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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11382

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 17695

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 11394

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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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 0 613

The latest computer high-definition desktop wallpaper high-definition picture collection

Course Introduction：1. The latest computer HD desktop wallpaper HD picture collection The latest computer HD desktop wallpaper HD picture collection The perfect combination of beauty and functionality: HD desktop wallpaper Spend a lot of time on the computer for work or leisure and entertainment, it is very important to have an attractive desktop background image of. High-definition desktop wallpapers not only add beauty, but also enhance your work efficiency and mood. In this article, we will introduce you to some of the latest high-definition desktop wallpapers for computers to help you find the perfect wallpaper to decorate your computer. 1. Natural scenery Natural scenery is one of the most popular desktop wallpaper themes. Whether it's a stunning view of the mountains or a sunset on the beach, bring a sense of tranquility and relaxation to your computer. Nature landscape wallpapers are not only beautiful, they can also help you relieve

2024-08-12 comment 0 603

How to implement waterfall flow layout with PHP

Course Introduction：With the popularity of social media and the increase in user demand for multimedia images, waterfall flow layout has become an increasingly popular choice for website and mobile application interface design. This article will introduce how to use PHP to implement waterfall flow layout. What is the waterfall flow layout? Waterfall layout is a fluid layout that allows content to be arranged according to adaptive size and height, creating a waterfall-like effect. This layout is typically used to display pictures, videos, or other media content. Why use PHP to implement waterfall flow layout? Although other languages and frameworks can also implement waterfall streaming

2023-06-23 comment 0 1151

How can I use SASS to randomly select a background image from a list of URLs?

Course Introduction：Sass: Utilizing Random Background Images from a Designated ListSASS, a powerful CSS extension, provides advanced functionality for stylizing web...

2024-11-17 comment 0 949

'Hundred Scenes of the South of the Yangtze River' Illustration of Waterfalls and Hanging Ice Architecture

Course Introduction："Hundred Scenes of the South of the Yangtze River" recently released a picture and architectural memories of a waterfall and hanging ice building. There may still be many players who don’t know much about this new building. Now the editor will give you a brief introduction to the waterfall and ice building. If you are interested in it, you may wish to pay more attention to help everyone better understand this new building. "Hundred Scenes of the South of the Yangtze River" Illustrated Guide of Flying Waterfall and Hanging Ice Architecture New Building - Waterfall and Hanging Ice Building Size: 2*3 Architectural Memories Li Bai has been unforgettable since he visited the Lushan Waterfall. After drinking that day, he casually recited a poem he had written: "Flying down three thousand feet, it is suspected that the Milky Way has set in the sky." He read impassionedly, and Du Fu, who was sitting across from him, also felt excited when he heard it. Infinite yearning: "If one day I can see this magnificent scenery with my own eyes, it will be worth not drinking for a year."

2024-01-25 comment 0 1377

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