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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

MoreQ&A

How to delete Pagefile.sys file

Course Introduction：How to delete Pagefile.sys? Can Pagefile.sys be deleted? What should I do if the C drive occupied by Pagefilesys is too large? My third question is that the reason why Pagefilesys takes up too much space may be that the user settings are too large, or the memory is too large, causing the pagefile.sys file to be automatically set too large by the system. So how to solve this problem? Let’s take a look with the editor of this site below! Can Pagefile.sys be deleted? Yes. It is a system file that can be deleted, but we cannot delete it directly by right-clicking it, otherwise errors such as "The file is in use or access is prohibited" will appear. Why does Pagefilesys occupy too much c drive?

2024-01-03 comment 0 1591

What should I do if Pagefile.sys takes up too much space on the c drive? Can Pagefile.sys be deleted?

Course Introduction：Pagefile.sys is the virtual memory page file created during the installation process. The size of this file is the minimum size of the virtual memory setting of your own system. Some users think that Pagefilesys takes up too much space on the C drive and want to delete it. Can the Pagefilesys file be deleted? Of course it is possible. How to delete the Pagefile.sys file that takes up too much space? 1. First, right-click "This PC" and open "Properties". 2. In "Related Settings", click "Advanced System Settings". 3. Then click on “Advanced&rdq”

2024-03-13 comment 0 1290

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