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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11328

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 17632

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 11341

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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Detailed example of 3D flop effect of css3 special effects

Course Introduction：This article mainly introduces the 3D flop effect of CSS3 special effects. It has certain reference value. Interested friends can refer to it. I hope it will be helpful to you!

2016-05-16 comment 0 5312

css3 click to display ripple effects

Course Introduction：css3 click to display ripples special effect, how to use css3 to create click to display ripples special effect, what aspects should be paid attention to when clicking to display ripples special effects? Let me give you a case study below.

2017-11-24 comment 0 4577

How to skillfully use CSS3 special effects to improve the user experience of web pages

Course Introduction：How to skillfully use CSS3 special effects to improve the user experience of web pages. With the development of the Internet, web design and user experience have become important links in website development. The application of CSS3 special effects can add dynamics and visual effects to web pages and improve user experience. This article will introduce several common CSS3 special effects and their code examples to help developers become more proficient in using CSS3 special effects and improve the user experience of web pages. Transition effect (Transition) Transition effect is one of the most basic special effects in CSS3. By changing a certain attribute

2023-09-09 comment 0 1037

Pure css3 realizes 3D picture cube rotation animation special effects

Course Introduction：This article describes the implementation of 3D picture cube rotation animation special effects using pure CSS3. It has certain reference value. Let’s take a look at it together.

2017-05-28 comment 0 3515

Code case sharing using CSS3 to implement Loading animation effects

Course Introduction：This article describes the code case sharing of using CSS3 to implement Loading animation special effects. Friends in need can refer to it.

2017-05-25 comment 0 2206

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