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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11319

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 17629

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 11331

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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Is Dreamweaver CMS a mall?

Course Introduction：DreamWeaver CMS is not a mall, it is an open source website construction and management system. But DreamWeaver cms can be used to build shopping mall websites. Reasons for building a mall: 1. Rich functions, providing the functions required by the mall such as product management, order management, online payment, logistics management, etc.; 2. Strong scalability, users can choose and install corresponding plug-ins according to their own needs. For example, product search plug-ins, shopping cart plug-ins, membership system plug-ins, etc.; 3. There are rich template resources. For mall websites, users can choose suitable templates; 4. There are many successful cases in mall website construction.

2023-08-03 comment 0 1405

Best practices for responsive design patterns in PHP programs

Course Introduction：With the rapid development of the Internet, more and more websites and applications need to be adapted to different devices at the same time, such as computers, tablets, and mobile phones. The responsive design pattern emerged to solve this problem. In PHP programs, how to use responsive design patterns is a very important issue. Let’s discuss the best practices of responsive design patterns in PHP programs. What are responsive design patterns? Responsive design mode refers to the ability to provide the best user experience on different devices, thereby achieving adaptive web design.

2023-06-06 comment 0 1508

Where is Zhangzhou Computer Mall?

Course Introduction：1. Where is Zhangzhou Computer Mall? It's in Electronic City. There are many things inside, and there are many shops with a lot of choices. Then take the bus and get off at Hualian Shopping Center Station (I remember 10, 25...). 2. Huawei Computer Mall official website? Huawei Mall https://www.vmall.com/ Huawei's e-commerce platform: Huawei Mall (vmall) is an e-commerce platform launched by Huawei Technologies Co., Ltd. in March 2012. Huawei Mall provides Huawei mobile phones, wireless Internet equipment, tablets, accessories and other series of terminal products and services. 3. The official website of the computer mall? Different computer malls have different official websites. The following are some common examples of computer mall official websites: - Apple official website: www.apple.

2024-08-10 comment 0 840

CSS Media Queries

Course Introduction：Ensuring that websites function seamlessly across various devices is more critical than ever. With users accessing websites from desktops, laptops, tablets, and smartphones, responsive design has become a necessity. At the heart of the responsive des

2024-10-05 comment 0 845

How to use parallel processing technology to improve website response speed in mall development

Course Introduction：With the development of the Internet, e-commerce is becoming more and more common, and many traditional stores are turning to online sales. Due to the importance of website interactivity and performance, making your e-commerce website more responsive is crucial. In order to improve website response speed, mall developers often use parallel processing technology to optimize website performance. This article will introduce some ways that mall development can use parallel processing technology to improve website response speed. 1. Use thread pools Thread pools are a way of sharing thread resources in multi-threaded programming. Traditional multi-threaded programming

2023-05-14 comment 0 1164

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