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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11279

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 17603

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 11314

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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jquery imitates QQ mall with left and right buttons to control focus image switching scrolling effect_jquery

Course Introduction：jquery image special effects are produced to imitate the focus image carousel switching effect of the banner on the homepage of Tencent QQ Mall, with index button control and left and right buttons to control image switching. The example code is as follows. Interested friends can refer to it.

2016-05-16 comment 0 962

How to make PPT curtain effect_one animation

Course Introduction：First, we find an unopened curtain material on the Internet and insert it into the first page of the PPT page. Be careful not to insert it into the original page, but directly create a new slide. You can set the background of this slide directly to the curtain background. Select the second battle slide we selected, select [Curtain] in the animation effect of [Switch] above, and then set the duration and sound of the animation on the right. Finally, when we show the slide show again, we can find that the opening effect becomes a curtain effect.

2024-04-26 comment 0 884

How to create a slideshow using HTML, CSS and jQuery

Course Introduction：How to use HTML, CSS and jQuery to create a slideshow. Slideshows are a common way in web design and can be used to present content such as images, text or videos. In this article, we will learn how to use HTML, CSS and jQuery to create a simple slide show, allowing you to easily achieve image switching effects on web pages. First, we need to prepare some basic HTML structure. Create a div element in the HTML file and give it a unique ID like "

2023-10-26 comment 0 1402

How to make a responsive slideshow player using HTML, CSS and jQuery

Course Introduction：How to make a responsive slideshow player using HTML, CSS and jQuery In today's web design, slideshow players are one of the most common and popular elements. The slideshow player can display pictures and text with exquisite animation effects, giving users a more attractive visual experience. This article will introduce how to use HTML, CSS and jQuery to create a responsive slideshow player, and provide specific code examples. Step 1: Create HTML Structure First, we need to create HTML structure

2023-10-24 comment 0 763

Steps to set animation when entering PPT

Course Introduction：1. First open the PPT slide and enter the editing page. 2. Then click the text box on the slide page to enter the desired title and text. 3. Then click Open Switch and select the desired slide page switching effect. 4. Then click Open Animation and select the desired object animation style. 5. After editing is completed, click the save icon button in the upper right corner to save.

2024-03-26 comment 0 1154

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