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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11279

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 17603

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 11314

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 achieve the burning and flame effects of images in Vue?

Course Introduction：How to achieve the burning and flame effects of images in Vue? In modern web development, in order to improve user experience, we often use various animation effects. Among them, the burning and flame effects of pictures are a relatively cool animation effect, which can bring more vivid and attractive visual effects to the website. As a popular front-end framework, Vue provides rich functions and flexible extensibility, and can easily achieve various animation effects. In this article, we will introduce how to use Vue to achieve the burning and flame effects of images. first

2023-08-18 comment 0 1307

AE design the operation content of burning text

Course Introduction：1. Open AE, name the flame text effect, and adjust the corresponding parameters. 2. Press ctrl+t to enter the desired text content: Fire. 3. Ctrl+y creates a new solid color layer, named the carrier layer, and appears as the carrier of the plug-in. 4. Select the carrier layer and add saber; effect-videocopilot-saber. 5. Saber is an external plug-in. It comes with many presets, such as flame, energy, etc. What we want to achieve is the effect of flame, so this time we choose flame. After selecting flame, we can set some parameters of the flame. , and then define the core as the text layer we set, so that it will automatically recognize the text layer, and then we will fine-tune its flame effect. This is based on personal needs.

2024-04-07 comment 0 709

Where to set up Douyin Spark

Course Introduction：Steps to set up Douyin Spark: Open the Douyin app. Enter the "Me" page. Select "Edit Profile". Find the "Spark" option. Turn sparks on or off. Sparks are special effects text or animation provided by Douyin, including text, animation, emoticons and other types. Use sparkles to enhance visuals, attract attention, express emotion, and increase interaction.

2024-03-31 comment 0 2171

What are the canvas special effects?

Course Introduction：Canvas special effects include particle effects, line animation, image processing, text animation, audio visualization, 3D effects, game development, etc. Detailed introduction: 1. Particle effect, by controlling the position, speed and color of particles to achieve various effects, such as fireworks, raindrops, starry sky, etc.; 2. Line animation, by drawing continuous lines on the canvas, create various effects. A dynamic line effect; 3. Picture processing, by processing pictures, you can achieve various cool effects, such as picture switching, picture special effects, etc.; 4. Text animation and other features.

2023-08-18 comment 0 1451

Vue and Canvas: How to implement custom fonts and text effects

Course Introduction：Vue and Canvas: How to implement custom fonts and text effects Introduction: In modern web development, Vue.js has become one of the most popular and widely used JavaScript frameworks. Its ease of use and flexibility provide developers with many conveniences. The Canvas in HTML5 is a powerful tool for achieving graphics and animation effects. This article will introduce how to use Canvas in Vue.js to implement custom fonts and text effects. Introducing and using Can in Vue projects

2023-07-18 comment 0 2452

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