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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11309

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 17619

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 11325

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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Use pure CSS to implement a drop-down menu that appears after the mouse passes over it. Example explanation (with code)

Course Introduction：Just open any website on the Internet, and you will find that these websites have navigation parts, and some navigations will have drop-down menus after the mouse passes over them. So how to make such drop-down menus? In fact, you can use pure CSS to create a navigation drop-down menu.

2018-09-10 comment 0 26671

Better Navigation: How to Add a Dropdown Menu in WordPress

Course Introduction：WordPress has a built-in menu management system that makes it easy to add menus to your website. However, as you add more and more pages, posts, and other miscellaneous content, it may become impossible to include every destination in the standard menu bar. In these cases, by replacing the standard horizontal menu bar with drop-down menus, you can easily access every part of your website without cluttering your menu bar. In this quick tip, I’ll share two easy ways you can convert any standard WordPress menu into a dropdown menu. Best WordPress Navigation Plugins Before we get started, I want to mention that you can find over 7,000 of the best ever WordPress navigation plugins on CodeCanyon

2023-09-11 comment 0 1120

How to delete the 360 navigation mandatory home page in edge browser?

Course Introduction：The edge browser is loved by many users, but many users find that the homepage has been tampered with by the 360 browser during use. So what should they do? Let this site give users a detailed introduction to the tutorial on how to delete the 360 navigation forced homepage in edge browser. Tutorial on how to delete the forced homepage of 360 Navigation in edge browser 1. When the user opens the edge browser software, he can see that the currently displayed homepage is 360 Navigation. 2. At this time, the user clicks the three-dot icon in the upper right corner of the page, and a drop-down tab will pop up for the user to select the setting option. 3. Entering the settings window, the user switches the tabs on the left to the Start, Home and New Tab tabs. 4. Next

2024-07-18 comment 0 1122

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 1192

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 1046

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