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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 11371

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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JavaScript implements imitation Youku search box

Course Introduction：js realizes the beautiful search box effect of YouKu. This article describes the example of js realizing the beautiful search box effect of YouKu. Share it with everyone for your reference. The details are as follows: The operation effect is shown in the figure below:

2017-09-08 comment 0 1615

Search for the steps to set dynamic wallpaper in win11_Search for the steps to set dynamic wallpaper in win11

Course Introduction：Some friends want to change their newly installed win11 system to dynamic wallpaper to make their desktop more beautiful and cool, but they don’t know how to operate win11. What should I do if they don’t know how to set dynamic wallpaper in win11? Don’t worry, I will give it below Let me introduce you to how to search and set dynamic wallpapers in win11. 1. You can download this software from the MicrosoftStore application store of win11. Click the search icon at the bottom of the win11 desktop and enter "Microsoft Store" to open it. 2. Then in Microsoft Store, enter "LivelyWallpaper" in the search bar, and select

2024-03-20 comment 0 766

Which mobile phone voice search software is the best? Which mobile phone voice search software is easy to use?

Course Introduction：With the continuous development of technology, mobile searches have become more and more colorful. In addition to the traditional Chinese character input search function, many search engines have also added voice search functions. Voice search is fast and convenient, and is very suitable for those "lazy" users. This site has collected many high-quality mobile phone voice search software for everyone, and you can choose according to your personal preferences and usage habits. Welcome to this site to download and experience! 1. Sogou Search Sogou Search has been upgraded to Bingo, providing a cooler user experience. Supports voice search function, allowing you to search with just your mouth. Start up faster, save traffic, load web pages faster, and watch videos more smoothly. Brand new UI design, short videos are rich and interesting, and have more complete functions. 2. Simple Search was launched by Baidu and owns Baidu

2024-02-20 comment 0 790

How to save videos downloaded from Youku to local device How to download and save videos from Youku

Course Introduction：1. First open the Youku client and enter the video name in the search box. 2. Click "Search", move the mouse to the video you want to download, and click the arrow icon in the lower left corner. 3. Choose the content you want to download. 4. Select the path to save the file according to your own needs. Then click "Download".

2024-06-26 comment 0 404

How to turn on the dynamic effect of dream desktop in win7

Course Introduction：How to turn on the dreamy desktop dynamic effect in win7? How to make your desktop effect more cool, you can use the dreamy desktop dynamic effect. For this reason, the editor will introduce to you a simple method to turn on the dreamy desktop dynamic effect in win7, so that you can easily Turn on this special effect. Introduction to how to enable the dreamy desktop dynamic effect in win7 1. First of all, the effect exists in the system32 directory. When you open "Computer", you can see that there is only one C drive. 2. Then open the C drive and click the "windows" folder in the directory. 3. Find the "system32" folder in the windows directory and open it. 4. On the system32 folder page, click the search box on the upper right and search for .scr, i

2024-06-16 comment 0 609

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