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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11374

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 draw a cartoon crow with flash - Tutorial on drawing a cartoon crow with flash

Course Introduction：1. First open a blank document 2. Click the Ellipse Tool 3. Draw two ovals on the stage 4. Click the Pen Tool 5. Draw the following graphics on the stage 6. Click the Ellipse Tool again 7. Draw two ovals 8 .Click the selection tool 9. Adjust the graphics as follows 10. Use the paint bucket tool to fill in color 11. Finally, merge all the graphics together and the drawing is completed.

2024-05-06 comment 0 1202

Tutorial on how to design cartoon beautiful girls in Flash

Course Introduction：1. Open Flash, find the pen tool in its toolbox, and use the pen tool to draw the beauty’s hair. 2. Use the pen tool to draw the beauty’s face, and then draw the beauty’s ears on the face. 3. Use the pen tool on the face to draw the beauty’s eyes and mouth. 4. Then draw the beauty’s neck under the head, and then draw the hair below the chin. 5. Draw the beauty’s body under the head, then draw the beauty’s breasts on the body, and then draw the beauty’s arms on the body. 6. After drawing the beauty, find the paint bucket tool in the tool box and set its color. 7. Fill the hair with this color, and then set the color in turn to fill the color, so that our vector beauty is designed.

2024-04-10 comment 0 498

The operation process of designing cartoon puppy graphics in Flash

Course Introduction：1. After opening Flash, find the pen tool in the toolbox. 2. Select the pen tool and draw a shape on the stage as the outline of the puppy's head. 3. Then draw the two ears of the puppy on the outline of the puppy's head. 4. Find the oval tool in the flash tool box. 5. Select the oval tool to draw the puppy’s eyes, then use the pen tool to draw the puppy’s eyebrows, and draw the puppy’s eyelashes on the eyes. 6. Use the pen tool under the eyes to draw the puppy’s nose, and then draw the puppy’s mouth under the nose. 7. Then draw the two arms of the puppy under the puppy’s head. 8. Draw the puppy’s body and two feet based on the two arms. 9. Finally, the puppy’s ears, eyes, and nose

2024-04-10 comment 0 899

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