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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11303

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 17615

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 11321

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 enter the entrance of Xianyu Circle_Introduction to the method of entering Xianyu Circle

Course Introduction：The "circle" function in Xianyu APP is a social second-hand trading community. Users can join different circles based on their hobbies or trading needs. So how to enter the entrance of Xianyu Circle? Let me introduce it to you in detail below. How to enter the Xianyu Circle entrance 1. First open the Xianyu software. After entering the homepage, we can switch to many different pages. Here we click [My] in the lower right corner; 2. Then in the My page we go After swiping up to the bottom of the page, you can find the [My Circle] function;

2024-03-20 comment 0 1079

How to set up Douyin recommendations and selections? How to switch between recommended and featured?

Course Introduction：As a short video social platform, Douyin’s recommendation and selection functions make it easier for users to discover and follow high-quality content. So, how to set up Douyin recommendations and selections? This article will give you a detailed introduction to Douyin’s recommended and selected settings, as well as how to switch between these two modes. 1. How to set up Douyin recommendations and selections? 1. Open the Douyin App, enter the homepage, click the "Me" button in the lower right corner, and then select "Settings". 2. In the settings page, find the "Recommended Settings" option and click to enter. 3. On the recommended settings page, you can see two options: "Recommended Content" and "Selected Content". By swiping the screen, you can adjust the priority of recommended and featured content. If you'd like to see more featured content, you can prioritize featured content higher

2024-06-13 comment 0 1101

How to turn off incognito mode on Momo. List of ways to turn off incognito mode on Momo.

Course Introduction：Momo provides people with a rich social experience. However, sometimes we may turn on the incognito mode for some reasons, hoping to temporarily hide our online status. However, when we want to interact with others again and share life details, turn it off. Incognito mode becomes particularly important. This article will introduce in detail how to turn off incognito mode on Momo. Don’t miss it if necessary. Overview of how to turn off incognito mode on Momo 1. First open the Momo APP on your mobile phone and log in, click on the "More" item in the lower right corner of the page to switch to the personal center page, and then click on the six sides in the upper right corner Open the Settings icon. 2. After coming to the settings page, there is a "Privacy", click on it to enter. 3. Next in the privacy settings page

2024-07-15 comment 0 337

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 1188

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 1044

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