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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11450

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 17736

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 11438

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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golang framework user manual

Course Introduction：The Go framework provides an application framework, dependency management, and utilities. This article explores three popular frameworks: Gin framework: High-performance and easy-to-use, suitable for building web applications. Echo Framework: High performance and scalable, focused on creating RESTful APIs. Beego framework: a full-stack framework with functions such as ORM, routing, and template engines.

2024-06-04 comment 0 1030

How PHP implements visual website backend management and provides convenient data query and management

Course Introduction：PHP, as a commonly used server-side scripting language, is widely used in the field of website backend development. The PHP language has process-oriented and object-oriented characteristics, as well as a wealth of third-party class libraries and tools, allowing developers to easily create an easy-to-use and maintainable website back-end management system. In this article, we will introduce how to use PHP to implement visual website backend management to provide convenient data query and management. Choosing a suitable development framework When implementing a website backend management system, it is very important to choose a suitable development framework. P

2023-06-27 comment 0 1508

What does the empire cms directory structure mean?

Course Introduction：The Empire CMS directory structure consists of seven main directories, which together provide a framework for organizing and managing content and system components: eadmin: Backend management files (user interface, content management and settings) data: Content data (articles, categories, comments etc.) include: system core functions and files lib: third-party libraries and modules (extended functions) skin: website templates and themes (appearance customization) www: website front-end directory (user access) wwwroot: website root directory (entry point)

2024-04-17 comment 0 473

What is the django framework mainly used for?

Course Introduction：The django framework is mainly used to quickly develop high-quality web applications, including web application development, database management, backend management, API development, etc. Detailed introduction: 1. Web application development: Django provides a complete set of development tools and frameworks that can help developers quickly build feature-rich, efficient and stable Web applications. Contains many commonly used components and functions, such as URL routing, template engine, form processing, user authentication, database operations, etc., which greatly simplifies the development process of web applications; 2. Database management, etc.

2023-11-20 comment 0 3547

PHP cross-platform development ecosystem and resource guide

Course Introduction：PHP is a powerful cross-platform language, and its ecosystem includes: Frameworks (such as Laravel and CodeIgniter) provide a structured foundation. ORMs (such as Doctrine and Eloquent) simplify database interaction. Template engines such as Twig and Blade enable cross-platform compatible HTML/XML output. The Composer package manager simplifies third-party library management. This article provides a resource guide to help developers leverage the PHP ecosystem to create cross-platform web applications, command line tools, and mobile applications.

2024-06-02 comment 0 465

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