yllan

heroku config:add BUILDPACK_URL=http://github.com/heroku/heroku-buildpack-scala.git

yllan

var STATE_CASE_1 = 0,
    STATE_CASE_2 = 1,
    STATE_CASE_3 = 2,
    DEFAULT_CASE = 99999;
 
var dict = {
  STATE_CASE_1: function (s) { /**/ }, // The key is not its Number value! It's String "STATE_CASE_1"!
  STATE_CASE_2: function (s) { /**/ },
  STATE_CASE_3: function (s) { /**/ },
  DEFAULT_CASE: function (s) { /**/ }

yllan

def reformat(json: String) = {
  val tab = "  "
  var inString = false
  var indentLevel = 0

  var index = 0;
  val stringLength = json.length
  val formatted = new StringBuilder

  while (index < stringLength) {

yllan

Persistent

• slick: http://slick.typesafe.com
• activate: http://activate-framework.org
• ReactiveMongo: http://reactivemongo.org

JSON

• json4s: https://github.com/json4s/json4s
• spray-json: https://github.com/spray/spray-json

I/O

yllan

location xxxx {
  proxy_pass        http://localhost:9000;
  proxy_buffering off;
  proxy_cache off;
  proxy_redirect    off;
  proxy_set_header Connection '';
  proxy_http_version 1.1;
  chunked_transfer_encoding off;
  proxy_set_header  Host $host;
  proxy_set_header  X-Real-IP  $remote_addr;

yllan

// import java.io._
// import java.security._
// import play.api.libs.iteratee._

def sha1FileParser(to: File): BodyParser[(String, File)] = BodyParser((header: RequestHeader) ⇒ {
  Iteratee.fold[Array[Byte], (MessageDigest, FileOutputStream)](MessageDigest.getInstance("SHA-1"), new FileOutputStream(to)) { case ((md, os), data) ⇒ 
    md.update(data)
    os.write(data)
    (md, os)
  } mapDone { case (md, os) ⇒

yllan

// Rewrite http://tour.golang.org/#63 to scala using Channel
import scala.concurrent._
import scala.concurrent.ExecutionContext.Implicits.global
 
object GO63Channel extends App {
  def sum(a: List[Int], c: Channel[Int]) = future {
    c write a.sum
  }
  
  val c = new Channel[Int]()

yllan

scalaVersion := "2.10.1"
 
resolvers ++= Seq(
    "Typesafe Snapshots" at "http://repo.typesafe.com/typesafe/snapshots/",
	  "OSS" at "https://oss.sonatype.org/content/repositories/snapshots/")
 
libraryDependencies ++= Seq(
  "org.scalaz" %% "scalaz-core" % "7.0-SNAPSHOT" 
)
 

yllan

  /* render a tweet using entities: for example
   * val e = Entity(10, 21, """<a href="https://twitter.com/search/?q=%23ScalaIntro">#ScalaIntro</a>""")
   * val entities = Seq(e)
   * render("I love my #ScalaIntro exercises!", entities)
   * should result in
   * """I love my <a href="https://twitter.com/search/?q=%23ScalaIntro">#ScalaIntro</a> exercises!"""
   * The "start" and "end" fields of an Entity refer to the indices in the
   * original string to be substituted with the html field; you may assume
   * that these indices are all non-overlapping.
  */

yllan

sealed abstract class L[A] {
  def append(l: L[A]): L[A]
}

case class LNil[A]() extends L[A] {
  def append(l: L[A]) = l
  override def toString = "Nil"
}

case class LCons[A](head: A, tail: L[A]) extends L[A] {