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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11319

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 11331

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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iPad webpage is not fully displayed

Course Introduction：The reason why all web pages are not displayed on the iPad screen is because the [Convenient Access] mode was accidentally turned on. Enter the [Settings] menu and find [General] - [Accessibility] - [Interaction] - [Convenient Access] under the sub-column to turn it off.

2019-09-23 comment 0 57946

Honor Magic Vs3 folding screen mobile phone launched on JD.com: rectangular camera module + green, black and white colors, released on July 12

Course Introduction：Thanks to netizens for posting clues about something! According to news on July 8, the Honor Magic flagship new product launch conference will be held on July 12, which will bring MagicV3 folding screen mobile phone, MagicVs3 folding screen mobile phone, MagicPad2 tablet computer (12.3 inches), and MagicBookArt14 notebook. 1. The Magic Vs3 folding screen mobile phone, which has not been unveiled before, has now been put on e-commerce platforms such as JD.com, and its appearance poster has been released. This new phone uses a rectangular camera module design that is completely different from MagicV3, presenting a symmetrical look and feel. The product page shows that the Honor Magic Vs3 folding screen is available in three colors: green, black, and white. The specific name is currently unknown. Additionally, this product offers 25

2024-07-15 comment 0 1020

How to use Windows 10 tablet mode

Course Introduction：The tablet mode of win10 is equivalent to the original desktop mode. It feels like using a tablet. However, many users do not know how to use this tablet mode. In fact, the method of use is very simple. You can open or close it with one click. . How to use tablet mode in win10: 1. Click on the lower right corner of the desktop, and then click to enter the tablet desktop. 2. This option is to display a menu such as the Windows Store. 3. This item. It is the software and commonly used folders that users download and install. 4. In tablet mode, all task windows will be displayed in full screen, and tasks can also be dragged into dual-window display. 5. Click again to launch the tablet interface.

2023-12-29 comment 0 1313

Xiaomi Home electronic receipts are fully online, and paper receipts will no longer be actively provided from now on

Course Introduction：According to news from this website on August 1, Xiaomi Home announced today that electronic receipts have been fully launched. From now on, stores will no longer actively provide paper receipts. How to view the electronic receipt: Open Xiaomi Mall App or Xiaomi Lite WeChat applet, click My - All Orders - Electronic Receipt. In addition, from August 1st to August 11th, those who purchase Xiaomi MIX Fold 4 or Xiaomi MIX Flip folding screen mobile phones or spend a total of 6,000 yuan can participate in the electronic receipt lottery. The event prizes attached to this site are as follows: My Heart Is Surging gift box black) with 0

2024-08-05 comment 0 1282

Huawei's Thanksgiving Giving Season: Store spare parts enjoy a 12% discount, with a maximum discount of 2,000 yuan on various products

Course Introduction：According to news from this site on December 28, Huawei has launched the Thanksgiving Feedback Season, with discounts of up to 2,000 yuan on computers, tablets, smart screens and other products; service stores will also open 12.2% off spare parts, etc. The event will be from December 26, 2023 to February 25, 2024 day. This website noticed that users can enjoy a 50% discount on the entire store by double-clicking the power button to pay at Huawei stores, with up to 100 yuan off immediately; when making purchases in the Huawei Mall App, using HuaweiPay to pay, users can enjoy an instant discount of 20 yuan on orders of 300 yuan or more. Discount, once per person per day, limited to 2 times during the event period (December 20, 2023 - March 31, 2024, 6:00-23:00 daily), with a total quota of 1,456 people. It is worth mentioning that the spare parts discount covers mobile phones, notebooks, tablets,

2024-01-12 comment 0 1281

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