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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11311

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 17622

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 11329

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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Custom default terms and conditions checkbox in Symfony 5

I'm new to symfony and I'm trying to build my registration page. The form and fields are generated through my FormType but I kinda want to change the appearance of the terms and conditions checkbox. By default it's label then box, I want to reverse them and put my label on the right side of the box. Is there a way to solve this problem? Thank you in advance!

2024-04-04 22:42:19

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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How to get the value of checkbox in PHP

Course Introduction：PHP can use the predefined $_POST variable to get the value of the checkbox. The predefined $_POST variable is used to collect the value from the form with method="post".

2019-10-28 comment 0 3233

Example code of layui table checkbox select all style function

Course Introduction：This article mainly shares with you an example of selecting all styles and functions in the layui table checkbox. I hope it can help you. In the previous version, the default checkbox must have a value. The default is "check". It is not suitable for making selections in tables and is difficult to change. Fortunately, after layui is upgraded, it can support not writing the name value. , to adapt to the selection operation in the table.

2018-03-09 comment 0 2644

JavaScript implements click-to-select-all function

Course Introduction：In web design and development, there are often multiple checkboxes or items that need to be checked. Manually checking each checkbox or entry can be time-consuming and laborious, especially when the number of options is large. To solve this problem, developers can add a "click to select all" button so that users can easily check all options. In this article, we will explore how to implement click-to-select-all functionality using JavaScript. First, we need an HTML form that contains multiple checkboxes. We can create a sample form using the following code: ```htm

2023-05-21 comment 0 1146

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1193

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1048

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