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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11360

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 17663

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 11379

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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The element must disappear when the page nears the end

I have this JS code for adding and removing classes when scrolling down from the top of the page, but what I want to do is disappear when you get close to the end of the page or go back to revert to the old state after some scrolling (e.g. from the right: 7px to right: -150px). I copied the same JS code and changed scrollTop>rollBottom but it doesn't work. jQuery(document).on('scroll',(e)=>{if(document.body.scrollTop>120|

2024-03-29 23:04:00

Encountering a black screen when trying to retrieve user data from the backend

On the frontend I'm using ReactJs and I've been trying to get the logged in user's data from the backend (PHP) via axios.get, set a condition for the user and if met they will be returned to the login page. The backend is returning nothing and appears to return to login. The situation is because the file that the front end is responsible for processing data is empty, so no content is returned. I've set up the session, replaced $_SESSION[] with $_POST[] and placed these snippets at the top of the page: error_reporting(E_ALL);ini_se

2024-03-29 11:08:15

Image Flex focuses on other devices, but not on my laptop

I'm creating a web page and I'm running into an issue, I have 4 images showing up on the flex in my page, when I click "Inspect" and see how it shows up on other devices I see 2 at the top images, there are 2 more images at the bottom. Enter image description here but when I go back and display it on my laptop I see 3 images at the top and 1 image at the bottom, enter image description here I was wondering what I can do to Fix it so that it always shows the images from the first picture (2 on top, 2 on bottom). This is a piece of my code img{widt

2024-02-17 20:18:55

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

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Dynamic return to top special effects code implemented by jquery_jquery

Course Introduction：This article mainly introduces the dynamic back to top special effect code implemented by jquery, which involves jQuery's timed recursive call based on the time function to implement the mobile function with buffering effect. It has certain reference value. Friends who need it can refer to it.

2016-05-16 comment 0 1624

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 1578

jquery implements the commonly used return to top effect on pages_jquery

Course Introduction：This article mainly introduces in detail the commonly used return to top effect codes for jquery implementation pages. Interested friends can refer to it.

2016-05-16 comment 0 1629

Native JS implements smooth return to the top component_javascript skills

Course Introduction：The return to top component is an extremely common web page function with simple requirements: after the page scrolls a certain distance, a return to top button is displayed. Clicking this button can scroll the scroll bar back to the beginning of the page. Next, this article will introduce to you the native JS implements smooth return to the top component. Friends who need it can refer to it.

2016-05-16 comment 0 2163

How to use Vue to implement return to top effects

Course Introduction：How to use Vue to implement return to top effects Introduction: In modern web design, the return to top button is a common function. It provides users with convenient operations and allows users to easily return to the top of the page. This article will introduce how to use the Vue framework to implement this function and provide specific code examples. 1. Create a Vue project: First, we need to create a Vue project, which can be quickly created using VueCLI. Open the terminal and execute the following command: vuecreateback-to-t

2023-09-19 comment 0 798

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