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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11461

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 17743

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 11447

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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Cool! Create responsive stacked card hover effects with CSS

Course Introduction：This article will introduce you to a cool effect, which is to use CSS to create a responsive stacked card hover effect. What is the effect? Let's continue reading!

2021-08-31 comment 0 2737

How to close Windows 11 apps, or force end a process

Course Introduction：We expect apps in Windows 11 to always run smoothly, but occasionally apps may freeze or become unresponsive. Trying to close these apps usually solves the problem, but sometimes they don't even close properly. In Windows 11, there are multiple ways to close stuck apps and even force-end a process if it's completely frozen. If you're new to this, here are a few workarounds you can try. Close the application normally. The following two methods send normal exit signals to the application and will not affect data saving. Method 1: Exit the application through the "Taskbar". When clicking the X button of the application does not work, or there is no "Close" button in the window: You can hover the mouse over the "Task

2024-02-20 comment 0 1402

How to get the Balatro Death Card

Course Introduction：In the game Balatro, there are a total of 22 unique tarot cards, each with special symbolic meaning and corresponding interactive effects. Many players don’t know how to obtain the card “Death”. The following will introduce four ways for players to obtain it. How to obtain the Balatro Death Card: 1. You can choose the planet card and JOKER at the top of the store that are sold in any combination for three yuan, and you can spend money to refresh it. 2. Death Cards can be obtained by purchasing and opening packs, but purchased items must be used immediately and cannot be saved to the inventory. 3. Players can use the Fool to copy the last used Death card after using the Death card. 4. The Emperor card can randomly produce two Tarot cards, and if you are lucky, you can produce the Death card. Death card introduction:

2024-03-08 comment 0 1807

Is AXL Coin worth holding for the long term? Is AXL Coin worth investing in?

Course Introduction：AXL Coin: Is it worth holding for the long term? AXL Coin is a cryptocurrency based on blockchain technology, issued by AXEL Company, aiming to provide a safe and efficient payment method for the gaming industry. Advantages of AXL Coin Game Industry Application: AXL Coin is specially designed for the gaming industry and can be used to purchase in-game items, pay game fees, etc. Fast transactions: The transaction speed of AXL coins is fast, which can meet the needs of gamers for fast transactions. Low transaction fees: AXL coins have low transaction fees, which can reduce transaction costs for gamers. Safe and reliable: AXL coin is based on blockchain technology and has safe and reliable features to protect user assets. Risks of AXL Coin Market Fluctuations: The cryptocurrency market is highly volatile, and the price of AXL Coin is also affected by market sentiment. compete

2024-03-05 comment 0 1159

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 1275

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