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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17597

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 11309

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 the edius mixer

Course Introduction：Import a piece of audio into Edius and drag it to the timeline panel. Find the [Mixer] button on the timeline panel, click the [Mixer] button, and the following window will pop up: The function of the parameters in the window: The main track adjusts the overall volume of the project. The left side shows the mapping of all audio tracks. Select the operating mode on the track where the volume needs to be adjusted. The track mode is to adjust the overall volume of the track, the material mode is to adjust the volume of the material where the current timeline pointer of the track is, the lock mode is to apply the volume adjustment to all subsequent materials until playback stops, and the touch mode is to release The volume is automatically restored when the audio slider is adjusted, and the writing mode continuously overwrites the original volume with the current volume adjustment.

2024-04-17 comment 0 1025

How to adjust the volume of mobile phone sound

Course Introduction：How to adjust the sound volume of the mobile phone: 1. Use physical buttons and press the volume up/down button to quickly adjust the volume of the mobile phone; 2. Enter the settings menu, first open the settings menu of the phone, and find the sound in the settings menu Or the volume option, you can adjust the corresponding volume by sliding the corresponding slider; 3. Use the quick settings panel. In the quick settings panel, there is usually a volume control icon, and then adjust the volume by sliding the corresponding slider; 4. Use a voice assistant or volume control app.

2023-09-22 comment 0 13296

How to create a fine glitter filter effect in clipping_Tutorial on how to create a fine glitter filter effect in clipping

Course Introduction：First open the professional version of Cutout. Click the audio button, select a piece of audio material in Sadness, and add it to the audio track, as shown in the picture below. Select the audio material, click Auto Step, and select Step I, as shown in the picture below. Click the media button, then click the material library button, enter the word sadness in the search bar, select a video material, and add it to the video track, as shown in the picture below. Select the video material and click the freeze button, as shown in the picture below. Select the video material and click the delete button to delete it, as shown in the picture below. Adjust the duration of both clips to 10 seconds, as shown in the picture below. Click the Effect button, select the blur opening effect in the basics, add it to the effects track, then adjust the end of the effect to align with the first audio clip point, and then change the blur level to 11, as shown in the picture below.

2024-04-28 comment 0 956

How to adjust the brightness of Wondershare Filmora video screen Filmora brightness adjustment techniques

Course Introduction：First, import the material into Wondershare Filmora9. Then drag it into the track. Clicking on the material will bring up multiple buttons. Click the [Advanced Color Correction] button. Click &gt to the left of the color. Move the brightness slider to adjust the brightness of your video. After adjusting the brightness, the effect of the video changes. After the settings are completed, click [OK] in the lower right corner.

2024-06-09 comment 0 420

Why is there no sound from the computer?

Course Introduction：No sound from the computer may be due to volume setting issues, audio device issues, driver issues, mute button or switch issues, or operating system issues, etc. Detailed introduction: 1. Volume setting problem. You need to check the computer volume setting. Please ensure that the volume adjustment slider has been adjusted to the appropriate position and is not muted. You can adjust the volume setting by clicking the volume icon in the lower right corner of the taskbar. You can also try Use the volume adjustment keys on the keyboard to adjust the volume; 2. There is an audio device problem. You need to check whether the audio device is working properly. You can try to connect headphones, etc.

2023-09-12 comment 0 1354

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