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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17643

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 11352

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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How to use sound effects in NetEase Cloud Music

Course Introduction：How to use sound effects in NetEase Cloud Music? The music listening services in NetEase Cloud Music are very diverse and can bring us rich and diverse music listening services based on the original high-quality music. Through the sound effects function in NetEase Cloud Music, we can turn one song into multiple different songs for listening. If you want to use different sound effects to listen to songs, follow the editor to have a look at Listening to Music Sound effect setting tutorial. How to use sound effects in NetEase Cloud Music 1. Enter the NetEase Cloud Music playback page, and then click the three-dot icon on the right. 2. Click on the whale cloud sound effect in the pop-up content. 3. Select the sound effect you want to add and click Use.

2024-02-06 comment 0 1102

How to set hardware decryption priority for NetEase Cloud Music. How to set hard decryption priority for NetEase Cloud Music.

Course Introduction：The hard decoding priority setting in NetEase Cloud Music is a key part of improving the quality of music playback. By properly setting the hard decoding priority, users can ensure that the music gets the best decoding effect during playback, thereby obtaining clearer and smoother sound quality. , this article will introduce in detail the operation method of NetEase Cloud Music setting hard solution priority, helping users to easily improve the quality of music playback. NetEase Cloud Music settings hard solution priority operation method 1. First click to open the NetEase Cloud Music APP on the mobile phone to enter, click to select "My" in the option bar at the bottom to switch to enter, and then click on the upper left corner of the My page Click on the "three horizontal lines" icon to open it. 2. At this time, a menu page will pop up on the left side of the page. Click on it to select the "Settings" function to open it. 3. After coming to the settings page, swipe the screen

2024-07-12 comment 0 771

How to write click event using jquery

Course Introduction：jQuery is a very popular JavaScript library that makes writing interactive web pages easier. By using jQuery, you can easily add dynamic effects, manipulate form data, and perform other common web page operations. In jQuery, adding click events is very simple, let's see how to use it to add stand-alone events to web page elements. To add a click event, you first need to make sure you include the jQuery library in your web page. You can download it from jQuery’s official website (https://jquery.

2023-05-23 comment 0 3483

NetEase Cloud Music Windows new version has been launched on the official website

Course Introduction：According to reliable sources, after a long period of internal testing, the new NetEase Cloud Music client is now online on the official website. The latest Windows version of NetEase Cloud Music is 3.0.1.201499. Users can choose the 32-bit or 64-bit version for installation. The new version does not include cloud disk and song recognition functions for the time being. If you need these functions, you can also choose to install the old version 2.10.10.20129. According to reports, the new version of NetEase Cloud Music introduces a modern user interface design, adds dynamic effects to the playback page, and supports user-customized wallpaper settings. However, due to the application of new technologies, the new version has a certain increase in resource consumption compared with the old version of the client. If you are checking for updates in the old version of NetEase Cloud Music client,

2024-03-05 comment 0 1339

JavaScript implements imitating Sina Weibo lobby and Tencent Weibo homepage scrolling special effects source code_javascript skills

Course Introduction：Recently, I saw a friend using JavaScript to realize the scrolling effect of imitating Sina Weibo lobby and Tencent Weibo homepage when not logged in. My friend used jquery to achieve it. I saw on the Internet that it is better to use js to make it, so I organized and shared my content with everyone. Please see this article for details

2016-05-16 comment 0 1690

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