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react source code analysis 7.Fiber architecture Video Explanation (efficient learning): Click to learn Previous articles: 1. Introduction and interview questions 2. Design concept of react 3.react source code architecture 4. Source directory structure and debugging 5. JSX & Core api 6.legacy and concurrent mode entry functions 7.Fiber archi ...

Article catalog1, Experimental purpose2, Principle3, Experimental content1, Experimental purposeMaster the program design of serial port working mode and the communication program design method of single chip microcomputer.2, PrincipleSend command: MOV, SBUF, A Receiving instruction: MOV A, SBUF1. Serial port control register SCON (address: 9 ...

Pipeline characters, redirects, and environment variables My thoughts The so-called redirection is to output the content originally output here to another location. I / O redirection Standard input redirection: You can enter from the keyboard or from other files or commands. Symbols used command < File takes the file as standard input for th ...

preface Interviewer: let's say, how do you query 10 million data? Brother B: direct paging query, using limit paging. Interviewer: have you practiced it? Brother B: there must be Here's a song "cool" Maybe some people have never met a table with tens of millions of data, and they don't know what will happen when querying tens o ...

A tiktok effect similar to the small and small sliding of the video is needed. So called preloading, When the current page is displayed, the content behind the current page needs to be loaded in advance to ensure that the user slides to the next video, It can reduce the waiting time and browse smoothly at normal network speed. In the fourth ver ...

[summary] if the server where CentOS is located is limited to security reasons and the customer does not configure us to access the Internet, how to install the PostgreSQL database? This article will explain in detail how to install PostgreSQL12 database offline on CentOS7 system through specific steps. 1 offline installation package preparati ...

1. Call Firstly, the cross entropy loss function of torch is called as follows: torch.nn.functional.cross_entropy(input, target, weight=None, size_average=None, ignore_index=-100, reduce=None, reduction='mean') It is usually written as: import torch.nn.functional as F F.cross_entropy(input, target) 2. Parameter description Input( tensor ...

Previous review: Read Spring source code (I) -- overview of refresh() method Read the Spring source code (II) -- about the design patterns used in Spring Dynamic proxy portal (two good articles, moving over): What is the role of Java dynamic proxy? Implementation and principle of java Dynamic agent The last article combed the design patte ...

In extreme cases, a binary search tree evolves into a tree with only one child on one side, such as a left or right child for each non-leaf. When searching, you need to traverse the tree to find the target value. Its fast search value is not reflected. If the search tree balances the height difference between left and right subtrees when it is ...

For developers and operation and maintenance personnel, the monitoring screen is great. Let's make a Dashboard! You may have heard of some CLI diagnostic tools, such as dotnet counters, dotnet dump and dotnet trace. What is dotnet monitor? The simple understanding is to package the above diagnostic tools and expose the corresponding rest APIs ...