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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11332

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 17635

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 11348

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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what is bootstrap ace

Course Introduction：Bootstrap ace is a lightweight, feature-rich, HTML5, responsive management backend template that supports browsing on mobile phones and tablets. It is based on the CSS framework Bootstrap.

2020-12-07 comment 0 2810

What is the usage of DWZ framework?

Course Introduction：Usage: 1. Page layout: DWZ framework provides a set of concise page layout styles, which can quickly build the overall framework of the backend management system; 2. Form verification: DWZ framework has a built-in set of form verification functions, which can Input is verified to ensure that the user's input meets expectations; 3. Data table display: The DWZ framework provides a set of convenient data table display components that can quickly display the data list in the background management system; 4. Pop-up windows and message prompts, etc. .

2024-03-12 comment 0 1361

Bootstrap4 tutorial on how to customize your own colors and styles

Course Introduction：Bootstrap is now the most popular CSS framework. There are many websites and background management systems whose styles are designed based on Bootstrap. However, Bootstrap has always maintained the blue + light gray color tone, and the same is true for the latest Bootstrap 4. After watching it for a long time, it is inevitable to feel some aesthetic fatigue.

2018-02-27 comment 0 2844

In-depth study of CSS framework to improve web page layout and style capabilities

Course Introduction：CSS (CascadingStyleSheets) is a language used to describe the style and layout of web pages, which makes web design more flexible and easier to manage. However, writing and managing large web style sheets can become complex and time-consuming. To solve this problem, developers have created various CSS frameworks, which provide a set of predefined styles and layout templates to make web development faster and more efficient. This article will explore several common CSS frameworks, understand their characteristics and advantages, and how to apply

2023-12-27 comment 0 1298

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 0 440

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