danlourenco

var promise = new Promise(function(resolve, reject) {
  // do a thing, possibly async, then…

  if (/* everything turned out fine */) {
    resolve("Stuff worked!");
  }
  else {
    reject(Error("It broke"));
  }
});

danlourenco

import Ember from 'ember';

// @see http://emberjs.jsbin.com/beboga/edit?js,output

export default function dynamicAlias(target, keyKey) {
  var prefix = target ? `${target}.` : '';
  var dynamicAliasKey = `${prefix}${keyKey}_alias`;
  return Ember.computed(function() {
    var key = `${prefix}${this.get(keyKey)}`;
    Ember.defineProperty(this, dynamicAliasKey, Ember.computed.alias(key));

danlourenco

import Ember from 'ember';

export default Ember.Component.extend({
  classNames: ['ember-component']
});

danlourenco

function fibonacci(n) {
	if (n <= 2) { // base case
		return 1;
	}
	else {
		return fibonacci(n - 1) + fibonacci(n - 2);
	}
}

fibonacci(8) // 21

danlourenco

function mergeSort(arr) {
	//base case 
	if (arr.length < 2) return arr;
	var halfLength = Math.ceil(arr.length / 2);
	var leftSide = arr.splice(0, halfLength);
	var rightSide = arr; // just to keep mental model simple
	
	return _stitch(mergeSort(leftSide), mergeSort(rightSide));
}

danlourenco

How to Add a DynamoDB Role to your Lambda Function

Step 1: Role Summary

1. 

2. 

3. 

danlourenco

const options = {
  method: 'POST',
    url: 'https://my.url.com/endpoint',

    body: {
      username: 'my_username'
      password: 'my_password'
      ...
    }

danlourenco

Cypress.Commands.add('login', (overrides = {}) => {
  Cypress.log({
    name: 'loginViaAuth0',
  });

  const options = {
    method: 'POST',
    url: Cypress.env('auth_url'),
    body: {
      grant_type: 'password',

danlourenco

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "PublicReadGetObject",
            "Effect": "Allow",
            "Principal": "*",
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::bucket-name-here/*"
        }

danlourenco

const myObject = {
  a: 1,
  b: 2,
  c: 3
};
const { a, ...noA } = myObject;

console.log(noA); // => { b: 2, c: 3 }