How does PHP handle the two-dimensional display and submission of colors and sizes in product management?

Dear friends, I recently encountered a problem with the color and size attributes of a product. For example, a product has two colors and three sizes. Product A has a color design [black, white] and a size design [S, M, L]. I want to click on it. The product list comes to the product details page, e...

P粉529965851 2023-06-12 12:01:22 0  1  679

What software does the teacher use that can extract colors and measure pixels?

What software does the teacher use that can extract colors and measure pixels?

⁺正号⁺ 2018-07-19 20:11:39 0  1  1593

When applying TailwindCSS styles in Next.js, I encounter the problem that the styles are not rendered.

Setting the background cover using TailwindCSS, I extracted the color from the bookId (10 digits) in useEffect. The colors get updated and the component re-renders with the updated color values, but the background color of the rendered page is still the same color of its parent div. constcolors=['fr...

P粉933003350 2023-08-27 09:05:26 0  1  634

How to use the same color variable in both Storybook palette and component?

I created a library of UI components and used Storybook to provide documentation and examples for it. My goal is to declare a color palette in a SCSS file and use it in components and storybook palettes. Storybook Palette is a built-in storybook component that can create documentation for your color...

P粉670107661 2023-08-29 21:24:33 0  1  660

Please take a look and teach me this newbie.

I now have a table like this. The numbers in it are ages, which are read from the database. The following is the PHP code. The effect I want now is to divide the colors according to the zodiac, (for example: 01, 13, 25, 37, 49 If the zodiac sign is Rooster, write Rooster below the age, with a red ba...

大浪淘金 2017-07-22 15:08:00 0  4  1222

PHP JS mobile button changes color when clicked, and the selected numbers form an array

PHP JS The background color of the mobile number button changes color after being clicked. The selected numbers form an array. If the three number buttons 1, 3, and 9 are selected, the button will turn red. After clicking OK, the variable ABC=1, 3, 9 is written by yourself. It works on ios but not o...

HARDWARE 2018-03-06 00:10:45 0  0  1222

How to get the final value of province and city in php?

How to get the final value of province and city in php? After I want to implement linkage, I want to submit the linkage value to a php file through submission, and then insert it into another table in the database.

Fllllll 2018-03-16 18:40:26 0  1  1236

How to access MysqlServer on my PC via a PHP script on a remote hosting server

I have installed MysqlServer and MysqlWorkbench on my computer. The server is running well (green). Now I have a shared hosting server and I want to get data from a database on my computer via a PHP script. There is no database or any data yet as I just want to establish a connection between the two...

P粉317679342 2023-09-06 17:40:54 0  1  536

After cross-class call, method cannot be found

Do static method overloading to achieve chained access to the database exercise demo5.php references the Query.php class and then accesses the method in Query. The page prompts me that the method 'table' is not found in the Database. The following is the source code. I hope it can help. The first er...

方人胥 2021-06-12 17:16:18 1  2  890

Warning: Unable to modify header information - header already started sending output at line 12 of /some/file.php at line 23 of /some/file.php

In order to understand why headers must be sent before output, it is necessary to look at a typical HTTP response. The PHP script mainly generates HTML content, but also passes a set of HTTP/CGI headers to the web server. This error occurs when you host your website on a server with a database or PH...

P粉164942791 2023-07-30 11:19:01 0  1  495

How to display multiple events per day in my php calendar code

My calendar works fine as written, but if I add another event on the same day, it only displays the first event recorded in the database. I need to be able to display multiple events on the same day. I'm trying to use for/next loops and while loops in my code to extract information from the database...

P粉950128819 2023-09-06 10:03:16 0  1  646

How to get openid after scanning the QR code image generated with PHP?

I used the PHP QR code generation class library to generate a QR code picture (not generated by the WeChat interface). I want to get the openid of a WeChat user after scanning the QR code. How can I implement this function? (I previously thought of using web page authorization to achieve this, but t...

LRTRL 2017-06-28 16:57:44 0  1  2013

Extract data from multiple input boxes using Jquery's foreach loop

I'm creating an order for a project. I'm using a Foreach loop to pull data from the database into a table I've created. However, when I multiply the quantity and unit price data, the code only works for the data in the first row of the table. How can I modify this code for all incoming loop data? Sh...

P粉278379495 2023-08-31 19:09:32 0  1  521

Display json type data in blade

Displaying json type data in blade I have a table in my database which stores data and one of the data is of json type, everything is going fine but when I want to display these json in blade the problem starts which is My json data type [![Enter image description here][1]][1] In my blade I use php ...

P粉064448449 2024-03-22 12:05:15 0  1  354

The rewritten title is: Using PHP buttons combined with jQuery and POST methods to get return values

I have a simple form to get usernames and would like to achieve the following: When the user clicks on a button, the button will be disabled to prevent multiple clicks (in real cases it may take a few seconds to process all the data, e.g. calling an API , write to database, etc.); after clicking, a ...

P粉738821035 2023-09-05 08:42:27 0  2  565

Ask the teacher about the weird problem of logging in

Sorry to cause trouble to the teacher, please ask the teacher: "I directly used the teacher's courseware code to test, but when I opened the login page for the first time every day, I successfully logged in and entered the page normally, but when I used logout() (or directly accessed the page t...

弹下弹下 2018-10-11 21:39:31 0  2  1297

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  829

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  729

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  619