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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11313

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 17627

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 11330

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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Recommended articles about swinging

Course Introduction：This is another 3D animation masterpiece based on HTML5 Canvas. It is a 3D clothes swing animation special effect that can flutter in the wind, which is very realistic. When we slide the mouse over the clothes, the clothes will have a swinging animation. When we click the mouse, the clothes will swing more violently. Online demo source code download HTML code<p style="width:500px;margin:10px auto"> <canvas id=&q...

2017-06-15 comment 0 1487

Introduction to the code for the swing effect

2017-06-15 comment 0 1403

Detailed introduction on how to implement HTML5 3D clothes swing animation special effects

Course Introduction：This is another 3D animation masterpiece based on HTML5 Canvas. It is a 3D clothes swing animation special effect that can flutter in the wind, which is very realistic. When we slide the mouse over the clothes, the clothes will have a swinging animation. When we click the mouse, the clothes will swing more violently. Online demo source code download HTML code <div style='width:500px;margin:10px auto'> <canvas id='cv' width='480' height='300'></ca..

2017-03-24 comment 0 3572

Toolbar menu with elastic animation effect using jquery and CSS3

Course Introduction：This is a toolbar menu special effect with elastic animation effect made using jquery and CSS3. The toolbar menu only displays a circular button by default. When the button is clicked, the submenu items will expand with elastic animation, and the effect is very cool.

2017-01-19 comment 0 1270

What are the details of the canvas clock?

Course Introduction：The details of the canvas clock include clock appearance, tick marks, digital clock, hour, minute and second hands, center point, animation effects, other styles, etc. Detailed introduction: 1. Clock appearance, you can use Canvas to draw a circular dial as the appearance of the clock, and you can set the size, color, border and other styles of the dial; 2. Scale lines, draw scale lines on the dial to represent hours or minutes. Position; 3. Digital clock, you can draw a digital clock on the dial to indicate the current hour and minute; 4. Hour hand, minute hand, second hand, etc.

2023-08-21 comment 0 1680

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