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Javascript 2021-11-17 19:23:20
either function monad in javascript
class Monad { // pure :: a -> M a pure = () => { throw "pure method needs to be implemented" } // flatMap :: # M a -> (a -> M b) -> M b flatMap = (x) => { throw "flatMap method needs to be implemented" } ... Add solution -
Javascript 2021-11-17 12:20:20
how to get the next item in map() js
// The callback of map method accepts 3 arguments: // current item value; // current item index; // the array map was called upon. // So, you could use index to get next element value: var newArray = myArray.map(function(value, index, elements) { var... Add solution -
Java 2021-11-08 20:33:21
stream java example
the Stream API is used to process collections of objects. A stream is a sequence of objects that supports various methods which can be pipelined to produce the desired result. It is very similar to build().perform() method in Actions class. It is cha... Add solution -
Java 2021-10-29 04:03:12
using automapper without dependency injection
public static class MapperWrapper { private const string InvalidOperationMessage = "Mapper not initialized. Call Initialize with appropriate configuration. If you are trying to use mapper instances through a container or otherwise, make sure you... Add solution -
Javascript 2021-10-26 09:18:12
how to access array datat in class component react
import React, { Component } from 'react' import './TourList.scss'; import Tour from '../Tour/Tour'; import { tourData } from './tourData'; //impoert array of data export default class TourList extends Component { state={ tours:tourData // s... Add solution -
Javascript 2021-10-16 21:18:02
javascript create array of objects with key
You will be able to get the current iteration's index for the map method through its 2nd parameter. Example: const list = [ 'h', 'e', 'l', 'l', 'o']; list.map((currElement, index) => { console.log("The current iteration is: " + index); ... Add solution -
Other 2021-09-26 07:00:02
java streams
the Stream API is used to process collections of objects. A stream is a sequence of objects that supports various methods which can be pipelined to produce the desired result. It is very similar to build().perform() method in Actions class. It is cha... Add solution