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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11322

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 17629

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 11334

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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Pure CSS3 creative navigation menu effects

Course Introduction：This is a very creative pure CSS3 navigation menu effect. This navigation menu mainly uses CSS3 transform and transition methods to achieve effects, which is very simple. This special effect is provided by Attack of the Sun.

2017-01-17 comment 0 2036

Detailed method of adding spotlight cover to text in PPT

Course Introduction：Create a new slide, then insert vertical text, write the topic content, insert a circular shape into the menu bar, set the properties of the shape, fill it with white, select the wireless line to turn the circle into a Write a circular shape transparently and then set the background color. Fill the background of the slide with black and set the inserted text theme content to be on top. Select the circle, click the menu bar to customize the animation, set an animation effect, and we choose Fly Click on the set fly-out animation effect as shown in the picture and set its timing time. If you want it to be fast, you can set it to 0.5 seconds. After setting it up, click on the preview effect in the menu bar animation. To see the spotlight effect, sweep out your theme text from top to bottom.

2024-04-17 comment 0 1034

How to add scatter dot brushed effect to a circle in ai - How to add a scatter dot brushed effect to a circle in ai

Course Introduction：1. First, we open the AI software interface, click the straight line segment tool to draw a vertical line 2. Then, in the distortion and transformation column of the effect menu, open the transformation effect window, adjust the parameters as shown in the figure below, and click the OK button to save 3. Again, click the Expand Appearance button in the object menu 4. Find the Expand tool on the left, hold down the shift key to expand the graphic range until it takes a circular shape 5. Finally, open the stroke settings window, adjust the thickness to 0.25pt, and set the end Set the head shape to a circle, and modify the color background appropriately to add a scattered dot brushing effect to the circle. I will share the method here. I hope it can help everyone.

2024-05-06 comment 0 670

What are the characteristics of canvas

Course Introduction：The characteristics of canvas include ease of use, powerful drawing functions, high performance, cross-platform compatibility, scalability, animation effects, and the ability to handle large amounts of data. Detailed introduction: 1. Simple and easy to use, Canvas provides a simple and easy-to-use API, allowing developers to easily create and operate graphics; 2. Powerful drawing function, Canvas supports drawing various basic graphics, such as rectangles and circles. , straight lines, etc., and also supports drawing complex curves and paths; 3. High performance and other features.

2023-08-17 comment 0 1968

How to create a telescope effect in Adobe Premiere Pro CS6 Specific operations of creating a telescope effect in Adobe Premiere Pro CS6

Course Introduction：First, we import the materials used into the project panel and create a new [Dual Telescope] sequence. Click [Subtitles - New Subtitles - Default Static Subtitles] in the menu bar, select the Ellipse tool in the pop-up dialog box, hold down the shift key at the same time, draw a circle on the screen, then click the selection tool, while holding down Alt Click and drag the circle just now to copy a circle, as shown in Figure 1. Name the subtitle [Telescope]. Then we drag the material landscape.jpg to the video track 1, and drag the subtitle [Telescope] to the video track 2. Add [Video Special Effects - Keying - Track Mask Key] to the material in the video track 1, click to select the material in the video track 1, open the special effects control panel and set the parameters of the track mask key as shown in Figure 2. Then click

2024-06-02 comment 0 845

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