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Self-study IT network Linux load balancing video tutorial

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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

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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

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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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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 2439

CSS3 code to implement dynamic background login box_form effects

Course Introduction：This article introduces a dynamic background login box special effect with animated effects based on jQuery CSS3. Friends who need it can refer to it.

2016-05-16 comment 0 1671

HTML5 Canvas implements fireworks blooming special effects_html5 tutorial skills

Course Introduction：This is a gorgeous HTML5 Canvas animation. It will simulate the animation special effects of fireworks blooming in our lives. The effect is very realistic. Let’s briefly analyze the process and code of implementing this HTML5 fireworks special effect. For those who are interested You can refer to it

2016-05-16 comment 0 2982

Cleverly use HTML5 to design different animations for button backgrounds

Course Introduction：How to cleverly use HTML5 to design different animation effects for button backgrounds. In this special effect, when the mouse slides over the button, CSS3 animation is used to animate the background-size and background-position properties to achieve various background animation effects. This article will share with you a simple example of designing different animations for button backgrounds in HTML5. The editor thinks it is quite good, so I will share it with you now and give it as a reference for everyone. Let’s follow the editor to take a look, I hope it can help everyone.

2017-12-12 comment 0 1519

HTML5 Canvas realizes the special effects of fireworks blooming

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