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Self-study IT network Linux load balancing video tutorial

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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

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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

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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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Vue component development: implementation method of step bar component

Course Introduction：Vue component development: Step bar component implementation method, specific code examples are required Introduction: The step bar component is a common UI component, and its use can be seen in many applications, such as user registration process, order submission process, etc. This article will introduce how to use Vue.js to develop a step bar component and give specific code examples. Step 1: Preparation work First, we need to introduce Vue.js and style library (such as Bootstrap) into the project, as well as the icon library of the step bar component (such as FontAweso

2023-11-24 comment 0 1138

Implementation steps of how to use CSS to create a rotating progress bar

Course Introduction：Implementation steps on how to use CSS to create a rotating progress bar. CSS is a style sheet language used to design and layout web pages. It provides a wealth of properties and functions. One of them is that you can make a rotating progress bar using CSS. This special effect can be used to show page loading or task progress. The following are the specific implementation steps and code examples: Step 1: HTML structure First, we need to create an element containing a progress bar in HTML. Here is a simple example: <divclass="

2023-10-18 comment 0 1066

How to change layui framework to bootstrap

Course Introduction：Converting from LayUI to Bootstrap involves the following steps: 1. Import the Bootstrap library; 2. Replace UI components; 3. Adjust styles; 4. Refactor JavaScript code; 5. Adapt the layout. When converting, consider using a JavaScript framework to simplify the process, and be careful to back up your code and make any necessary additional adjustments.

2024-04-26 comment 0 1101

How to use Vue and Element-UI for page layout design

Course Introduction：How to use Vue and Element-UI for page layout design In modern front-end development, building page layout is a very important part. As a popular JavaScript framework, Vue is widely used in the development community for its flexibility and high customizability. Element-UI is a Vue-based UI framework that provides a wealth of components and styles, making it easy to build beautiful and easy-to-maintain page layouts. This article will introduce in detail how to use Vue and Eleme

2023-07-21 comment 0 2536

How to quickly create a css framework

Course Introduction：To quickly build a CSS framework, you can follow the following 9 steps: 1. Clarify your project needs and goals; 2. Choose a suitable CSS framework; 3. In-depth study of the documentation and usage guide of the selected framework; 4. Build the project The basic HTML structure; 5. Use the styles and components provided by the framework to build the page; 6. Customize the styles provided by the framework; 7. Ensure that the project has a good responsive design on different devices; 8. Conduct comprehensive testing and debugging; 9. Optimize the performance of the CSS framework by merging and compressing CSS files.

2023-12-26 comment 0 1342

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