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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11429

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 17723

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 11421

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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How to use jquery to achieve click expand and shrink effect

Course Introduction：When we read longer text, there are usually buttons to click to expand or collapse. This effect obviously helps improve the user experience. Then use jquery to achieve the click expand and shrink effect, and to achieve the expand and hide effect in the up and down direction, you can use the slideUp() and slideDown() methods in jQuery to achieve it.

2018-12-17 comment 0 12414

Banner ad shrink effect code implemented by jquery_jquery

Course Introduction：This article mainly introduces the Banner advertising shrinking effect code implemented by jquery, which can realize the function of clicking the button to shrink and expand the advertising image. It is very simple and practical. Friends who need it can refer to it.

2016-05-16 comment 0 1656

jQuery's method of shrinking and expanding DIV layers_jquery

Course Introduction：This article mainly introduces jQuery's method of shrinking and expanding DIV layers. It analyzes the usage techniques of toggle and animate methods in jQuery with examples. Friends who need it can refer to it.

2016-05-16 comment 0 1506

How Can I Efficiently Add Options to a Dropdown Menu Using jQuery?

Course Introduction：Enhancing Dropdown Menus with jQuery: Adding Options to a In the realm of web development, dropdown menus are often used to offer...

2024-11-28 comment 0 970

How to implement simple animation effects with jQuery? (detailed examples)

Course Introduction：In this article, we will take a look at how to use jquery to achieve some simple animation effects. Through jquery, we can achieve simple display and hide, shrink and expand, fade in and out, and simple custom animations. I hope it will be helpful to everyone!

2021-12-17 comment 0 3480

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