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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11389

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 17702

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 11398

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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Computer system download win7

Course Introduction：I want to install a win7 system on my desktop computer. Which version is good to download online? Download the WINISO file. Select the WINISO file, right-click the mouse and select "Extract file...", for example: extract to D:\win7, open D:\win7, double-click setup, and then Install the system according to the prompts. After the system installation is complete, activate the serial number. In theory, it can only read 25G of memory. Some can read higher memory. You can also use some software to allow the 32-bit operating system to read up to 99G of memory. Which ghost version of win7 system is good? The operating system downloaded from System Home does not require complicated steps. It can be installed directly using fool-proof installation, which is easy to get started. Win7 Ultimate: English: Windows7 Ultimate, which combines

2024-05-08 comment 0 1033

What is the source of the official Win11 ISO image?

Course Introduction：What is the official original iso image of win11? ISO (Isolation) files generally have the extension name of iso and are image files formed by copying all the information on the CD. Under Windows, special tool software is generally required to operate ISO files. For example, UltraISO, WinISO, WinImage, DaemonTools, Alcohol120%, WinMount and other virtual optical drive software. Through the ISO file, you can burn a disc that is exactly the same as the source disc. How to reinstall the original Win11 system without a USB flash drive? If you don’t have a USB flash drive, you can reinstall the original Win11 system through other methods. One way is by downloading it from the official website

2024-01-13 comment 0 1134

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