Why is the reduction in this code throwing an error: I expected this code to make the value of avgs private for each thread in parallel and the ...

I found this tutorial https://www.digitalocean.com/community/tutorials/react-crud-context-hooks that describes how to build CRUD app with react hooks ...

Learning Python. I was learning reduce() and was playing with the initialization parameter. The code simply outputs a SHA256 hash of a list of strings ...

While solving online code exercises, I came across this one: Given a 1-dimensional array of numbers and the number of queries, where each query ha ...

I'm solving a problem 1822 from leetcode and I'm stuck with reduce() returning NaN. There is a function signFunc(x) that returns: 1 if x is posi ...

The main problem is that developers can add anything they want to standard form reducers state, it isn't static. This leads to a state that is more di ...

Here's an MDN example of Array.prototype.reduce() I'm not quite understand: What does allNames[name] mean in here? is this a array [attribute] synt ...

I have this list of countries: countries = ['Estonia', 'Finland', 'Sweden', 'Denmark', 'Norway', 'Iceland'] I need to resolve following exersice: Us ...

I have the following object: I want it grouped like the following: I have tried multiple different methods. I scoured the net for a similar thre ...

I am trying to write a function that gets an array of dates (potentially unsorted, date_array) as input and determines the number of consecutive days ...

I have the following form set-up: And I've made a custom validator. I need the user to have added at least 1 item to 1 of the 3 arrays. But I'm a ...

I'm having some problems with returning a set of data. The data comes in a form of TourStation > Station > TourStation > Station > TourSt ...

I'm currently learning about the reduce method in JS, and while I have a basic understanding of it, more complex code completely throws me off. I can' ...

I have this code in typescript: It works fine, the issue is that everytime i add an action i need to write a propertie field on eachreturnfield of ...

help me solve my problem I want to bring out this format: i'm use sequelize, I don't understand how I can correctly output json see my code below. ...

I have an array like so in order of date. PLEASE NOTE that the category and total are FIXED. However the key VALUE series variable can be anything!! ...

I have a function that Bulk find and replaces regexes that I repeatedly use. From here. Bulk find-and-replace regexs in Google Sheets But it only wo ...

I have the following code to define a React Reducer function: However I'm getting TS2322 Type A is not assignable to type B error on line const arr ...

My array is like this: const myArray = [{ date: "2017-01-01", Name: "test1" }, { date: "2017-01-02", Name: "test2" }, { d ...

My Items keep on duplicating on shopping cart and I cant seems to figure out. Hope to get some guidance here and would be a great help for my project! ...