akotlov

Twitter Example With Firebase

A famo.us example app. Showcases our javascript powered infinite scrollview, and multiple pages. All data is sent over firebase.

A Pen by Brian C on CodePen.

License.

akotlov

var Transform = require('famous/core/Transform');

function ShowModifier(options) {
  this.visible = !!options.visible;
  this._output = {
    transform: Transform.identity,
    opacity: 1,
    origin: null,
    align: null,
    size: null,

akotlov

// This is from my comment here: http://wolfram.kriesing.de/blog/index.php/2008/javascript-remove-element-from-array/comment-page-2#comment-466561

/*
 * How to delete items from an Array in JavaScript, an exhaustive guide
 */

// DON'T use the delete operator, it leaves a hole in the array:
var arr = [4, 5, 6];
delete arr[1]; // arr now: [4, undefined, 6]

akotlov

function Foo(who) {
	this.me = who;
}

Foo.prototype.identify = function() {
	return "I am " + this.me;
};

function Bar(who) {
	Foo.call(this,"Bar:" + who);

akotlov

System directories

Method	Result
Environment.getDataDirectory()	/data
Environment.getDownloadCacheDirectory()	/cache
Environment.getRootDirectory()	/system

External storage directories

akotlov

db.Collection.find({
 created_at : {
    '$gte': new Timestamp(new Date(2012, 0, 21), 0),
    '$lte': new Timestamp(new Date(2012, 0, 22), 0)
})

akotlov

/*
INIT: ensure Babel/Eslint/Flow is configured for ES Class Fields & Static Properties
JSX USAGE: <Iframe src='http://web.site' onLoad={myOnloadFunction}/>
*/
import React, { Component, PropTypes } from 'react'
import ReactDOM from 'react-dom'

class Iframe extends Component {

  static propTypes: Object = {

akotlov

# first:
lsbom -f -l -s -pf /var/db/receipts/org.nodejs.pkg.bom | while read f; do  sudo rm /usr/local/${f}; done
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*

# To recap, the best way (I've found) to completely uninstall node + npm is to do the following:

# go to /usr/local/lib and delete any node and node_modules
cd /usr/local/lib
sudo rm -rf node*

akotlov

var maxSize = 10485760;

request({
    url: url,
    method: "HEAD"
}, function(err, headRes) {
    var size = headRes.headers['content-length'];
    if (size > maxSize) {
        console.log('Resource size exceeds limit (' + size + ')');
    } else {

akotlov

function bytesToSize(bytes) {
  const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB']
  if (bytes === 0) return 'n/a'
  const i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)), 10)
  if (i === 0) return `${bytes} ${sizes[i]})`
  return `${(bytes / (1024 ** i)).toFixed(1)} ${sizes[i]}`
}