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Self-study IT network Linux load balancing video tutorial

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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.

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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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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JS method to realize continuous flow of web page background_javascript skills

Course Introduction：This article mainly introduces the method of JS to realize the continuous flow of web page background. It analyzes the function of recursively calling the custom function scrollBG to realize dynamic background special effects. It has certain reference value. Friends who need it can refer to it.

2016-05-16 comment 0 1623

CSS3 code to implement dynamic background login box_form effects

Course Introduction：This article introduces a dynamic background login box special effect with animated effects based on jQuery CSS3. Friends who need it can refer to it.

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How to Achieve Opacity Gradients in CSS?

Course Introduction：Implementing Opacity Gradients in CSSIn an effort to replicate a specific visual effect involving an overlay on a dynamic background color, many...

2024-10-26 comment 0 496

How to create realistic weather dynamic backgrounds using Vue and Canvas

Course Introduction：How to use Vue and Canvas to create realistic weather dynamic backgrounds Introduction: In modern web design, dynamic background effects are one of the important elements that attract the user's attention. This article will introduce how to use Vue and Canvas technology to create a realistic weather dynamic background effect. Through code examples, you will learn how to write Vue components and use Canvas to draw different weather scenes to achieve a unique and attractive background effect. Step 1: Create a Vue project First, we need to create a Vue project.

2023-07-17 comment 0 2025

Beautiful gradient background special effects code implemented by JS+CSS (6 gradient effects)_javascript skills

Course Introduction：This article mainly introduces the beautiful gradient background special effects code implemented by JS+CSS, including 6 gradient effects, involving JavaScript related skills for dynamic operation of page element attributes. Friends in need can refer to it.

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