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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11425

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 17717

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 11416

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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Tutorial on how to use website imitation gadgets

Course Introduction：The website imitation gadget is a tool for downloading static web pages through URLs. Download the html code from the input URL, extract the JS, Css, Image, Picture, GIF and other static file URLs, then extract the Image static file URL from the downloaded Css code, download the static file through the URL, and set it according to the software Save rules, automatically correct html and css code link paths, and finally these static files are saved to computer folders by category.

2018-07-11 comment 36 20454

Counterfeit Paris Olympic medals are selling well on e-commerce platforms, but lawyers say there is a risk of infringement

Course Introduction：According to news from this website on August 12, the Paris Olympic Games has concluded. According to China Business News, a large number of imitation "Olympic medals" have appeared on multiple e-commerce platforms. These imitations are sold on platforms such as Pinduoduo, Taobao, JD.com and Douyin. Their appearance is almost the same as the medals won by athletes in the Paris Olympics, and the prices range from 111 yuan to 402 yuan. On Taobao, "an 'Olympic medal'" was purchased by more than 100 people within a week, and more than 1,000 people added it to their shopping carts. On Pinduoduo, an "Olympic medal" is priced at 117.99 yuan, and 231 pieces have been sold. The product on JD.com is directly labeled as "2024 Paris Olympic Games medal model collection 1:1 replica souvenir". Most merchants on Douyin avoid the words "Paris Olympics" and emphasize that it is

2024-08-12 comment 0 1029

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 1254

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 1115

charles captures requests in eclipse

Course Introduction：charles captures requests in eclipse

2016-12-02 comment 0 1748

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