Requirements: Encapsulate a function that requires monitoring the width and height changes of the DOM, and supports both custom instructions and hooks. Step 1: Create the project folder v-resize-xm 1. Create the src folder in the v-resize-xm folder Execute the pnpm init command to generate a package.json file 2. Install ts sudo npm install -g […]
Tag: pac
C# Socket TCP 2 heartbeat protocol + anti-stain packet + proactively disconnect from the server
In the previous code, a C# .net TcpClient implemented the full-duplex communication protocol_tcpclient protocol_Green Lemon 676’s Blog-CSDN Blog We have implemented the heartbeat of TCP and introduced the full-duplex communication protocol. Today we will take you to understand what TCP packet immersion is and how TCP prevents packet immersion. So let’s make a long story […]
python exceptions, modules and packages
1. Abnormal Exception: When an error is detected, the Python interpreter cannot continue to execute. Instead, some error prompts appear. This is the so-called “exception”, which is what we often call BUG. 1.1 Catching Exceptions Basic syntax: try: error code may occur except: Code to be executed if an exception occurs Code example: # Try […]
[Liunx] Deploy WEB service: Apache
[Liunx] Deploy WEB service: Apache Overview Apache 1 Introduction 2.Apache file path 3.Apache detailed explanation (1)Install Apache (2) Start Apache (3)Configuration file a.Apache main configuration file: vim /etc/httpd/conf/httpd.conf information: b. Virtual host based on host header (4) Start demonstration: a. Create two new website root directories b. Create two new index.html in the root directories […]
C language data structure-time complexity and space complexity
1. What are time complexity and space complexity? 1.1 Algorithm efficiency Algorithm efficiency analysis is divided into two types: the first is time efficiency, and the second is space efficiency. Time efficiency is called time complexity, while space efficiency is called space complexity. Time complexity mainly measures the running speed of an algorithm, while space […]
About dpkg packaged into deb format installation package
The deb format is suitable for operating systems such as Ubuntu, deepin, and UOS, and for servers with various architectures such as mips64el, amd64, and X86. Ubuntu uses dpkg to make the qt executable program into a deb installation package1. Use the linuxdeployqt tool to package the executable program This step can package the dynamic […]
Java SE packages, packages, static keywords and code blocks
1. Encapsulation 1.1 Concept of encapsulation There are three major characteristics of object-oriented programs: encapsulation, inheritance, and polymorphism. In the class and object stage, the main research is on encapsulation characteristics. What is encapsulation? simply put It’s the shell shielding details. Encapsulation: organically combine data and methods of operating data, hide the properties and implementation […]
[Linux] Stop 16: Process Address Space
Article directory 1. Program address space 1. Memory distribution 2. Why is it not released after static modification? 3. A strange phenomenon 2. Process address space 1. The reason for the previous phenomenon 2. What exactly is an address space? 3. Why is there a process address space? 4.Page table 5. What is process? 6. […]
Why use virtual environment in python? (Virtual environment function and virtual environment construction, switching, exit, migration and packaging) code demonstration. Official venv usage (**)
Detailed graphic and text explanation of python’s virtual environment (virtual environment functions and virtual environment construction, switching, exit, migration and packaging) code demonstration https://blog.csdn.net/weixin_45440484/article/details/130144943 http://www.360doc.com/content/23/0828/21/1339386_1094251670.shtml Why use a virtual environment? First, a virtual environment helps keep your projects clean and separate. You don’t have to worry about one project’s dependencies breaking another, which makes project […]
How webpack works
Directory Merge code Modular Webpack packaging The structure of webpack webpack source code addEntry and _addModuleChain buildModule Compilation hook Output build results Understand the implementation principles of webpack, master the basic workflow of webpack, and use webpack in daily life When encountering a problem, it can help us gain insight into the root of the […]