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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11374

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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CSS3 practical development: Pure CSS to implement image filtering, classification and display effects_html/css_WEB-ITnose

Course Introduction：CSS3 practical development: Pure CSS to implement image filtering, classification and display effects

2016-06-24 comment 0 1163

Detailed explanation and examples of the zoom and highlight effect based on CSS3 mouseover

Course Introduction：I still remember that I shared a CSS3 image hover zoom effect before, and the effect was very good. Today we are going to share a similar CSS mouse-over magnification and highlight effect, except that the previous one was a picture, and this time it is a color block. In fact, after mastering its CSS principles, any web element can achieve this kind of highlight and magnify CSS3 animation. special effects. The renderings are as follows:

2017-03-28 comment 0 2444

9 cool CSS3 image preview display effects_html/css_WEB-ITnose

Course Introduction：9 cool CSS3 image preview display effects

2016-06-24 comment 0 1645

Pure CSS3 to achieve image display effects_html/css_WEB-ITnose

Course Introduction：Pure CSS3 to achieve image display effects

2016-06-24 comment 0 1232

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 1969

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