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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11367

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 17675

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 11383

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 1327

Detailed introduction to the functions in WPS Office2012

Course Introduction：1. Online template "WPS+Office+2012 online template homepage has been completely upgraded. Hundreds of popular tags have been updated to make it easier for you to search. You can also collect multiple templates and share them to forums and Weibo with one click. Whether it is Whether it is a holiday or a hot event, the template library will be updated at any time [advancing with the times]. "2. Online materials WPSOffice2012 has a built-in new online material library [Gaery], which collects tens of millions of high-quality office materials. Not only that, you can also upload, download, and share other people's materials. The group function allows you to easily classify different materials. Professional materials such as buttons, icons, structure diagrams, and flow charts can turn your thoughts and ideas into beautiful and professional graphic formats for use in documents, presentations, and forms. 3.【Cloud】

2024-04-18 comment 0 455

HTML5 3D book page turning animation graphic code example

Course Introduction：This is a very cool HTML5 3D book page turning animation. The effect is relatively simple. Drag the mouse to simulate turning pages by hand. What is even more beautiful is that during the page turning process, it presents a realistic 3D effect. The text and pictures in the book will also be displayed in 3D, which is very cool. Online demo source code download HTML code <div class='book p3d'> <div class='back-cover p3d'> <div class='page back flip'>&l..

2017-03-04 comment 0 3537

How to batch modify fonts in PPT? Quickly unify PPT fonts

Course Introduction：When editing a PPT presentation, how to uniformly change the fonts? When presenting, using a font can make the presentation look more concise and beautiful, so what I want to share with you below is the PPT layout technique: quickly unify the PPT font. Interested users come and take a look. 1. Unify the font through the master If the current PPT is created using the theme style, then we set it in the slide template mode to unify the font. Method: Select [View]-[Master View]-[Slide Master], and then click the first master slide in the space on the left side of the interface. At this time, all title and text fonts of the PPT can be modified in the pop-up "Font" toolbar. Tip: in &

2024-03-14 comment 0 2237

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