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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11397

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 17709

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 11401

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 use Layui to achieve image switching carousel effect

Course Introduction：How to use Layui to achieve the image switching carousel effect requires specific code sample title: Detailed explanation of using Layui to achieve the image switching carousel effect Introduction: In modern web design, the image switching carousel effect has become one of the common elements. Using image carousels can make web pages more dynamic and attractive. This article will use Layui as the basis to introduce how to achieve the image switching carousel effect, and give specific code examples. 1. Introduction to Layui carousel component Layui is a classic front-end UI framework, which includes

2023-10-26 comment 0 1341

How to implement image carousel switching effect and add fade-in and fade-out animation in JavaScript?

Course Introduction：How to implement image carousel switching effect and add fade-in and fade-out animation with JavaScript? Image carousel is one of the common effects in web design. By switching images to display different content, it gives users a better visual experience. In this article, I will introduce how to use JavaScript to achieve a carousel switching effect of images and add a fade-in and fade-out animation effect. Below is a specific code example. First, we need to create a container containing the carousel in the HTML page and add it

2023-10-18 comment 0 1464

Example sharing of jQuery implementation of dot image carousel

Course Introduction：The pictures implemented at the specified position on the page automatically switch left and right to display the effect. When you click the label on the lower left of the picture (or the small dot in the middle), it switches to the corresponding picture. Next, through this article, I will share with you the example code of using jQuery to achieve the dot image carousel effect. Friends who need it can refer to it. I hope it can help everyone.

2018-01-22 comment 0 1959

How to implement image carousel function in JavaScript?

Course Introduction：How to implement image carousel function in JavaScript? Picture carousel is one of the commonly used functions in web design. It can display multiple pictures and automatically switch at a certain time interval to increase the user's visual experience. It is not complicated to implement the image carousel function in JavaScript. This article will explain the implementation method with specific code examples. First, we need to create a container in HTML to display images and buttons to control the carousel. A basic carousel container can be created using the following code: &lt

2023-10-18 comment 0 1314

jQuery plug-in implements focus image carousel switching with dots_jquery

Course Introduction：This article mainly introduces the code of the jQuery plug-in to implement focus image carousel switching with dots. It is also very simple and convenient to use. Friends who need it can refer to it.

2016-05-16 comment 0 1366

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