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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11332

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 17637

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 11349

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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Sharing the magnifying glass code for imitating Taobao product pictures based on jQuery_jquery

Course Introduction：Today I will share with you a jQuery Taobao product image magnifying glass code. This is a jQuery magnifying glass based on the jquery.imagezoom plug-in. Interested friends can refer to it.

2016-05-16 comment 0 1708

Imitation Taobao product picture magnifying glass effect based on jQuery_jquery

Course Introduction：This article mainly introduces the magnifying glass effect based on jQuery imitating Taobao product pictures, using non-component methods to achieve the magnifying glass effect. Interested friends can refer to it.

2016-05-16 comment 0 1602

JavaScript imitation Taobao product details magnifying glass effect

Course Introduction：When we often visit Taobao and look at Taobao product details, we often use the magnifying glass function of product pictures. I never knew how to implement it before. When I encounter it, I basically find code modifications online. Today I use native js to implement the following Magnifying glass effect.

2018-03-15 comment 0 3106

HTML, CSS, and jQuery: Tips for achieving a magnifying glass effect on images

Course Introduction：HTML, CSS and jQuery: Techniques for achieving a magnifying glass effect on images, with code examples. Introduction: In web design, image display is a very important part. In order to improve the user experience, we often hope to add some special effects to pictures, such as picture magnifying glass effects. This article will introduce how to use HTML, CSS and jQuery to achieve the image magnifying glass effect, and provide specific code examples. 1. HTML structure Before starting to write code, you first need to design a suitable image magnifying glass effect.

2023-10-24 comment 0 1104

How to implement image magnifying glass effect with JavaScript?

Course Introduction：How to achieve image magnifying glass effect with JavaScript? In web design, the image magnifying glass effect is often used to display detailed product images. When the mouse is hovering over the image, a magnifying lens can be displayed at the mouse position to enlarge part of the image, thereby providing a clearer display of details. This article will introduce how to use JavaScript to achieve the image magnifying glass effect and provide code examples. 1. HTML structure First, you need to create a page layout with a magnifying glass. In HTML text

2023-10-18 comment 0 1767

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