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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11279

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 17603

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 11314

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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There are several preview methods in CorelDRAW. Introduction to previewer image types

Course Introduction：As an excellent vector drawing software, CorelDRAW has rich drawing functions and convenient and fast drawing tools, and is deeply loved by designers. Before, we talked about how to set up previews so that users can find the materials they need faster and more conveniently. Today I will introduce to you the types of preview views so that you can make better choices! The specific types are as follows: Wireframe view: This mode displays graphic outlines without color details. Quickly preview the basic elements of a drawing. 2. Normal view: PostScript fills or high-resolution bitmaps are not displayed when displaying graphics, so this mode opens and refreshes faster than "Enhanced" mode 3. Enhanced view: Outline shapes and text are displayed softer

2024-02-10 comment 0 719

How to shorten the timeline length in edius

Course Introduction：1. Drag a material onto the Edius timeline track. Here, a music material is used. By default, the material display length unit is 1 second. In this way, the 4-minute audio material timeline will be dragged very long for editing. Dragging all the way back is very inconvenient. 2. While ensuring that the duration of the entire material remains unchanged, if you want to shorten the length of the timeline on the video and audio track, you can adjust the small triangle next to the video display length button on the left, which is the button framed by a red rectangle in the picture above. 3. In the pop-up drop-down box, the available time units include frames, seconds, minutes, and adaptive; you can select 1 minute, and you will see that the length of the Edius timeline is indeed much shorter, making it much easier to edit. 4. You can also use shortcut keys to achieve this, just press and hold

2024-03-28 comment 0 1093

Where to identify voices in dubbing shows? Overview of the process of identifying voices in dubbing shows

Course Introduction：Dubbing Show is a mobile dubbing software that provides rich film and television materials and convenient dubbing functions. It supports individual or collaborative dubbing, and can share works on social media. It is an ideal choice for dubbing enthusiasts and creators. Many users don’t know how to use the dubbing show to identify voices. You will know after reading the article! Where to identify the voice of the dubbing show 1. First open the APP and select [Microphone] in the middle below. 2. Then click [Voice Identification]. 3. Then select [Gender], turn on [Microphone], and then read the given text into the microphone. You need to record more than 8 seconds of audio. 4. Finally, after we finish reading, click the red icon to pause, and wait a few seconds to see the appraisal report.

2024-07-01 comment 0 369

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1175

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1031

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