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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11325

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 17631

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 11335

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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Multi-perspective 3D realistic HTML5 water wave animation _html5 tutorial skills

Course Introduction：This article mainly introduces the multi-view 3D realistic HTML5 water wave animation. Its effect is very realistic. The stones in the pool are sinking and floating in the water, creating layers of water waves. At the same time, we can drag the mouse to browse the pool from different perspectives. The 3D effect is very good. Interested friends can refer to it.

2016-05-16 comment 0 2073

JS and Canves realize water ripple effect on click button

Course Introduction：This article will share with you the water ripple effect of clicking buttons based on js and canvas. The effect is very realistic. Friends who are interested in this can take a look.

2018-06-25 comment 0 2654

Realistic HTML5 3D water wave animation, code graphic introduction can be browsed from multiple perspectives

Course Introduction：This is a 3D water wave animation special effect based on HTML5. Its effect is very realistic. The stones in the pool are sinking and floating in the water, creating layers of water waves. At the same time, we can drag the mouse to browse the pool from different perspectives, and the 3D effect is very good. In addition, we can press the "G" key to make the stones in the pool float up and down, and press the "L" key to add lighting effects. The design is quite perfect. At the same time, please note that this 3D water wave animation is based on WebGL rendering technology. You can learn about WebGL. Online demo source code download HTML code <img id='tiles' src='tiles.jp..

2017-03-04 comment 0 3056

Pure CSS3 creates realistic multi-layered cloud animation special effects

Course Introduction：This is a very cool pure CSS3 realistic multi-layer cloud animation special effect. This special effect uses multiple transparent cloud PNG images as background images, and uses CSS animation to create the horizontal floating animation effect of clouds..., HTML5 China, China's largest HTML5 Chinese portal.

2017-05-27 comment 0 2441

Detailed introduction to the graphic and text appreciation of 12 HTML5 animations with strange effects

Course Introduction：This article will share with you 12 HTML5 animations with unique effects. The powerful animation features of HTML5 can make your web pages more vivid and dynamic, and the interactivity will be further improved. Let’s take a look at the following HTML5 animation cases. Each case provides source code download. 1. HTML5 Canvas waterfall animation is super realistic. This time we will share a cool HTML5 Canvas waterfall animation. The waterfall animation is very realistic. The entire waterfall animation looks like a stream flowing out of the cracks in the rocks and then flying down the cliff. The effect is very good. Online demonstration Source code download ..

2017-03-06 comment 0 2025

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