a-h

import React from 'react';
import { shallow } from 'enzyme';

const Item = text => <p>Item {text}</p>;

const Composition = ({ showB }) => (
  <p>
    <Item text="A" />
    {showB && <Item text="B" />}
  </p>);

andrewmunro

{
    "presets": ["es2015"],
    "plugins": [
        "add-module-exports"
    ],
}

primaryobjects

syafiqfaiz

1. Change your database RDS instance security group to allow your machine to access it.
   • Add your ip to the security group to acces the instance via Postgres.
2. Make a copy of the database using pg_dump
   • $ pg_dump -h <public dns> -U <my username> -f <name of dump file .sql> <name of my database>
   • you will be asked for postgressql password.
   • a dump file(.sql) will be created
3. Restore that dump file to your local database.
   • but you might need to drop the database and create it first
   • $ psql -U <postgresql username> -d <database name> -f <dump file that you want to restore>

• the database is restored

dasgoll

I tried to delete a cluster:
	"The Cluster cannot be deleted while Services are active."
I tried to delete the service called 'nginx':
	"The service cannot be stopped while the primary deployment is scaled above 0"

	Select service, click 'Update' - set 'Number of tasks' to 0
	This changed the number of 'Desired Tasks' to 0

Or I guess:
aws ecs update-service --service nginx --desired-count 0 --cluster ecscluster1 --profile devops

gaearon

function mapValues(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    result[key] = fn(obj[key], key);
    return result;
  }, {});
}

function pick(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    if (fn(obj[key])) {

michaelgmcd

var React = require('react');
var ExecutionEnvironment = require('react/lib/ExecutionEnvironment');
var cx = require('classnames');

var Nav = React.createClass({
  componentDidMount: function() {
    if (ExecutionEnvironment.canUseDOM) {
      window.addEventListener('scroll', this.handleScroll, false);
    }
  },

koistya

import React from 'react';

let lastScrollY = 0;
let ticking = false;

class App extends React.Component {
  componentDidMount() {
    window.addEventListener('scroll', this.handleScroll, true);
  }

izazueta

Google Docs Viewer

Only files under 25 MB can be previewed with the Google Drive viewer.

Google Drive viewer helps you preview over 16 different file types, listed below:

• Image files (.JPEG, .PNG, .GIF, .TIFF, .BMP)
• Video files (WebM, .MPEG4, .3GPP, .MOV, .AVI, .MPEGPS, .WMV, .FLV)
• Text files (.TXT)
• Markup/Code (.CSS, .HTML, .PHP, .C, .CPP, .H, .HPP, .JS)
• Microsoft Word (.DOC and .DOCX)