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  1563

javascript - Why does import module syntax like import 'zone.js' work properly?

According to the specification, it should be in the form, {code...}

巴扎黑 2017-05-19 10:42:29 0  2  606

javascript - Where can I find the documentation for this type of annotation?

{Code...} What type of comment is this? Where can I find the specification document?

代言 2017-06-28 09:26:55 0  1  781

docker-compose health check passes, but still unhealthy

The condition compose specification was removed in versions 3.0 to 3.8, but now it's back! With v3.9 of the compose specification, you can use condition as an option in the long syntax form of depends_on. I use dockercompose to start MySQL and JavaWeb projects. The startup of JavaWeb needs to rely o...

P粉596161915 2024-02-26 10:58:41 0  2  454

Violation of Content Security Policy directive: Inline script does not comply with the "script-src 'self'" specification

I use react-create-app to build my Chrome extension. When I use npmrunbuild in react-create-app, I encounter the following error: Execution of inline script is denied because it violates the following Content Security Policy directive: "script-src 'self'". To enable inline execution, use t...

P粉276064178 2023-08-15 14:48:52 0  1  622

The entity warehouse extends JpaRepository<Entity, Id> and JpaSpecificationExecutor<Entity>, and EntitySpec extends Specification<Entity>

This is my endpoint http://localhost:8080/country/all replies are ok for all countries and when I want to filter them it returns country not found which is empty and returns exception thrownewRecordNotFoundException("Invalid request, no data returned"); in my There is a record in the datab...

P粉653045807 2024-04-06 17:11:03 0  1  1070

Please advise on PHP class library loading rules

I have a question to ask. . My project loads classes purely through a custom namespace. Then I will introduce a third-party class library. This class library is loaded according to the PSR-4 specification. In this case. Without changing my original loading rules, how can I reference this section in ...

过去多啦不再A梦 2017-05-27 17:43:28 0  3  670

php - Regarding whether the API uses HTTP status codes or returns all 200

The current project API wants to use restful style, and the current API interface return specification: all successful interfaces return {status:200,msg:'',data:{}}, and error interfaces return {status:403,msg:'', data:{}}, that is, there are only two statuses: 200 and 403. I feel something is not r...

我想大声告诉你 2017-05-16 13:03:19 0  6  962

php - Does anyone know of any open source projects based on the tp5 framework developed with restful specifications?

As the title states, recently the company is developing a RESTful specification project based on TP5, but it always feels a little awkward when doing it, so I would like to refer to open source projects developed according to RESTful specifications, preferably with the TP5 framework. . . . Has anyon...

曾经蜡笔没有小新 2017-05-16 13:03:58 0  2  522

Difference between ES6 and Promise/A+ specifications

The main difference is that the then method is easier to read. However, the es6 specification has never understood the then aspect. It seems that the return value of the callback function is not classified. This is just one of the doubts. Is there any pioneer who can explain the comprehensive differ...

为情所困 2017-05-19 10:36:39 0  1  657

What does it mean for a CSS element edge to be "outside" the scroll box edge?

What is the correct way to interpret the following specification? "If element edge A and element edge B are both outside the scroll box edge A and scroll box edge B, do nothing." Source: https://drafts.csswg.org/cssom-view/#dom -scrollologicalposition-nearest:~:text=If%20element%20edge%20A...

P粉763748806 2024-01-16 23:45:09 0  1  587

Reworded title: Calculating the experience an employee accumulates across multiple jobs

I have a table called employeeexperience with columns id, userId, startDate and endDate. I want to calculate employee's work experience. Can anyone help provide code for mysql query or JPA specification? For example, for the following data: id user id start date end date 112021-01-012022-01-01222019...

P粉212971745 2023-09-04 21:03:55 0  1  556

Should one avoid declaring functions within functions (except for intentional closures)?

{Code...} The function test is declared each time it is clicked, and then the click callback is executed and GCed. If the dom is clicked more than once, then each click callback has one more function declaration. I remember that it is not in the jshint specification. Allow function declarations to b...

迷茫 2017-05-19 10:23:40 0  3  614

javascript - How to implement, after clicking on the picture on the web page, the picture is selected and the check mark is displayed

First, post this is the HTML {code...} of the photo album. Some explanations: In the above code, &lt;ul&gt; (id is imgdata) is the specification of the front-end framework and can be ignored. &lt;volist&gt; is used for output by the backend and can also be ignored. {$imgdata.name} is...

大家讲道理 2017-05-16 13:03:40 0  5  1397

Laravel 9 Eloquent model - retained column names in model

I have a postgres database with a table with a column called "attributes". The attribute columns are of jsonb type, so I use the Eloquent cast: protected$casts=['attributes'=>AsArrayObject::class,]; which seems to cause problems since the "attributes" are already Eloquent mode...

P粉309989673 2023-09-03 14:36:02 0  1  668

How to use PHP to transmit data to remote via http url. Thanks.

There is now a project where Party A has given an http interface as follows: 1. Provides interface http access url, unified character encoding: UTF-8. 2. HTTP interface request content-Type="application/json". 3. The interface requests the interface url through http post and sends a body t...

odyssey**** 2017-12-01 16:41:34 0  3  1437

[Must-read for front-end job hunting] Selected front-end development interview questions and answers_HTML

What is the role of HTMLDoctype? How to distinguish between strict mode and mixed mode? What do they mean? (1) The <!DOCTYPE> declaration is located at the very beginning of the document, before the <html> tag. Tells the browser's parser what document type specification to use to parse t...

天蓬老师 2017-11-13 13:01:44 0  0  1331

Are parameters passed in JavaScript by value or by reference?

Primitive types (numbers, strings, etc.) are passed by value, but objects are unknown since they can either be passed by value (in which case we think the variable holding the object is actually a reference to the object), It is also possible to pass by reference (in which case we consider the varia...

P粉394812277 2023-08-21 15:57:16 0  1  651

Is JavaScript a pass-by-reference or pass-by-value language?

Primitive types (numbers, strings, etc.) are passed by value, but objects are unknown, since they can all be passed by value (in which case we think the variable holding the object is actually a reference) and pass-by-reference (when we think of an object's variables as holding the object itself). A...

P粉450744515 2023-08-23 18:58:12 0  1  586

Is JavaScript a language that uses pass-by-reference or pass-by-value?

Primitive types (numbers, strings, etc.) are passed by value, but objects are unknown since they can all be passed by value (in this case, the variable we think holds the object is actually a reference to the object) and pass-by-reference (when we think of an object's variables as holding the object...

P粉002546490 2023-10-11 17:50:30 0  1  808