aj0strow

{EventEmitter} = require "events"
backoff = require "backoff"
WebSocket = require "ws"

class EverSocket extends EventEmitter
  constructor: (url, options) ->
    @connected = false
    @reconnect = true
    
    @backoff = backoff.fibonacci()

aj0strow

// node lock-catcher.js myprogram.go

var reader = require('line-reader')
var file = process.argv[2]

var prev = null
reader.eachLine(file, function (line) {
  if (prev && /Lock/.test(prev) && !/defer/.test(line)) {
    console.error('You probably messed up.')
  }

aj0strow

// jscodeshift -t self-closing-jsx-tags.js ./src

module.exports = function(file, api) {  
  let j = api.jscodeshift
  let root = j(file.source)
  
  root.find(j.JSXElement)
    .filter(function (path) {
      return !path.value.children.length
    })

aj0strow

Chapter 9 / Mira / Page 59
"Through you off" -> "Throw"

Chapter 11 / After 10 Qs / Page 70
"rather than the a crisp"

Chapter 16 / Limitations / Page 103
"What product to build?"
"FaceBook" inconsistent

aj0strow

/*

If you have font size around 12, it's pretty annoying to have no space at the top
of the file. To fix, add this class selection.

*/

atom-text-editor:not(.mini)::shadow {
  .scroll-view { padding-top: 10px; }
  .gutter { padding-top: 10px; }

aj0strow

open http://localhost:8080/bundle
webpack-dev-server --config webpack.test.js --hot

aj0strow

var through = require('through2')

function subscribe (collection, params) {
  var options = {
    tailable: true,
    awaitData: true,
    noTimeout: true,
    numberOfRetries: Number.MAX_VALUE,
  }
  

aj0strow

YQL('yahoo.finance.quotes')
  .where({ symbol: [ '^IXIC'  ] })
  .select([ 'Symbol', 'LastTradePriceOnly', 'Change', 'PercentChange' ])
  .then(function (results) {
    console.log(results)
  })

YQL('yahoo.finance.historicaldata')
    .where('symbol', '=', 'PRFC')
    .where({ startDate: new Date(2015, 4, 1), endDate: new Date(2015, 4, 23) })

aj0strow

var PassThrough = require('stream').PassThrough

function createChildStream(ref) {
  var stream = new PassThrough({ objectMode: true })
  ref.limitToLast(1).once('child_added', function(snap) {
    var stopKey = snap.key()
    ref.on('child_added', function(snap) {
      stream.push(snap.val())
      if (snap.key() == stopKey) {
        ref.off('child_added')

aj0strow

require 'set'

one = ARGV.shift
two = ARGV.shift

xs, ys = [ one, two ].map do |app_name|
  text = `heroku config -a #{app_name}`
  Set.new(text.scan(/^(\w+):/))
end