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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11220

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 17564

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 11276

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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How to use JavaScript to achieve finger sliding switching effect of tab content?

Course Introduction：How to use JavaScript to achieve the finger sliding switching effect of tab content? On the mobile side, sliding your finger to switch tab content is a common interaction method. Through JavaScript, we can easily achieve this effect and provide users with a more friendly and smooth experience. This article will introduce how to use JavaScript to achieve the finger sliding switching effect of tab content, and provide specific code examples for reference. First we need a basic HTML structure to create the tabs

2023-10-16 comment 0 943

Multi-sliding door and multi-tab effect code implemented by jQuery_jquery

Course Introduction：This article mainly introduces the multi-sliding door and multi-tab effect code implemented by jQuery, which has the functions of tab switching and sliding door. It involves the response to mouse events and the implementation skills related to the dynamic transformation operation of page element attributes. Friends in need can refer to the following

2016-05-16 comment 0 1824

How to use JavaScript to achieve finger touch sliding switching effect of tab content?

Course Introduction：How to use JavaScript to achieve finger touch sliding switching effect of tab content? Since the popularity of mobile devices, users' demand for touch operations has become higher and higher. However, it is not easy to achieve finger touch sliding switching effect in web development. This article will introduce how to use JavaScript to achieve the finger touch sliding switching effect of tab content, and provide specific code examples. Before we get started, we need to understand some basics. First, if you want to achieve finger touch sliding switching

2023-10-20 comment 0 1350

How to use JavaScript to achieve infinite loading effect of tab content?

Course Introduction：How to use JavaScript to achieve infinite loading effect of tab content? In web design and development, tabs are a commonly used function for displaying and switching content. When there is a lot of tab content, in order to improve the user experience, you can use the infinite loading effect to load the content in batches. This article explains how to use JavaScript to achieve this effect, with specific code examples. First, we need an HTML structure for displaying the tab content. Take a simple tab as an example

2023-10-19 comment 0 548

How to find startup items in win10

Course Introduction：Answer: In Windows 10, you can find startup items through Task Manager or the System Configuration Utility. Detailed description: Task Manager: Open Task Manager, switch to the "Startup" tab, and view the list of startup items. System Configuration Utility: Type "msconfig" in the Windows search bar, open the "System Configuration" window and switch to the "Startup" tab to view a list of startup items. Enable/Disable: Select the checkbox to enable the startup item, and uncheck it to disable it. Save changes: Click OK to save changes and restart your computer to take effect.

2024-04-14 comment 0 652

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