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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11279

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 17603

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 11314

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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How to use mobile station? Summarize the usage of mobile station examples

Course Introduction：At present, more and more people are using mobile phones to shop, and the traffic on mobile terminals has exceeded that on PCs. Many merchants have directly launched their own mobile sites, and some even only build mobile sites, abandoning traditional PC sites. Since mobile sites are so popular , PHP Chinese website also recommends 5 stylish mobile mall front-end templates for everyone, welcome to download! 1. Full download demonstration and download address of the mobile WAP version of the Fruit Mall website template: //m.sbmmt.com/xiazai/code/184 Full set of download of the mobile WAP version of the Fruit Mall website template. It is very beautiful. Welcome to download! ...

2017-06-11 comment 0 1662

How to design the mall's advertising table structure in MySQL?

Course Introduction：How to design the mall's advertising table structure in MySQL? When designing the advertising slot table structure of the mall, we should consider the attributes and relationships of the advertising slots to meet the operational needs of the mall website. Here's an example of a basic slot table structure design to help you achieve this goal. Advertising slot table (ad_position) table name: ad_position fields: position_id, position_name, position_desc, create_t

2023-10-31 comment 0 722

Where can I find the link to download the imToken payment platform?

Course Introduction：How to download the imToken payment platform? Visit the official website, app store or trusted third-party website to download. Choose the version compatible with your device (iOS or Android). Create or import a wallet after installation. Keep your mnemonic phrase or private key securely. Regularly update apps and platforms to ensure security.

2024-08-22 comment 0 600

What you need to know about WordPress security reinforcement!

Course Introduction：WordPress is currently one of the most popular website building platforms in the world and is widely used in various website types such as personal blogs, corporate websites, and e-commerce platforms. However, due to its wide application and open source nature, WordPress websites have also become targets of hackers. Therefore, in order to ensure the security of the website, WordPress must be hardened. This article will introduce some must-know methods of WordPress security hardening and provide specific code examples. 1. Update WordPress First

2024-02-29 comment 0 555

The country's first low-altitude airspace coordination and operation service platform was launched in Zhuhai, realizing one-network planning/approval/monitoring/services

Course Introduction：According to news from this website on June 30, according to CCTV News, this morning, the country’s first low-altitude airspace coordination and operation service platform was officially launched in Zhuhai City, Guangdong Province. According to reports, the platform system will be used in Zhuhai High-tech Zone as the first demonstration area, and will be gradually extended to the entire Zhuhai area. The platform system integrates Zhuhai city base map data, airspace planning data, meteorological data, etc., and will realize the "four networks" integration of low-altitude economic field facility network, air network, route network, and service network, and interconnect with the national management platform to form a "sea and land" "Airborne" unmanned equipment provides market operation security and realizes one-network planning, one-network approval, one-network monitoring, and one-network services for low-altitude flight activities. This site has noticed that Zhuhai officially issued and implemented the "Zhuhai City Supporting High-quality Development of Low-altitude Economy" on June 12 this year.

2024-06-30 comment 0 968

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