tejzpr

class Node {
  constructor(data) {
    this.data = data;
    this.left = null;
    this.right = null;
    this.inorderOut = [];
    this.preorderOut = [];
    this.postorderOut = [];
  }
  insert(data) {

tejzpr

String.prototype.strstr = function(needle) {
    const haystack = this;
    if(!needle) return [0];
    if(!haystack || needle.length > haystack.length) return [-1];

    let i,j;
    let positions = [];
    for(i=0;i<haystack.length;i++) {
        let index = i;
        j=0;

tejzpr

// JavaScript (ES6) port of the code at https://gist.github.com/bhelx/778542 
// Also handles leading 0's in strings 

const BASE = 62;
const UPPERCASE_OFFSET = 55;
const LOWERCASE_OFFSET = 61;
const DIGIT_OFFSET = 48;

class Base62{
    constructor() {

tejzpr

//Fastest way to copy a Collection in MongoDB
db.getCollection('OriginalCollection').aggregate([ { $out: "ClonedCollection" } ]);