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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11329

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 11344

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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Which one is better to use, video cable or HD cable?

Course Introduction：Video cables and HD cables differ in function and application. Video cables usually transmit video signals, while HD cables are specifically designed to transmit high-definition video signals, which provide clearer pictures, higher resolution, and the ability to transmit high-quality audio. When obtaining a high-quality experience on high-definition devices, HD cables are a better choice, but when image quality requirements are not high, video cables are sufficient.

2024-04-22 comment 0 737

Where is the clear picture quality of the wake-up picture?

Course Introduction：The wake-up image can have high-definition image quality, so where is the function of clear image quality? Users need to click on the three horizontal icons on the upper left, then find HD quality in the settings, and turn it on to get HD quality. This clear image quality function location introduction can tell you the specific content. The following is a detailed introduction, come and take a look. Tutorial on how to use the wake-up image. Where is the clear image quality of the wake-up image? Answer: Click on the three horizontal icons and turn on the high-definition image quality in the settings. Specific introduction: 1. First, you need to open this software. 2. Then click the settings button in the upper left corner of the app. 3. Click Settings, then click HD Quality, and turn it on.

2024-02-23 comment 0 1300

How to upload high-definition video tutorial on Douyin? How does it send 4K or 1080P?

Course Introduction：As a leader in the field of short videos, Douyin’s clear video quality has been loved by a large number of users. On the Douyin platform, uploading high-definition videos allows users to more intuitively feel the richness and details of the content. So, how to upload high-definition video tutorials on Douyin? This article will introduce in detail the methods and precautions for uploading high-definition videos on the Douyin platform. 1. How to upload high-definition video tutorials on Douyin? To upload HD videos on the Douyin platform, you can follow these steps: 1. Shoot a video: When shooting a video, select HD mode. The default shooting quality of Douyin app is HD, with a resolution of 1080P. 2. Edit the video: On the Douyin editing page, click the "HD" button to ensure that the video quality is HD. 3. Post a video: When posting a video

2024-03-22 comment 0 1555

What does it mean when hd1 is displayed in the upper left corner of the phone?

Course Introduction：HD1 is displayed at the top of the mobile phone screen, indicating that China Mobile VoLTE high-definition voice service is enabled. If you need to cancel, go to Settings-(More Connection Settings)-Mobile Network-HD Voice-Turn off.

2019-12-11 comment 0 69426

Do you need to turn on HD on your phone?

Course Introduction：Whether to turn on HD on a mobile phone depends on multiple factors such as shooting needs, device performance, storage space and battery life. In some cases, turning on HD mode can provide higher quality photos and videos, but there are associated impacts and compromises to consider. According to the specific shooting situation and needs, make a reasonable choice whether to turn on HD mode to obtain the best shooting experience. In mobile phone cameras, HD usually refers to high-definition resolution shooting mode, which allows you to shoot photos and videos at a higher resolution for clearer and more detailed images.

2023-11-27 comment 0 1722

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