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Martin Gaido martingaido

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@martingaido
martingaido / countries.json
Created Jul 23, 2020
JSON file with countries of the world in english and spanish with intl. dial code and abbr.
View countries.json
[
{
"name_en": "Afghanistan",
"name_es": "Afganistan",
"dial_code": "+93",
"code": "AF"
},
{
"name_en": "Albania",
"name_es": "Albania",
@martingaido
martingaido / timezones.json
Last active Jul 23, 2020
JSON file with world time zones
View timezones.json
[
{
"id": 1,
"value": "Dateline Standard Time",
"abbr": "DST",
"offset": -12,
"isdst": false,
"text": "(UTC-12:00) International Date Line West",
"utc": [
"Etc/GMT+12"
@martingaido
martingaido / slack.sh
Created Jul 23, 2020
Script to send messages or alerts to Slack from console/terminal
View slack.sh
#!/usr/bin/env bash
# Installation:
#
# $ curl -s https://gist.githubusercontent.com/martingaido/85d78a4460b366a2f529abf804e09997/raw/f7a6d220b30c4c236f619da915c959802d93db2a/slack.sh --output /usr/bin/slack
# $ chmod +x /usr/bin/slack
#
# Usage:
#
# Send message to slack channel/user
@martingaido
martingaido / rmduparr.ts
Created Jul 30, 2020
Remove duplicate values from an iterable object using Set()
View rmduparr.ts
/* Remove duplicate values from an iterable object using Set()
x.add()
x.delete()
x.has()
x.clear()
x.size()
*/
const set_one = new Set()
@martingaido
martingaido / fibonacci.ts
Last active Jul 30, 2020
Function to create a Fibonacci sequence
View fibonacci.ts
/* Fibonacci Sequence */
const fibonacci = (result: number[], len: number) => {
let n1: number = result[0],
n2: number = result[1],
next: number,
cnt: number = 2;
while (cnt < len) {
next = n1 + n2;
@martingaido
martingaido / reversearr.ts
Created Aug 1, 2020
Different approaches to reverse an array
View reversearr.ts
/* Case #1 - Notice that this example also mutates the original array. */
console.time('Test 1');
const arrayOne = [1, 2, 3, 4];
const newArrayOne = arrayOne.reverse();
console.log(arrayOne); // [ 4, 3, 2, 1 ]
console.log(newArrayOne); // [ 4, 3, 2, 1 ]
console.timeEnd('Test 1');
@martingaido
martingaido / substrings.ts
Created Aug 1, 2020
Checking if String contains Substring
View substrings.ts
/* Checking if String contains Substring */
const word = 'sunny day in manhattan';
/* Old Way */
word.indexOf('sun') !== -1; // true
/* 🚀 ES6 Way */
word.includes('sun'); // true
@martingaido
martingaido / flattenArray.js
Created Aug 6, 2020
Flatten a two-dimensional and multi-dimensional array
View flattenArray.js
/* Flatter Arrays */
'use strict';
// Case 1 (two-dimensional array)
let array1 = [1, 2, [4, 5, 6], 8, [9, 10], 11];
let newArray1 = array1.flat();
console.log(newArray1);
@martingaido
martingaido / spreadOperator.js
Created Aug 7, 2020
Spread Operator in JavaScript
View spreadOperator.js
/* Spread Operator */
// Case 1
const temperatures = [25, 22, 10, 34, 28, 15];
console.log('Min Value: ', Math.min(...temperatures));
console.log('Max Value: ', Math.max(...temperatures));
// Case 2
const someNumbers = ['First Name', 'Last Name', 'Age', 'Gender'];
const [first, ...tail] = someNumbers;