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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17597

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 11309

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 synthesize a frozen city? PS tutorial for synthesizing a frozen city poster

Course Introduction：1. Open a picture of a landmark building in Shanghai. I found this one from alphawallhaven, the picture is quite big. Cut out the building, and then remove the building on the background, leaving only the sky. 2. Drag in the material. This material was found in pexels. This scene seems to be quite famous. Many photos I saw seemed to be taken in this place, but from different angles. Add a mask to hide the top half of the material. 3. Open another material, cut out the long iceberg in the middle and put it into the composite document. 4. The mountain in the material is a little smaller and feels too short. Make a copy and then add a mask. Make the iceberg part taller. 5. Create a layer group for these two iceberg layers, then add a mask to this layer group and brush the city buildings

2024-06-12 comment 0 1088

Heroes of Infernal Affairs' Golden General Lineup Recommended List of Heroes of Infernal Affairs' Strongest Lineups

Course Introduction：Heroes of Infernal Affairs is a popular mobile game with the theme of the Three Kingdoms. In this game, the element of lineup is very important, so today I will share with you the relevant content about the strongest lineup of Heroes of Infernal Affairs gold card. , let us take a look at the strongest lineup of Heroes of Infernal Affairs: Wei lineup: Cao Ren + Cao Pi + Zhang He + Xu Huang + Xiahou Dun + Xu Chu Shu lineup: Zhao Yun + Guan Yu + Zhang Fei + Ma Chao + Jiang Wei + Liu Bei The lineup of Wu: Sun Ce + Sun Quan + Xiao Qiao + Da Qiao + Zhou Yu + Lu Meng The lineup of heroes: Lu Bu + Dong Zhuo + Hua Xiong + Gongsun Zan + Zhang Jiao + Hua Tuo In the game Heroes of Infernal Affairs, there are many combinations of lineups planned. This includes mix and match and national team combinations, but because the attribute bonus of the mix and match is not as high as that of the national team,

2024-08-19 comment 0 916

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 1166

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 1023

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