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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11302

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 17615

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 11321

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 cast seewo whiteboard to mobile phone_How to cast seewo whiteboard to mobile phone

Course Introduction：1. Download and install the [Seewo Whiteboard] software on both your mobile phone and computer. 2. Open [Seewo Whiteboard] on your mobile phone and computer respectively. 3. Use [Seewo Whiteboard] to open the courseware on the computer. 4. The mobile phone software will display the [Mobile Teaching] button, click it. 5. To control on the mobile phone, you can choose two control modes: [courseware/remote control]. 6. The courseware content will be synchronized on the computer. 7. On the mobile phone, you can select tools and perform real-time [annotation] and other operations.

2024-04-23 comment 0 978

How to use seewo whiteboard screen mirroring. List of steps to use seewo whiteboard screen mirroring.

Course Introduction：Seewo Whiteboard is an interactive smart whiteboard software that supports the projection of the mobile phone screen onto the electronic whiteboard to realize the interaction between the mobile phone and the electronic whiteboard. This screen projection technology provides teachers with a more convenient and efficient teaching method. This article will The operation steps are introduced in detail to help you make better use of this technology to improve teaching results. Overview of the steps to use seewo whiteboard screencasting 1. Click on the courseware that needs to be screencasted on the seewo whiteboard mobile app and click [Mobile Teaching]. 2. Click [Share Screen] and connect the mobile phone's wifi and the computer to the same network to succeed.

2024-07-11 comment 0 1197

How to mirror seewo whiteboard to mobile phone How to mirror seewo whiteboard to mobile phone

Course Introduction：First, open [Seewo Whiteboard] on your mobile phone and computer respectively. Then, use [Seewo Whiteboard] to open the courseware on the computer, and the mobile software will display the [Mobile Teaching] button, click it. Then, control it on the mobile phone, and you can choose two control modes: [courseware/remote control]. The courseware content will be synchronized on the computer side. On the mobile phone, you can select tools and perform real-time [annotation] and other operations.

2024-06-10 comment 0 479

How to set up lighting synchronization on Gigabyte motherboard?

Course Introduction：How to set up lighting synchronization on Gigabyte motherboard? GIGABYTE motherboards support the use of RGBFusion software to adjust and synchronize lighting effects on motherboards, graphics cards and other hardware devices. The specific setting steps are as follows: 1. Download and install RGBFusion software. This software can be downloaded and installed from the official Gigabyte motherboard website. 2. Open the "RGBFusion" application and select the hardware device that needs to adjust the lighting effect, such as motherboard, graphics card, etc. 3. On the software interface, you can choose different preset lighting effects or customize personalized effects. You can also adjust light color, brightness, speed and other parameters. 4. If you need to synchronize the lighting effects of multiple devices, you can select "Sync Mode" in the software, and then select the devices that need to be synchronized. Thereafter, all devices

2024-02-15 comment 0 2603

What are the running scores of Huawei Pura70_Introduction to running scores of Huawei Pura70 processor

Course Introduction：Mobile phone benchmarking is a method used to test the performance of mobile phones. It conducts various tests on the mobile phone through related software to evaluate its smoothness and performance during operation. Generally, the higher the score, the better the performance. So what is the benchmark score of Huawei Pura70? What is the benchmark score of Huawei Pura70? The AnTuTu score is 979,000, and the Geekbench score is 1,447 points in single-core and 4,765 points in multi-core. The machine also uses the series’ iconic triangular camera module and is available in four colors: feather sand black, snowy white, cherry rose red, and ice crystal blue. , 157.6mm (length) × 74.3mm (width) × 7.95mm (thickness), weighs about 207 grams, and supports IP68 dustproof and waterproof. The machine is equipped with a 6.6-inch 2760×1256 image

2024-04-22 comment 0 723

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