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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11460

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 17743

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 11447

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 1037

Create left and right button and title text and picture switching effects based on jquery plug-in_jquery

Course Introduction：There are many ways to create switching effects between left and right buttons and title text and images. This article will introduce how to use the jquery image switching plug-in. Interested friends should not miss it.

2016-05-16 comment 0 1136

Implement image switching effect on left and right button clicks based on jquery_jquery

Course Introduction：This article mainly introduces the image switching effect of left and right button clicks based on jquery. The content is very rich. Interested friends can refer to it.

2016-05-16 comment 0 4374

Sharing a simple tutorial for recording screen on Red Magic Mars

Course Introduction：1. Swipe up from the bottom of the phone to the Control Center, find the [Super Screenshot] function option, and click to open it. 2. After opening Super Screenshot, you can slide left or right to switch to screenshot mode. 3. Switch to the [Screen Recording] mode and click the [Start] button above to start recording the screen. 4. A floating button will pop up. If you want to stop recording the screen during the recording process, click the [Stop] button.

2024-04-16 comment 0 1105

How to use HTML, CSS and jQuery to implement advanced image switching functions

Course Introduction：How to use HTML, CSS and jQuery to implement the advanced function of image switching Introduction: In modern web design, image switching is a common requirement. By using HTML, CSS and jQuery, we can achieve various forms of image switching effects. This article will introduce you to how to use these technologies to implement advanced functions of image switching and provide specific code examples. 1. HTML and CSS layout: First, we need to create an HTML structure to accommodate images and switching control buttons. Can use one

2023-10-25 comment 0 933

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