ckirkendall

(use '[clojure.core.match :only [match]])

(defn evaluate [env [sym x y]]
  (match [sym]
    ['Number]   x
    ['Add]      (+ (evaluate env x) (evaluate env y))
    ['Multiply] (* (evaluate env x) (evaluate env y))
    ['Variable] (env x)))
    
(def environment {"a" 3, "b" 4, "c" 5})

gclaramunt

trait FlightStatus
trait Flying extends FlightStatus
trait Landed extends FlightStatus

case class Plane[Status <: FlightStatus]()

def land(p:Plane[Flying])=Plane[Landed]()
def takeOff(p:Plane[Landed])= Plane[Flying]()

val plane = new Plane[Landed]()

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

sadache

package controllers

import play.api._
import play.api.mvc._


object Application extends Controller {
  
  def index = Action {

sadache

package controllers

import play.api._
import play.api.mvc._
import play.api.libs.ws._
import play.api.libs.iteratee._
import play.api.libs.concurrent._

object Application extends Controller {
	

viktorklang

/*
Copyright 2012-2021 Viktor Klang

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software

milessabin

/*
 * Copyright (c) 2012 Miles Sabin 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

milessabin

scala> implicit val i = 23
i: Int = 23

scala> def foo[T](t : T)(implicit ev : T = "foo") = ev
foo: [T](t: T)(implicit ev: T)T

scala> foo(0)
res6: Int = 23

scala> foo("bar")

missingfaktor

scala> def isNumeric[N](implicit ev: Numeric[N] = null): Boolean = ev != null
isNumeric: [N](implicit ev: Numeric[N])Boolean

scala> isNumeric[String]
res2: Boolean = false

scala> isNumeric[Int]
res3: Boolean = true

teamon

package controllers

import lib._
import play.api.mvc._
import play.api.libs.json._


object Auth extends Controller {

  val GITHUB = new OAuth2[GithubUser](OAuth2Settings(