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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11279

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 17603

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 11314

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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Tips and methods to use CSS to achieve amplification effects when the mouse is hovering

Course Introduction：Tips and methods to use CSS to implement the magnification effect when the mouse is hovering The magnification effect when the mouse is hovering is a common web page animation that can add interactivity and attraction to the web page. This article will introduce some techniques and methods to achieve this special effect, and provide specific CSS code examples. Use the transform attribute of CSS to achieve transformation effects such as scaling, rotation, tilt, and translation of elements. We can use the scale() function to achieve the magnification effect when the mouse is hovering. head

2023-10-20 comment 0 2127

How to implement mouse-over magnification effect on images with JavaScript?

Course Introduction：How to implement mouse-over magnification effect on images with JavaScript? Today's web design pays more and more attention to user experience, and many web pages add some special effects to pictures. Among them, the picture mouse-over magnification effect is a common special effect, which can automatically enlarge the picture when the user hovers the mouse, increasing the interaction between the user and the picture. This article will introduce how to use JavaScript to achieve this effect and give specific code examples. Idea analysis: To achieve the mouse-over magnification effect of images, we can use JavaS

2023-10-20 comment 0 2929

How to create a cool image enlargement effect using pure CSS3?

Course Introduction：The mouse-over image magnification effect is a very useful and eye-catching special effect that can add interactivity to the web page. When the user hovers the mouse over the image, the image will be slightly enlarged. Suitable for image display pages, it can greatly improve the user experience!

2021-08-20 comment 0 1943

2020-05-28 - How to scale an image on mouseover using CSS?

Course Introduction：The image zoom effect is an application effect that zooms in on the image when the mouse is hovered or clicked. This effect is mainly used on websites. This effect is useful in situations where we want to display user details on an image. There are two ways to create a mouseover effect. Using CSS with JavaScript In this article, we will see how to achieve this effect using CSS. This article contains two parts of code. The first part contains HTML code and the second part contains CSS code. HTML code: In this article, we will use HTML to create the basis for image scaling on hover effect...

2020-05-28 comment 0 300

Why is my custom cursor image not working in Firefox on Mac?

Course Introduction：Custom Cursor Image Issue in CSSYou're attempting to change the cursor image to a magnifying glass while hovering over specific images. However,...

2024-11-07 comment 0 348

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