Product specification sheet design

I would like to ask the masters: I want to design a product-related table now, which involves multiple specifications and multi-specification values. How should I design the table and how many tables should I have?

A峰 2019-12-06 18:34:33 0  2  1438

php - How should the title table and points rule table be designed?

For example, the first-level title ['Skilled Craftsman'] needs to reach the merit value XX, and the second-level title ['Skilled Worker'] needs to reach the merit value XX... After the fifth level, each time you advance to one level, you need 5 times the merit of the previous level [rules] Table] Ho...

迷茫 2017-05-19 10:07:32 0  1  674

mysql - database table structure design

Describe the requirements: Now we need to design the database table structure. There are many types of rules. How to design tables to store these rules. Each rule has common attributes and different attributes. Currently, I think of two methods: the first is through foreign keys (common attributes o...

習慣沉默 2017-06-30 09:55:23 0  3  1027

Is there a Symfony-compatible way to remove all twig tags from a string?

I have a Symfony validation constraint that removes all Twig tags with a regex before counting the number of characters and validating against the character length limit. (My form allows people to enter a limited subset of Twig tags into a field.) So it does this: $parsedLength=mb_strlen(preg_replac...

P粉043470158 2024-03-22 00:03:19 0  2  336

JS/VueJS implementation of determining the currently visible top and bottom rows in an HTML table

I have a standard HTML table with a thead and a tbody, the number of rows in the tbody can be any number as it depends on the size of the array. The table has a maximum height so it can be scrolled. As the table scrolls, I want to be able to calculate the newly displayed top and bottom rows. Also, I...

P粉103739566 2023-09-10 19:23:08 0  1  503

Logic problem, I can't wrap my head around it

A person has 100,000 yuan and needs to pay a toll every time he crosses an intersection. The rules are: 1. When the cash is > 50,000, he pays 5% each time. 2. When the cash is < 50,000, he pays 5,000 each time. Answer: Calculate how many times the person can pass through secondary intersection

HUNT 2017-08-08 12:53:03 1  4  1253

Rmd file weaves to md but cannot convert to HTML

Rand's operation was recently disconnected. Rmdfile. I opened the .md file without errors and the graphs and tables were generated on my computer, but the .md file was never converted to HTML.

P粉831310404 2023-08-01 18:23:35 0  1  526

javascript - Function to count the number of words?

Numbers, letters, and space symbols represent one digit, and Chinese characters represent two digits. How to write a function to calculate the number of digits?

阿神 2017-05-19 10:13:45 0  2  788

Use regular expressions to replace text with HTML tags starting with a certain character.

I need to convert text to HTML tags like this: input:p1:Question1 output:Question1 or input:question1:¿ question1? Output: ¿ question1? The problem I have is that I have the following regular expression rule: ([a-zA-Z])([1-9])(:)+(.*)? But my result is: Question1 question1:¿ question1? In the first ...

P粉438918323 2023-07-27 14:06:49 0  1  387

I'm trying to learn JavaScript and trying to calculate the average of sulfur and carbon in user input text

Please refer to the HTML table below to understand the question. I've created a table and I've numbered my text boxes for clarity. I'm trying to calculate the average of text input 1 (% sulfur) and text input 2 (% sulfur) and display the result in a read-only text input 5 (average sulfur). This is f...

P粉323374878 2023-09-03 14:05:56 0  1  504

.htaccess does not recognize numbers in regular expressions, please rewrite

I've written a rewrite rule in the .htaccess file that will replace any spaces in the URL with . (dot). It works fine unless there are numbers in the URL. RewriteRule^([^\s%20]*)(?:\s|%20)+(.*)$$1.$2[N,E=NOSPACE:1,DPI]Any help is greatly appreciated /search/testtest= Using the above regex works/sear...

P粉651109397 2024-01-16 17:48:10 0  1  448

Word counting in HTML using regular expressions

This is the same problem as this. But since I'm not using javascript, "innerText" is not a solution for me and I want to know if a regex can combine /(<.*?>)/g and >/\S+/g without going through a bunch of characters String operations can be used to obtain the actual number of word...

P粉153503989 2024-04-01 22:44:06 0  1  495

Design an HTML table based on the provided image

I need to make an html table based on the table structure in the picture above. I tried many ways but I can't do it. Please help me create Html table.

P粉536909186 2023-09-14 21:34:49 0  1  426

How to get the highest value, lowest value and average value in mysql in php

There are two fields in database table A, one is the category, and the other is the price. How to calculate the highest value, lowest value, and average price of No. 11 in the category in PHP? One category corresponds to N pieces of price data, such as 11, 1002, 12011, 10111, 10111, 5511, 995, 882, ...

给我你的怀抱 2017-05-18 10:51:53 0  3  806

Using regex to replace HTML in div and add spacing

Hi, I would like help creating a regex that replaces all html tags, but when the end div and the start div are next to each other, it adds a space, like this <b>is</b><div>a< /div><div>test</div> this is a test my current regex is /(<([^>]+)>)/ig it will ...

P粉043432210 2024-04-02 11:28:02 0  1  484

How to right-align images in HTML tables

I've made a Django website and want to display my results like a little form at the top. There is a table on the left and I want to add two pictures and another column to the table on the right. I have designed a diagram to explain better - enter image description here Now I have written the code fo...

P粉555696738 2023-09-02 09:04:11 0  1  601

How to populate an HTML table from a design-generated database table

Very new to Ruby on Rails and design. I'm currently trying to fill out a table on an HTML page that should list all the records from the Student table in my database (MYSQL). <tbody><%forstudentin@students%><tr><td><%=student.email%></td></tr><%end%>&l...

P粉521697419 2024-04-05 09:13:39 0  1  2560

Why does my contact form work in Brave but not in other browsers?

My form works in Brave on my computer, but not in Safari or Google on my computer. It also doesn't work on mobile devices. If it doesn't work, it returns a POST409 error. This is my html code. <divclass="row"><divclass="col-md-12col-sm-12"id="result"></

P粉360266095 2024-02-21 18:28:10 0  1  398

Get the calculated value of a CSS variable using a calc-like expression

In JavaScript, you can get the value of a CSS variable using getPropertyValue(property). This function is useful for retrieving variables declared in :root blocks. :root{--example-var:50px;} However, if this variable expression contains a calc-like function, the getPropertyValue call will return the...

P粉111627787 2023-10-25 09:39:36 1  2  1014