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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11330

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 17633

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 11347

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 - How to implement a DIY page?

Maybe the title description is not very clear, so let’s go directly to the rendering. As shown in the rendering above, you can edit the configuration parameters yourself and then preview them. Each module can also be dragged and dropped. I would like to ask how this technology is implemented?

2017-05-24 11:37:22

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

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How to implement drag-and-drop editable module function in jquery

Course Introduction：Block Method With the popularity of web applications, more and more websites require interactivity and editability functions. One way to achieve interactivity and editability is to use a JavaScript library such as jQuery. jQuery is a lightweight JavaScript library that makes front-end web development easier and more efficient. In this article, we will introduce how to use jQuery to implement drag-and-drop editable modules. 1. Create HTML layout and use jQuery to implement drag-and-drop editable modules

2023-04-17 comment 0 824

JavaScript implements dragging and resizing of divs similar to the QQ space personalized editing module_other special effects

Course Introduction：The personalized editing module of qq space can drag elements on the page at will and adjust the size to achieve dynamic layout; this effect is really cool, so let’s implement one too

2016-05-16 comment 0 1217

jquery implements div drag effect function (with code)

Course Introduction：This time I will bring you jquery to implement the div drag effect function (with code). What are the precautions for jquery to implement the div drag effect function? The following is a practical case, let's take a look.

2018-04-25 comment 0 1535

How to use Layui to develop a drag-and-drop team collaboration editor

Course Introduction：How to use Layui to develop a team collaboration editor that supports drag-and-drop. In modern team collaboration, collaborative editors have become an essential tool. It can help team members share and edit documents in real time and improve work efficiency. This article will introduce how to use Layui to develop a team collaboration editor that supports drag-and-drop, and provide specific code examples. The basic functions of the collaborative editor mainly include text editing, real-time sharing and drag-and-drop. Among them, the text editing and draggable functions can be realized using the Layui framework, and the

2023-10-26 comment 0 1555

How to use Vue to implement a drag-and-drop visual editor?

Course Introduction：Vue is a modern JavaScript framework. When implementing a visual editor, it can provide a rich set of components, instructions, life cycle hooks and other functions. It also provides some convenient APIs for the implementation of drag-and-drop interaction. In this article, we will introduce how to use Vue2.x to implement a drag-and-drop visual editor to facilitate web developers to quickly implement corresponding functions in their projects. Component structure First, we need to split the component structure of the visual editor, which usually consists of the following

2023-06-25 comment 0 4642

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