João Martins jdgo-mars

jdgo-mars / sumExists.js

Created February 28, 2019 09:16

	function existsSum(arr, n, lIndex = 0, hIndex = null, iter = 0) {
	const low = arr[lIndex];
	const high = arr[hIndex \|\| arr.length - 1];
	const predicate = low + high;
	if (iter === arr.length - 1) return false;
	if (predicate === n) {
	return true;
	}
	if (predicate < n) {
	// increment lower index

jdgo-mars / wrapAsync.js

Created March 8, 2019 07:05

	// Wrap an async function so we catch any errors that might occur
	const wrapAsync = handler => (req, res) =>
	handler(req, res)
	.then(result => res.json(result))
	.catch(error => res.status(500).json({ error: error.message }))

jdgo-mars / pubSubImpl.js

Created March 10, 2019 06:59

	const t = (function () {
	var _listeners = {};
	/**
	* Compare with a new listener handler
	* to make sure we are not adding the same handler
	* @param String EventType
	* @param Function Callback
	* @returns Boolean true if exists false if not
	*/
	var _existsHandler = function (eventType, cb) {

jdgo-mars / ExistsSumRecursive.js

Created March 10, 2019 07:08

	function existsSum(arr, n, lIndex = 0, hIndex = null, iter = 0) {
	const low = arr[lIndex];
	const high = arr[hIndex \|\| arr.length - 1];
	const predicate = low + high;
	if(iter === arr.length - 1 ) return false;
	if(predicate === n) return true;
	if(predicate < n) {
	// increment lower index
	return existsSum(arr, n, lIndex + 1, hIndex, iter + 1);
	} else {

jdgo-mars / useUserReducer.ts

Created April 15, 2019 18:18 — forked from schettino/useUserReducer.ts

Better Reducers with React and Typescript 3.4

	import { useReducer } from 'react'

	export function updateName(name: string) {
	return <const>{
	type: 'UPDATE_NAME',
	name
	}
	}

	export function addPoints(points: number) {

jdgo-mars / binarySearchTree.js

Created April 21, 2019 15:28

	function BinarySearchTree(val) {
	this.value = val;
	this.left = null;
	this.right = null;
	}

	BinarySearchTree.prototype.insert = function(value) {
	let subtree = value < this.value ? 'left' : 'right';
	if (this[subtree]) {
	this[subtree].insert(value);

jdgo-mars / LinkedList.js

Created April 21, 2019 15:30

jdgo-mars / index.html

Last active October 3, 2019 12:55

	<!DOCTYPE html>
	<!--
	*
	* Copyright (C) 2016, bitmovin GmbH, All Rights Reserved
	*
	* This source code and its use and distribution, is subject to the terms
	* and conditions of the applicable license agreement.
	*
	-->
	<html lang="en">

jdgo-mars / guessing_game.ex

Created November 29, 2019 19:40

Alchemist Camp

	defmodule GuessingGame do
	def guess(a, b) when a > b, do: guess(b, a)

	def guess(low, high) do
	answer = IO.gets("Maybe you thinking of #{mid(low, high)}? ")

	case String.trim(answer) do
	"bigger" ->
	bigger(low, high)

jdgo-mars / wrappers.js

Created June 18, 2020 12:18