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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11337

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 17638

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 11351

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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The panel will be mass-produced in April. It is reported that the Google Pixel Fold 2 mobile phone has an external screen of 6.29 inches and an internal screen of 8.02 inches.

Course Introduction：According to news on March 13, Rose Young, CEO of the screen supply chain consulting company DSCC, recently tweeted that the previous revelations about Google’s Pixel Fold 2 folding screen mobile phone were wrong. He said in a tweet that the internal screen size of Google Pixel Fold2 folding screen mobile phone is 8.02 inches and the external screen size is 6.29 inches, and the panel will begin mass production in April this year. Some users question this and believe that if the inner screen is 8 inches, the outer screen should be at least 6.5 inches. Otherwise, it means that the borders around the outer screen are very thick and cannot compete with domestic mobile phone manufacturers. Ross Young's reply was that the external screen of the Pixel Fold 2 phone is very wide, just like the Pixel Fold 1.

2024-03-14 comment 0 775

14-inch tablet computer length and width

Course Introduction：How big is a 14-inch tablet? 1. A 14-inch tablet is about 32 cm long and 18 cm wide. 14 inches refers to the diagonal length of the notebook screen, which is approximately 356cm after conversion. The viewing area of a 14-inch LCD monitor is generally 287mm × 213mm. 2. The 14-inch tablet computer is 356cm long, 24cm wide, and the diagonal length is about 46cm. Tablet computer size generally refers to the size of the picture tube, that is, the diagonal size of the picture tube, not its display area. 14-inch computers can be divided into ultra-thin notebooks, business notebooks, etc. according to different brands. 3. The inch tablet is about 35 cm long, 25 cm wide, and the diagonal length is about 46 cm. Tablet computers are also called portable computers (TabletPersonalCo

2024-02-26 comment 0 2241

What is the difference between original screen and assembled screen?

Course Introduction：The difference between original screens and assembled screens lies in quality, performance, after-sales service and cost. Detailed introduction: 1. Original screens refer to standardized screens produced by display manufacturers. They are manufactured through mass production and usually have higher resolution, color accuracy and color depth, which can provide better images. display effect, has a long service life, and is not prone to failure. The assembled screen is a display that is assembled by third-party companies or individuals based on needs and budgets, selecting screens and other components. The quality and performance may vary, etc. .

2023-08-18 comment 0 19439

Xiaoice and ShiMeta co-create ShiMeta digital human solution: with the blessing of large models, every large-screen terminal becomes a new interactive carrier

Course Introduction：On June 21, 2024, Xiaoice and ShiMeta, a leading AIoT company, announced a strategic cooperation to jointly launch the ShiMeta digital human solution. The two parties jointly create various forms of digital human intelligent interactive large-screen terminals, integrating Xiaoice's AI large model and digital human technology with Shimatel's rich hardware business ecosystem, allowing digital humans to enter various industry scenarios and serve Qianxing. Baiye injects new productivity, improves user experience and service efficiency, and brings more intelligent changes. XiaoIce × Simatech: The rich hardware business ecological solution combines Xiaoice's large models and advanced digital human technologies such as neural network rendering and super natural speech with Simatech's high-performance motherboards, high-definition cameras, microphone arrays, equipment management platforms, etc. Conducted in-depth integration to realize large-screen terminals

2024-06-22 comment 0 602

iPhone 16 screens have begun mass production: Samsung and LG are supplying them at the same time

Course Introduction：According to news on August 9, mass production of screen panels for Apple’s upcoming iPhone 16 series mobile phones has begun. It is reported that Apple has ordered 80 million panels from Samsung, and LG is a second-tier supplier. Apple has ordered 43 million panels from LG, and Korean suppliers have confirmed that Samsung and LG are currently producing panels normally according to the order volume. Given that Apple is expected to ship approximately 90 million iPhone 16 units this year, this means that Apple has ordered more than 30% of the panel quantity. Among them, LG will benefit the most from this order. The number of panels it supplies has increased by about 10 million compared with last year, accounting for more than 30% of the market shared with Samsung. In comparison, Samsung’s order volume is

2024-08-09 comment 0 480

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