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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11314

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 17628

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 11330

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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javascript - About the problem of js calling local image path?

I saw a video on the Internet and modified Lu Jin to make a picture switch, and then I tried to write it myself. var arr=["./images/1.jpg","./images/2.jpg","./images/3.jpg","./images/4.jpg"]; {Code... } But through alert, we can see that the path is a long string of characters. What can we pass...

2017-05-19 10:08:58

HTML div element shrinks after adding form tag

I added the Form tags outside the div elements but for some reason they shrink. I'm using Bootstrap and I'm guessing it's because I've set the main container div to "row" and when I switch it to "col" it no longer shrinks, but that's not the layout I want. This is my code: <divclass="row">{{form()}}<divclass="col-sm-3col-md-3"><

2023-09-13 19:06:45

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

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js supports left and right switching three-dimensional image carousel effect code sharing under keyboard control_javascript skills

Course Introduction：This article mainly introduces the left and right switching three-dimensional image carousel effect that JS supports keyboard control. It is a very practical code and is recommended to everyone. Friends in need can refer to it.

2016-05-16 comment 0 1389

How to Replace jQuery Class Toggling with Pure JavaScript?

Course Introduction：Pure JavaScript Alternative for jQuery Class TogglingProblem:Converting a jQuery code that toggles class names for a responsive menu to pure JavaScript.Solution:Option 1:Utilize the classList.toggle() method, which is supported by most modern browser

2024-10-21 comment 0 1100

How to use HTML, CSS and jQuery to create a responsive image switching effect

Course Introduction：Creating responsive image switching effects is one of the common tasks in front-end development. In this article, we will use HTML, CSS and jQuery to achieve this effect. Below are detailed steps and specific code examples. HTML structure First, we need to create the HTML structure required for the image switching effect. You can use the following code example to create a simple HTML structure. <divclass="slider-container">

2023-10-24 comment 0 974

How to use the swiper component to implement image switching in a small program

Course Introduction：Today we are going to learn how to use the swiper component to switch images. The function of the code is to use the swiper component to switch between three pictures. The renderings are as follows:

2017-03-03 comment 0 2888

js mouse click button to switch pictures - automatic picture switching - click left and right buttons to switch special effects code_javascript skills

Course Introduction：Today I will mainly share with you a combination of js and css code to achieve three effects of switching pictures by clicking the button with the mouse, automatically switching pictures, and switching pictures by clicking the left and right buttons. The code is very simple. Friends who need it can learn it together.

2016-05-16 comment 0 2222

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