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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11343

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 17646

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 11353

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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How to cancel iQiyi video pause advertising

Course Introduction：How to cancel the paused ads in iQiyi videos? You can cancel the paused ads in iQiyi videos, but most players don’t know how to cancel the paused ads. Next, the editor brings to users how to cancel the paused ads in iQiyi videos. Graphic tutorial, interested users come and take a look together! iQiyi usage tutorial How to cancel iQiyi video pause ads 1. First open the iQiyi video APP, go to the [My] area in the lower right corner of the main page, select Settings to enter the page and click [Privacy Center]; 2. Then go to the Privacy Center page , select the [Advertising Management] service; 3. On the last advertising management page, slide the button behind [Programmatic Advertising Service] to cancel.

2024-02-24 comment 0 2197

How to scan the QR code to log in to someone else's membership on iQiyi

Course Introduction：How to scan the code to log in to other people’s members on iQiyi? iQiyi Video can scan the code to log in to other people’s members, but most players don’t know how to scan the code to log in to other people’s members. Next is the iQiyi video that the editor brings to users Yi’s tutorial on how to scan the QR code to log in to other people’s membership. If you are interested, come and take a look! IQIYI usage tutorial: How to scan the QR code to log in to other people’s members? 1. First open the iQIYI video APP, select the avatar in the [My] section in the lower right corner of the main page; 2. Then select the login method to click; 3. Then enter Go to the page below and click [Switch Account]; 4. Then jump to the interface below and select [Add Account] to enter your account number; 5. Finally, click [Scan QR Code to Login] at the bottom to scan the QR code to log in.

2024-02-23 comment 0 1590

jquery implements LED billboard rotation system image switching effect code sharing_jquery

Course Introduction：This article mainly introduces jquery to realize the image switching effect of the LED billboard rotation system similar to the roadside scene. It is a very practical code and is recommended to everyone. Friends in need can refer to it.

2016-05-16 comment 0 1265

jquery implements image switching effect of LED billboard rotation system

2017-02-04 comment 0 1245

hwSlider-content sliding switching effect (1)

Course Introduction：Content sliding switching is widely used, and common ones include slide focus pictures, gallery switching, etc. With the widespread application of WEB front-end technology, the content sliding switching effect occupies an important position in web pages. Therefore, Helloweba on this website has specially arranged an easy-to-understand development tutorial for the content sliding switching effect for the majority of front-end enthusiasts. View demo Download source code

2017-03-24 comment 0 2365

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