marciojrtorres

function dobro(n) {
  if (typeof(n) != "number") return 0; // se n não é um número retorne 0
  return n * 2;
}
document.write(dobro(2)); // ok, imprime 4
document.write(dobro("t")); // ok, "t" não é do tipo number, então imprime 0

fdaciuk

Github Two-Factor Authentication (2FA) for Brazil via SMS

The Github doesn't provide country code for Brazil (+55). To add this option, just run the code below in your console. The option Brazil +55 will be the first on the list, already selected:

---

🇧🇷 [pt-BR]

Autenticação em dois fatores (2FA) do GitHub para o Brasil via SMS

robertknight

Compile with:

webpack --config vendor.webpack.config.js
webpack --config app.webpack.config.js

Use with the following index.html

tomysmile

type below:

brew update
brew install redis

To have launchd start redis now and restart at login:

brew services start redis

sibelius

Basics

• Learn how to start a new react native project
• Run it on ios simulator, on android emulator, on a real iPhone device and on a real Android device, with and without debugging enabled.
• Learn how to upgrade a react native project
• Learn how to add a package to the project
• Learn how to add a package that has a native dependency (https://github.com/airbnb/react-native-maps, https://github.com/evollu/react-native-fcm) - DO NOT USE COCOAPODS
• Learn how to use fetch to get data from your backend

Learn Navigation

• (https://github.com/exponent/ex-navigation#an-important-note-about-the-future)

joshbuchea

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

hagemann

function slugify(string) {
  const a = 'àáâäæãåāăąçćčđďèéêëēėęěğǵḧîïíīįìıİłḿñńǹňôöòóœøōõőṕŕřßśšşșťțûüùúūǘůűųẃẍÿýžźż·/_,:;'
  const b = 'aaaaaaaaaacccddeeeeeeeegghiiiiiiiilmnnnnoooooooooprrsssssttuuuuuuuuuwxyyzzz------'
  const p = new RegExp(a.split('').join('|'), 'g')

  return string.toString().toLowerCase()
    .replace(/\s+/g, '-') // Replace spaces with -
    .replace(p, c => b.charAt(a.indexOf(c))) // Replace special characters
    .replace(/&/g, '-and-') // Replace & with 'and'
    .replace(/[^\w\-]+/g, '') // Remove all non-word characters

elijahmanor

import React, { Component } from "react";
import { render } from "react-dom";
import "./index.css";

class Widget extends Component {
  state = { text: "" };
  handleChange = (e) => {
    this.setState({ text: e.target.value });
  };
  render() {

melloc01

{"lastUpload":"2018-12-19T18:25:14.965Z","extensionVersion":"v3.2.4"}

sibelius

import * as React from 'react';
import { withRouter } from 'react-router-dom';

import { isLoggedIn } from '../../security/authentication';
import routeTo from '../utils/routeTo';

const authenticatedMiddleware = Component => {
  class AuthenticatedMiddleware extends React.PureComponent {
    componentDidMount() {
      this.redirectIfNotAuthenticated();