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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11370

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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Change image via onclick() function

I want to change one picture to another when clicking on the object. The code is stacked in the following order: What I want is that when I click, the image is replaced with a colored version of the image, i.e. another image. Now, I know I can do it using JQuery/JS. But I don't want to add a lot of JS code to achieve such a simple function. Is there an easier way to achieve this? Method like pseudo-selector.active class? I can't figure it out.

2023-08-18 08:53:28

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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js mouse click button to switch pictures - automatic picture switching - click left and right buttons to switch special effects code_javascript skills

Course Introduction：Today I will mainly share with you a combination of js and css code to achieve three effects of switching pictures by clicking the button with the mouse, automatically switching pictures, and switching pictures by clicking the left and right buttons. The code is very simple. Friends who need it can learn it together.

2016-05-16 comment 0 2248

Image rotation, mouse wheel zoom, mirroring, image switching js code_javascript skills

Course Introduction：This article mainly introduces you to image rotation, mouse wheel zooming, mirroring, and switching image js code, which has certain reference value. Interested friends can refer to it.

2016-05-16 comment 0 1632

js mouse click image switching effect code sharing_javascript skills

Course Introduction：This article mainly introduces the js mouse click image switching effect. It is a very practical code and is recommended to everyone. Friends in need can refer to it.

2016-05-16 comment 0 1612

js mouse click image switching effect implementation code_javascript skills

Course Introduction：This article shares with you the js mouse click image switching effect implementation code. It is a particularly cool effect. I recommend it to everyone. Interested friends can refer to it.

2016-05-16 comment 0 1797

Implementing ring icon menu rotation switching special effect based on jQuery plug-in_jquery

Course Introduction：This article will share with you a ring icon rotation switching effect based on jQuery. This is a mouse click icon menu circular clockwise or counterclockwise rotation switching code. Friends in need can refer to it.

2016-05-16 comment 0 2681

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