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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11387

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 17699

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 11397

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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PHP study notes: music player and video platform

Course Introduction：PHP study notes: Music player and video platform Introduction: In today's digital era, music and videos have become important ways for people to entertain and spread information. As a web developer, learning how to build music players and video platforms is an essential part. This article will introduce how to use PHP language to build a simple music player and video platform, and give specific code examples. Music Player 1.1 File Upload and Storage First, we need to implement the function for users to upload music files. In PHP we can use

2023-10-09 comment 0 1142

How to implement an online music and video player using PHP

Course Introduction：How to use PHP to implement online music and video players. As a widely used server-side scripting language, PHP can easily implement the functions of online music and video players. This article will introduce how to use PHP to write a simple online music and video player and provide corresponding code examples. 1. Create an HTML page First, we need to create an HTML page to host the music and video player. Here is a basic HTML template that you can modify as needed: <!DOC

2023-09-05 comment 0 1632

How to set up random playback for polka dot music. Share how to set up random playback for polka dot music.

Course Introduction：Polka Dot Music is a music video software with a library of 30 million songs. It supports free playback and downloading, and provides personalized music recommendations and high-definition MV viewing. Users can customize music backgrounds and enjoy the ultimate playback experience, making it the preferred application for music lovers. Many friends don’t know how to set up random playback of polka dot music. Let’s find out with the editor below! How to set up random play for polka dot music 1. We first open the bottom options and click on the playing icon in the middle. 2. Then you need to click the three-dot icon in the lower right corner of the music playback page. 3. Then the software pops up the playlist, click the play mode function on the right. 4. Finally, click the play mode a few more times to switch to the random play mode.

2024-07-01 comment 0 509

Course Introduction：Our demand for music and videos is getting higher and higher. In the digital age, a multi-functional full-format player has become the pursuit of many people. It allows us to enjoy the fun of multimedia, and it also has powerful functions and personalized settings. It can not only support the playback of various audio and video formats. To help you achieve the best entertainment experience, this article will recommend a powerful all-round player. 1: Super format compatibility, worry-free playback of AVI, WAV, FLAC, AAC, MP4, including but not limited to MP3. This multi-function player supports almost all mainstream audio and video formats, MKV, etc. All can be played easily, so you no longer have to worry about format incompatibility, no matter what format your music or video files are. Two: Seamless switching, smooth body

2024-05-09 comment 0 805

What is the use of hdmi interface?

Course Introduction：The function of the HDMI interface is to send uncompressed audio and video signals; the high-definition multimedia interface HDMI is a fully digital video and sound transmission interface; HDMI can be used for set-top boxes, DVD players, personal computers, TV game consoles, integrated amplifiers, digital Audio and television equipment.

2021-01-18 comment 0 24377

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