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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.

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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.

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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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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.

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HTML5 Canvas implements fireworks blooming special effects_html5 tutorial skills

Course Introduction：This is a gorgeous HTML5 Canvas animation. It will simulate the animation special effects of fireworks blooming in our lives. The effect is very realistic. Let’s briefly analyze the process and code of implementing this HTML5 fireworks special effect. For those who are interested You can refer to it

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HTML5 Canvas realizes the special effects of fireworks blooming

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Example tutorial HTML5 Canvas super cool fireworks bloom animation implementation code_html5 tutorial skills

Course Introduction：This is a cool HTML5 Canvas animation. It will simulate the animation special effects of fireworks blooming in our real life. The effect is very realistic. Let's briefly analyze the process and code of implementing this HTML5 fireworks special effect. It is mainly composed of HTML code. , CSS code and Javascript code, of course the javascript code is the most important

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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.

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