Reminder: This chapter mainly covers how to publish and subscribe to MQTT topics via web services, thereby controlling the faucet. It also includes the assembly and testing of faucet components. 1. Design Requirements Any third-party device can access the web page to control the faucet. Graphical interactive interface. The web access is provided by the … Read more
29 Tuesday June 2021 Verification Room As we all know, the TCP/IP protocol suite is the foundation of the Internet and is currently the most popular networking form. Among them, the Hypertext Transfer Protocol (HTTP), which operates at the application layer of TCP/IP, is an application protocol that can be used for distributed, collaborative, and … Read more
The TCP/IP protocol is a transport layer protocol that mainly addresses how data is transmitted over the network, while HTTP is an application layer protocol that mainly deals with how to package the data. Regarding the relationship between TCP/IP and HTTP protocols, there is a relatively easy-to-understand introduction on the internet: “When we transmit data, … Read more
Introduction to HTTP 1. HTTP Versions Since the invention of the HTTP protocol, it has undergone several version modifications, namely <span>HTTP/0.9</span>, <span>HTTP/1</span><span>.0</span>, <span>HTTP/1.1</span> and <span>HTTP/2</span>. Currently, the main version in use is <span>HTTP/1.1</span>, which is the focus of this article. 2. TCP/IP Protocol Before learning about the HTTP protocol, let’s first understand the TCP/IP protocol. … Read more
https://www.zhihu.com/question/290767285/answer/1200063036 Author: Longquan Temple Sweeping Monk (Chief Browser Architecture Expert, Author of the World’s Smallest Chromium Kernel – Miniblink), authorized for reprint Let’s take a look at the open-source Chromium; it is indeed extremely complex. The source code alone is over ten gigabytes. We can’t help but wonder, what exactly is in Chromium? How can … Read more
In recent years, Python has been praised to the heavens. Many students are unclear about what Python can actually do and blindly start learning it. Today, I will provide a brief overview of Python’s application areas to help those who want to learn Python find the right direction and avoid confusion. 2. Characteristics of Python … Read more
Follow + Star, Learn New Python Skills Daily Due to changes in the public account's push rules, please click "View" and add "Star" to get exciting technical shares from the public account backend by replying "python" to receive the latest free trial lessons for 2023. Today, I will share with you 50 learning resources tailored … Read more
Follow 👆 the public account and reply "python" to get the zero-based tutorial! Source from the internet, please delete if infringed. “I want to learn Python, but what can I do after learning it?” Many beginners learning Python will encounter these questions. Many answers flood into our minds because Python can do so many things. … Read more
Follow the public account below to access organized technical columns on Python basics, web scraping, data analysis, office automation, etc. Python is easy to learn but vast and profound. Many claim to master Python, yet they cannot write Pythonic code and are unfamiliar with many commonly used packages. The sea of learning is boundless; let’s … Read more
Follow 👆 WeChat public account and reply with 'python' to receive beginner tutorials! Since the release of Python 3.11, the running speed has doubled, compensating for the speed deficiencies compared to other programming languages. It can be anticipated that the application range of Python will become increasingly broad in the future. Recommended Python Learning Directions: … Read more