gm50x

/**
 * Demonstrating Imprecision
 */

let n = 1.22

while (n && n > 0) {
    let m = n;
    n = n - 0.01
    console.log(`${m} - ${0.01} = ${n}`)

gm50x

/**
 * PROBLEM: Change
 * You are writing a change calculating algorithm that will
 * determine the proper change with the smallest possible amount
 * of coins and bills.
 * For the problem, consider you have:
 * - Bills: 100, 50, 20, 10, 5 and 2
 * - Coins: 1, 0.5, 0.25, 0.10, 0.05 and 0.01
 * 
 * Enough talk... Get coding!

gm50x

/**
 * Demonstrates Imprecision in C# floats running on top of .NET Core 3.1
 **/
using System;
					
public class Program
{
	public static void Main()
	{
		float n = 1.00f;

gm50x

const wordPlural = (word, amount) => {
    word = word.toLowerCase()
    if (amount === 1) {
        return word
    }

    return pluralize(word)
}

const pluralize = word => {

gm50x

// Function to create the enums
const getEnum = (obj) => {
    const EEnum = {}

    if (Array.isArray(obj)) {
        obj.forEach((enumerator, i) => EEnum[enumerator] = i)
    } else {
        Object.getOwnPropertyNames(obj)
            .forEach(property => {
                EEnum[property] = obj[property]

gm50x

/************************************************************
 *                                                          *
 * ObservablesOne                                           *
 * Simples example of playing with rxjs-observables         *
 *                                                          *
 * reqruiements: npm install rxjs                           *
 *                                                          *
 ************************************************************/

gm50x

FROM node:lts-alpine3.12 AS build
WORKDIR /usr/src/app
COPY package*.json ./
RUN npm install
COPY . .
RUN npm run build

FROM node:lts-alpine3.12 AS runtime
ARG NODE_ENV=production
ENV NODE_ENV=${NODE_ENV}

gm50x

/***************************************************
 * Getúlio Magela Silva (gm50x)
 * 
 * Running Instructions:
 * node async-iterators {for-each|for-of|map}
 * 
 * Reference Material (NOT MINE):
 * https://zellwk.com/blog/async-await-in-loops/
 ***************************************************/

gm50x

const { promisify } = require("util");

const getCustomerInfo = (callback) => {
  setTimeout(
    () => callback(null, { name: "John Doe", birthdate: "1967-04-14" }),
    1000
  );
};
const getCustomerInfoAsync = promisify(getCustomerInfo);

gm50x

const http = require('http')

const baseApiUrl = 'http://jsonplaceholder.typicode.com'

// using error-back pattern --> or anti-pattern :)
const fetchDataWithPromise = () => {
    return new Promise((resolve, reject) => {

        http.get(`${baseApiUrl}/posts`, res => {
            let rawData = '';