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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17646

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 11353

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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Huawei launches new Wild Green color MatePad Air tablet

Course Introduction：According to news on July 6, Huawei today announced the launch of a new MatePad Air tablet computer in Wild Green color, bringing more choices to consumers. This tablet is packed with powerful performance and an impressive set of features designed to deliver a superior user experience. Huawei MatePad Air uses an 11.5-inch full screen, introducing a 3:2 ratio 2.8K screen for the first time, showing excellent visual effects. The wilderness green color scheme uses fresh green as the main tone, giving people a fresh feeling. This color scheme is the fifth option after obsidian black, cloud brocade white, galaxy blue and feather gauze purple. According to the editor's understanding, Huawei MatePad Air is equipped with the Snapdragon 888 processor, which provides users with excellent performance. Tablet PC supports PC-level applications

2023-07-06 comment 0 718

Lenovo Xiaoxin Pad Pro 12.7 tablet's new appearance exposed, gray and green colors for you to choose, grand release this month

Course Introduction：According to news on July 8, Lenovo today unveiled the appearance design of the new Xiaoxin PadPro 12.7 tablet. This new product is unveiled in two colors: gray and green. The unique rectangular camera module design attracts a lot of attention. The fuselage is not only printed with Lenovo's English logo, but also specially marked with JBL and Dolby Atmos, which indicates its excellent sound experience. Xiaoxin PadPro12.7 metal integrated body design: abandons the traditional screen bracket to create powerful performance. 2.9K ultra-high-definition large screen: delicate visual experience. 1TB memory card expansion: meet storage needs. JBL four speakers + Dolby Atmos technology: immersive sound effect. Magnetic stylus attachment: record and create at any time. Software Xiaoxin PadPro

2024-07-11 comment 0 1268

How to use bootstrap responsive navigation bar template

Course Introduction：This article mainly introduces the use of bootstrap responsive navigation bar template in detail, including drop-down menus and pop-up box effects. It has certain reference value. Interested friends can refer to it. I hope it can help you.

2018-01-18 comment 0 1744

How to use the empire cms mobile template

Course Introduction：By using the Empire CMS mobile template, users can provide an optimized mobile browsing experience for the website. Follow these steps to use the template: Find and download the template. Upload the template to Empire CMS. Enable templates. Configure template settings. Adjust content layout. Test and publish. Tip: Update templates regularly, optimize image sizes, and use responsive design techniques.

2024-04-17 comment 0 1159

Huawei MatePad Air wilderness green color: a new choice for young workplaces in the cool summer

Course Introduction：According to news on July 6, Huawei today officially released its latest tablet product Huawei MatePad Air in wilderness green color. This tablet is positioned at the light flagship level and is designed for young professionals. The appearance design of Huawei MatePad Air is unique. The glass fiber optical plating transfer film frosting process is adopted, and nano-silver paste is added to create a unique appearance. The rear camera module adopts the design language of the cosmic star ring, making it highly recognizable in appearance. The first four colors to be launched include obsidian black, brocade white, galaxy blue and feather gauze purple. The newly launched color "Wild Green" uses refreshing green as the main tone, bringing a sense of coolness to consumers in the hot summer and further enriching personalized choices. Huawei MatePad

2023-07-07 comment 0 965

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