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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11321

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 17629

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 11331

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 JavaScript to achieve the infinite scroll effect of automatically loading when scrolling to the bottom of the page?

Course Introduction：How does JavaScript achieve the infinite scroll effect of automatically loading when scrolling to the bottom of the page? The infinite scroll effect is one of the common features in modern web development. It can automatically load more content when scrolling to the bottom of the page, allowing users to obtain more data or resources without manually clicking buttons or links. In this article, we'll explore how to use JavaScript to achieve this functionality and provide specific code examples. To achieve the infinite scrolling effect of automatically loading when scrolling to the bottom of the page, it is mainly divided into the following

2023-10-27 comment 0 1470

How to use JavaScript to achieve the fade-in effect of automatically loading content after scrolling to the bottom of the page?

Course Introduction：How does JavaScript achieve the fade-in effect of automatically loading content after scrolling to the bottom of the page? In modern web design, it is a very common requirement to scroll to the bottom of the page to automatically load content with a fade-in effect. This article will use JavaScript as an example to introduce how to achieve this effect. First, we need to use JavaScript to listen for page scroll events. When scrolling to the bottom of the page, we will trigger a function that loads new content. //Listen to the page scroll event window.addEv

2023-10-16 comment 0 1059

How to use JavaScript to achieve the loading prompt effect of automatically loading when scrolling to the bottom of the page?

Course Introduction：How does JavaScript achieve the loading prompt effect of automatically loading when scrolling to the bottom of the page? Infinite scroll is a very popular feature in modern web development. When the user scrolls to the bottom of the page, more content automatically loads without having to click buttons or links. This dynamic loading provides a better user experience, allowing users to browse more content seamlessly. This article will introduce how to use JavaScript to achieve the loading prompt effect of automatically loading when scrolling to the bottom of the page. To achieve scrolling to the bottom of the page, automatically add

2023-10-18 comment 0 1145

jQuery creates smooth page scrolling (top or bottom)_jquery

Course Introduction：How to create a smooth scrolling effect is the purpose of this article. Using jQuery allows you to scroll to the top or bottom of your web page. It is a pretty good effect. If you are interested, don’t miss it.

2016-05-16 comment 0 1000

Tips for achieving smooth scrolling effects with CSS properties

Course Introduction：Tips for achieving smooth scrolling effects with CSS properties In web design, scrolling effects are widely used in menu navigation, smooth scrolling to the top and bottom of the page, etc., to make the user experience smoother and more comfortable. This article will introduce some commonly used CSS properties and code examples to help you achieve smooth scrolling effects. 1. Smooth scrolling is achieved through the CSS attribute scroll-behavior. scroll-behavior is a CSS attribute that can control the scrolling behavior inside the container element. By setting scro

2023-11-18 comment 0 1583

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