1. Overview of RS232 and RS485 RS232 and RS485 are two widely used serial communication standards in industrial control, data acquisition, communication devices, and the Internet of Things (IoT), used for data exchange between devices. RS232, as a classic point-to-point communication standard, is suitable for short-distance, low-speed scenarios; RS485, with its multipoint communication and long-distance … Read more
Source: https://juejin.cn/post/6898485806587969544Recommended programming resource site for programmers:http://cxyroad.comSide hustle earning column:https://xbt100.topLatest activation method for IDEA in 2024Reply in the backend:activation codeCSDN no-loginCopy codePlugin download:CSDN copy pluginBelow is the main content. Using <span>SpringBoot</span> to directly send <span>HTTP</span> requests with <span>okhttp</span>, <span>httpClient</span>, or <span>RestTemplate</span> is cumbersome and inconvenient for unified management. Therefore, I recommend a lightweight HTTP client … Read more
01Please explain the differences between RPC and HTTP? 1. Differences: 1. Transmission Protocol RPC can be based on TCP protocol or HTTP protocol. HTTP is based on the HTTP protocol. 2. Transmission Efficiency RPC, using a custom TCP protocol, can make the request payload smaller, or by using HTTP2 protocol, it can also significantly reduce … Read more
Environment: Windows 10 x64 pjsip Version: 2.14.1 microsip Version: 3.19.30 Previously organized content related to pjsip and DTMF: Analysis of pjsip Source Code: Audio Encoding Analysis of pjsip Source Code: Volume Adjustment Analysis of pjsip Source Code: Call Hold Analysis of pjsip Source Code: DTMF Sending pjsip Compilation, Instructions, and Example Usage with VS2022Using pjsip … Read more
EdgeOne has a high threshold for use, and here we go again with an error: ERR_EMPTY_RESPONSE I asked the large model, but it couldn’t clarify the reason. Submitted a ticket, and then this issue was resolved. The ERR_EMPTY_RESPONSE error usually indicates that the client (such as a browser or network request tool) did not receive … Read more
HTTP Long Connections and Short Connections: In-Depth Analysis and Application Scenarios In today’s rapidly developing internet technology, the choice of connection method in the HTTP protocol, as the foundation of network communication, has a crucial impact on website performance and user experience. This article will explore the differences, advantages, disadvantages, and application scenarios of HTTP … Read more
HTTP Long Connections and Short Connections In today’s rapidly developing internet technology, the HTTP protocol serves as the foundation for web communication, and the choice of connection method has a profound impact on website performance and user experience. HTTP long connections and short connections are two common connection methods, each with its advantages, disadvantages, and … Read more
In modern IT systems, the HTTP/HTTPS protocol has become the foundation for the majority of application communications, serving as a bridge between the front end and back end, users and services. From API services, web sites, to gateways, load balancers, CDNs, and WAFs… almost all core systems are handling massive amounts of HTTP(S) requests. Before … Read more
HTTP Short and Long Connections Explained: Clear Distinctions! In today’s rapidly developing internet technology, the HTTP protocol serves as the foundation for network communication, and the concepts and applications of short and long connections have become focal points for many developers. This article will delve into the definitions, characteristics, application scenarios, and pros and cons … Read more
Scan to FollowLearn Embedded Systems Together, learn and grow together Overview 1.1 What is the SWD Protocol SWD (Serial Wire Debug) is a two-wire debugging interface protocol developed by ARM, specifically designed for debugging and programming Cortex-M series microcontrollers. As a replacement for the traditional JTAG interface, SWD significantly reduces the number of pins while … Read more