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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 11353

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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How to use the same color variable in both Storybook palette and component?

I created a library of UI components and used Storybook to provide documentation and examples for it. My goal is to declare a color palette in a SCSS file and use it in components and storybook palettes. Storybook Palette is a built-in storybook component that can create documentation for your color palettes. Therefore, I expect that if the design system's colors change, I can simply change the SCSS variable value and both the color palette and the component will be updated with the new color value. Unfortunately, the storybook documentation is in this section

2023-08-29 21:24:33

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

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How to change ps color palette into color palette

Course Introduction：The first step is to open PS and click the "Window" option. ||The second step is to click on the “Swatches” option. ||The third step is to click on the color palette on this page to see the color palette.

2019-07-23 comment 0 27204

How to customize color palette in CorelDraw How to customize color palette in CorelDraw

Course Introduction：Many users have just come into contact with CorelDraw software and are not very familiar with how to customize the color palette in CorelDraw? The content presented to you in this chapter is the method of customizing the color palette in CorelDraw. Interested users can learn it below. How to customize color palette in CorelDraw? How to customize the color palette in CorelDraw First, we start the CorelDRAW software. Then find the "Window" button on the upper menu bar. Then find "Palette" under the "Window" button, then find the "Palette Editor" at the bottom and edit the default palette in the pop-up dialog window. Or click on the icon as shown in the picture to "New Palette". Select the save location of the custom palette and click Save

2024-08-05 comment 0 820

How to add color palette in PS

Course Introduction：How to add color swatches in PS: First open the PS software and create a new blank canvas; then select the edit option and find the preset manager inside; then find the word swatch in the preset type; finally select the downloaded new swatch file. Click OK to complete the settings.

2019-08-12 comment 0 8994

How to turn the color palette into a color wheel in PS

Course Introduction：How to adjust the color palette into a color wheel in PS: First click "Edit" in the top menu of PS and select "Performance"; then check "Use graphics processor" in the graphics processor settings; then in the preferences In the dialog box, select "General"; finally click the drop-down box and select the hue wheel.

2020-11-19 comment 0 28393

How to create a slider of HSV color palette using OpenCV Python?

Course Introduction：To create a slider for the HSV (hue, saturation and value) color palette in OpenCV, we use two different functions. These functions are cv2.reateTrackbar() and cv2.getTrackbarPos(). The slider is created using the cv2.reateTrackbar() function, while the cv2.getTrackbarPos() function is used to access the value of the selected slider position. Using these two functions, we create a slider containing the H, S, and V colors and a color window to display the selected color. By changing the position of the slider, we can select a specific color value. H ranges from 0 to 179, while S and V range from 0 to

2023-08-18 comment 0 1628

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