JonAbrams

import Space from 'spaceace';

const space = new Space({
    appName: "SpaceAce demoe",
    user: { name: 'Jon', level: 9001 }
});

const newSpace = space({ appName: "SpaceAce demo" });

console.log(`Old app name: ${space.appName}, new app name: ${newSpace.appName}`);

JonAbrams

import React from 'react';
import { string } from 'prop-types';

class SegmentLoader extends React.Component {
  componentDidMount() {
    const { segmentWriteKey } = this.props;
    // Create a queue, but don't obliterate an existing one!
    const analytics = (window.analytics = window.analytics || []);
    // If the real analytics.js is already on the page return.
    // If no write key is provided return.

JonAbrams

invalid_user = User.find_each.find(&:invalid?)

JonAbrams

invalid_users = User.find_each.select { |user| user.invalid? }

# or

invalid_users = User.find_each.select(&:invalid?)

JonAbrams

User.where('last_seen < ?', 2.months.ago).find_each do |user|
  user.send_reminder!
end

JonAbrams

var oldIntl = window.Intl;
window.Intl = undefined;
var tzName = jstz.determine();
window.Intl = oldIntl;

JonAbrams

// Also works for normal methods
class User {
  constructor (first, last) {
    this.firstName = first;
    this.lastName = last;
  }
}

Object.defineProperty(User.prototype, 'name', {
  get: function () { 

JonAbrams

(function () {
  var ogJSONParse = JSON.parse;

  JSON.parse = function (text, reviver) {
    try {
      return ogJSONParse(text, reviver);
    } catch (err) {
      console.error('Failed to parse: ', text);
      console.error(err.stack);
      return {};

JonAbrams

### Keybase proof

I hereby claim:

  * I am JonAbrams on github.
  * I am jonabrams (https://keybase.io/jonabrams) on keybase.
  * I have a public key whose fingerprint is 85C9 3D40 9117 7873 F035  F412 DD07 CC1A 9A43 AED2

To claim this, I am signing this object:

JonAbrams

var Promise = require('bluebird'); // The best promise library out there
var request = require('request-promise'); // Scrapes the specified url, returns promise e.g. request(url)

var urls = process.argv.slice(2); // List of URLs to scrape

Promise.map(urls, request) // Returns an array of promises to the results of scraping the url
.each(console.log) // Call console.log on each resolved promise
.catch(console.error);