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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11327

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 17632

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 11338

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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Create a beauty and hair salon website using the Yii framework

Course Introduction：In recent years, with the improvement of living standards, people have higher and higher requirements for appearance. Especially for women, beauty and hairdressing are very important things. Therefore, the beauty and hairdressing industry is becoming increasingly popular, and more and more people are beginning to invest in this industry. With the advancement of technology, the Internet has also become one of the very important channels. In such a context, it has become very necessary to use the Yii framework to create a beauty and hair salon website. Yii framework is a high-performance, component-based PHP framework due to its good code reusability

2023-06-21 comment 0 1588

Where is the Douyin web version mall?

Course Introduction：The Douyin web mall is located in the "Mall" tab in the upper right corner of its official website. It provides a variety of products such as electronic products, clothing, shoes and hats, beauty and skin care, home life, food and beverages, etc. The purchase process includes browsing products, adding to shopping cart, checking product quantity and price, selecting payment method and shipping address, placing order and paying. Please note that the Douyin web store currently only supports mainland China.

2024-04-12 comment 0 933

How to apply to become a buyer in Xiaohongshu

Course Introduction：Xiaohongshu, as a social platform loved by young people, not only provides a large number of fashion, beauty, travel and other lifestyle sharing, but also provides a platform for many friends who are interested in becoming buyers to express themselves and communicate. stage. So, how do we apply to join the ranks of buyers on Xiaohongshu? Below, the editor of this site will bring you a detailed introduction to the content. Users who want to join the ranks of buyers, please come and follow this article. Do it. How does Xiaohongshu become a buyer? 1. Open Xiaohongshu, click to enter my page, and click to enter the creation center. 2. Click Buyer Cooperation. 3. Click to authenticate now.

2024-04-22 comment 0 738

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1202

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1057

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