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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11302

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 17615

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 11321

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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5 simple and elegant h5 page templates are recommended, welcome to download!

Course Introduction：With the popularity of mobile terminals, more and more websites are currently using HTML5 technology. The use of H5 technology makes it no longer necessary for enterprises to build websites for different terminals. A responsive website can solve PC, mobile phone and micro-sites. It intelligently adapts to various terminal devices, saves the company's website building costs, and greatly increases the user experience. The following are 5 simple and elegant h5 page templates recommended by the PHP Chinese website. Welcome to download!

2017-06-05 comment 0 13133

How to send request to uniapp official website

Course Introduction：In recent years, with the popularity of mobile Internet, more and more people have begun to use mobile phones for website browsing, shopping, social networking and other activities. This has also driven many companies to develop mobile applications to improve user experience. For developers, how to develop a mobile application quickly and efficiently has become one of the biggest challenges. With the continuous evolution of various front-end technologies, a technology called "Uni-App" is increasingly favored by developers. This article will introduce how to initiate a request to the official website in Uni-App. 1. What is Uni-AppUni-App is D

2023-04-27 comment 0 543

10 recommended articles about H5 pages

2017-06-11 comment 0 4554

Which app development tool is better (steps for mobile app development and production)

Course Introduction：The demand for app development is increasing. Whether it is a new media practitioner or a traditional enterprise, the editor shares a list of excellent app development tools. Now in the mobile Internet era, everyone needs an app development tool to assist them in completing their tasks. For mobile development, what are some useful app development tools? The article emphasizes the necessity of organizing and later adapting the content of collected app development tools, and mentions some anonymous tools that can be shared. PyContact does a better job. PyContact is a professional app development tool in China. It is well-known abroad and targets enterprise-level user groups. It is a visual application that can help companies quickly build application platforms. Developers can use PyCo

2024-03-30 comment 0 1086

Client security issues and prevention strategies

Course Introduction：With the popularization of mobile Internet, mobile devices have become more and more important terminal devices for people, and more and more enterprises have begun to use mobile client applications (APPs) to conduct business operations and provide services. But what follows is client security issues, which not only pose a threat to individual users, but also pose risks to corporate information security. Client security issues mainly include the following aspects: Virus and malware attacks Viruses and malware attacks are one of the most common client security issues. Diseases embedded in mobile APPs downloaded and installed

2023-06-11 comment 0 1563

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