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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17646

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 11353

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 operate WordPress login registration + payment interface

Course Introduction：WordPress Login and Registration Guide: Install the User Registration plugin to enable registration. Create login and registration pages and link them into the menu. The login form can be customized to add features like social login. Payment Interface Guide: Choose the right payment gateway and get an API key. Install a compatible WordPress plugin and configure gateway credentials. Create a product or service and specify payment options. Test the payment process to verify that it works properly.

2024-04-15 comment 0 1310

Sesame Exchange trading process

Course Introduction：Sesame Exchange is one of my country's leading online trading platforms, providing safe and efficient trading services for various commodities. Its transaction process includes user registration, product display, order generation, transaction matching, logistics and distribution, and after-sales service. This article will introduce the trading process of Sesame Exchange in detail to help readers better understand and use the platform. User Registration and Login Before trading on Sesame Exchange, users must register and log in. Users can choose to log in through mobile phone verification code, third-party account or manual registration. During the registration process, users need to provide true and valid personal information and agree to abide by the trading rules and user agreement of Sesame Exchange. After successful registration for product display and search, users can enter the Sesame Exchange homepage and click

2024-02-09 comment 0 1185

How to enter Meituan Lightning Store

Course Introduction：Merchants only need to register an account on the Meituan platform, fill in the settlement information, provide relevant certificates, and wait for the review to be approved before they can settle in the Lightning Warehouse service. Detailed introduction: 1. Register an account. The registration process is relatively simple. You only need to fill in some basic information, such as company name, contact person, contact number, etc.; 2. Fill in the settlement information. The merchant also needs to provide some relevant documents, such as business license, Tax registration certificate, etc.; 3. Provide relevant documents. Merchants can find the relevant information of Lightning Warehouse in the email, such as warehouse address, contact person, contact number, etc.

2023-09-25 comment 0 4470

Windows 10 eye protection green setting tutorial

Course Introduction：In order to protect their eyes, many Windows 10 customers want to set their computers to eye-protective green, so how do they do this? You can do this by modifying the registry. The steps are: open the registry editor, navigate to the Colors folder, then find Windows and open it, then change its value to 202234206, then open Windows in the Standard folder and enter caeace, then restart the computer. How to set the eye protection green color in windows 10: 1. Press WIN+R and enter regedit under the win10 system to open the registry editor; 2. Then proceed and locate [HKEY_CURRENT_USER\

2023-07-13 comment 0 6651

What should I do if there is an error when editing the registry in Win10 and prompting that the value cannot be created and written to the registry?

Course Introduction：When we use computers, we sometimes need to enter the registry to make settings. However, many users have error messages when opening the registry settings. So how to solve this? Let this site give users a detailed introduction to what to do when an error occurs when Win10 edits the registry and prompts that the value cannot be created and written to the registry. What to do when Win10 edits the registry and prompts that the value cannot be created and an error occurs when writing to the registry 1. Right-click "Start" in the taskbar in the lower left corner and select "Run" in the option list. 2. In the opened run window, enter "regedit" and press Enter to open. 3. After entering the registry editor, find the Edit Out

2024-02-14 comment 0 784

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