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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11302

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 17615

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 11321

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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Detailed explanation of the 15 best responsive HTML5 website templates with pictures and texts

Course Introduction：The best free responsive HTML5 templates of 2015 are often used to create trendy websites. HTML5 is the latest version of HTML used to create modern websites. With the advent of this modern markup language, the trend of web surfing has become smarter and cooler. Almost every web developer is turning their focus to this markup language - looking for free responsive HTML5 templates that can be easily edited and customized with just a passing knowledge of HTML5 and CSS3. These free responsive HTML5 templates are carefully crafted by professionals based on user needs. HTML5 CSS3 templates come with some very...

2017-03-07 comment 0 2018

What is python used for?

Course Introduction：Python is a general-purpose programming language with a wide range of uses, including: web development (dynamic websites, RESTful APIs, web interfaces) data analysis and machine learning (processing big data, machine learning modeling, statistical computing) automation and scripting (automating tasks, Creating scripts to perform system operations) Application development (desktop and mobile applications, cross-platform applications, games) Scientific computing (numerical operations, data modeling, data visualization) Artificial intelligence and natural language processing, blockchain development, data mining and Visualization

2024-04-02 comment 0 551

How to use Vue to implement template compilation and rendering mechanism?

Course Introduction：Vue is a popular JavaScript framework for building responsive web interfaces. The core idea is to separate the application state from the DOM so that the view is automatically updated when the state changes. Vue provides a powerful template compilation and rendering mechanism, which can help developers build complex web applications more conveniently. 1. Vue template compilation mechanism In Vue, template compilation is the process of converting Vue templates into rendering functions. Vue template is an HTML extension language that supports adding some special instructions.

2023-06-27 comment 0 1401

Use Python to write and implement a chatbot with artificial intelligence (including code and steps)

Course Introduction：A chatbot is a type of artificial intelligence that simulates a conversation with a user through an app or message. In this article we will use Pytho's chatterbot library to implement a chatbot. This library generates automatic responses to user input. Responses are based on machine learning algorithms implemented in the library. Machine learning algorithms make it easier for chatbots to improve and optimize responses over time as they collect user responses. These features make it easier for chatbots to hold conversations across different mobile apps and websites. It saves data from users and over time, the accuracy of chatbot responses improves. Steps to create a functional chatbot: 1. Create a chatbot: This is done using the create_bot function. This function

2024-01-22 comment 0 1438

How to bind events when shrinking the screen in jquery

Course Introduction：With the popularity of mobile devices, more and more people choose to use mobile phones, tablets and other mobile devices to browse the web. Therefore, responsive design has become an essential skill for modern website design. In responsive design, the resize event is one of the most important events and can be used to detect changes in the size of the browser window to achieve adaptive layout of the page. jQuery is one of the most widely used JavaScript libraries currently, and I believe everyone is very familiar with it. So, this article will introduce how to use jQuery to bind events when the screen is reduced. 1. r

2023-04-17 comment 0 787

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