Java interview and written exam experience, learn a bit of Java technology every day Public account Java interview Follow me to avoid getting lost Author: Bo Saidong Source: https://www.cnblogs.com/bryan31/ Background Due to business needs, I have to integrate with many different third-party companies. These service providers all offer HTTP-based APIs. However, the specific details of … Read more
↑ Click the above“IoT Time and Space” to follow us Reprint must indicate the source: “IoT Time and Space” WeChat official account (IoT-LPWAN)。 The main IoT application layer protocols include CoAP, MQTT, XMPP, HTTP, etc. The “IoT Time and Space” public account will analyze and compare these protocols separately. First, let’s take a look at … Read more
Hands-On Writing of UDP Protocol Stack Series No. Content 1 “Hands-On Writing of UDP Protocol Stack – UDP Protocol Stack Format” 2 “Hands-On Writing of UDP Protocol Stack – DHCP Message Parsing” 3 “Hands-On Writing of UDP Protocol Stack – OTA Host” 4 “Hands-On Writing of UDP Protocol Stack – DNS Message Parsing” 5 “Hands-On … Read more
1. HTTP—Implementation of RESTful Architecture When it comes to HTTP, I believe everyone is familiar with it. HTTP stands for Hyper Text Transfer Protocol. When we normally visit a website http://www.baidu.com/index.html, we are actually using the HTTP protocol to retrieve (GET) the content of the file located at www.baidu.com/index.html on the internet, which is then … Read more
WeChat Official Account: Jiu Geek Welcome to star and follow Jiu Geek, let’s discuss technology and architecture together! Your likes, favorites, and comments are very important. If this article helps you, please share and support, thank you! With the development of the Internet of Things (IoT), lightweight communication protocols have become increasingly important. The Constrained … Read more
Labs Guide CoAP, short for Constrained Application Protocol, is a communication protocol based on UDP designed to meet the M2M (Machine-to-Machine) needs in constrained environments. Currently, in the field of IoT protocols, the Matter Protocol 1.0 launched by Google, Amazon, and Apple in collaboration with the CSA Alliance, as well as the OLA Alliance Interoperability … Read more
I have been tutoring high school mathematics in Sichuan lately. Although I haven’t done math problems in twenty years, I can still manage the exercises in the workbook. If there are problems I can’t solve, I can understand the thought process after looking at the answers. However, my student has stopped coming to class for … Read more