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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11331

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 17634

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 11347

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 replace a broken McDonald's walkie-talkie? List of methods to replace a broken McDonald's walkie-talkie.

Course Introduction：The walkie-talkie toy launched by McDonald's this Children's Day is limited nationwide. This walkie-talkie not only has communication functions, but also has become a new way of communication among young people because of its unique shape and interactive gameplay, satisfying young people's pursuit of individuality and connection. Different psychological needs. Many friends want to know how to replace a broken walkie-talkie. You will know after reading this tutorial! How to replace a broken McDonald's walkie-talkie? McDonald's latest Children's Day limited set meal toy (McDonald's Walkie-Talkie) is very popular and many users placed orders at the same time. If the McDonald's walkie-talkie you got is broken, don't worry, and don't dismantle it to repair it without permission. Don’t throw away the packaging instructions and the like. Contact after-sales customer service at 4000099072. It says on the packaging, first

2024-07-10 comment 0 672

When AI 'intervenes' in childhood, will everyone's dream of having 'Doraemon' come true?

Course Introduction：Author: Internet Things Children's Day has not yet arrived, and the National Children's Day limited set meals at major chain restaurants are already running out of stock. It’s not the meals that are sold out, but the toys that come with the set meal. KFC's Sanrio, Pizza Hut's Pokémon, McDonald's Chicken McNuggets, and Wallace's Journey to the West water guns... have all been locked in advance by adults eager to celebrate Children's Day. The remaining adults who had not even touched the door of rush-buying looked at each other: the regret of not being able to allen KFC toys in childhood can last until they become financially free. However, different people naturally have different ways of pursuing their lost childhood and making up for their childhood regrets. With the help of AI, yellowed old black-and-white photos can be automatically colored, and cartoons that I watched with snowflakes on the TV in my childhood have been restored in 4K... AI technology

2023-06-02 comment 0 908

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 1204

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 1059

charles captures requests in eclipse

Course Introduction：charles captures requests in eclipse

2016-12-02 comment 0 1691

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