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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11326

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 11338

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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UniApp's implementation skills for hotel reservation and room management

Course Introduction：UniApp’s implementation skills for hotel reservations and room management Introduction: The hotel industry is a field full of fierce competition. With the rapid development of the mobile Internet, the demand for hotel reservation and room management APPs is increasing. As a cross-end development framework, UniApp has high development efficiency and good user experience, and can help developers quickly implement hotel reservation and room management functions. This article will introduce some implementation techniques of UniApp to implement hotel reservation and room management, and give corresponding code examples. 1. UI design

2023-07-04 comment 0 1562

How to check in when traveling to Qunar. Guide to booking hotels when traveling to Qunar.

Course Introduction：First open the travel there, select the hotel in the interface, select the location and date we need to stay, click search to select the hotel we need to stay in, select the time we need to check in at the hotel, select the package we need, and select Booking.

2024-06-28 comment 0 496

How to cancel a hotel reservation on Ctrip

Course Introduction：Ctrip brings together millions of hotels, airlines, car rental companies and travel service providers around the world to provide users with a wide variety of travel options. Today I am going to talk about one of the Ctrip travel hotel check-out tutorials. If you need it, learn together. Get off. The first step of the Ctrip hotel check-out process is to enter the Ctrip APP, select [Itinerary] below, and then click [Order Details] of the hotel we have booked. Step 2: Click [Cancel Order] in the lower left corner. Step 3: Click on the reason for cancellation, and then click [Cancel Order] at the bottom.

2024-04-01 comment 0 1039

How to use PHP to implement the hotel booking function of WeChat applet?

Course Introduction：How to use PHP to implement the hotel booking function of WeChat applet? With the rise of WeChat mini programs, more and more companies are beginning to use WeChat mini programs to provide hotel booking services. As a widely used server-side programming language, PHP is an excellent choice for implementing hotel reservation functions. The following will introduce in detail how to use PHP to implement the hotel booking function of the WeChat applet and provide specific code examples. To configure the WeChat mini program development environment, first, make sure you have registered and created your mini program on the WeChat developer platform, and obtained the

2023-10-27 comment 0 885

The official website for pre-ordering the mobile game Eternal Tribulation

Course Introduction：The reservation for the mobile game "Eternal Tribulation" has now started. So many friends must want to know what the official website for the reservation of the "Eternal Tribulation" mobile game is, so the editor went to check a lot of information and specially brought you this official website address for the mobile game reservation. Share, hope it can help you. A complete guide to the Everlasting Tribulation mobile game. The official website for booking the Everlasting Tribulation Infinite mobile game: https://m.yjwujian.cn/ The Everlasting Tribulation mobile game questionnaire website: https://research-game.163.com/htmls/ yjwjsyyydy/paper.html Specific steps: 1. First, we click on the URL above to make an appointment. 2. We click

2024-04-02 comment 0 1320

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