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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11270

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 17594

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 11305

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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A background cloud transformation js special effect. The background cloud changes when the mouse moves_jquery

Course Introduction：Share a background cloud transformation js special effect. As the mouse moves, the background cloud will continue to change its position and shape. Interested friends can study it.

2016-05-16 comment 0 955

JQuery code for special effects when the mouse moves_jquery

Course Introduction：Special effects appear when the mouse moves. In some cases, it is quite feasible. Here is an introduction to how to implement it through JQuery. The details are as follows. Interested friends can refer to it.

2016-05-16 comment 0 953

How to create a mouse-following effect using HTML, CSS and jQuery

Course Introduction：How to use HTML, CSS and jQuery to create a mouse-following special effect. In website development, adding some special effects can improve the user experience and add certain visual effects. A common special effect is mouse following, that is, during the movement of the mouse, elements can follow and change their position or style in real time. This article will introduce how to use HTML, CSS and jQuery to create a simple mouse following effect, and provide specific code examples. HTML Structure First, we need to create a basic HT

2023-10-26 comment 0 1420

Sharing the source code of visual difference effects based on JQuery and CSS3 to imitate Apple TV poster background_jquery

Course Introduction：This is a very cool jQuery and CSS3 imitating Apple TV poster background visual difference effect. This visual difference effect uses the mouse to move up, down, left and right on the screen, and various elements in the poster move at different speeds, forming a visual difference effect, and also has some streamer special effects.

2016-05-16 comment 0 1495

excel serial number autofill

Course Introduction：The method for automatic filling of serial numbers in Excel is: 1. Select the cell that needs to be filled with the starting serial number; 2. Enter the starting serial number "1"; 3. Move the mouse to the lower right corner of the cell. When the mouse turns into a cross, Press and hold the Ctrl key on the keyboard; 4. Finally, drag the mouse downward.

2020-06-13 comment 0 9983

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