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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11245

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 17581

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 11291

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 does the hdtune hard disk detection tool detect the performance of a USB disk? How does the hdtune hard disk detection tool detect the performance of a USB disk?

Course Introduction：Are you like the editor and not very familiar with how the hdtune hard disk detection tool detects the performance of a USB disk? The following article describes how the hdtune hard disk detection tool detects the performance of a USB disk. Let us take a look below. How does the hdtune hard disk detection tool detect USB disk performance? How to use the hdtune hard disk detection tool to detect the performance of a U disk: Insert the prepared U-deep U disk boot disk into the computer interface, turn on the computer and press the shortcut key to enter the main menu interface, select "[02] Run U-deep Win8PE installed maintenance version (new machine)" , as shown in the figure below: After entering the pe system, click on "windows icon-hard disk detection-HDTune hard disk detection" in sequence, as shown in the figure below: open HDTune hard disk detection

2024-08-06 comment 0 778

How does hdtune hard drive detection tool perform random access testing? How does hdtune hard disk detection tool perform random access testing?

Course Introduction：The article brought to you today is about the hdtune hard disk detection tool. Do you know how to test the random access of the hdtune hard disk detection tool when using it? The editor below will bring you the random access test method of hdtune hard disk detection tool, let us take a look below. How does hdtune hard disk detection tool perform random access testing? Method for random access test of hdtune hard disk detection tool 1. Insert the prepared U-deep USB boot disk into the computer interface, turn on the computer and press the shortcut key to enter the main menu interface, select "[02] U-deep WIN8 PE standard version (new machine)" ”, as shown in the figure below: 2. Enter the pe system desktop, directly click the windows icon in the lower left corner of the desktop, and then

2024-08-06 comment 0 367

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