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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11275

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 17601

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 11310

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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Featured! Summary of web design media icon materials [free download]

Course Introduction：In order to prevent you from being dazzled by the selection, the following PHP Chinese website will give you a selection and summary of commonly used social media icon materials in various styles, including EPS, free PNG and other formats. You are welcome to download and use them for free!

2021-06-02 comment 0 11251

Mazda may change its logo, the new logo's simple and flat design will lead the trend

Course Introduction：According to news on July 25, according to Autoguide, Mazda recently registered a new corporate logo in Japan. 1. The new "wing-shaped M" Logo has been finely adjusted based on inheriting the iconic elements since 1997. The outline changes from oval to round, making it softer and more modern. The wing lines are optimized and the visual effect is more unified. Abandon shadows and adopt a simple and flat design style, which is in line with current fashion trends. The new logo is similar in style to the logo of the Changan Mazda Arata concept car, embodying the flat design concept. It reflects Mazda's emphasis on brand image and determination to keep up with the trends of the times. 1. The registration of the new logo was completed by Mazda Motor Corporation in Japan. This triggered speculation about Ma Zi from the outside world.

2024-07-25 comment 0 717

Samsung One UI 7 new leaks: revised album icons, enhanced quick settings, optimized battery icons, etc.

Course Introduction：According to news on July 23, the source ChunBhai posted a series of tweets on his X platform account, once again sharing information about the Samsung OneUI7 interface and revealing the new icon of the Gallery application. The OneUI7 "Photo Album" application icon was reported on July 20. The source said that OneUI7 will combine Galaxy ZFold3 style rounded corners and 3D skeuomorphic design, and its style is similar to the icons of macOS and visionOS systems. The source released a leaked tweet yesterday, saying that the Samsung OneUI7 "Photo Album" application icon has a pure white background and six leaves of different colors. This is a major adjustment compared to the current fuchsia background and pure white blade design. Source@

2024-07-23 comment 0 816

How to change the homepage background image of Xiaohongshu

Course Introduction：The Xiaohongshu platform provides users with a stage to share their lives and discover beauty, giving everyone the opportunity to become the artist of their own life. Today, the editor has also prepared a method for changing the style of the background image on the Xiaohongshu homepage, so that everyone can change the background image as they like. How to change the background image of Xiaohongshu homepage 1. First open Xiaohongshu on your mobile phone and click the My button in the lower right corner of the homepage. 2. Then click the icon to edit information. 3. Then click on the background image. 4. Then select the picture. 5. Finally click Finish.

2024-06-10 comment 0 488

Inspired by Apple iOS 18, Samsung OneUI 7 design revealed: circular icons, lock screen shortcut operations, drop-down bar changes

Course Introduction：According to IT House news on July 20, the source Chunvn8888 posted a tweet on the Inspired by ThePaper OS. Based on the screenshot of the post, IT House briefly summarizes the changes that OneUI7 may bring: more circular icons. Sources say that OneUI7 will combine Galaxy ZFold3 style rounded corners and 3D skeuomorphic design, with a style similar to that of macOS and visionOS systems. icon. QuickAction on the lock screen interface The quick operations on the lock screen interface basically imitate iOS18, and users can customize them according to their needs.

2024-08-21 comment 0 1135

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