danieltreacy

### Keybase proof

I hereby claim:

  * I am danieltreacy on github.
  * I am dtreacy (https://keybase.io/dtreacy) on keybase.
  * I have a public key ASBrgE6lQLsuoec1QAWBCf8gtCLBtbpRaaxA0PaAWi2kIgo

To claim this, I am signing this object:

danieltreacy

Tech companies who have migrated to the JVM

NB: Does not include companies that started with a JVM language. The purpose of this gist is to list the companies that decided to move their stack (or some part of it) to the JVM.

• Twitter (Ruby -> Scala) - http://www.readwriteweb.com/hack/2011/07/twitter-java-scala.php
• Foursquare (PHP -> Scala) - http://www.scala-lang.org/node/5130
• Facebook (PHP/C++ -> PHP on JVM) - http://nerds-central.blogspot.com.au/2012/08/facebook-moving-to-jvm.html
• Tumblr (PHP -> Scala) - http://highscalability.com/blog/2012/2/13/tumblr-architecture-15-billion-page-views-a-month-and-harder.html
• Square (Ruby -> Java/JRuby) - http://www.quora.com/Square-Inc-1/What-is-the-technology-stack-behind-Square

danieltreacy

# start the counter
> DebtClock::Counter.instance.start
=> 0
=> 1
=> 2
...

# get the latest count
> DebtClock::Counter.instance.count
=> 5

danieltreacy

require 'singleton'

module DebtClock

  class Counter
    include Singleton
    
    def initialize
      @count = 0
    end

danieltreacy

module DebtClock

  class Counter

    @@count = 0
    
    def start
      Thread.new {
        loop do
          @@count += 1

danieltreacy

var directive = {
    ".select-box option@selected": function(arg) { 
                           if (arg.item.someKey = "someValue") { return true }
                           else { ... }
     }
}