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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11370

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 cast Site B on TV? Share the guide on how to cast the Bilibili screen to TV!

Course Introduction：How to cast Bilibili screen to TV? Share the tutorial on how to project screen to TV in b war! 1. Connect the mobile phone and the TV to the same wifi. If the mobile phone uses the mobile network and the TV uses the wireless network, screencasting will not be possible. 2. Open the software, play the live broadcast you want to cast, and click the three dots in the upper right corner in full-screen viewing mode. 3. Click "Cast Screen". 4. This is automatically converted from landscape mode to portrait mode. Just select the TV device that needs to be voted on in the device list.

2024-01-02 comment 0 2408

State Administration of Radio, Film and Television: The default setting of the cable TV terminal system should be 'power on and enter full-screen live broadcast'

Course Introduction：According to news from this site on November 27, the State Administration of Radio, Film and Television recently issued three notices on radio, television and online audio-visual industry standards including the "Technical Requirements for Cable TV Business", requiring cable TV terminals to provide "power on to enter full-screen live broadcast" and "power on to enter highlighted "Interactive homepage of the live broadcast channel" two "boot mode" options, the system default setting should be "boot into full-screen live broadcast". Picture source: If Pixabay chooses to enter the interactive homepage startup mode, the default focus should stay on the live broadcast window after startup, and if the user does not operate within 20 seconds, it should automatically enter the full-screen live broadcast. According to relevant notices, the booting process of a cable TV smart set-top box should not exceed 35 seconds (note on this site: including advertisements). Cable TV operators are providing live channels, time-shifted TV, and channel playback

2023-11-27 comment 0 1268

How to set up Douyu live barrage How to set up Douyu live barrage

Course Introduction：How to set up Douyu live barrage? Douyu Live allows you to send barrages for discussion while watching the live broadcast. You can also adjust the font size of the barrages, and you can also block some low-level barrages. Many friends still don’t know how to set up Douyu live broadcast barrages. The following is a summary of how to set up Douyu live broadcast barrages. Let’s take a look. How to set up Douyu Live barrage 1. Open and log in to Douyu Live on your mobile phone; 2. Open any live broadcast room and continuously click the "Barrage" button at the bottom left of the page to select "No barrage mode" or "Barrage mode". "Simplified barrage mode" and "Gorgeous barrage mode"; 3. Click the gear-shaped "Settings" button on the upper right side of the page; 4. Click to select the barrage display position, which includes top, bottom and full-screen display.

2024-07-01 comment 0 559

How to adjust iQiyi video back to full screen

Course Introduction：How to adjust iQiyi video back to full screen? iQiyi video can play videos in full screen, but most users don’t know how to adjust the full screen mode in iQiyi video. Next is the iQiyi video brought to users by the editor There is a graphic tutorial on how to adjust the video to full screen. If you are interested, come and take a look! iQiyi usage tutorial How to return iQiyi video to full screen 1. First open iQiyi Video APP, select your favorite video to play on the main page, and click on the icon shown by the arrow in the picture below; 2. Then jump to the horizontal screen page, Click the three-dot icon in the upper right corner; 3. Finally, expand the function bar on the right and slide [Full Screen Viewing] to adjust the full screen.

2024-02-23 comment 0 1535

How to invite friends on Mango TV How to invite friends

Course Introduction：The operation method of "Mango TV" to invite friends. The first step is to click to open the "Mango TV" software. The second step is to enter the main page and click to open the "TV or movie" you want to watch. The third step is to enter the playback page. Then, click to open "Full Screen" viewing. The fourth step is to click the "Watch Together" function. The fifth step is to click "Create Room" and then click "Invite", and then invite friends to enter the room. 1. Open the Mango TV app on your mobile phone and find the movies, TV series, variety shows and other programs you want to watch; 2. After entering the video playback page, select the number of episodes you want to watch, click on the screen to display the progress bar, and click on the lower right corner [Full-screen viewing]; 3. In full-screen viewing mode, click the middle of the screen to reappear the progress bar, and then click [One] at the top

2024-06-11 comment 0 390

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