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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11386

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 17699

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 11397

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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How to implement a simple progress bar effect in html5? Implementation of dynamic progress bar (code example)

Course Introduction：This article will introduce to you how to implement a simple dynamic progress bar effect in HTML5, and share with you the code for scrolling loading of the dynamic progress bar on the page. Interested friends can refer to it. I hope it will be helpful to you.

2018-10-30 comment 0 19964

Example of circle-in-circle effect produced by JavaScript+html5 canvas_javascript skills

Course Introduction：This article mainly introduces the circle-in-circle effect produced by JavaScript+html5 canvas, and analyzes the graphics drawing and random color filling techniques based on JavaScript and html5 canvas technology in the form of a complete example. Friends in need can refer to the following

2016-05-16 comment 0 1667

Can You Create a Circle with a Partial Border Using Only HTML5/CSS3?

Course Introduction：How to Create a Circle with a Partial Border Using HTML5/CSS3This question delves into the intriguing possibility of creating a circle with HTML5...

2024-11-02 comment 0 399

Can I Create a Circle with a Partial Border in HTML5/CSS3?

Course Introduction：HTML5 / CSS3 Circle with Partial Border Is Not Possible?In HTML5 and CSS3, creating a circle with a partial border using pure DOM elements is not...

2024-11-02 comment 0 1090

How to Create a Circle with a Partial Border Using HTML5 and CSS3?

Course Introduction：Creating a Circle with Partial Border in HTML5 / CSS3It is indeed possible to create a circle with a partial border using HTML5 and CSS3. One...

2024-11-04 comment 0 1013

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