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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11314

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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Why does every time I save my Vite React project, a new canvas element is added to the page body instead of replacing the existing canvas element?

I'm trying to start learning ThreeJs (I'm also new to Javascript web development). After watching some tutorials, I started with Vite and React, then started with a basic rotating cube. This part works. But from what I've read about vite, saving the file I'm working on should be enough to reload it onto the page. But in fact, it's not. I checked the page content and every time I save the file, 2x the same canvas element is appended to the page body (instead of replacing the existing one), which means I have to scroll down to the bottom of the page to see

2024-03-30 09:57:49

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

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3D Rubik's Cube animation twisting special effects written in native javascript+css3_javascript skills

Course Introduction：This article mainly introduces the relevant information of the 3D Rubik's Cube animation twisting special effects written in native javascript+css3. Friends in need can refer to it.

2016-05-16 comment 0 2012

How to achieve css3 image rotation? How to achieve image rotation animation effect in css3

Course Introduction：On web pages, we can often see a picture rotating. How is such picture rotation achieved? This article will introduce to you the method of realizing image rotation animation effect in CSS3.

2018-09-12 comment 0 10928

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 1186

Automatic rotation of elements using CSS3

Course Introduction：How to implement automatic rotation in CSS3 requires specific code examples. CSS3 is a powerful style language that allows us to achieve a variety of effects and animations. One of them is auto-rotation, which is the effect that elements can rotate automatically without user action. This article will introduce how to use CSS3 to achieve automatic rotation and provide specific code examples. First, we need to set up an element to rotate. It can be a div, an image, a button, etc. We set a cla for this element

2024-02-18 comment 0 669

How to use CSS to create a rotating icon effect

Course Introduction：How to use CSS to create the effect of rotating icons. In web design, the use of icons can add vivid and concise visual effects to the page. The rotating icon is more attractive and can highlight key points or express some dynamic meaning. This article will introduce how to use CSS to create the effect of rotating icons, and provide specific code examples. First, to achieve the rotation effect of the icon, we can use the transform attribute in CSS3. This attribute can perform various 2D or 3D deformation operations on elements, including rotation, shrinkage, etc.

2023-10-27 comment 0 1451

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