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Self-study IT network Linux load balancing video tutorial

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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

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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

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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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Illustration of how to create a circular progress bar using CSS3

Course Introduction：The basic idea of making a donut-shaped progress bar is to draw a basic arc shape, and then in CSS3 we can control its rotation to connect the basic shapes in series and create the effect of partially disappearing. Let's learn how to make a donut shape with diagrams in CSS3. Example tutorial of progress bar

2017-03-09 comment 0 1986

How to draw a gradient color ring in InDesign Tutorial on how to draw a gradient color ring in InDesign

Course Introduction：1. First, after opening the InDesign interface, click the Ellipse Tool to draw a circle. 2. Then, select the circle, change the fill color to transparent, and add a line outline with a width of 3. 3. Then, click the mouse to open the Gradient Tool and apply it to the ellipse. 4. Finally, open the color picker panel and select the desired gradient color effect to fill and add.

2024-05-09 comment 0 381

js plug-in YprogressBar achieves beautiful progress bar effect_javascript skills

Course Introduction：ProgressBar.js is a beautiful, responsive progress bar effect using dynamic SVG paths. Progress bars of any shape can be easily created using ProgressBar.js. This JavaScript library provides several built-in shapes such as lines, circles, and squares, but you can create your own progress bar effects using Illustrator or any other vector graphics editor.

2016-05-16 comment 0 1512

ProgressBar.js – Beautiful responsive SVG progress bar

2016-12-16 comment 0 1758

Detailed explanation of the example method of realizing arc and ring progress bars on canvas

Course Introduction：The following is a summary of how I implemented the circular progress bar effect in my project. I hope it will be helpful to everyone: This method uses the canvas to draw a circle to achieve a dynamic ring progress bar. Go directly to the code. If you have any questions, please see the comments:

2017-05-27 comment 0 3314

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