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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11386

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 17699

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 11397

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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Where to get QQ Music Pet Travel Preparations_Introduction to QQ Music Pet Watching Performances

Course Introduction：1. Select the store on the pet interface. 2. We need to buy supplies for pets to travel, just click on props and food. 3. Click to watch the show, and the system will prompt you to prepare for your trip. 4. Then it will go out to watch the show. When it comes back from the trip, it will bring you a live postcard with a song, and you will also have the opportunity to listen to a VIP song for free.

2024-04-08 comment 0 1212

Unlocking the mansion's floating memories: The exquisite method

Course Introduction：Fu Sheng Yi Ling Long provides a variety of gameplay modes, and players can experience different fun through the game. Mansion is one of the gameplays. To unlock this gameplay, players need to follow the following methods. Please read on. Method 1 of unlocking the mansion in The Exquisite Reminiscences of Life. Unlocking method. Complete the main storyline and automatically unlock with clear rewards and punishments. 2. How to play the mansion 1. Pets: After unlocking, you can interact with and feed your pets in the pet nest, or you can go out to work to obtain claw coins. 2. Decoration: Enter the decoration mode in the lower right corner and decorate according to personal preferences. 3. Drawings: Obtain drawings from Furniture Copy, Strange News, Mansion Store, etc. to make furniture. 4. Wishing tree: There is a wishing tree in the mansion. You can make a wish once a day, and you can get certain rewards by making wishes. 5. Flower House: solved after the third level of the mansion

2024-01-22 comment 0 1376

Not just PK, 'Dungeon and Fighter: Origins' battle gameplay guide

Course Introduction：The battle gameplay on the main interface of "Dungeon & Fighter: Origin" is mainly based on PVP, but in addition to the traditional (1V1) PK mode, there are also a variety of innovative battle gameplays. Even friends who don't like PK can still enjoy it. You can find unexpected fun in these gameplays. At the same time, the store rewards related to the battle gameplay are very generous. In addition to regular props/consumables, there are also equipment, appearances, and pets that have both strength and rarity, and are of high collection value. For specific content, please read this article’s guide to the combat gameplay of “Dungeon & Fighter: Origins”. "Dungeon & Fighter Origins" is a complete list of battle methods. The main battle methods include: ranked matches (1V1), fierce battles (2V2) and super brawls (3V3). Players can complete daily duels by participating in different players

2024-06-03 comment 0 806

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 1240

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 1096

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