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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17643

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 11353

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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Use automation tools to strengthen golang function naming conventions

Course Introduction：The GoLang function naming convention is camel case starting with a lowercase letter. In order to improve development efficiency and code quality, you can use automated tools, such as prx, to check whether function naming conforms to the convention: Install prx. Configure prx to check the function naming format. Create custom plug-ins and verify function naming. Use the prx plugin to run checks, keeping function naming conventions.

2024-05-05 comment 0 878

How to create digital scrolling effect in PPT_Tutorial on how to create digital scrolling effect in PPT

Course Introduction：First, open our PPT presentation: Then, switch to the [Insert] page, select the [Text Box] control, and insert the [Vertical Text Box]: Then, enter data in the text box and adjust the font size and style: Select all data, switch to the [Animation] page: Expand the animation effect bar, set the effect to [Draw Custom Road Strength], and select the [Straight Line] effect: Then, switch to the [Insert] page, insert [Shape], and select [Rectangle] 】, cover the excess numbers: adjust the fill color and outline color of the rectangle, the fill color is consistent with the background color, and the outline is set to [no lines], so that the rectangle covers the numbers that do not need to be displayed: when we play the slide When you click, you will find that the numbers are scrolling:

2024-04-25 comment 0 1196

Detailed graphic and text explanations on 8 super cool HTML5 animations that imitate Apple apps

Course Introduction：Apple's products have always been known for their exquisite UI, whether they are software applications or hardware devices. This article mainly shares 8 very good HTML5 animation applications. These animations officially imitate various Apple applications, including focus pictures, clocks, menus and other HTML5 applications and jQuery plug-ins. Let’s enjoy them together. 1. jQuery/CSS3 realizes Apple-like CoverFlow image switching. What I want to share this time is also an Apple-like CoverFlow image switching application based on jQuery and CSS3, and you can customize and add pictures, and the effect is very good. Online demonstration source code..

2017-03-06 comment 0 3369

The AI digital human business has frequently received praise, and Qianxun actively leads the way.

Course Introduction：Almost all industrial upgrades in China’s live streaming e-commerce industry originate from Hangzhou, and every technology iteration is spearheaded by Hangzhou’s star companies. On August 8, Hangzhou Enterprise Qianxun held an event called “Redefining the Vitality of Live Broadcasting-2023AI” Innovation Conference" event. At this event, its subsidiaries Qianyu Intelligence and Linke respectively released the latest artificial intelligence application results, including AI digital human live broadcast business and one-stop AI intelligent live broadcast comprehensive service platform. Activities With the technological revolution and in-depth development of industries, the digital economy is becoming a key force in reorganizing global factor resources, reshaping the global economic structure and changing the global competitive landscape. Zhejiang Province has newly issued "Several Measures to Further Expand Consumption and Promote High-Quality Development" It is clearly stated that Zhejiang Province will actively

2023-08-14 comment 0 844

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1209

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