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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11302

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 17615

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 11321

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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Cool HTML5 SVG text deformation animation effects

Course Introduction：This is a very cool HTML5 SVG text deformation animation effect. This special effect uses SVG and anime.js to complete various beautiful letter animation special effects through SVG stroke animation.

2017-01-18 comment 0 1571

A set of cool hamburger icon deformation animation special effects

Course Introduction：Hamburgers is a super cool hamburger icon deformation animation special effects CSS3 animation library. This set of hamburger icon animations includes 18 different hamburger deformation animation effects. You can also customize your own hamburger icon deformation animation through Sass files.

2017-01-19 comment 0 2621

A graphic and text appreciation of 8 gorgeous HTML5 text animation special effects

Course Introduction：Text is the soul of web pages. A long time ago, someone invented many beautiful computer fonts, which gave web pages different styles. With the emergence of HTML5 and CSS3, we can make text more personalized. In some situations where necessary, we can even use HTML5 to animate text. This article shares 8 very gorgeous HTML5 text animation special effects, I hope it can be used as a reference for you. 1. CSS3 3D folding and flipping text animation Today we are going to share a CSS3 text special effects application. It is similar to the HTML5/CSS3 text effects shared before. It is also a CSS3 3D folding and flipping text animation, only...

2017-03-06 comment 0 3937

Detailed introduction to the graphic and text appreciation of 12 HTML5 animations with strange effects

Course Introduction：This article will share with you 12 HTML5 animations with unique effects. The powerful animation features of HTML5 can make your web pages more vivid and dynamic, and the interactivity will be further improved. Let’s take a look at the following HTML5 animation cases. Each case provides source code download. 1. HTML5 Canvas waterfall animation is super realistic. This time we will share a cool HTML5 Canvas waterfall animation. The waterfall animation is very realistic. The entire waterfall animation looks like a stream flowing out of the cracks in the rocks and then flying down the cliff. The effect is very good. Online demonstration Source code download ..

2017-03-06 comment 0 2023

What is the graphic format that can produce animation effects in web page files?

Course Introduction：In web page files, the graphics format that can produce animation effects is the gif format; the full name of gif is "Graphics Interchange Format", which is the graphics exchange format, which is used to display indexed color images in hypertext markup language. gif uses "Lempel- Zev-Welch" compression algorithm, supporting up to 256 colors.

2022-08-15 comment 0 6691

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