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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11312

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17627

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11330

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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Why am I getting Cannot read property of undefined (read 'innerHTML')?

I'm creating a shopping cart for an e-commerce site and I'm updating the total price of an item in relation to quantity, but I'm running an error? functionupdatetotal(){constcartContent=document.getElementsByClassName("cart-content")[0];constcartBoxes=cartContent.getElementsByClassName("cart

2023-09-08 21:26:37

The method of defining dynamic keys is in redux's initialState

I have an e-commerce website where each user has a shopping cart and I use redux and reduxpersist to store it in local storage. I want to handle multiple accounts on one computer, if a user has two accounts, he can switch between the accounts and the data related to each account will be displayed, my question is how to handle multiple accounts on one system accounts, each account has an id. I want to define this structure for initial state: constinitialState={[userId]:{cart:[]}} but I get error for

2023-09-05 14:15:53

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't work. Below is the code snippet of the server database initialization connector in the application fromfastapiimportFastAPIimportmysql.connectorapp

2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactName. I think this might be a nested query. Nested queries run fine in SQLServer, but don't know how to implement it in MySQL. Limit query: Select*fromcustomerslimit

2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: .right-menu{...grid-auto-flow:columndense;...} If I remove the grid-auto-flow attribute, the overflow stops. However, the items are now stacked into multiple rows, which is not what I want. I also tried converting .ri

2023-09-05 15:18:28

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What shopping platforms support WeChat payment?

Course Introduction：Shopping platforms that support WeChat payment include: 1. JD.com, a comprehensive online retailer in China; 2. Vipshop, an Internet company that sells branded discounted goods online; 3. Pinduoduo, a leader in new social e-commerce. A shopping platform that better understands consumers; 4. Jingxi, a lifestyle shopping mall under JD.com; 5. Mogujie, an e-commerce website; 6. Jumei Youpin, a fashion shopping website mainly selling cosmetics; 7. , Weidian is a cloud promotion e-commerce platform; 8. Kaola Overseas Shopping is a membership e-commerce platform focusing on cross-border overseas shopping business.

2022-11-02 comment 0 54761

How to create a simple e-commerce website using PHP

Course Introduction：How to create a simple e-commerce website using PHP As one of the most popular e-commerce platforms in modern society, the demand for e-commerce websites is growing day by day. As everyone's reliance and demand for online shopping continues to grow, it is becoming increasingly important to learn how to use PHP to create a simple e-commerce website. This article will introduce in detail how to use PHP to create a simple e-commerce website, and will also provide some practical code examples for your reference. Before you get started, you'll need some basic knowledge, including HT

2023-09-05 comment 0 953

javaScript Eslite web page settings

Course Introduction：With the rapid development of the Internet, e-commerce websites have become one of the important channels for merchants to conduct online sales. In e-commerce websites, the design and construction of e-commerce websites is very important. A good website can attract more users, improve user purchase conversion rate and user retention rate. This article will introduce how to use JavaScript to add some special effects to the web pages of Vanke Eslite e-commerce website. Vancl Eslite is a unique fashion e-commerce platform that provides young consumer groups with fashionable clothing, shoes, hats, accessories and other products. In this era of fierce competition,

2023-05-09 comment 0 954

Quick Start: Use Go language functions to implement simple e-commerce shopping cart functions

Course Introduction：Quick Start: Using Go language functions to implement a simple e-commerce shopping cart function Introduction: With the development of the Internet, e-commerce has become the main way for modern people to shop. On e-commerce platforms, the shopping cart is an important function that can help users conveniently manage and settle shopping items. This article will introduce how to use Go language functions to implement a simple e-commerce shopping cart function. 1. Shopping cart function design: Before implementing the shopping cart function, we need to first understand the basic requirements and functional design of the shopping cart. Shopping cart basics

2023-07-29 comment 0 1263

Building a PHP mall: implementing payment and shipping processes

Course Introduction：Building a PHP mall: implementing the payment and delivery process Introduction: In today's Internet era, e-commerce has become the main way for people to purchase goods. As a powerful and easy-to-learn programming language, PHP is widely used in e-commerce development. This article will introduce in detail how to use PHP to build a simple mall website and implement the payment and delivery process. Part One: Mall Website Construction In order to build a mall website, we first need a page that can display product information and a shopping cart function. Here is a simple

2023-07-28 comment 0 763

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