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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11320

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 17629

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 11331

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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14 HTML5 clock animations

Course Introduction：14 ultra-fashionable HTML5 clock animations with different shapes

2016-10-20 comment 0 2411

7 amazing HTML5 mouse animations with detailed explanations

Course Introduction：Today we will share some interesting HTML5 mouse animations. When we move the mouse, some magical animation effects will appear on the page. Of course, these animations may not be used in actual applications, but they should be very helpful to everyone's research on HTML5 and CSS3. The 7 HTML5 mouse animations shared in this article all provide source code downloads, which are some good resources. 1. HTML5 whale animation Today I found a whale animation based on HTML5. The whale will swim as the mouse moves. The picture is very three-dimensional and the whale is super realistic. Really, HTML5 is indeed very powerful, and HTML5 animation is absolutely fine...

2017-03-07 comment 0 2290

Detailed introduction to 14 ultra-stylish HTML5 clock animations

Course Introduction：Clock animation is also very widespread in web applications. In some personal blogs, we often see some quite personalized HTML5 clock animations. Today we share with you 14 ultra-fashionable HTML5 clock animations of different shapes, including disk clocks, 3D clocks, personalized clocks, etc. The powerful HTML5 adds a lot of excitement to clock animations, and we hope to bring them to you help. 1. Cute CSS3 disc clock animation What I want to share today is also a cute CSS3 disc clock animation. The clock background is milky white and looks very clean. In addition, the clock can also be synchronized with your local time. Online demo ..

2017-03-06 comment 0 2584

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