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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11353

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 17659

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 11369

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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A collection of 16 exquisite and practical Christmas special effects codes!

Course Introduction：Christmas is coming, and we programmers should also get romantic~ PHP Chinese website will share with you all kinds of exquisite and practical Christmas special effects codes, including various Christmas tree special effects materials and Santa Claus animation special effects. Next Snow material special effects, etc., click on the corresponding link in the article to preview online and download for free!

2021-12-21 comment 1 18231

Can you make Christmas ppt?

Course Introduction：As a commonly used office software, ppt is not only used to display work plans and teaching courseware, but can also be used to create animations for festival activities to set off the atmosphere. It is so fun to put it on the big screen! Today, the editor will take the Christmas ppt as an example to demonstrate how to use ppt to create 3D animation. So, will you make a Christmas ppt? If you still don’t know how to do it, come and learn from the editor! 1. This course mainly talks about how to use ppt to create 3D animation. The specific requirements are as shown in the figure. 2. [Open] Draw 3D software. This software is only included with WIn10 system. Click [3D Resource Library] and select the appropriate 3D model as needed. The specific operation is as shown in the figure. 3. [Open] PPT software, [New] document, [Drag in] the prepared background material,

2024-03-20 comment 0 875

How to make the special effects of the cut-out universe_Tutorial on making the special effects of the cut-out universe

Course Introduction：1. First open the clipping APP, as shown in the picture below. 2. Click the Start Creating button, as shown below. 3. Then click the material library button, select the festive atmosphere, then select a video material with a black background and particle animation, and finally click the add button at the bottom, as shown in the picture below. 4. Click the Picture-in-Picture button at the bottom, and then click the New Picture-in-Picture button, as shown in the picture below. 5. Then click the material library button, select the green screen material, then select a meteorite video material, and click the add button at the bottom, as shown in the picture below. 6. Select the green screen material you just added and click the smart keying button at the bottom, as shown in the picture below. 7. Finally, adjust the duration of the two video materials to be the same. Click the play button to see the effect, as shown in the picture below.

2024-04-15 comment 0 660

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 1220

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 1077

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