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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11360

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 17663

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 11379

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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Super cool CSS3 loading animation effects

Course Introduction：This is a super cool CSS3 loading animation effect. The loading animation is created using CSS3 animation. The code is simple and the effect is very cool.

2017-01-19 comment 0 2000

Loading animation special effects based on HTML5 Canvas and Rebound animation

Course Introduction：This is a Loading animation special effect based on HTML5 Canvas and Rebound animation. The loading animation uses a canvas to cover the entire page and displays a polygonal loading loader to represent the loading progress.

2017-01-19 comment 0 2180

Pure CSS3 realizes page circle loading animation special effects

Course Introduction：When opening a website or watching a video when the Internet speed is not good, the page will load very slowly. At this time, the user will usually be prompted "the page is loading, please wait", and there will be a circle that keeps rotating. Friends who are learning html and CSS, can you use CSS3 to achieve the circle loading animation effect? This article will share with you a circle (loading) loading animation special effect implemented in pure CSS3. Interested friends can refer to it.

2018-10-27 comment 0 11278

Detailed introduction to 7 gorgeous HTML5 Loading animation effects

Course Introduction：When we are transmitting big data or waiting for complex operations, it is best to have a small loading animation to remind the user. This article will share with you some super gorgeous loading animation effects based on HTML5. I hope you will like it. 1. HTML5 Canvas implements super cool Loading animation. This time we look at a very cool Loading animation loading effect. It is similar to the gear Loading animation implemented in pure CSS3. It is also simulated using the characteristics of geometry. It is an animation similar to rotation. Effect. Online demonstration Source code download 2. HT..

2017-03-07 comment 0 1973

Course Introduction：This article uses CSS3 flat Loading animation special effects. The code is as follows: <!doctype html><html><head><meta charset="utf-8"><title>css3 rotation loading effect_He asked from</title><style

2017-06-15 comment 0 2292

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