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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11425

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 17716

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 11416

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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Microsoft invites users to test Win11's new photo app: one-click cutout, background replacement, timeline introduction, etc.

Course Introduction：According to news from this site on November 18, Microsoft officially issued a press release today, inviting WindowsInsider project members of all channels to test the Win11 photo application of version 2023.11110.8002.0 or higher, and experience many new features such as one-click cutout and background replacement/ New features. One-click cutout and background replacement. The new version of Win11 Photos app introduced the background blur function in the last version update. WindowsInsider users have now upgraded to the latest version and can cut out images and replace backgrounds with one click. One option is to replace the background with a solid color after finishing the cutout. The user can click on the palette, enter a hex color code or set RGB values to select the correct background.

2023-11-18 comment 0 1178

Detailed steps to create a circular twisted line texture pattern using AI

Course Introduction：1. Run ai, create a new blank drawing board, and draw a dark pattern as the background. 2. Use the [Ellipse Tool] and hold down the Shift key to draw a perfect circle, and set the fill color to none. 3. Select the Transform option under Effect-Distort and Transform. 4. Set the horizontal and vertical scaling ratios in sequence (note: since it is a circle, the horizontal and vertical scaling ratios must be inconsistent). 5. Then, set the rotation angle and the number of copies (you can click on the preview to adjust the angle and the size and number of copies). 6. Click OK. Since the circular stroke drawn at the beginning is a gradient color, after the distortion transformation, a good-looking pattern is directly generated (you can also change the gradient color of the stroke for fine-tuning).

2024-05-06 comment 0 863

What is YY voice changer? How to adjust YY voice changer?

Course Introduction：YY Voice Changer is a feature-rich sound processing tool that can instantly change sound characteristics, including adjusting the equalizer, applying multiple sound effects, controlling the distance of the sound, and adjusting the timbre. YY Voice Changer allows users to change their voices into male, female or child voices, adding fun to online chats and allowing users to interact with others in different voice roles. YY Voice Changer also has a background music playback function, allowing users to simultaneously play their own music or songs while chatting, further enriching the communication experience. How to adjust yy voice changer? 1. Select the sound effect: Open the voice changer software and select the sound effect you want from the sound effects library on the left side of the interface. 2. Pre-listening and adjustment: After selecting the sound effect, use the pre-listening function of the software to test the voice change effect. Based on the audition results, fine-tune the pitch, sound

2024-08-01 comment 0 759

How to create cool color fonts in Photoshop_How to create cool color fonts in Photoshop

Course Introduction：1. First open [ps], create a new [1280*720] canvas, open the material, use the [Magic Wand Tool] to select the white part, reverse [ctrl+shift+i], drag it into the canvas, and adjust the position and size. 2. Then use the [Pen Tool] to select the shape, [ctrl+enter] to convert it to a selection, [ctrl+j] to copy, repeat to all paints, and adjust the size and position. 3. [ctrl+u] adjust hue and saturation to enrich colors, [ctrl+e] merge all layers, [ctrl+t] transform and stretch, right-click [Distort]. 4. Enter the copy [C], use the [Radial Gradient Tool] to draw the gradient and fill the background. 5. Then deform the paint effect according to the stroke direction, copy, [c

2024-04-03 comment 0 826

Detailed method of designing a sphere composed of three-dimensional lines in photoshop

Course Introduction：1. Create a new document and set the background color to black. 2. Click the [Ellipse Tool], hold down shift, and draw a perfect circle. 3. Adjust the [Stroke] parameters of the drawn perfect circle, and adjust the color and line thickness. 4. Press Control+Alt+Shift+T at the same time to perform the same transformation operation later. Control+J duplicates the layer. 5. Control+T, move the center point to the bottom and rotate the shape. 6. Press Control+Alt+Shift+T at the same time and perform the same transformation operation multiple times until you get the effect you want. 7. Adjust the picture and save it as JPG or PNG.

2024-04-01 comment 0 868

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