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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11332

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 17635

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 11348

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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Chongqing Yongchuan plans to build a western science and technology film and television city: the only science and technology studio in the west, with shooting quality comparable to Hollywood

Course Introduction：According to news from this site on June 26, the first China Chongqing Science Fiction Film Week was held in Yongchuan, Chongqing from June 25 to 30. With the theme of artificial intelligence revolutionizing the film and television industry, "film and television industrialization, film and television industrialization, Five themed characteristic exhibition areas and standard exhibition areas: virtual shooting, artificial intelligence display, post-production special effects, and intelligent whole process. According to Zhang Zhikui, secretary of the Yongchuan District Party Committee, Yongchuan is working hard to build a western science and technology film and television city with Chongqing recognition and national influence. "Yongchuan has the only high-tech studio in the west and the country's leading technology studio. It is equipped with the largest, brightest, and best-standard virtual studio in the country. The shooting quality is in line with the industrialization level of Hollywood film and television. It can serve multiple large and medium-sized crews at the same time, building a film and television Create a whole industry chain system to realize industrial

2024-06-26 comment 0 379

Top Free WordPress Themes for Kids Websites

Course Introduction：Themes are the core component of any WordPress website. They play a very important role in determining the functionality and appearance of your website. A fresh WordPress installation does install some default themes. However, the theme that's right for you depends on the type of website you want to create. It’s obvious that a photography website has completely different needs than a news website or an e-commerce website. Therefore, it is very important to install the right theme on your website. WordPress is a popular CMS platform, so you can easily find a variety of free and paid themes for your website. In this article, my focus will be on free themes for WordPress kids websites. Children's Educational Theme Children usually don't like to study. Therefore, create a

2023-09-11 comment 0 1046

How to adjust a WordPress theme to avoid misaligned display

Course Introduction：How to adjust WordPress themes to avoid misaligned display requires specific code examples. As a powerful CMS system, WordPress is loved by many website developers and webmasters. However, when using WordPress to create a website, you often encounter the problem of theme misalignment, which affects the user experience and page beauty. Therefore, it is very important to properly adjust your WordPress theme to avoid misaligned display. This article will introduce how to adjust the theme through specific code examples.

2024-03-05 comment 0 912

How to use child themes in wordpress

Course Introduction：A WordPress child theme is an extension of an existing theme that can be customized without affecting the original file. Benefits include security, flexibility, portability, but be aware of compatibility, backups, and avoid editing original files directly.

2024-04-16 comment 0 698

PHP and Exif: How to get the AF area information of a photo

Course Introduction：PHP and Exif: How to get the AF area information of a photo Photography enthusiasts often use the autofocus (AF) function to take photos to ensure that the subject is clear and sharp. For some special shooting scenes, it is also very useful to know the autofocus area (AF area) of the subject in the photo. In this article, we will introduce how to use PHP and Exif functions to obtain the AF area information of a photo, and demonstrate it with code examples. First, we need to understand what Exif is. Exif(Exchangeable

2023-07-29 comment 0 1146

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