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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11429

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 17723

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 11421

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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How to turn off the sound in Rolling Sky How to turn off the background music in Rolling Sky?

Course Introduction：Rolling Sky (Rolling Sky Food Temptation, Rolling Sky) allows us to control the ball to conquer unique challenges in each world. Rolling Sky, how to turn off the background music? Below I will show you how to do it. Open [Scrolling Sky] on the mobile phone desktop. Go to the homepage and click [Settings] in the lower right corner. Go to the settings interface and turn off [Background Music]. Just turn the background music off.

2024-07-17 comment 0 708

To make people under the night sky more attractive, Samsung Galaxy S23 / S24 series mobile phones will welcome AstroPortrait camera mode

Course Introduction：According to news on July 16, a Samsung community moderator posted yesterday that the AstroPortrait camera function will be added to the Galaxy S24 series and Galaxy S23 series through the ExpertRAW application update of OneUI6.1.1. Samsung Galaxy S24 Ultra Samsung introduced AstroPortrait mode for the first time on Galaxy Z Fold 6 and Galaxy Z Flip 6 mobile phones, which enhances the effect of night sky photos through long exposure. AstroPortrait mode AstroPortrait mode combines celestial (Astrophoto) shooting and portrait mode to make portrait tasks against the starry sky background even more captivating

2024-07-17 comment 0 826

How to add background images to text in Dreamweaver web pages

Course Introduction：Regarding some questions about Dreamweaver, how to add background images to text in Dreamweaver web pages? The text webpage designed by Dreamweaver is too monotonous. I want to add a starry sky background image to the text. How should I add it? In this article, we mainly introduce to you the implementation method of adding background images to text in Dreamweaver web pages. We hope it can help you.

2018-01-08 comment 0 5635

Win10 computer lock screen wallpaper automatically changes

Course Introduction：What to do if the Win10 lock screen background is automatically changed 1. How to set up the Win10 lock screen wallpaper to be automatically changed: Right-click on the blank desktop - Personalize - Lock screen interface and then change the background to "Windows Focus" or "Slide Show", and then select Just select the folder you want to change. Lock screen interface function introduction: Windows aggregation: will automatically change suitable and good-looking pictures on the Internet. 2. In Windows 7 system, right-click the desktop and click Personalize. After entering Personalization, click Desktop Background. After clicking to enter the desktop background, if multiple pictures are selected and the time interval for changing pictures is set, the wallpaper will automatically change. 3. Right-click on a blank space on the computer desktop and select "Personalize"; then click "Lock Screen"

2024-06-02 comment 0 850

How to create a shooting star animation effect using CSS?

Course Introduction：Shooting stars appear to be twinkling signs of warmth produced by these little tremors as they twinkle across the cold night sky. The shooting star effect is one of the most unique background effects for dark theme websites. The shooting star animation is a great example of a loading screen that can hold your attention for a long time while the rest of the material on the website loads. This effect can be exploited in page loaders and user interfaces. In this article, we will discuss ways to create a shooting star animation effect using CSS. For this, we will use various properties of CSS such as animation, overflow, filter, transform, nth sub-property, :before and :after pseudo-selectors. Steps to Follow Here are the steps to create a shooting star animation effect - Step 1 - Create the basic design of the star using HTML. Create a sky

2023-09-05 comment 0 1402

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