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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11325

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 17631

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 11335

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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What are the app production websites (recommended mobile web design and production software)

Course Introduction：But don’t know how to make it? Want to build your own website? Today, so that you can quickly have a website of your own, I will share with you some ways to build a website. There are many ways to make a website, in fact. 1. Use WeChat mini program development. If you want to have a responsive website, because the websites they develop are relatively simple and do not have many technical requirements, then you can choose to use WeChat mini program development. Now many mini program development companies are choosing This way of development. 2. Use a template website, but it takes a long time to make a website using a template website. For example, some companies prefer to use template websites. Template websites are a way to quickly build websites, and they require certain design knowledge, so that they can be quickly produced. a website.

2024-03-26 comment 0 551

How to use PHP to develop the task receiving function of WeChat applet?

Course Introduction：How to use PHP to develop the task receiving function of WeChat applet? The task receiving function of the WeChat mini program is a very practical function. It allows users to publish tasks in the mini program and have them received and processed by other users. This article will introduce how to use PHP for development to implement the task receiving function of WeChat applet, and provide specific code examples. First, we need to configure the task to receive template messages in the WeChat applet background. In the management background of the mini program, find the "Template Message" menu and create a new receiving template under this menu

2023-10-27 comment 0 1226

How to use PHP to implement the e-book reading function of WeChat applet?

Course Introduction：How to use PHP to implement the e-book reading function of WeChat applet? With the rapid development of mobile Internet, e-book reading has become one of the important ways for people to obtain knowledge. As a lightweight application, WeChat applet has also begun to play an important role in mobile applications. This article will introduce how to use PHP to implement the e-book reading function of WeChat applet and give specific code examples. First, we need to understand the basic architecture and development specifications of WeChat mini programs. WeChat mini program adopts a development model with front-end and back-end separation. The front-end uses

2023-10-27 comment 0 1096

How to jump to WeChat applet in vue h5

Course Introduction：With the rapid development of mobile Internet, more and more enterprises and individuals have begun to pay attention to the development and use of H5 and small programs. H5 is a mobile application development method based on HTML5 and CSS3 technology, which allows web pages to display better in browsers on mobile phones or tablets. WeChat mini program is an application form within WeChat. Users can use mini programs directly in WeChat without downloading and installing. In actual development, we will encounter such problems: How to transfer H5 pages to WeChat mini programs? Today we will discuss Vue H

2023-04-26 comment 0 2564

Essential for PHP developers: EasyWeChat's Getting Started Guide to WeChat Mini Program Development

Course Introduction：A must-have for PHP developers: EasyWeChat's Getting Started Guide to WeChat Mini Program Development With the rapid development of the mobile Internet and the widespread popularity of smartphones, the development of mobile applications has become more and more important. As a new lightweight application model, WeChat applet has become the first choice of many enterprises and developers. As a PHP developer, learning to use EasyWeChat's WeChat applet development framework will bring convenience and efficiency to your development work. EasyWeChat is an open source PHP WeChat

2023-07-19 comment 0 1476

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