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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11324

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 17630

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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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 0 847

How to create rounded polygons with AI

Course Introduction：1. First draw an ellipse and find the "Ellipse Tool" on the toolbar (the shortcut key is L). 2. Drag the mouse on the drawing board to draw an ellipse. If you hold down the shift+alt keys, you can draw a circle with the mouse click position as the center. 3. Draw a rounded polygon and find the "Polygon Tool" on the toolbar. 4. Press the "↑" arrow key while drawing to increase the number of sides of the polygon. 5. Find "Effect/Stylization/Rounded Corners" and fill in a fillet radius to get a rounded polygon. 6. Draw a pentagon below and find the "Star Tool" in the toolbar. 7. Press the "↓↑" arrow keys while drawing to adjust the number of star corners; in addition, when drawing a pentagon, press the ctrl, alt, and shift keys respectively to get different results as shown in the figure.

2024-04-07 comment 0 557

How to draw a hollow ball with colored stripes using AI - Tutorial on drawing a hollow ball with colored stripes using AI

Course Introduction：1. First, in the ai software, use the shape tool to draw bar graphics of different colors, select them all with the mouse and drag them to the symbol panel 2. Then, click the ellipse tool to draw a semicircle graphic 3. Next, select the semicircle , click the 3D rotation option in the effect menu above, and modify the parameter information as shown below 4. Then, click the map button, select the definition symbol in step 2, click the Scale to fit button in the lower left corner, and check the 3D model Invisible option 5. Finally, click OK to return to the 3D rotation options menu, set the surface to no shading effect, and the tutorial for drawing colorful hollow balls with AI is shared here. I hope it will be useful to everyone.

2024-05-06 comment 0 719

How to draw a gradient arc in wps_How to draw a gradient arc in wps

Course Introduction：1. After opening the interface, click the shape option in the insert menu and select the ellipse style. 2. Drag the mouse to draw a 15*15 cm circle, change the color fill to orange, and set the no-outline effect. 3. Copy the circle. And modify the height and width to 16.5*16.5 cm 4. Open the object properties panel of the copied circle, modify the no fill and gradient line effects 5. Adjust the gradient color, position and transparency of the arc according to the parameters shown in the figure 6. Finally: Align the arc and circle settings in the center to complete the arc drawing of the circle.

2024-04-25 comment 0 786

How to transform ai rectangular distortion-ai rectangular distortion transformation method

Course Introduction：1. After opening the interface, click the rectangle tool to draw a rectangular pattern, and set the fill color to cyan 2. After clicking the mouse to select the rectangle, find the distortion and transformation column in the effect menu above and select the free distortion effect 3. Drag the mouse to move Position the corners of the rectangle, twist it into a parallelogram effect, and click OK to save. 4. Finally, modify the fillet parameters appropriately for the rectangle.

2024-05-06 comment 0 865

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