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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11329

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 17632

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 11346

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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How to change the background color in webstorm

Course Introduction：WebStorm background color can be modified in two ways: direct modification method: 1. Open WebStorm and click the "File" menu; 2. Select "Settings" and navigate to "Appearance"; 3. Select "Background" under "Theme" and Set color. Plug-in modification method: 1. Install the "Material Theme UI" plug-in; 2. Select "Material Theme UI" in the "Appearance" setting; 3. Customize the background color in the "Background" section.

2024-04-08 comment 0 784

Laravel dynamically sets theme

Course Introduction：In web application development, theme is an important concept. Themes can be used to change the look and feel of a web application, including color schemes, background images, fonts, and layouts. Many web applications have a variety of themes to choose from, and different themes can adapt to different user needs and different scenarios. Laravel, as a popular PHP web application framework, naturally provides support for theme switching. Laravel theme refers to a set of styles and styles customized by the website designer or website developer to present the website.

2023-05-29 comment 0 569

Django+Layui background layout introduction

Course Introduction：layui is a front-end UI framework written using its own module specifications. It follows the writing and organization of native HTML/CSS/JS. The threshold is extremely low and can be used out of the box. This article introduces the method of Django+Layui to implement background layout. I hope it will be helpful when you use the layui framework.

2019-12-23 comment 0 4753

How to use Layui to develop a draggable dashboard component

Course Introduction：How to use Layui to develop a draggable dashboard component Introduction: With the development of the Internet, the needs of Web applications have become increasingly complex and diverse. In many web applications, the dashboard is a common and important component, used to display various data and indicators to assist users in decision-making and analysis. This article will introduce how to use the Layui framework to develop a dashboard component that supports drag-and-drop to improve the user's operating experience. Technical background: Layui is a lightweight front-end development framework that provides a rich set of UI components and

2023-10-24 comment 0 1011

Teach you how to change the boot image of win7

Course Introduction：Many friends want their computers to be personalized, so they change the system theme, color matching and other appearance, but the only boot image is still the default image. This is because you cannot use system settings to change the startup image. You must change it in the registry. Let's learn it with the editor. Tutorial on changing the win7 boot image 1. First click on the lower left corner of the screen, and then open "Run" 2. Find the icon "background", or directly copy the path to the following "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\B"

2024-01-14 comment 0 1577

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