is a gateway? Before we start to implement a gateway, we need to know what a gateway is. A gateway is an intermediary software that routes requests sent by clients to different back-end services within an enterprise or on the Internet.

2023-05-27 comment 01353

Course Introduction：A gateway is a network interconnection device. A gateway, also known as an Internet connector or a protocol converter, is a computer system or device that performs the task of conversion; the gateway implements network interconnection above the network layer and is a complex network interconnection device that is only used for two high-level protocols with different network interconnection. The gateway can be used for both WAN interconnection and LAN interconnection; it is equivalent to a translator when used between two systems with different communication protocols, data formats or languages, or even completely different architectures.

2021-01-22 comment 015016

Course Introduction：A gateway device is a computer system or device that provides data conversion services between multiple networks. Gateway devices include: 1. Network switches with three-layer switching functions; 2. Routers; 3. Firewalls; 4. Hosts with routing functions enabled through software .

2021-01-25 comment 024719

Course Introduction：502 Bad Gateway means there is a problem with the website you are visiting, because when the 502 Bad Gateway server acts as a gateway or proxy, it is to complete access to the next server, but the server returned an illegal response.

2019-08-28 comment 064836