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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11371

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 can thinkphp develop?

Course Introduction：ThinkPHP is suitable for rapid development of various Web applications, including: 1. Enterprise-level applications (CRM, ERP, OA, logistics management, financial management); 2. E-commerce websites (online malls, group purchases, C2C, B2C, payment systems) ;3. Blogs and content management systems (blogs, CMS); 4. Forums and communities (online news, magazines); 5. Mobile applications (mobile websites, mobile APPs, WeChat official accounts, mini programs); 6. Others Applications (API development, data analysis, data visualization, cloud computing).

2024-04-09 comment 0 1130

How to use Java to develop the schedule management function of CMS system

Course Introduction：How to use Java to develop the schedule management function of a CMS system. With the development of the Internet, content management systems (CMS) have attracted more and more attention. CMS is a software tool used to create, edit and publish content. It is widely used in the construction of blogs, news websites, corporate portals and other websites. Among them, the schedule management function is one of the very important functions, which can help users manage time and resources effectively. This article will introduce how to use Java to develop the schedule management function of the CMS system and provide corresponding code examples.

2023-08-26 comment 0 917

Common problems and solutions in developing CMS systems with PHP

Course Introduction：With the advent of the digital age, more businesses and organizations need an easy-to-manage website. The emergence of Content Management System (CMS) provides users with a solution to quickly build websites. PHP language has many frameworks and tools for developing CMS like WordPress, Drupal, etc. Although it is very popular to develop CMS with PHP, you will also encounter some common problems during the development process. This article will introduce the common practices in developing CMS systems with PHP.

2023-06-21 comment 0 1327

How to use PHP to implement the points system of WeChat mini program?

Course Introduction：How to use PHP to implement the points system of WeChat mini program? With the rapid development of WeChat Mini Programs, more and more companies and individuals have begun to conduct business on WeChat Mini Programs. One of the common requirements is to implement a points system to reward users with points and redeem points. This article will introduce how to use PHP to implement the points system of WeChat applet and provide specific code examples. Create a database First, we need to create a database to store the user's points information. You can use the following SQL statement to create a file named score_s

2023-10-26 comment 0 1153

Teach you to use EasyWeChat and PHP to build the customer service function of WeChat mini program

Course Introduction：Teach you to use EasyWeChat and PHP to build the customer service function of WeChat mini programs. With the rapid development and popularity of WeChat mini programs, more and more companies and individuals are beginning to use WeChat mini programs for business promotion and user communication. The customer service function is an important part that cannot be ignored. It can help companies solve user problems and provide a better user experience. This article will teach you how to use EasyWeChat and PHP to build the customer service function of the WeChat applet, allowing you to easily build a powerful customer service system. At first, we

2023-07-18 comment 0 1377

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