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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17646

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 11353

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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What is the difference between phpcms and dedecms?

Course Introduction：The difference between phpcms and dedecms: 1. Phpcms has stronger data control capabilities than dedecms. 2. Website seo optimization Phpcms is not as good as dedecms design. 3. The operation and advertising of Phpcms are better than dedecms.

2019-11-15 comment 0 2084

What basic knowledge is needed to learn seo

Course Introduction：The basic knowledge required to learn SEO is: 1. Web page production languages, such as html, css, php, etc.; 2. CMS systems, such as wordpress, dedecms, discuz, etc.; 3. Dreamweaver, photoshop.

2019-05-24 comment 0 11245

What is the role of meta in html

Course Introduction：The functions of the meta tag in HTML: 1. Search engine optimization (SEO); 2. Define the encoding used by the page; 3. Automatically refresh and point to a new page; 4. Realize dynamic effects during web page conversion; 5. Control page buffering; 6. , Web page rating and evaluation; 7. Control the window displayed on the web page, etc.

2021-11-17 comment 0 11599

Share a journey of learning HTML

Course Introduction：Website development process Determine the style and functionality (forum, message board, payment, user login, etc.). Artists produce web page renderings (home page, list page, content page). The production staff cuts the pictures and typesets them into a web page form. The background program starts writing programs. Combining front and backend. HTML comments <!——Comment content——> Note: Comments are for future maintenance only. Bullets <ul> <li>Content</li> <li>Content<

2017-06-24 comment 0 2461

What software is adobe dreamweaver?

Course Introduction：Adobe Dreamweaver is a WYSIWYG web code editor that integrates web page production and website management. It is a web design software; using support for HTML, CSS, JavaScript and other content, designers and programmers can create and manage web pages almost anywhere. Quickly create and build websites.

2020-11-09 comment 0 20817

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