I hope I phrased this question clearly. I have a small recipe app, for the recipe method I want to dynamically add Step 1, Step 2, Step 3 etc. for each step that is passed through via props. The recipe’s steps are passed through as an array of objects: recipeMethod: Array(2) 0: {step_instructions: ‘Boil Water’}… Read More Increment number for every instance of an element in React
estoy tratando de descifrar como armar esta base datos, tengo la siguiente informació pero tengo dudas de donde colocar las claves foraneas ya que el esquema no está tan claro, agradeceria si me pudiesen dar una mano. Sobre todo en la relacion "one or many to one or many" con pregunta y etiqueta, un saludo.… Read More Duda base de datos MySql
I have the following list and use LinkedHashMap and I want to increase the value of the key by 1 (if the key is not present in the map, it starts from 0 and I add +1): int nums[] = new int[]{4, 10, 5, 4, 2, 10}; Map<Integer, Integer> map = new LinkedHashMap<>(); for (int… Read More How to increase HashMap value using merge method in Java?
I’m creating a clone for a website where parents can create a list of things they need for their newborn baby so other people can buy it for them as a gift. At this moment I’ve managed to insert data into my table and to link that row of data to the user id (so… Read More LARAVEL: Display lists that belongs to a specific user_id
I have a shopping cart view cart list count and this document <div class="input-group input-number-group"> <div class="input-group-button" onclick="decrement_cart(this)"> <span class="input-number-decrement">-</span> </div> <input class="input-number text-center" type="number" value="{{ $detail[‘product_quantity’] }}" min="0" max="1000"> <div class="input-group-button" onclick="increment_cart(this)"> <span class="input-number-increment">+</span> </div> </div> and I want to change the middle input value by clicking on increment/decrement div. note: I can not… Read More javascript or jquery find nextSibling
I made a firestore database that looks like this. I’m trying to make "stocks : 999" value change, so that it can be 998, 997, etc… So I followed given instructions on firebase documentation (https://firebase.google.com/docs/firestore/manage-data/add-data#web-version-9_8), but I bump into an error when trying to make it work. const [stock, SetStock] = useState([]); const toUpdate =… Read More Uncaught (in promise) FirebaseError: No document to update
I have 2 tables: genres_table: bands_table: genre_id | genre_name band_id | genre_id | band_name 1 | Rock 1 | 8 | Blink 182 3 | Jazz 3 | 1 | Foo Fighters 8 | Punk 4 | 1 | RHCP Genre_id is a foreign key in bands_table taken from genre_id in genres_table. I would like… Read More How to insert name filed in the query, but to the table to pass the corresponding id of that name
I have the most basic explicit Many-to-Many relation: model Category { id Int @id @default(autoincrement()) title String @db.VarChar(24) posts PostCategory[] } model Post { id Int @id @default(autoincrement()) title String @db.VarChar(24) categories PostCategory[] } model PostCategory { category Category @relation(fields: [categoryId], references: [id]) categoryId Int post Post @relation(fields: [postId], references: [id]) postId Int @@id([categoryId, postId])… Read More Prisma – create Post with N amount of Categories (explicit Many-to-Many)
Hello i want to ask how to loop through each element and increment every time by one this is what i want first i want to sum 0 , 1, 3 ,6 , 10 and after that sum can somebody help me about that i don’t know how to tell if it is loop through… Read More how to loop through each element in list and increment by one
I’am trying to understand react’s behaviour throught nextjs. I have an index.js page with one component Homecard displayed three times and one button that increment a value. Each time I click on button all Homecard components are re-render. index.js import { Homecard } from ‘../components/Homecard’ import { useState } from ‘react’ export default function Home()… Read More Avoid unnecessary component rendering with memo in nextjs