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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11269

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 17593

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 11305

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 jQuery to return the page to the top (code attached)

Course Introduction：Have you noticed when browsing the website that when you slide down the page, a return to the top button will appear. Click to return to the top. Do you know how to return to the top of an HTML page? This article will share with you the jQuery code that returns the simplest HTML page to the top. Interested friends can refer to it.

2018-10-18 comment 0 4313

jquery web page return to top effect (icon fade, self-writing)_jquery

Course Introduction：When there is a lot of content on a web page, users need a button to quickly return to the top, so they use js to implement it. If you want to talk more about canvas, just upload the code directly.

2016-05-16 comment 0 1196

Pure JS implements the code for clicking the button to return to the top of the page

Course Introduction：Have you noticed that whether you are browsing a website on a computer or a mobile phone, when we slide down the page, there will be a button in the lower right corner prompting the user to return directly to the top. Then you know how to use native JS to achieve the effect of returning the page to the top. ? This article will share with you the pure JS code for clicking a button to return to the top. It has certain reference value and interested friends can refer to it.

2018-10-19 comment 0 7446

How to achieve smooth scrolling to the top button with CSS

Course Introduction：How to use CSS to implement smooth scrolling to the top button In web design, in order to improve user experience, it is very important to allow users to quickly return to the top of the page. By implementing a button that smoothly scrolls to the top, the user's process of returning to the top can be made smoother and more beautiful. This article will introduce how to use CSS to achieve this function and provide specific code examples. To implement a button that smoothly scrolls to the top, you need to use CSS to control the button's style and animation effects, and combine it with JavaScript to implement the scrolling function.

2023-11-21 comment 0 1534

How to achieve the effect of clicking on the web page to return to the top in jquery? (Pictures + Videos)

Course Introduction：This article mainly introduces how to use jquery code to achieve the effect of returning the web page to the top. When we browse the pages of major websites, we must all have encountered it. When browsing a long page, when you scroll to the lower part, a button effect similar to the return to the top will appear. This special effect of clicking back to the top can greatly improve the user experience. Then it is very simple to implement such a function.

2018-10-13 comment 0 6583

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