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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17597

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 11309

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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Custom chat bubbles that react to audio in native chat applications

I am developing a chat application and I want to customize audio bubbles in my chat application in ReactNative way I want to use this type of bubbles as audio in my chat application in ReactNative Can anyone tell me how to use what I have tried But it doesn't work to operate the view.

2023-09-01 14:14:10

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

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How to split screen on mobile phone Must read: Steps to split screen on mobile phone

Course Introduction：I want to watch videos and chat with my friends at the same time, but I can only keep switching windows back and forth, which is really annoying! ! Do you want your mobile phone to be like a computer, with multiple windows running at the same time? For gaming masters, split-screening on a mobile phone is a piece of cake. Two or more apps can be used at the same time. They can also move freely, zoom in and out, and chat while watching videos. But do you know two ways to quickly launch multiple windows? You haven’t had enough using single-window operations on your mobile phone, so you must know how to use split-screen operations on your mobile phone to realize more possibilities! Today I will teach you two different methods to achieve quick startup of multiple windows. It is recommended to collect them! How to use Multi-Window Quick Start: Take out your Samsung phone, open GoodLock, enter MultiStar, and open [Multi-Window Quick Start]

2024-06-08 comment 0 1119

A simple way to set bubbles on DingTalk

Course Introduction：DingTalk chat messages do not currently support setting bubbles, but you can set the chat background. Enter the group chat or single chat on the mobile phone, click the three-dot icon in the upper right corner of the chat window, and click Set Chat Background to set it. Compared with other software, DingTalk chat communication has three major advantages: Efficiency: instant messaging and group chat support messages that have been read or unread, and unread messages can also be forwarded to DING with one click for reminder; you can communicate with colleagues in the same company without adding friends Communication is faster and more efficient! Security: Real-name chat, automatic exit from the company group after resignation; messages sent or mistakenly sent can be withdrawn, safer! Focus: Support focus mode, automatically filter out no new messages and do not disturb conversations; support customized grouping according to pin, single chat, group chat, etc., so you can focus more on your work!

2024-04-28 comment 0 1043

How to implement chat tool in php

Course Introduction：How to implement the chat tool in PHP: 1. Execute the function set_chat_msg; 2. Execute chat_send_ajax.php in the server; 3. Receive form data from Query String; 4. Collect chat information; 5. Return the content in the window.

2021-11-23 comment 0 2831

What is the difference between a subscription account and a mini program?

Course Introduction：The difference between subscription accounts and mini programs: 1. Mini programs load widgets more slowly and have specially provided components, while subscription accounts load components faster, but are native page components; 2. The operation background of mini programs is real-time data. The subscription account is non-real-time data; 3. The mini program and the chat window can be switched between each other, but the subscription account needs to be exited before entering the chat window; 4. The mini program has a larger number of interfaces, while the subscription account has a larger number of interfaces. Few, limited by browser, only provide limited functionality.

2022-08-25 comment 0 5963

Split-screen tutorial on DingTalk Live

Course Introduction：1. Open the group chat window and click the [Start Live Broadcast] button on the open chat window. 2. Customize a live broadcast theme and select [Professional Mode] as the mode. 3. Click [Add Screen] to create a new live broadcast screen. 4. Click [Window Sharing] at the top and select a window to be shared. 5. Click to select the window to share and drag the small square on the side to zoom. 6. Open [Window Sharing] again, select another window, and check [Overlay]. 7. Now you can see two windows in the live broadcast screen, and then typesetting them is done.

2024-04-29 comment 0 886

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