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Self-study IT network Linux load balancing video tutorial

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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

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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

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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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HTML, CSS, and jQuery: A technical guide to achieving full-screen scrolling effects

Course Introduction：HTML, CSS, and jQuery: A technical guide to achieving full-screen scrolling effects Introduction: Full-screen scrolling effects are one of the most common and eye-catching elements in modern web design. As the user scrolls, content transitions across the full screen in a smooth and dynamic manner. This article will introduce how to use HTML, CSS and jQuery to achieve a full-screen scrolling effect, and provide detailed code examples. 1. Preparation First, we need to introduce the necessary files and libraries into the HTML file. Mark the <head>

2023-10-26 comment 0 1080

CSS layout tips: best practices for achieving full-screen scrolling effects

Course Introduction：CSS layout skills: best practices for achieving full-screen scrolling effects. In modern web design, full-screen scrolling effects have become a very popular page interaction method. Through full-screen scrolling, web content can be switched on a page-by-page basis, giving users a smoother and visually rich experience. This article will introduce some CSS layout techniques to help developers achieve best practices for full-screen scrolling effects. HTML layout structure Before realizing the full-screen scrolling effect, you first need to build a basic HTML structure. Generally speaking, you can use a main

2023-10-18 comment 0 1058

How to achieve full-screen scrolling effect with CSS Positions layout

Course Introduction：CSSPositions layout method to achieve full-screen scrolling effect In web design, the full-screen scrolling effect is one of the common techniques to increase page dynamics and interactivity. Through this effect, the page can smoothly switch page content in different viewport-based scrolling actions, providing users with a better browsing experience. In this article, we will introduce a method to achieve a full-screen scrolling effect using CSSPositions layout and provide specific code examples. Before implementing the full-screen scrolling effect, we need to understand CS

2023-09-26 comment 0 770

How to set full screen in uc browser and how to turn on full screen mode

Course Introduction：The search and browsing service in the uc browser app software is very good. As long as you want to know and see, you can find it by entering keywords. The overall Internet environment is more comfortable and can meet the Internet needs of different users. The software interface is very clean, and the browsing sections in different fields are open. You can search freely to get the most accurate results and answers, whether it is news information, exciting video content, novels, comics, books, etc., you can freely switch between different browsing modes. , full-screen mode content information can be seen more clearly, one-click settings can be used, all browsing records are automatically saved and will not be lost, and any format file document is compatible. Next, the editor will provide details for uc browser users online Full screen mode method. 1.Open first

2024-03-12 comment 0 1406

Configure discrete graphics switching in a Mac virtual machine

Course Introduction：This article will introduce the content of switching graphics cards in Mac virtual machines. I hope it will be helpful to you. Please read on. Can the virtual machine call the independent graphics card? If you are a user who uses dual graphics cards to automatically switch, you can set it in the graphics card driver to specify the virtual machine to run using the independent graphics card. However, it should be noted that the virtual machine will run relatively inefficiently because the graphics card will not be able to exert its full performance. If the virtual machine is also running on a Windows 7 system, you can set the drop-down menu to independent graphics card mode in the 3D settings of the NVIDIA control panel. This ensures that the virtual machine can fully utilize the performance of the discrete graphics card. A virtual machine cannot virtualize other independent graphics cards and can only use the virtual graphics card that comes with the virtual machine. Discrete graphics card

2024-01-17 comment 0 2457

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