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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11267

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 17593

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 11304

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 implement WeChat mini program online customer service system with PHP

Course Introduction：With the development of WeChat mini programs, more and more companies have begun to develop marketing and sales businesses on WeChat mini programs. The online customer service system is one of the important channels for communication between enterprises and customers. This article will introduce how to use PHP to implement the WeChat mini program online customer service system. 1. Introduction to the WeChat Mini Program Customer Service System The WeChat Mini Program customer service system, also known as the WeChat public account online customer service system, refers to a network platform built by enterprises on the WeChat platform to communicate with customers. Through the WeChat mini program customer service system, companies can provide online customer service consultation and order inquiries.

2023-06-03 comment 0 2341

Detailed explanation on the increase in mini program size from 1M to 2M

Course Introduction：1. Third-party platforms support mini programs. Third-party platforms have added mini program authorization and hosting. After the mini program administrator authorizes the mini program to a third-party platform, the platform can help the mini program with code development and account management. After the mini program is authorized, the capabilities of the third-party platform are as follows: configure server address code development, upload, submit and publish template messages, customer service messages. For details on WeChat login, please see: WeChat Open Platform (open.weixin.qq.com) Resource Center Document Here Function, a group of start-up companies such as myself are interested in developing universal mini program products. 2. New data for mini programs...

2017-04-26 comment 0 3547

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 1660

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 1137

How to implement group purchasing function in WeChat mini program with PHP

Course Introduction：With the popularization of mobile Internet and the continuous expansion of the WeChat ecosystem, the use of WeChat mini programs is becoming more and more widespread. There are many application scenarios for WeChat mini programs. One of the more common scenarios is the merchant development platform, which displays and sells products through mini programs. In this process, the group buying function is also a very important part, which can help merchants increase sales and customer stickiness. This article will introduce how to implement the group purchasing function in WeChat mini program in PHP. 1. The need for group buying in mini programs To implement the group buying function in WeChat mini programs, it is necessary to

2023-06-02 comment 0 1574

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