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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17643

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 11352

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 achieve special effects on mouse hover through CSS

Course Introduction：How to achieve special effects on mouse hover through CSS CSS is a style sheet language used to beautify and customize web pages. It can make our web pages more vivid and attractive. Among them, implementing special effects when the mouse is hovering through CSS is a common way to add some interactivity and dynamics to the web page. This article will introduce some common hover effects and provide corresponding code examples. Highlight background color When the mouse is hovering over an element, the background color can change to highlight the element's position. .element:hov

2023-10-20 comment 0 2375

css mouse hover image mask effect implementation code

Course Introduction：This article mainly shares with you the code for implementing the CSS mouse hover image masking effect. I hope it can help you.

2018-02-28 comment 0 3258

Use the :hover pseudo-class selector to implement CSS styles for mouse hover effects

Course Introduction：Use the :hover pseudo-class selector to implement CSS styles for mouse hover effects. In web design, mouse hover effects are an important part of improving user experience and interface interactivity. Through CSS's :hover pseudo-class selector, we can easily change the style of elements when the mouse hovers. This article will give specific code examples to help you quickly get started using the :hover pseudo-class selector. First, in order to demonstrate the mouse hover effect, we need to prepare an HTML structure. Here's a simple example: <!DOC

2023-11-20 comment 0 1701

css mouse hover color change: hyperlink font changes color when mouse hovers

Course Introduction：What this article brings to you is about the css mouse hover color change: the hyperlink font changes with the mouse hover color. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

2018-11-22 comment 0 28725

Use css to achieve mouse hover effect

Course Introduction：This article comes from the CSS tutorial. It introduces the method of achieving mouse hover effect in CSS. It has certain reference value and I hope it can help everyone.

2020-08-15 comment 0 5947

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