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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11327

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 17632

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 11338

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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Detailed steps for batch importing vector material images into PPT

Course Introduction：1. Search for vector icons, as long as they are in ai or eps format. 2. Open ai, double-click the blank space to import the material. 3. Select a material. As can be seen from the picture, each character is grouped together. We choose to right-click to cancel the grouping. 4. After canceling the grouping, select a small icon individually and copy it with ctrl+c. 5. We go to the PPT interface, press ctrl+alt+v to paste selectively, and select the enhanced metafile. Paste the image below. 6. It’s not over yet. The image is not editable. We right-click and select Group-Ungroup. In the pop-up window, we select Yes. 7. Open the selection pane, and you can see that the graphic is composed of multiple small vector graphics. 8. At this time, you can modify the graphic, such as changing the clothes to yellow.

2024-03-26 comment 0 825

How to import AI materials into PPT

Course Introduction：Use AI to open vector material. Select the material and right-click [Ungroup]. Select the material and press [Ctrl+C] to open the PPT. Press [Cttl+Alt+V] to select the material and press [Ctrl+Shift+G] twice in succession. In the imported material The final effect of deleting the first frame is as shown in the figure

2024-04-18 comment 0 886

How to create silhouette text in CorelDRAW Production method tutorial

Course Introduction：CorelDRAW is a very easy-to-use picture design software. It has many powerful functions that can help users design a variety of beautiful and creative pictures and text. Today, let us take a look at how to create silhouette text. Most of these text effects are made with silhouettes of small animals or plants, so we need to prepare this type of vector material. Let’s take a look at the details! The specific operations are as follows: 1. Open the CorelDRAW software and substitute the vector material. If it is not a vector image, click [Tracing Bitmap] to convert it. 2. Use the [Pen Tool] to circle the part where you want to replace the text. 3. Select the silhouette material and the drawn curve. , click Intersect, extract the tail and click Simplify to remove the tail from the original material. 4. Input

2024-02-09 comment 0 1248

Many Snapdragon 8 Gen4 flagships enter the 6000mAh era: Android battery life giant

Course Introduction：According to news on May 28, several digital bloggers revealed that iQOO13 series, OPPO FindX8 series, OnePlus 13, Realme GT6Pro and other models will be equipped with ultra-large capacity batteries of more than 6000mAh. Among the above models, only the standard version of OPPO Find It is reported that these Snapdragon 8Gen4 devices use a new generation of high-density silicon anode batteries. At present, one of the evolution directions of battery technology is the improvement of battery materials. As for anode materials, traditional graphite anode materials are close to their performance limits. Therefore, choose to replace the silicon with higher performance

2024-06-01 comment 0 921

'The Sixteen Sounds of Yanyun' Tai Chi helps you sleep and solves the puzzle

Course Introduction：How to solve the puzzle of Yanyun’s sixteen tones of Tai Chi for sleeping? There are a lot of puzzles in the Yanyun Sixteen Tones game that require players to challenge. Among them, Tai Chi sleep aid is a relatively difficult puzzle to solve. It requires players to constantly move the position of the statue to trigger the mechanism. Let's learn more about Tai Chi in detail with the editor. Here are some specific steps to help you sleep. "Sixteen Tones of Yanyun" Tai Chi puzzle solving method 1. First follow the task guide to the puzzle solving location. 2. Then go to the dragon head statue in the picture below and move the dragon head clockwise. 3. Answer to the puzzle: From the perspective of the trapped person, the dragon heads of the two erected statues are facing inwards, and the dragon heads of the two statues on the horizontal line are facing outside. 4. Finally, if the puzzle mechanism is successfully solved, a black bear will appear. You need to use the mechanism to throw the black bear into the stone to cause damage.

2024-07-16 comment 0 532

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