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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 17637

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 11349

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 modify the homepage of dedecms

Course Introduction：The steps for dedecms to modify the homepage are: 1. Log in to the backend management interface; 2. Navigate to template management; 3. Select the default template for the website homepage; 4. Edit the homepage template, add, delete or edit content, and adjust the style; 5. Once you have finished modifying the home page template, click the Save button to apply the changes to the website.

2023-08-03 comment 0 1656

Is Empire CMS a program or a template?

Course Introduction：Empire CMS is a content management system with programs and templates, consisting of program part and template part: 1. Program part, which refers to the background management interface and the background logic and database processing of various functional modules, and is responsible for realizing the core functions of the website; 2. , The template part refers to the design and display template of the front-end user interface, which is used to define the layout, style and interactive effect of the website.

2023-08-02 comment 0 940

How to use React to develop a responsive backend management system

Course Introduction：How to use React to develop a responsive backend management system. With the rapid development of the Internet, more and more companies and organizations need an efficient, flexible, and easy-to-manage backend management system to handle daily operations. As one of the most popular JavaScript libraries currently, React provides a concise, efficient and maintainable way to build user interfaces. This article will introduce how to use React to develop a responsive backend management system and give specific code examples. Create a React project first

2023-09-28 comment 0 1078

Can js be used in vue?

Course Introduction：Yes, JavaScript can be used in Vue because it is a progressive JavaScript framework that allows developers to use JavaScript to create responsive user interfaces, including defining templates, rendering data, handling events, managing state, and implementing component communication.

2024-04-30 comment 0 455

What role does vue play in front-end development?

Course Introduction：Vue.js is a progressive JavaScript framework mainly used to simplify the front-end development process. Its functions include: declarative template syntax to improve readability; responsive data binding to automatically synchronize interface and data; component development to improve maintainability; state management (Vuex) to simplify state management; routing (Vue Router) , manage single-page applications; enrich tools and ecosystem to accelerate development.

2024-04-06 comment 0 1245

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