Computer Basics

1.SE 1.1 Describe the layered style of software architecture Hierarchical style: organize the system into a hierarchical structure according to different abstraction levels, each level is established as a component, and different components are usually connected by program calls. Advantages: 1.The design mechanism is clear and easy to und ...

Posted by brad_fears on Mon, 05 Dec 2022 00:28:20 +0300

Use of SpringBoot cache annotations

I've been busy recently and haven't had time to update. In the last article, I talked about how to use Redis for caching. At the end of the article, I mentioned SpringBoot's support for caching. This article will talk about how to use SpringBoot. 1. SpringBoot's support for caching For SpringBoot's support for caching, ...

Posted by Sh0t on Sun, 04 Dec 2022 15:57:50 +0300

CSS Basics - Selector Advanced, Background Related Properties (Color/Image)

CSS Basics - Selector Advanced, Background Related Properties (Color/Image) Goal: Be able to understand the rules of compound selectors and use compound selectors to select elements in HTML Learning path: 1. compound selector 2. union selector 3. intersection selector 4. hover pseudo class selector 5. Emmet grammar What we have lea ...

Posted by atwyman on Sun, 04 Dec 2022 15:18:59 +0300

Dynamic Routing, Dynamic Sidebar Menu

Dynamically load the sidebar menu Data case: returned by the background json data, please click to jump to the last view of the article There are three ways to do this, each with its own drawbacks The first (not recommended) Register all routes and dynamically load according to the dynamic menu Disadvantages: Insecure, users can change the b ...

Posted by bing_crosby on Sat, 03 Dec 2022 15:57:51 +0300

Life cycle and event system in react source code

In this chapter, what I want to discuss with you is the life cycle and event system of React. The compilation result of jsx Because I also mentioned the compilation result of jsx in v17, in addition to the tag name, other attributes (such as class) and events (such as click event) hanging on the tag are placed in the second parameter of the ...

Posted by ik on Sat, 03 Dec 2022 06:08:38 +0300

Seal library official example: levels.cpp parsing

This code is mainly about modulus switching. Simply put, the function is to reduce the noise of the ciphertext. This should be in the BGV scheme, but the official example is BFV. There is no such process in BFV. It embeds the modulo switching into the multiplication operation. At the end of the code, it is said that BFV does not need to set the ...

Posted by coalgames on Thu, 01 Dec 2022 20:18:14 +0300

binary search tree

binary search tree What is a Binary Search Tree? A binary search tree is first a binary tree. This binary tree has such a feature that all nodes in the left subtree are smaller than the root node, and all nodes in the right subtree are larger than the root node. And the left and right subtrees also satisfy this condition A binary se ...

Posted by Invincible on Thu, 01 Dec 2022 19:52:09 +0300

Spring Security: Basics

1. Getting to know Spring Security first1.1 Spring Security concept  Spring Security is a security framework implemented by Spring using AOP thinking and based on servlet filters. It provides a complete authentication mechanism and method-level authorization functions. It is a very good permission management framework. Spring S ...

Posted by msnhockey on Wed, 30 Nov 2022 20:01:39 +0300

js all this points and throttling anti-shake

All this points to Ordinary function heavy this point, wind The method this in the object points to, the object (is the this pointing of the method in the object, not the this pointing in the object, the object does not have this pointing) The this point in the event binding, the source of the bound event this in the timer points to, wind The t ...

Posted by levidyllan on Wed, 30 Nov 2022 08:52:21 +0300

Python crawls m3u8 video (multithreading)

Excerpt from: https://www.cnblogs.com/python147/p/14511627.html 1 Introduction The text and pictures in this article come from the Internet and are for learning and communication purposes only. They do not have any commercial use. If you have any questions, please contact us in time for resolution. PS: If you need Python learning materials, you ...

Posted by DarkSuperHero on Wed, 30 Nov 2022 04:27:31 +0300