Unfortunately, I have been busy with my wedding recently, and I cannot guarantee timely updates on WeChat during this period. Updates will be irregular until after the New Year. If you have any issues, please leave a message, and I will respond when I see it. Thank you all for your support. Introduction HTTP (Hypertext … Read more
Introduction In web development and daily web browsing, we often encounter various HTTP status codes. These status codes are responses from the server to client requests, providing important information about the request processing status. Below, we will introduce some common HTTP status codes and demonstrate their applications through code examples. 1. Informational Status Codes (1xx) … Read more
In the last issue, we introduced the basics of CANopen: the OSI 7-layer model, different data communication methods, and the object dictionary: Do you know these basics about the CANopen communication protocol? This time, we will focus on the three different communication models and definitions between nodes in the CANopen protocol. Note: A CANopen network … Read more
1. Basic Concepts The HTTP protocol is the abbreviation for Hyper Text Transfer Protocol, which is used for transferring hypertext from the World Wide Web (WWW) server to the local browser. HTTP is a protocol based on the TCP/IP communication protocol for data transmission (HTML files, image files, query results, etc.). HTTP is an object-oriented … Read more
The HTTP protocol serves as the “common language” of the internet, supporting our daily web browsing, app usage, and API calls. Today, let’s discuss this seemingly simple yet profoundly rich protocol. What is HTTP? HTTP (Hypertext Transfer Protocol) acts like a courier in the internet world, responsible for delivering information between the client (such as … Read more
HTTP status codes are the core feedback mechanism in client-server communication, appearing as three-digit numbers in the HTTP response headers, revealing the result of the request processing. Understanding these status codes is crucial for developers during debugging, operations troubleshooting, or API design. This article systematically analyzes common HTTP status codes and their application scenarios, helping … Read more
Recently, while testing the integration of Mobotix cameras with HomeAssistant, I found that the Mobotix camera images could be successfully integrated into HomeAssistant via the Onvif protocol or RTSP. So how can the alarm signals from the Mobotix camera be integrated into HA? Since the Mobotix camera supports the MQTT protocol, and HA also supports … Read more
Application Architecture The rapid development of the Internet is driven by commercial economics. Currently, almost all commercial applications are based on the Internet, and they generally use C/S architecture, B/S architecture, or M/S architecture. C/S stands for Client-Server. B/S stands for Browser-Server. M/S stands for Mobile-Server. HTTP Protocol Currently, 90% of network transmissions on the … Read more
1. Basic Concepts The HTTP protocol stands for Hyper Text Transfer Protocol, which is used to transfer hypertext from World Wide Web (WWW) servers to local browsers. HTTP is a protocol based on TCP/IP for transmitting data (HTML files, image files, query results, etc.). HTTP is an object-oriented protocol belonging to the application layer. Due … Read more
* WeChat Official Account Push Rules Updated * * Click the star to not miss any information * When a client sends a request to a server, the server returns the processing result to the client. The HTTP status code is a three-digit code returned by the server to the client, used to describe the … Read more