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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17597

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 11309

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 develop a hotel booking website using PHP

Course Introduction：How to use PHP to develop a hotel booking website With the development of the Internet, more and more people are beginning to arrange their travels through online booking. As one of the common online booking services, hotel booking websites provide users with a convenient and fast way to book hotels. This article will introduce how to use PHP to develop a hotel reservation website, allowing you to quickly build and operate your own online hotel reservation platform. 1. System requirements analysis Before starting development, we need to conduct system requirements analysis first to clarify what the website we want to develop needs to have.

2023-10-28 comment 0 803

How to realize online hotel reservation through WebMan technology

Course Introduction：How to realize online hotel booking through WebMan technology In the Internet era, people's demand for booking tourist hotels is getting higher and higher. In order to solve the inconvenience and cumbersomeness of traditional reservation methods, many hotels have begun to migrate their reservation systems to online platforms to realize online hotel reservations. This article will introduce how to implement this function through WebMan technology, and attach corresponding code examples. 1. Introduction to WebMan technology WebMan is a Web-based management system that integrates various Web technologies and services to realize the construction and management of websites.

2023-08-12 comment 0 1017

Where to modify Ctrip travel orders

Course Introduction：When planning a trip, we often need to use various travel service platforms to book air tickets, hotels or other services. As a well-known online travel service provider in China, Ctrip provides us with a wealth of choices and convenient booking methods. But sometimes, due to various reasons, we may need to modify a booked order. So how do you modify your order in the Ctrip travel app? Users who want to know, please continue reading and follow this article to understand the operation. How to modify an order on Ctrip Travel 1. Open the Ctrip Travel app and click My in the lower right corner. 2. Click All Orders. 3. Select the order. 4. Click to modify the order. 5. Select the modification item and make modifications.

2024-06-22 comment 0 904

What is byod mode

Course Introduction：The full English name of byod mode is "Bring Your Own Device", which means bringing your own devices to work. These devices include personal computers, mobile phones, tablets, etc.; at airports, hotels, coffee shops, etc., you can log in to the company email and online office system regardless of time and Limitations of location, equipment, personnel, and network environment.

2020-02-15 comment 0 8414

defineemits usage tutorial

Course Introduction：DefineEmits, an online platform, simplifies the creation of NFT projects. It offers customizable templates, flexible NFT settings, and performance tracking tools. For beginners, NFT creation involves signing up for DefineEmits, configuring project de

2024-08-15 comment 0 1257

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