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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.

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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 switch Taobao to WeChat payment How to use WeChat payment on Taobao

Course Introduction：Many users now have a lot of money in WeChat. Taobao only deducts Alipay money when buying things. They want to use WeChat money, but they don’t know how to use WeChat payment on Taobao. In fact, the method is very simple. Today The editor will tell you how to switch Taobao to WeChat payment. I hope it will be helpful to you. How to switch Taobao to WeChat payment 1. In the latest version of the mobile Taobao app, select the products you want to buy, and then add them to the shopping cart. 2. In the Taobao shopping cart interface, select the products and click the checkout button above and below. 3. Select the WeChat-related payment method on the product order interface. There are two types: [Scan QR code on WeChat to pay] and [Go to WeChat to find a friend to help me pay]. 4. After confirming the order, send the payment QR code interface to WeChat

2024-01-07 comment 0 12797

How to use WeChat payment on Taobao? List of payment methods by scanning QR code on Taobao WeChat

Course Introduction：The WeChat payment function of Taobao APP is a convenient and fast payment method that allows users to shop on Taobao APP and complete the payment using WeChat Pay. Of course, many friends want to know how to use WeChat to pay. It is actually very simple. Below The editor will share with you how to pay with WeChat on Taobao APP. How to use WeChat payment on Taobao 1. Scan the WeChat QR code to pay: 1. Open Taobao, select the items in the shopping cart, and click checkout. 2. On the order confirmation page, select WeChat scan code to pay. 3. After saving the payment code, open WeChat, click Scan, and complete the payment. Note: Currently, Taobao only opens the internal testing function of WeChat payment to some users. 2. Forward to WeChat friends to pay on your behalf: 1. Select the items in the shopping cart and click Checkout. 2. On the order page

2024-07-11 comment 0 665

PHP mall function tutorial: add to shopping cart and checkout process

Course Introduction：PHP Mall Function Tutorial: Add to Shopping Cart and Checkout Process In building a complete e-commerce website, the shopping cart and checkout process are very important functions. This tutorial will take you step by step to implement a PHP-based shopping cart and checkout function, with relevant code examples. 1. Create a shopping cart First, we need to create a shopping cart class to manage the user's shopping cart information. Here is an example of a simple shopping cart class: classCart{protected$items=ar

2023-07-28 comment 0 2270

How to use WeChat payment on Taobao. Introduction to setting up tips for using WeChat payment on Taobao.

Course Introduction：Taobao is a comprehensive service platform integrating shopping, payment, communication and entertainment. Users can purchase various goods on Taobao and pay through Alipay. Because many users are accustomed to using WeChat to pay, can Taobao use WeChat to pay? Let’s find out with the editor! How to use WeChat payment on Taobao. Currently, the WeChat scan code payment function is still being gradually opened. It is only open to some users. Only some products support this payment method. Whether WeChat payment can be used is subject to the page display. 1. First enter the Taobao APP, click on the product to add to the shopping cart, and enter the checkout page. 2. Then you need to find the item you want to pay for, and then you can settle the item. 3. If you enter the settlement page

2024-07-12 comment 0 331

How to pay with WeChat on Taobao How to pay with WeChat on Taobao

Course Introduction：How to pay with WeChat on Taobao? Taobao cannot directly use WeChat Alipay, but when someone on Taobao asks friends to pay on their behalf, they can send it to their WeChat friends. This reverse method can be used to realize the WeChat Alipay amount. Many friends still don’t know how to use WeChat to pay on Taobao. Here is a guide on how to use WeChat and Alipay on Taobao. Let’s take a look. How to use WeChat Pay on Taobao 1. Open Taobao and click on the shopping cart. 2Click checkout after selecting the product. 3Finally submit the order and enter the payment interface. 4. Click the payment method on the payment interface, and then click Ask a Friend to Help Pay. 5. You can choose WeChat or Alipay friends to pay on your behalf. 6. Click the bank card directly on the payment interface, then select Pay Now, and finally enter the password.

2024-06-28 comment 0 790

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