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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17597

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 11309

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 quickly implement WeChat mini program customer service system with PHP

Course Introduction：With the rapid development of WeChat mini programs, more and more companies have begun to deploy on the WeChat platform and use mini programs to achieve more business expansion and user services. In the process of mini program marketing, good customer service is a crucial part. How to quickly implement WeChat mini program customer service system has become a topic of concern to major enterprises and developers. In this article, we will introduce how to use PHP to implement the WeChat mini program customer service system, making the communication between your business and users easier and more efficient. First, we need to know WeChat mini program customer service

2023-06-02 comment 0 1662

What are the simple systems in php?

Course Introduction：Simple PHP systems include: 1. Blog system, a common Web application, which allows users to publish and manage their own articles; 2. Online mall system, an e-commerce platform, which allows users to display and sell sellers; 3. Social network system, which allows users to publish and manage their own articles. Applications with functions such as creating personal profiles, adding friends, posting status updates, etc.; 4. Online learning platform, a website that provides education and training resources, where users can register, log in, browse courses, and learn courses; 5. Task management system, allowing users to create , applications for assigning and tracking tasks.

2023-08-16 comment 0 1093

Azure AI infrastructure is greatly upgraded! Further expanding artificial intelligence capabilities

Course Introduction：Microsoft Azure AI Infrastructure is a core pillar of Microsoft's expanded products and services, providing developers with the systems, tools and resources they need to build the next generation of AI-driven applications on the Azure platform. Microsoft's early investments in hardware and AI infrastructure are helping customers turn AI efficiency and innovation into business value. By leveraging AI, users can create richer user experiences, drive innovation, and improve business productivity. Microsoft's Azure AI infrastructure can support global scalability, and Microsoft will continue to invest and expand it in the future. Now, Microsoft has launched the NDH100v5 virtual machine series, which is equipped with NVIDIAH100TensorCore graphics processing unit (GPU)

2023-11-23 comment 0 1140

How to use PHP to implement the task approval function of WeChat applet?

Course Introduction：How to use PHP to implement the task approval function of WeChat applet? With the popularity and development of WeChat mini programs, more and more companies and organizations have begun to build their own business systems on mini programs. Among them, the task approval function is a common requirement. This article will introduce how to use PHP language to implement the task approval function of WeChat applet and provide specific code examples. 1. Preparation Before starting, we need to prepare the following environment and resources: WeChat mini program development environment: You need to register a mini program on the WeChat public platform and register it in this

2023-10-27 comment 0 903

What projects are mainly developed in PHP?

Course Introduction：Main projects developed by PHP: 1. Website development, developing dynamic websites and e-commerce websites; 2. Content management system, enabling users to create and manage website content; 3. E-commerce platform, PHP provides powerful tools and libraries; 4. Database application, seamless integration with various database systems; 5. Document management system, which can effectively manage the organization's files and data; 6. Online forums and communities, using PHP to create user registration, login and publishing Posts, etc.; 7. Customer relationship management system to manage customer information and improve sales performance, etc.

2023-08-01 comment 0 2446

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