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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11324

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 17630

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 11334

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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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

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

2023-09-05 15:06:32

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in php any value has a unique string representation (such as the php code itself). I post this question to speed up the design process of this program. Some values are easily converted to strings: numbers, booleans, etc. Some are not easy: objects, arrays, resources. I think the transfer object and

2023-09-05 15:34:44

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How to implement the addition and subtraction function of a shopping cart in php

Course Introduction：Suppose you are developing an e-commerce website and need to implement the add and subtract functions of the shopping cart. If your website is developed based on PHP, the following code example will help you understand how to implement this function. First, we need to display all selected items and their corresponding quantities on the shopping cart page. We can use an HTML table to accomplish this task. In this table, each row represents a product, including the name, price and quantity of the product, as well as add and subtract buttons. ```html<table> <tr> <t

2023-04-10 comment 0 886

Where can I find the entrance to Douyin Mall on the computer? How to add goods to Douyin Mall?

Course Introduction：As a unique function on the Douyin platform, Douyin Mall provides users with the convenience of online shopping and meets the various needs of users. Some users want to be able to access Douyin Mall on their computers, but they don't know how to find the entrance. Next, we will introduce in detail how to find the entrance to Douyin Mall on the computer, and show how to browse the products of Douyin Mall on the computer. First, visit Douyin Mall on your computer. You can enter "Douyin Mall" through the browser to search, or directly visit the official Douyin website and find the "Mall" entrance on the homepage of the website. After clicking to enter the mall page, you can browse various products, including clothing, beauty, digital products, etc., and choose what you are interested in. 1. Where can I find the entrance to Douyin Mall on the computer? To find the entrance to Douyin Mall on the computer, you can press

2024-03-21 comment 0 2074

Douyin e-commerce is testing an AI shopping assistant based on the Skylark large model algorithm

Course Introduction：According to news from this site on May 16, Douyin e-commerce is currently developing the first AI e-commerce service "A Shopping Assistant" for C-ends. It has already begun grayscale testing in Douyin Mall. It is a product that has problems with Taobao. Q. What are similar AI shopping guide products in Beijing and Tokyo? Users of the Youmaimai platform reported that the business has been under development since the second half of last year, with the Shanghai team in charge, hoping to create AI star products that serve Internet-level users and improve user purchasing experience and business efficiency through AI technology. Tech+Planet stated that the “AI Shopping Assistant” had been tested on a small scale at the end of last year, and the algorithm recommendation mechanism was based on the Skylark large model algorithm. This site noticed that Douyin also launched a new app called “Douyin Mall Edition (now

2024-06-12 comment 0 508

How to create and download CSV files in JavaScript?

Course Introduction：JavaScript has powerful capabilities to manipulate various data and handle files in different formats. Sometimes, developers need to process data using CSV files while developing web applications using JavaScript. For example, we are building an e-commerce platform where users can buy and sell products. Additionally, we want to allow users to download order details into a CSV file based on a time range. In this case we need to interact with data and CSV files. Another example is that online banking websites allow us to download transaction details in a CSV file. In this tutorial, we will learn to create a csv file based on the given data in JavaScript or JSON object format and download it

2023-09-17 comment 0 830

Where can I get the entrance to Douyin 618 Group Coupon Festival?

Course Introduction：As the 618 event is approaching, major e-commerce platforms have also launched their own shopping festival activities. Douyin, a popular short video platform in China, has also launched its own group coupon festival activities, so many users may still If you don’t know where the entrance to the Douyin Group Coupon Festival event is, then the editor of this site will bring you a detailed introduction to the content entrance location below. Users who want to know, please come and continue reading with this article to find out. First, we open the Douyin app mobile game, click on our city at the top to enter the same city channel, we can see the event advertisement of Douyin 618 Group Coupon Festival, we can click the grab coupons button now. After entering the event page, we can see the time rules for grabbing coupons. Just prepare to start grabbing during the time displayed on the web page.

2024-06-01 comment 0 623

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