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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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HTML, CSS, and jQuery: Build a beautiful photo album display

Course Introduction：HTML, CSS, and jQuery: Build a beautiful photo album Display photo albums are a popular way to display and share your photos. In the Internet age, we can create a beautiful photo album display through web pages. This article will introduce how to use HTML, CSS and jQuery to build a stunning photo album display, and provide specific code examples. HTML Structure First, we need to create the basic structure of HTML. Below is a simple HTML template for building a photo album page. &lt

2023-10-24 comment 0 1360

How to create a responsive photo album display layout using HTML and CSS

Course Introduction：How to use HTML and CSS to create a responsive photo album display layout. The photo album display layout is a common page layout type in websites and can be used to display pictures, photos, images and other content. In today's environment where mobile devices are popular, a good photo album display layout needs to have a responsive design that can adapt to different screen sizes and have good display effects on different devices. This article will introduce how to use HTML and CSS to create a responsive photo album display layout, and provide specific code examples. I hope readers can pass the instructions

2023-10-19 comment 0 1580

How to set full screen in PSCC with one operation

Course Introduction：When we draw in PSCC, we often need to achieve an immersive experience and adjust the panel to full-screen mode, so that we can concentrate on drawing or displaying. So how to adjust PSCC to full-screen mode? Let me teach you below. . [Operation Instructions] First we run PSCC, and then create a new canvas or open a file. It must be opened otherwise the full-screen mode cannot be turned on. Then we click the [View] menu above and select [Screen Mode]-[Full Screen Mode]. In full screen mode, the panel is hidden. Panels can be accessed from either side of the screen, or displayed by pressing the Tab key. You can return to the standard screen mode by pressing [F] or [ESC key].

2024-02-11 comment 0 926

How to hide photos on Redmi Turbo 3?

Course Introduction：RedmiTurbo3 has a very powerful function, which is the photo hiding function. Using this feature, users can hide photos they do not want to display to protect their privacy. Next, the editor brings you how to hide photos on Redmi Turbo3 to help you hide photos. How to hide photos on Redmi Turbo3? Open the "Gallery" or "Album" app on your Redmi phone. Find the photo or album you want to hide in the album, then long-press the photo or album. After long pressing, the options menu of the photo or album will open, select the "Block" or "Hide Album" option. After clicking, the system may prompt you to confirm the hiding operation, just select OK. Daily use: connect to Bluetooth, extract text, split screen operation, change input method to cancel shock

2024-04-15 comment 0 838

How to quickly take a full screen screenshot

Course Introduction：What is the shortcut key for taking a full screen screenshot? In the modern era of social media and information sharing, we often need to capture what is on the screen and share it with others. Whether it's to record important information, showcase personal achievements, or for teaching and presentation purposes, taking full-screen screenshots has become a common and useful technique. Full-screen screenshot refers to the process of capturing the entire screen content at one time and saving it as an image file. With full-screen screenshots, we can capture anything on the screen, including the desktop, applications, web pages, and more. To improve efficiency, we can

2024-02-18 comment 0 1394

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