erockdotdev

Writing YAML

YAML is a superset of JSON

The basic structure of YAML is a hash map -

hash map

key: value

erockdotdev

### Keybase proof

I hereby claim:

  * I am erockdotdev on github.
  * I am erockdanger (https://keybase.io/erockdanger) on keybase.
  * I have a public key ASA7LSOzhJwsKz1RHmLpvkp4mLkrfS0Vwb0jfXJX3V1bbwo

To claim this, I am signing this object:

erockdotdev

// Given 2 positive integers find out if the 2 numbers have the same frequency of digits

function numberToArrStr(num){
    return num.toString().split('');
};

function incrementFrequency(obj){
    return function(n){
        obj[n] = ++obj[n] || 1
    };

erockdotdev

Executing Shell Commands with Node.js
https://stackabuse.com/executing-shell-commands-with-node-js/

Configuring automatic backups for Contentful
https://www.contentful.com/blog/2019/05/15/configuring-automatic-backups-for-contentful/

erockdotdev

VS code change es-lint settings 

https://bit.ly/3g6Lwde
CTRL + SHIFT + P, type workspace settings (JSON) and press ENTER. 


Slice vs Splice
const numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9];

slice // immutable ( does not mutate original array ) 

erockdotdev

Add new heroku remote ( if you rename an app in heroku run this step before renaming remotes)
heroku git:remote -a [app name].

Add remote with name
heroku git:remote -a [app name] -r [remote] 
exmaple: heroku git:remote -a erock-dot-dev-staging -r staging

Remove heroku remote
git remote rm [remote name]

erockdotdev

function outterFunction() {
  let score = 0;
  return function innerFunctio() {
    if (score === 0) {
      console.log("you have no points");
    } else {
      console.log(`you have ${score} points`);
    }
    score += 1;
  };

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const person = {
  firstName: "Eric",
  lastName: "Sanchez",
  get fullName() {
    return `${this.firstName} ${this.lastName}`;
  },
  set fullName(name) {
    const updateName = name.split(" ");
    this.firstName = updateName[0];
    this.lastName = updateName[1];

erockdotdev

class Company {
  constructor(brand){
    this.brandName = brand;
  }
  get name() {
    return this.brandName
  }
  set name(brand) {
    this.brandName = brand;
  }

erockdotdev

import React, { useState, useEffect } from "react";

function App() {
  // implied setState in second param
  const [buttonText, setButtonText] = useState("What is This?");

  const [input, updateInput] = useState("placeholder");

  const [swapiData, setData] = useState();