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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11327

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 17632

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 11338

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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Pure CSS3 team members introduce animation special effects examples

Course Introduction：This article mainly introduces pure CSS3 team members to introduce animation special effects examples.

2017-03-06 comment 0 1937

Pure HTML5+CSS3 to create image rotation

Course Introduction：This article mainly introduces the image rotation produced by pure HTML5+CSS3. Some animation special effects achieved by HTML5 combined with CSS3 are relatively easy to implement. Interested friends can refer to it.

2018-06-05 comment 0 1851

2014 HTML5/CSS3 popular animation effects TOP10_jquery

Course Introduction：This article summarizes 10 HTML5/css3 animation special effects that are popular on this site this year, and attaches the demo address and download address for comparison and use by friends in need.

2016-05-16 comment 0 1247

How to use HTML5+css3 to achieve particle effect text animation special effects (complete code attached)

Course Introduction：When we browse web pages, we will find that today’s web pages are becoming more and more beautiful, and many animation special effects are becoming more and more cool. This is inseparable from the in-depth development of HTML5 and CSS3. Today we are going to share a text effect based on HTML5 and CSS3 - particle effect text animation effect. The content of this article is about how to use HTML5+css3 to achieve particle effect text animation special effects. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

2018-09-25 comment 0 8573

Detailed introduction to 7 cool HTML5 Canvas animation effects

Course Introduction：HTML5 is really an excellent web technology. It not only allows you to manipulate page elements more conveniently, but also allows you to achieve more animation effects through canvas. After the introduction of the HTML5 standard, CSS3 can play a greater role. This article mainly introduces some animation special effects based on HTML5 Canvas and shares them with you. I hope you like them. 1. HTML5 Canvas waterfall animation, super realistic. This is a very realistic HTML5 waterfall animation, based on Canvas, the effect is quite cool. Online demo source code download 2. HTML5 Canvas color..

2017-03-08 comment 0 2301

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