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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11275

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 17601

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 11310

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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jQuery drag-and-drop sorting plug-in creates drag-and-drop sorting effect (with source code download)_jquery

Course Introduction：Using the jquery drag sorting plug-in to create a drag sorting effect is a very practical mouse drag layout plug-in that is sometimes used on websites. Today I will share with you the jQuery drag sorting plug-in to create a drag sorting effect. Friends in need can refer to it.

2016-05-16 comment 0 1466

HTML, CSS, and jQuery: Tips for drag-and-drop sorting of images

Course Introduction：HTML, CSS, and jQuery: Tips for implementing drag-and-drop sorting of images In modern web design, drag-and-drop sorting of images has become a common and popular feature. By dragging images, users can freely adjust the order of images, thereby improving user experience and interactivity. This article will introduce how to use HTML, CSS and jQuery to implement image drag and drop sorting, and provide specific code examples. 1. HTML structure First, create an HTML file and set the basic page structure. We will use a

2023-10-25 comment 0 1219

javascript - How to get the currently dragged data and the position after dragging in DataTable?

Course Introduction：1. Datatables plug-in, as shown below, how to save the current sorting after dragging? 2. How do I get the data of dragging 2 and the data of 5 after dragging to 5?

2016-09-03 comment 0 1335

How does DataTable obtain the currently dragged piece of data and its position after dragging?

Course Introduction：1. Datatables plug-in, as shown below, how to save the current sorting after dragging? 2. How do I get the data of dragging 2 and the data of 5 after dragging to 5?

2016-09-05 comment 0 1130

List drag sorting implementation code based on JQuery_jquery

Course Introduction：There are several drag plug-ins based on JQuery that are quite easy to use and have good effects, but no matter how good they are, it is best to figure out one yourself. Therefore, my philosophy is that even if someone else's program is used in an actual project, I have to write one based on my own understanding and ideas. So today, let’s see if my idea can realize the drag sorting function.

2016-05-16 comment 0 1302

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