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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11334

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 17638

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 11350

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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DreamWeaver CMS Secondary Development Guide: Quick Start and Practical Combat

Course Introduction：[Dreamweaver CMS Secondary Development Guide: Quick Start and Practical Combat] As a well-known open source website construction system in China, Dreamweaver CMS has been widely used in the field of website construction. Its rich functional modules and friendly operation interface are loved by many website developers. However, sometimes we need to carry out secondary development of DreamWeaver CMS according to specific needs to meet personalized needs. This article will introduce the introductory guide to the secondary development of Dreamweaver CMS, and give specific code examples through practical cases to help readers quickly master the secondary development of Dreamweaver CMS.

2024-03-28 comment 0 833

Second-hand recycling website developed using PHP supports price range filtering

Course Introduction：The second-hand recycling website developed using PHP supports price range screening. With people's increasing awareness of environmental protection and the promotion of economic development, the second-hand recycling industry has gradually become a popular field. In order to facilitate users to find suitable second-hand products, it is particularly important to develop a second-hand recycling website that supports price range screening. In this article, we will describe how to develop such a website using PHP and provide some code examples. First, we need to build a basic second-hand recycling website framework. This can be achieved by using a PHP framework such as Lar

2023-07-02 comment 0 1333

Second-hand recycling website uses user favorites management function developed in PHP

Course Introduction：The second-hand recycling website uses the user favorites management function developed in PHP. With the rise of the second-hand market, more and more people are beginning to purchase second-hand items. In order to facilitate users to better manage the second-hand item information they are interested in, many second-hand recycling websites have begun to introduce user favorites management functions. This article will introduce how to use PHP to develop this function and give code examples. 1. Requirements analysis The user favorites management function needs to implement the following functions: 1. User login and registration: Users need to provide basic personal information, such as user name, password, etc. to register.

2023-07-01 comment 0 1147

Second-hand recycling website order reminder developed by PHP

Course Introduction：Second-hand recycling websites play an important role in today's society, helping people pass on items they no longer need or use to those in need. With the development of society, people's awareness of environmental protection and resource utilization is also increasing, and the demand for second-hand recycling websites is also growing. In order to better meet the needs of users and provide more convenient services, many second-hand recycling websites have begun to use various technical means to improve user experience. Among them, the order delivery reminder function developed using PHP is becoming a popular choice in the industry. PHP is a broad

2023-07-01 comment 0 1388

Databricks releases AI model SDK for big data analysis platform Spark: one-click generation of SQL and FySpark language chart code

Course Introduction：According to news on July 10, Databricks recently released the AI model SDK used by the big data analysis platform Spark. When developers write code, they can give instructions in English, and the compiler will convert the English instructions into PySpark or SQL language codes to improve developers' efficiency. ▲Image source Databricks website It is reported that Spark is an open source big data analysis tool that is downloaded more than 1 billion times a year and is used in 208 countries and regions around the world. ▲Image source Databricks website Databricks said that Microsoft’s AI code assistant GitHubCopilot is powerful, but the threshold for use is also quite high. Databricks’ SDK is relatively more universal and easier to use.

2023-07-17 comment 0 1233

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