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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11327

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 17632

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 11338

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 code realizes automatic + manual fade-in and fade-out switching effect of picture wall_jquery

Course Introduction：You can often see the effect of automatically fading in and out of background pictures on web pages. It is very beautiful and very practical. Today I will share with you the automatic + manual fade in and out switching effect of the picture wall based on jquery code. If you are interested, Let’s study together with friends

2016-05-16 comment 0 1510

css image switching effect code [without js]_Experience exchange

Course Introduction：Very good image switching effect code, no css is needed, the code is relatively streamlined, it is recommended to use, pay attention to the compatibility of multiple browsers

2016-05-16 comment 0 2741

HTML, CSS, and jQuery: Tips for achieving image focus effects

Course Introduction：HTML, CSS, and jQuery: Techniques for Implementing Image Focus Effects In modern web design, image focus effects are a common and eye-catching effect. When a user hovers over an image, the image enlarges or becomes brighter, drawing the user's attention. This article will introduce how to use HTML, CSS and jQuery to achieve this image focus effect, and attach specific code examples. 1. Preparation Before starting, we need to prepare a picture as an example. Images can be any size

2023-10-27 comment 0 1305

How to use JavaScript to achieve the left and right drag switching effect of images?

Course Introduction：How to achieve the left and right drag switching effect of images with JavaScript? In modern web design, dynamic effects can increase user experience and visual appeal. The left and right drag switching effect of pictures is a common dynamic effect, which allows users to switch different content by dragging pictures. In this article, we will introduce how to use JavaScript to achieve this image switching effect and provide specific code examples. First, we need to prepare some HTML and CSS code to create an image containing multiple images

2023-10-21 comment 0 1494

How to use Layui to achieve image switching carousel effect

Course Introduction：How to use Layui to achieve the image switching carousel effect requires specific code sample title: Detailed explanation of using Layui to achieve the image switching carousel effect Introduction: In modern web design, the image switching carousel effect has become one of the common elements. Using image carousels can make web pages more dynamic and attractive. This article will use Layui as the basis to introduce how to achieve the image switching carousel effect, and give specific code examples. 1. Introduction to Layui carousel component Layui is a classic front-end UI framework, which includes

2023-10-26 comment 0 1319

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