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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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How to create a continuously rotating animation using pure CSS?

Course Introduction：Endless Rotation Animation Using CSSRequest:Rotate a loading icon indefinitely using pure CSS.Code:#test { width: 32px; height: 32px; background:...

2024-11-05 comment 0 498

How to Create an Endless CSS Rotation Animation?

Course Introduction：Implement Endless CSS Rotation AnimationProblem:Aspiring to rotate a loading icon continuously using CSS, the provided code fails to produce the...

2024-11-06 comment 0 790

How to implement image rotation and scaling animation in Vue?

Course Introduction：How to implement image rotation and scaling animation in Vue? With the continuous development of Web technology, animation effects have become an important part of web design. In Vue, by using CSS animation and Vue's transition effects, we can easily implement image rotation and scaling animations. This article describes a simple way to achieve these effects and provides corresponding code examples. First, we need to introduce Vue and the corresponding CSS files. In the HTML file, use the <script> tag to introduce Vu

2023-08-25 comment 0 2021

Overview of new features of CSS3: How to use CSS3 to achieve rotation effects

Course Introduction：Overview of the new features of CSS3: How to use CSS3 to achieve rotation effects Introduction: CSS3 is a standard for modifying the style of HTML web page elements. Compared with CSS2, CSS3 introduces many new features, one of which is the rotation effect. Using the rotation feature of CSS3, we can easily add rotation animations to web page elements to make the page more lively and interesting. This article will introduce the rotation feature of CSS3 and give some example codes for everyone to learn and refer to. 1. CSS3 rotation attribute In CSS3, there are two

2023-09-12 comment 0 1201

How to convert HTML to MP4 format

Course Introduction：Title: How to convert HTML to MP4 format: Detailed code example In the daily web page production process, we often encounter the need to convert HTML pages or specific HTML elements into MP4 videos. For example, save animation effects, slideshows or other dynamic elements as video files. This article will introduce how to use HTML5 and JavaScript to convert HTML to MP4 format, and provide specific code examples. HTML5 video tag and CanvasAPI HTML5 introduction

2024-02-19 comment 0 1537

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