javascript - Implementation of multiple ring menus on the page? Waiting online, urgent! God save me!

I need to implement multiple ring menus on the web page, which are placed randomly. But now I have copied two ring menus, but the submenu of the second menu cannot be displayed? Please tell me how to encapsulate this js. Is the position calculated using js? {code...}

女神的闺蜜爱上我 2017-06-12 09:31:45 0  2  889

How to pass what a function calculates as a variable

How can I pass what the function calculates into a variable. {code...} As shown in the code, I use this calculation to output the image address I want, and then display the image on the page through the following code {code...} But how do I pass the content calculated by the first code to Second par...

天蓬老师 2017-06-26 10:55:07 0  2  890

What is a DNS server?

DNS (Domain Name Server) is a server that converts domain names and corresponding IP addresses. DNS stores a table of domain names and corresponding IP addresses to resolve the domain names of messages. A domain name is the name of a computer or computer group on the Internet. It is used to identify...

Crazy 2021-10-19 11:42:15 0  6  2660

What you see may not be what you think

A certain company often worked overtime, and then someone died suddenly. Then a girl came and sat in that seat, and no one told her about the sudden death. One night while working overtime, the girl couldn't write a piece of code. Thinking that her boyfriend, who was developing small programs, was v...

虎超程序 2018-11-15 16:27:40 0  0  1262

Custom shortcode for child and grandchild product taxonomy terms not working as expected

I am using 2 shortcodes [Brand Name] and [Product Name] to display subcategory terms and grandchild category terms on a product single template. Example 1: Smartphones > Apple > iPhone 14 Example 2: Tablets > Apple > iPad Pro 12.9-inch (5th generation) Example 1 shortcode works well Exam...

P粉940538947 2024-03-20 11:59:26 0  1  737

web - Why do we need Nginx when we have CGI?

After reviewing the information, I have a general understanding. Please correct me: running a website on a computer has the following division of labor. {Code...} Is the above understanding correct? If it is correct, why does Nginx exist? Because it seems that even without Nginx, it is possible to d...

漂亮男人 2017-05-16 17:27:17 0  7  739

Fatal error: Call to undefined function: imagecreate()

I'm trying to put some graphics on a web page, and on a prototype on my computer, it's working fine on localhost. But now I'm uploading the file to the server and I'm having trouble drawing some graphics. On my computer they are drawn, but not on the server. I get this error Fatal error: Call to und...

P粉459578805 2023-08-27 18:26:11 0  2  756

Align flex items in rows using specified spacing

I have two rows containing <div>'s, each row has display:flex;, and each row contains several child <div> items. In the example below you can see that in the first row there are 2 items (the green box labeled "item") and their scale is 6/3. In the second row there are 4 items a...

P粉354948724 2023-09-17 19:34:16 0  1  642

VueJS 2 application compiled to 1

We are building an application using VueJS as frontend. But we're kind of merging 2 apps into one. On the e-commerce side that is visible to the public, we have an admin panel that our employees can use to add products, users, etc. I'd like to know the best way to design each part differently. On th...

P粉009828788 2024-04-03 12:00:59 0  1  539

Is English basics really important when learning programming?

uncertain. The most fundamental thing for people who learn programming is to have a good foundation in mathematics. All algorithms can only work by relying on strict thinking logic. Programming languages ​​require writing a lot of source code. In fact, anyone who can recognize the 26 letters can pro...

藏色散人 2019-02-18 13:17:47 1  8  4846

Can PHP and MariaDB provide a more efficient solution for performing multiple inserts?

So I'm trying to build a small database to track the high scores of the pinball machines in our league. I have a table of users that only has an AIid column and a column containing their email address. Then I have a game table which is an AIid column, and the name of the machine. Since it is a many-...

P粉423694341 2024-01-16 20:14:35 0  2  514

How to solve the problem of "cannot move" error when Curl uploads files to PHP

I want to set up a simple HTTP service (using PHP) to receive files from another computer using Linuxcurl and Windows Powershell. I have read from internet sources including PHP cannot upload files to server? Use cURL to upload POST data along with the file. These posts helped me solve the parameter...

P粉904191507 2024-02-17 18:51:11 0  1  499

The method of defining dynamic keys is in redux's initialState

I have an e-commerce website where each user has a shopping cart and I use redux and reduxpersist to store it in local storage. I want to handle multiple accounts on one computer, if a user has two accounts, he can switch between the accounts and the data related to each account will be displayed, m...

P粉478835592 2023-09-05 14:15:53 0  1  565

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 wo...

P粉178132828 2023-09-05 11:18:47 0  1  900

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 ContactNam...

P粉237125700 2023-09-05 14:46:42 0  1  782

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: ...

P粉212114661 2023-09-05 15:18:28 0  1  659

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

P粉076987386 2023-09-05 15:06:32 0  1  631

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...

P粉369196603 2023-09-05 15:34:44 0  1  1053

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

P粉460377540 2023-09-05 11:46:21 0  1  538