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Tag: javascript

Async/await in Nodejs + Mongoose

I’m new to Promises and async/await programming and I am not sure I am getting it straight. I am creating an API in Nodejs, with Express, Mongoose and MongoDB. I have seen a lot of tutorials on how to deal with asynchronicity but all of them are about NodeJs projects where the routing and the DB query are in the

SQLSTATE[23000]: Integrity constraint violation: 1048 laravel 5.7

I am getting error in Laravel 5.7: IlluminateDatabaseQueryException SQLSTATE[23000]: Integrity constraint violation: 1048 Column ‘name’ cannot be null (SQL: insert into stores (name, matric, phone, email, password, updated_at, created_at) values (?, ?, ?, ?, ?, 2019-10-01 16:29:49, 2019-10-01 16:29:49)) This is my form: This is UserController: This is the Migration: Answer You are missing name attribute in your html form.

HTML5 input type Color read single RGB values

With this code on browser many field are available by the user, it can change R,G,B, HEX VALUE, HUE ecc. I need to read only the Red value. I’ve read this document but cannot figure how to get the single R value from the input. https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Input/color Answer Since you already have hexadecimal from node.value property, you just have to convert

Scroll to selected list item in material-ui

I have a list, build with material-ui. There are a lot of items in it, so scrollbar is visible. What I would like to do is scroll to the selected item. Have any ideas of how to implement this? Here is a demo sendbox link After click on the item list should looks like this (selected item is in the

How can I chain animations in anime.js?

Is there any way to chain animations in anime.js or have queues / groups of animations that I can wait for in order to proceed with other animations? Answer Each animation with anime returns a promise, so you can use async/await in combination with Promise.all, do remember, though, Promise.all makes it so that all animations run concurrently. For example, let’s

Organizing React routes into separate components

I’m trying to find a way to organize my routes to assist the dev who might be taking over my work in the future. I thought of separating my <Route /> entries into separate components and then just load those into a main component similar to how users are assigned groups. The issue is that when using more than one

Return nested object with recursion – Javascript

I have an object with nested object: I need to return all key: value of list and I must use recursion. I have tried to push the nested object to the local variable in the function, but it fails in the second iteration because the names are different. Here is the function: Is there a way to solve it with

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