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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11343

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 17646

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 11353

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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jQuery mouse moves over a square image to a round edge effect code sharing_jquery

Course Introduction：This article mainly introduces the special effect of jQuery mouse switching from a square image to a round edge. The image can be replaced by yourself. It is recommended to everyone. Friends in need can refer to it.

2016-05-16 comment 0 1378

Implementing responsive circular image carousel effects based on jQuery_jquery

Course Introduction：This article mainly introduces the implementation of responsive circular image carousel effects based on jQuery. The mislider plug-in can display images as circular images, and then loop the images infinitely to form carousel images or carousel effects. Interested friends can For reference

2016-05-16 comment 0 1517

Implementing ring icon menu rotation switching special effect based on jQuery plug-in_jquery

Course Introduction：This article will share with you a ring icon rotation switching effect based on jQuery. This is a mouse click icon menu circular clockwise or counterclockwise rotation switching code. Friends in need can refer to it.

2016-05-16 comment 0 2677

Example sharing of jQuery implementation of dot image carousel

Course Introduction：The pictures implemented at the specified position on the page automatically switch left and right to display the effect. When you click the label on the lower left of the picture (or the small dot in the middle), it switches to the corresponding picture. Next, through this article, I will share with you the example code of using jQuery to achieve the dot image carousel effect. Friends who need it can refer to it. I hope it can help everyone.

2018-01-22 comment 0 1941

Pure CSS3 blind-style switching carousel effect

Course Introduction：This is a blind-style switching carousel special effect made using pure CSS3. This special effect is made using background images. When the carousel is switched, a set of div elements are used to create the blinds effect, which is very cool.

2017-01-18 comment 0 1907

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