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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 export high-definition pictures from Excel tables. Tutorial on how to save higher-definition pictures from Excel tables.

Course Introduction：How to export high-definition pictures from Excel tables? Excel tables are office software used by many users. Some users want to export their completed tables as high-definition pictures, so how do they export them? Let this site give users a detailed introduction on how to save higher-definition pictures in Excel tables. Tutorial on how to save higher-definition pictures in Excel tables 1. Select the table to be output and directly Ctrl+C or right-click to copy. Right-click on the word where you want to display the image and paste it selectively - select output as image. fenye1. Pictures pasted in picture (Windows metafile) mode have brighter colors and clearer tables. Find the copy option in the upper right corner of the WPS start bar

2024-08-22 comment 0 424

How to improve the clarity of pictures in QQ browser

Course Introduction：How to improve the high definition of pictures in QQ browser? In order to help users save more traffic, the picture quality of mobile QQ browser is the default. However, some users think that the pictures in this mode are not very high-definition. If you want to browse high-quality pictures, you need to modify the mode. The editor below brings you the steps to enable high-quality pictures in the QQ browser. Users who want to view higher-definition pictures can refer to the following steps to set up. Steps to open high-quality pictures in QQ browser: 1. First open the QQ browser on your mobile phone and click on the "My" item in the menu bar at the bottom of the browser, as shown in the figure. 2. At this time, you will enter the personal center page of QQ Security Browser for mobile phones. Click the gear-shaped "Settings" icon in the upper right corner of the page, as shown in the figure. 3

2024-01-08 comment 0 1224

Original God Amber Li drawing pictures

Course Introduction：Genshin Impact Amber's vertical painting brings you exquisite pictures of this lively and straightforward girl, the only scout knight in Mondstadt. It includes Amber's avatar, wallpapers, original pictures, vertical paintings and other high-definition original pictures. If you like Genshin Impact Players who play the role of Amber, come and collect it! Genshin Impact Amber avatar Genshin Impact Amber standing painting Genshin Impact Amber character gif picture character standby normal attack heavy attack attack element combat skill element burst Genshin Impact Amber HD wallpaper Genshin Impact Amber voiceover Chinese CV: Milk King Japanese CV: Shi See the fragrance of dancing vegetables

2024-07-27 comment 0 1354

Computer background picture collection

Course Introduction：1. Computer background pictures collection Computer background pictures collection Whether at home or in the office, we deal with computers every day. A beautiful and comfortable computer background picture can not only improve our work efficiency, but also make our visual experience more pleasant. In this article, we will introduce you to some selected computer background images that we hope will bring you inspiration and inspiration. 1. Natural scenery Natural scenery is one of the most popular themes for computer background pictures. Whether you like landscapes, forests, oceans or gardens, you'll find a wallpaper to suit you in the Nature category. These pictures will make you feel the beauty and tranquility of nature. Landscape: towering peaks, clear lakes and winding trails make people feel relaxed and happy. Forest: Dense woods and rich wild

2024-08-05 comment 0 604

How to set up HD photos and videos on TikTok

Course Introduction：To enable high-definition uploading to Douyin, follow these steps in sequence: Open the Douyin App, click the "Me" icon, and then click the "Three Horizontal Lines" menu on the upper right. Select "Settings" > "Privacy & Security" > "HD Upload" switch to turn on. Optimize your photo or video files, recommend high-resolution photos (at least 1080x1080) and videos at least 1080p (1920x1080) 30fps, and make sure the file size is under 20MB. When publishing, select a photo or video, then click "Upload" on the upper right, and then select "HD" quality.

2024-05-03 comment 0 1037

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