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Introduction: for the serial port to receive some variable length data, we must face a problem: how to judge whether a frame of data reception is completed? RXNE non null interrupt is usually used in combination with simple data protocol. Frame header and frame tail are added to the data. Judge whether the frame tail is received in the program ...

After working all night, it's too unfriendly for me as a novice. I'm going to cry. I finally succeeded. Come on, come on, rush, release it and leave a souvenir for myself Let's talk about the idea first. When we use selenium automation, it's not very different from when you open the website. So why can you log in when you open the website? Bec ...

HTTP HTTP Request Client - Request - Server Baidu: Request URL:https://www.baidu.com/Request Address Request Method:GET get Method/post Method Status Code:200 OK Status code: 200 Remote(Remote) Address:14.215.177.39:443 Accept:text/html Accept-Encoding:gzip, deflate, br Accept-Language:zh-CN,zh;q=0.9 language Cache-Control:ma ...

1. Paging query. //Configure Paging Interceptors @Configuration public class MybatisPlusConfig { @Bean public MybatisPlusInterceptor mybatisPlusInterceptor(){ //1 Create MybatisPlus Interceptor interceptor object MybatisPlusInterceptor mpInterceptor=new MybatisPlusInterceptor(); //2 Add Paging Interceptor ...

TypeScript -- basics Write in front: This article is a little long, which is suitable for Xiaobai who is going to learn TS. if there is a certain basic God, you can ignore this article. The article is not completely original. Most of the content is moved from other articles on the Internet, and then add some of your own understanding and su ...

The book is based on a simple scenario: the user enters a URL into the browser and returns the response, which is the life cycle of a network request. The book is divided into six parts: The application layer client generates HTTP and delegates it to the protocol stack of the operating systemThe protocol stack (TCP/IP module) calls the netwo ...

1. Foreword In a previous blog Code implementation of federal learning basic algorithm FedAvg Using numpy hand built neural network to realize FedAvg, the effect of hand built neural network has been very excellent, not II. Data introduction There are multiple clients in federated learning. Each client has its own data set, which they are u ...

Note: please correct any mistakes. This blog is for learning reference only. Come on! 1, First acquaintance with electricsearch 1.1 INTRODUCTION   elasticsearch is a Lucene based search server. It provides a distributed multi-user full-text search engine based on RESTful web interface. Elasticsearch is developed in the Java lan ...

The effect drawing is as above. The effect production is divided into three parts, one is extrusion, one is drag, and the other is restoration. First, let's talk about extrusion. First, there is an extrusion area. First, we need to obtain all vertices on the model, and the collider of the model will change with the change of the model, bec ...

Xiaobai, who wants to switch to data analysis in the Internet industry, has a certain understanding of python through Buddhist Study in winter vacation. Record the first gadget. When I was brushing the cross forum, I suddenly saw a data analysis about the NBA. Because I also like playing very much, I immediately became interested. Because I d ...