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// In your component, add this var and functions:

 let columnBeingDragged = null;

  const onDragStart = e => {
    columnBeingDragged = e.target.dataset.columnIndex;
  };

  const onDrop = e => {
    e.preventDefault();

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git branch -D $(git branch | grep -v master)

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// Scene

const container = document.querySelector('#scene-container');
var scene = new THREE.Scene();
scene.background = new THREE.Color('blue');
//scene.add(stuff)

// Renderer
const renderer = new THREE.WebGLRenderer({alpha: true});
renderer.setSize(container.clientWidth, container.clientHeight);

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import React from 'react';
import PropTypes from 'prop-types';
import CarouselButton from './CarouselButton';

const Carousel = ({ children }) => {
  const scroll = direction => {
    const carousel = document.querySelector('#carousel');
    const step = 30; // scrolling by 30px

    carousel.scrollTop =

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docker build -t name -t TAG builds image from dockerfile docker run -v pwd/app:/app -p 3000:3000 -it -d ana/name docker ps docker exec -it /bin/bash

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let a = [{grape: 1}, {orange: 2}, {peach: 3}];
let b = {};

// turn b into {grape: 1, orange:2, peach: 3}
a.forEach((el, i) => {
	b[Object.keys(a[i])] = el[Object.keys(el)[0]]
})

// using object destructuring syntax
let [{grape}, {orange}, {peach}] = a;

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function solution(A) {
    // write your code in JavaScript (Node.js 8.9.4)
    let sortedA = A.sort();
    
    for (let i = 0; i < sortedA.length; i++) {
        console.log(sortedA.indexOf(sortedA[i] + 1))
        if (sortedA.indexOf(sortedA[i] + 1) === -1) {
            return sortedA[i] + 1;
        }
    }

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var path = require("path");

module.exports = {
  entry: "./main.js",
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "bundle.js",
    publicPath: "/dist"
  },
  module: {

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function elementIsVisible(el) {
    var docViewTop = $(window).scrollTop();
    var docViewBottom = docViewTop + $(window).height();

    var elTop = $(el).offset().top;
    var elBottom = elTop + $(el).height();
    return ((elBottom - $(el).height() <= docViewBottom)
        && (elTop + $(el).height() >= docViewTop));
}

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.myDiv {
  border: 2px solid beige;
  border-image: linear-gradient(to top, beige 95%, rgba(0,0,0,0) 95%); /* Change direction, color and height accordingly */
  border-image-slice: 1;
}