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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17598

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 11309

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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HTML5 code to implement the Rubik's Cube game

Course Introduction：The content shared with you in this article is about the code for implementing the Rubik's Cube game in HTML5. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

2018-08-06 comment 0 9610

Detailed introduction to the sample code of the Super Mario game demo based on HTML5

Course Introduction：A demo of a Super Mario game based on HTML5. The left and right arrow keys control movement, and the up and down arrow keys control jumping. The game is based on the HTML5 game framework cnGameJS developed by me.

2017-03-24 comment 0 3234

Implement the Snake game using 63 lines of HTML5 code

Course Introduction：This article mainly introduces the implementation of the Snake game using 63 lines of HTML5 code. It has certain reference value. Now I share it with you. Friends in need can refer to it.

2018-06-11 comment 0 2750

Detailed graphic explanations of 8 latest and cool HTML5 animation applications

Course Introduction：HTML5 has gradually matured, and more and more Web projects have used HTML5 technology, including CSS3. This article mainly shares some of the latest HTML5 animation applications. Most of them are cool, and some are more practical. Each animation provides source code download. 1. HTML5 Canvas implements drawing board graffiti animation application. This is an HTML5 network drawing board with basic graphics drawing functions. It is relatively simple and based on canvas, so it is very flexible. Online demo source code download 2. HTML5 wood stacking game The gameplay of this game is to stack wood, and...

2017-03-08 comment 0 2226

Code sharing for HTML5 first-person shooter game implementation

Course Introduction：In the game, while avoiding enemy attacks, you need to collect three different keys, open the corresponding doors, and finally reach the destination. The game is also based on the self-developed HTML5 game framework cnGameJS. It is recommended to use Chrome browser to view. Effect preview:

2017-03-24 comment 0 2931

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