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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17598

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 11309

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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Summary of website materials for the 2022 New Year【Free download】

Course Introduction：The New Year of 2022 is approaching. PHP Chinese website has compiled and shared with you several vector website materials to celebrate the New Year of the Tiger. It provides AI, EPS and other formats. You can click on the corresponding link in the article to download and use it for free!

2022-01-27 comment 0 3538

What mobile phone model is honor30?

Course Introduction：honor30 is the Honor 30 mobile phone model. Honor 30 is a mobile phone released by Honor Company on April 15, 2020. It uses a 6.53-inch OLED screen and is equipped with a HiSilicon Kirin 985 eight-core processor. The total number of cameras is five, a 40-megapixel super-sensitive lens, an 8-megapixel ultra-sensitive Wide-angle lens, 8-megapixel telephoto lens, 2-megapixel macro lens, and 32-megapixel front camera. Honor 30 supports AI photography, ultra-wide angle, night scene mode, fun AR, portrait mode, short video, streamer shutter and other camera functions.

2022-11-16 comment 0 4478

What model is bmh-an20?

Course Introduction：bmh-an20 is the mobile phone model of Honor 30. Honor 30 is a mobile phone released by Honor Company on April 15, 2020. It uses a 6.53-inch OLED material screen, is equipped with a HiSilicon Kirin 985 eight-core processor, supports GPU Turbo 3.0 technology, and has a built-in Huawei self-developed dual-core NPU; for shooting, it adopts The design concept of "extra large bottom + super large pixels + super light sensitivity + super telephoto" has a total of five cameras, supporting AI photography, super wide angle, night scene mode, fun AR, portrait mode, short video, professional video and other camera functions.

2022-11-25 comment 0 19932

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 1166

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