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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11371

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 set up message bubbles in Tencent Meetings How to set up bubble chat styles in Tencent Meetings

Course Introduction：The message bubble function of Tencent Meeting is an interface element. After it is turned on, users can see the bubble effect of chat messages in the meeting, and can see the chat messages more intuitively in the meeting. Many friends want to know where to set up message bubbles. Below I will share with you how to set them up. If you are interested, don’t go away! How to set up bubble chat style in Tencent Meeting 1. Open the Tencent Meeting APP and click on the avatar APP in the upper left corner. 2. Click Settings. 3. Click on the new chat message reminder. 4. Select the bubble.

2024-07-16 comment 0 566

What does tim online mean? What software does tim online mean?

Course Introduction：tim online is a simplified version of chat software produced by Tencent. Tutorial Applicable Model: iPhone13 System: IOS15.3 Version: tim3.4.6 Analysis 1tim Online is a simplified version of the chat software produced by Tencent. 2tim is committed to creating an efficient chat tool without any advertisements. The online working environment is very refreshing, which can effectively improve work efficiency. 3tim Online can meet the collaborative editing function of documents for many people, and has audio and video call functions. You can log in with your existing QQ account without re-registering an account. Supplement: What functions does tim online have? 1 tim online has useful business office function modules such as cloud documents, online documents, emails, schedules, and personal collections.

2024-02-22 comment 0 1712

Tencent QQ Linux version releases 3.1.1 official version

Course Introduction：Recent news: Tencent QQLinux version 3.1.1 has been officially released. Tencent QQ team officially released QQLinux version 3.0.0 at the end of last year, and then released QQLinux version 3.1.0 in February, which brought many new features and Experience and optimization content, and also newly supports the Loongarch64 architecture. ILinux3.1.1 version update log: 1. Added night mode and support for following the system to enjoy a more immersive chat experience; 2. Added QQ screenshot capability, which is fast and convenient, improving office efficiency; 3. Added group application functions, pictures, Files are easily transferred and group chats are more efficient; 4. New global search capabilities are added to further improve content search efficiency. 5. Fix some known bugs

2024-03-04 comment 0 681

JavaScript implements imitating Sina Weibo lobby and Tencent Weibo homepage scrolling special effects source code_javascript skills

Course Introduction：Recently, I saw a friend using JavaScript to realize the scrolling effect of imitating Sina Weibo lobby and Tencent Weibo homepage when not logged in. My friend used jquery to achieve it. I saw on the Internet that it is better to use js to make it, so I organized and shared my content with everyone. Please see this article for details

2016-05-16 comment 0 1697

How to set up QQ to automatically add lottery tickets

Course Introduction：As an instant messaging tool with a large user base, QQ not only provides basic chat functions, but also brings more convenient and interesting experiences to users through continuous innovation and improvement. Among them, the automatic addition of color tags function is a new feature recently launched by QQ. It can automatically add colorful tags to your reading content, helping users improve browsing efficiency. So how to set up automatic addition in Tencent QQ As for lottery tickets, the editor of this website will bring you this detailed content guide below, hoping to help you bring a better reading experience. How to set up QQ to automatically add color tags to recently browsed content 1. First open the QQ settings function. 2. Then select Accessibility. 3. Then click Color Label Settings. 4. The most

2024-06-29 comment 0 1146

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