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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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Detailed introduction to HTML5 video playback

Course Introduction：First, we introduce the artifact jPlayer: jPlayer, an audio and video player based on HTML5/Flash, is a completely free and open source (MIT) jQuery multimedia library plug-in written in JavaScript (now also a Zepto plug-in); jPlayer allows you to quickly write a cross-platform The platform's web pages support audio and video playback. jPlayer's rich API allows you to create a personalized multimedia application, and therefore has gained support and support from more and more community members.

2017-07-23 comment 0 2625

How do C++ libraries handle graphics and interfaces?

Course Introduction：The C++ function library provides a variety of graphics and interface processing tools, including: SFML (cross-platform 2D graphics and audio library): used to develop sprite-driven 2D games and media players. Qt (cross-platform graphical user interface framework): used for developing desktop applications and media players.

2024-04-18 comment 0 999

axvlc.dll - What is axvlc.dll?

Course Introduction：What is axvlc.dll doing on my computer? axvlc.dll is a file used by the VLC media player by VideoLAN. VLC is an open-source cross-platform multimedia player, which can also stream audio and video. Non-system processes like axvlc.dll originate f

2024-08-27 comment 0 306

Is the number of plays equal to the number of views?

Course Introduction：The number of views is not the number of views, but two different concepts. The number of views refers to the number of times media content is played. It is usually used to measure the popularity of media content and the interest of the audience. The number of views can be used to measure video websites, music The number of views of content on online platforms such as platforms and social media. Pageviews refer to the number of times a webpage, website or application page is visited. It is usually used to measure the traffic and user activity of a website or application. Pageviews can be used to evaluate website traffic, advertising exposure, and user response to Level of interest in specific content.

2023-09-08 comment 0 4468

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