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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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js implements 3D picture carousel slideshow special effects code sharing_javascript skills

Course Introduction：This article mainly introduces the special effects of js to realize 3D picture carousel slideshow one by one. The picture carousel effect is particularly suitable for product display and has a strong three-dimensional effect. Interested friends can refer to it.

2016-05-16 comment 0 1650

Case demonstration method of scaling in PPT

Course Introduction：1. This lesson focuses on PPT zoom case display 2. In July 2016, the PPT zoom function was introduced to PPT for the first time; the zoom effects mainly include summary zoom positioning, section zoom positioning and slide zoom positioning 3. Abstract zoom positioning: multiple Slides jump and switch between each other to solve the linear playback problem of PPT; the specific operation is to click on the content page to enter multiple summaries. 4. Section zoom positioning: Before use, it is necessary to align the entire PPT section to make the presentation logic clearer and more specific. The effect is shown in Figure 5. Slide zoom and positioning: it can quickly zoom and switch slides, giving you a lot of room to play; for interactive demonstration of problems, you can switch pages at will by using slide zoom and positioning, and you can quickly return to the original interface and proceed to the next part. 6. Photo wall case, use slide zoom to position

2024-03-20 comment 0 1033

js implements the picture slideshow switching effect that can be called multiple times on the same page_javascript skills

Course Introduction：This article mainly introduces the js implementation of the picture slideshow switching effect that can be called multiple times on the same page. It can realize the slideshow switching effect that can be called multiple times on the same page. It is of great practical value. Friends who need it can refer to it.

2016-05-16 comment 0 1340

Is there any good software for making slideshows?

Course Introduction：Is there any good software for making slideshows? There are a variety of software options to choose from when creating slideshows. The following are some common slide production software: 1. Microsoft PowerPoint: PowerPoint is one of the industry's standard slide production software. It provides a wealth of functions and templates, suitable for various occasions. 2. Apple Keynote: Keynote is Apple's slideshow production software, specially designed for Mac and iOS devices, with excellent graphic effects and animations. 3. GoogleSlides: GoogleSlides is a free online slideshow production tool that is integrated with Google Drive and can be edited collaboratively by multiple people. 4.

2024-01-07 comment 0 883

How to implement the focus picture switching effect of js imitation potato network with thumbnail_javascript skills

Course Introduction：This article mainly introduces the implementation method of the focus picture switching effect of js imitation potato network with thumbnails, involving the skills of javascript operating picture special effects, which has certain reference value. Friends in need can refer to it.

2016-05-16 comment 0 992

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