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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11322

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 17629

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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Where is the mall of Douyin web version?

Course Introduction：The Douyin web mall is located in the "Mall" link under the "Products" drop-down menu in the upper left corner of the homepage. The mall provides a large number of products, covering clothing, beauty, home furnishings, food, electronic products, etc., and supports product search, category browsing, shopping cart, online payment and after-sales service.

2024-04-12 comment 0 725

Is Dreamweaver CMS a mall?

Course Introduction：DreamWeaver CMS is not a mall, it is an open source website construction and management system. But DreamWeaver cms can be used to build shopping mall websites. Reasons for building a mall: 1. Rich functions, providing the functions required by the mall such as product management, order management, online payment, logistics management, etc.; 2. Strong scalability, users can choose and install corresponding plug-ins according to their own needs. For example, product search plug-ins, shopping cart plug-ins, membership system plug-ins, etc.; 3. There are rich template resources. For mall websites, users can choose suitable templates; 4. There are many successful cases in mall website construction.

2023-08-03 comment 0 1406

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

How to perform real-name authentication on Jingdong Mall APP

Course Introduction：How to get real-name authentication on Jingdong Mall APP? Jingdong Mall is an online shopping platform that many friends often use. Before shopping, it is best for everyone to conduct real-name authentication so that they can enjoy complete services and get a better shopping experience. The following is the real-name authentication method for JD.com, I hope it will be helpful to netizens. 1. Install and open JD.com, and then log in to your personal account; 2. Then click [My] at the bottom of the page to enter the personal center page; 3. Then click the small [Settings] icon in the upper right corner to go to the setting function interface; 4. Select [Account and Security] to go to the account settings page; 5. Finally, click the [Real-name Authentication] option to fill in the real-name information; 6. The installation system requires you to fill in your real personal information and complete the real-name authentication

2024-03-19 comment 0 813

How to refresh the app page in Huawei Mall

Course Introduction：Methods for refreshing the app in Huawei Mall include manually refreshing the page, using the menu to refresh the page, using shortcut keys to refresh the page, clearing the cache to refresh the page, updating the APP version, resetting app data, contacting customer service, checking the network connection, clearing cache and cookies, and checking the device. performance. Huawei Mall is an online shopping platform that provides Huawei mobile phones, computers, accessories and other products. In the Huawei Mall APP, users can refresh the page to view the latest product information, promotions and updated applications.

2023-11-08 comment 0 2130

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