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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11275

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 17601

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 11310

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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Collect blessings and give out lavish gifts. Trainers who like Pokémon are in 'good luck'!

Course Introduction：Bid farewell to the old year and welcome the New Year. During the New Year, trainers who like Pokémon Rally are in good luck! "Pokémon Rally" will give you an exclusive red envelope cover ~ "Pokémon Rally" collects blessings and gives out generous gifts. Now open! Not only can you receive the exclusive red envelope cover, but there are also drones, 188 yuan cash red envelopes, zodiac figure blind boxes, prop rewards and more gifts waiting for you ~ Event time: February 2, 2024 0 Click to 24:00 on March 2 to participate. How to participate: WeChat search applet: Pokémon Rally mobile game QQ search applet: Pokémon Rally. Enter the page and click [Collect blessings now] to participate in the event. Come and compete with your hand speed. Receive the red envelope cover and celebrate the Year of Dragon Luck and Good Dreams! The first 30,000 trainers to participate in the event only need to complete the game reservation to receive "Pokémon Gathering"

2024-02-02 comment 0 897

Xiaomi Home electronic receipts are fully online, and paper receipts will no longer be actively provided from now on

Course Introduction：According to news from this website on August 1, Xiaomi Home announced today that electronic receipts have been fully launched. From now on, stores will no longer actively provide paper receipts. How to view the electronic receipt: Open Xiaomi Mall App or Xiaomi Lite WeChat applet, click My - All Orders - Electronic Receipt. In addition, from August 1st to August 11th, those who purchase Xiaomi MIX Fold 4 or Xiaomi MIX Flip folding screen mobile phones or spend a total of 6,000 yuan can participate in the electronic receipt lottery. The event prizes attached to this site are as follows: My Heart Is Surging gift box black) with 0

2024-08-05 comment 0 1249

How to delete pop-up ads on TV How to delete pop-up ads on TV

Course Introduction：How to delete the pop-up advertisements on the TV (how to delete the pop-up advertisements on the TV), how to do it specifically, follow the editor to see below. First, turn on the TV and upgrade the TV Home application to the latest version before entering. Click the "Get Cash" button on the left. Follow the prompts and use WeChat to scan the QR code on the right to log in. Login can unlock all rights, including the privilege of removing ads. Open the "+" in the upper right corner of WeChat on your mobile phone, click "Scan" in the pop-up item, and scan the QR code on the TV. After Step Reading clicks "Follow" the TV home service account, you will receive "Congratulations on getting an ad-free trial experience", click on the blue words to enter. After the "Get it for free without advertising" prompt pops up, click "Get it now" at the bottom.

2024-06-14 comment 0 342

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 1168

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 1024

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