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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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Why is PHP better in multi-user mall system development?

Course Introduction：Why is PHP better in multi-user mall system development? With the booming development of e-commerce, mall systems have become a powerful tool for many businesses and individuals to conduct online transactions. In the development of shopping mall systems, it is very important to choose the appropriate programming language. Among many programming languages, PHP has become one of the preferred languages for developers of city systems due to its powerful functions and wide range of applications. This article will explore in detail why PHP is better in the development of multi-user mall systems, and attach corresponding code examples. First of all, PHP has rich development resources.

2023-09-09 comment 0 922

What program is ecshop?

Course Introduction：ECShop is a B2C independent online store system. It is a cross-platform open source program developed based on PHP language and MYSQL database architecture. It is suitable for enterprises and individuals to quickly build personalized online stores. The characteristics of the ecshop mall system: 1. Support independent secondary development; 2. Rich templates and plug-ins; 3. Strong industry adaptability; 4. Avoid being constrained by software vendors; 5. Stronger reliability and stability.

2023-02-16 comment 0 2455

What are the unique features of the multi-user mall system developed by PHP?

Course Introduction：What are the unique features of the multi-user mall system developed by PHP? With the rapid development of the Internet, e-commerce has become a new trend in modern business. In order to meet the needs of different merchants and users, developers began to actively develop multi-user mall systems. PHP is currently one of the most commonly used Web development languages, and many shopping mall systems are also developed based on PHP. So, what are the unique features of the multi-user mall system developed by PHP? This article will explore the following aspects. Highly customizable: PHP is an open source language, which means

2023-09-11 comment 0 1393

What can thinkphp develop?

Course Introduction：ThinkPHP is suitable for rapid development of various Web applications, including: 1. Enterprise-level applications (CRM, ERP, OA, logistics management, financial management); 2. E-commerce websites (online malls, group purchases, C2C, B2C, payment systems) ;3. Blogs and content management systems (blogs, CMS); 4. Forums and communities (online news, magazines); 5. Mobile applications (mobile websites, mobile APPs, WeChat official accounts, mini programs); 6. Others Applications (API development, data analysis, data visualization, cloud computing).

2024-04-09 comment 0 1125

Research on the scalability of Ecshop products: practice of adding new fields

Course Introduction：ECShop is a powerful open source B2C e-commerce system that is deeply loved by the majority of e-commerce companies. It has rich functions and flexible scalability, allowing users to carry out customized development according to their own needs. This article will discuss the product scalability of ECShop, focus on the practical application of new fields, and provide specific code examples. 1. Overview of ECShop product scalability ECShop, as a mature e-commerce system, has complete product management functions, but sometimes users may need to modify the products.

2024-03-13 comment 0 1258

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