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Self-study IT network Linux load balancing video tutorial

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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

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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

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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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Methods and techniques on how to achieve floating animation effects through pure CSS

Course Introduction：Methods and techniques on how to achieve floating animation effects through pure CSS. In modern web design, animation effects have become one of the important elements that attract users’ attention. One of the common animation effects is the floating effect, which can add a sense of movement and vitality to the web page, making the user experience richer and more interesting. This article will introduce how to achieve floating animation effect through pure CSS, and provide some code examples for reference. 1. Use the transition attribute of CSS to achieve the floating effect. The transition attribute of CSS can

2023-10-25 comment 0 1238

CSS Animation Guide: Teach you step-by-step to create shaking effects

Course Introduction：CSS Animation Guide: Teach you step-by-step to create shaking effects. In web design, animation effects are one of the important elements that improve user experience and attract users’ attention. CSS animation is a technology that uses pure CSS to achieve animation effects. Today, we will teach you step by step how to create a stunning shaking effect to make your web page more vivid and interesting. First, let's create a basic HTML structure. The code is as follows: <!DOCTYPEhtml><html><h

2023-10-20 comment 0 1488

Immortal legend! 'Peace Elite' divine outfit 'Dune Lord' was released today

Course Introduction：Today (April 26), the "Dune Lord" costume of "Peace Elite" is shockingly released! As the king of the year skin, the "Dune Lord" action action effect is 100% full, bringing unprecedented capabilities to the special forces. A sense of oppression and visual impact! At the same time, the domestic cross-dimensional celebrity and Dune special soldier "Karina" transformed into the Lord of Dune, interpreting the past and present life of the Lord of Dune, and launched the visual special effects of the movie "Dune". Blockbusters. Surprises are added! "Peace Elite" "Dune Lord Bounty Competition" will start on May 2, and you will share the 10,000-yuan gold bar prize! The King of Peace annual bomb skin! The divine outfit "Dune Lord" is now released as "Peace Elite" The most popular skin among original skins, "Styx Warrior" is irreplaceable in the hearts of the majority of special forces. since

2024-04-26 comment 0 467

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 1221

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 1077

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