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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11371

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 software are there for html?

Course Introduction：Recommended HTML editing software: Sublime Text (simple interface, fast loading) Atom (open source, customizable) Visual Studio Code (smart completion, Git integration) Notepad++ (lightweight, multi-language syntax highlighting) Brackets (real-time preview, embedded editing) browser) Dreamweaver (visual editing, CSS designer) WebStorm (advanced code navigation, JavaScript refactoring) Bluefish (lightweight, supports multiple web technologies)

2024-04-05 comment 0 1292

What are the methods of html formatting?

Course Introduction：HTML formatting method: 1. Use online HTML formatting tools; 2. Use the HTML formatting shortcut keys that come with the code editor, such as Shift + Alt + F in Visual Studio Code; 3. Use plug-ins, such as Sublime Text HTML/CSS/JS Prettify plug-in; 4. Use command line tools, such as HTML Tidy; 5. Manual formatting according to coding standards and habits.

2024-03-08 comment 0 1274

How to solve the problem that the video exported by Bee Clip has no image

Course Introduction：Bee Editing is an excellent video editing software with rich and powerful functions. It supports simultaneous editing of multiple tracks, making it convenient for users to edit videos. Recently, some users have reported that there are no images after exporting the edited videos. I don’t know what’s going on. In this regard, This article brings a detailed solution to this problem. Let’s share it with everyone. Let’s take a look. How to solve the problem that the video exported by Bee Clip has no image? 1. The FLASH plug-in is not installed on the device. If the FLASH plug-in is not installed on the device, the image cannot be viewed. You can download it. 2. The program blocks device programs or other software from blocking image playback. Check the window information, if it is turned on. 3. The video format exported cannot be recognized, resulting in only sound but no image. Downloadable players that can play exported video formats.

2024-08-28 comment 0 867

What functions does the Empire CMS template developer have?

Course Introduction：Empire cms template developer is a comprehensive tool that provides users with comprehensive template management and design functions: Template management: create, edit, preview, import and export templates. Design features: visual editor, drag-and-drop elements, advanced styling options, and mobile responsiveness. Other features: database connection, plug-in support, SEO optimization and team collaboration.

2024-04-17 comment 0 768

How to modify and edit PDF files

Course Introduction：1. How can I modify and edit PDF files? PDF files are usually created in a static manner and are not easy to edit directly. But you can use the following methods to modify and edit: 1. Use PDF editing tools: Use professional PDF editing tools, such as Adobe Acrobat, FoxitPhantomPDF, WondersharePDFelement, etc. These tools allow you to open PDF files and edit text, images, and pages. You can add, delete, move, and format text, and you can insert, delete, and resize images. 2. Online PDF Editor: There are many online PDF editors available such as Smallpdf, PDF2Go, PDFe

2024-01-19 comment 0 775

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