potato2003

<?php
$array = ['A', 'A', 'A', 'B', 'B', 'C', 'D'];

function selectDuplicates($array) {
    $duplicate = array_filter(array_count_values($array), function($v) {
        return $v > 1;
    });

    return array_keys($duplicate);
}

potato2003

val (text, status) = args.headOption.collect {
  case "new" => newCommand _
  case "help" => helpCommand _
}.map { command =>
  command(args.drop(1))
}.getOrElse {
  (Colors.red("Error"), -1)
}

potato2003

app.configuration.getBoolean("trustxforwarded").orElse(Some(false))

potato2003

<?php
 
preg_match('/^([[:alnum:]]*)([[:^alnum:]]*)$/u', 'aaaaああああ', $matches);

if ($matches[0] === 'aaaaああああ') {
  echo 'MATCH!'
}
 
/*
 UTF8モードだとalnumでひらがながマッチする

potato2003

module.exports = (time) ->
  elapse =
    if time instanceof Date
      time.getTime() - Date.now()
    else if typeof time == "number"
      time - Date.now()
    else
      console.warn "Given a invalid date type(\"#{typeof time}\") arguments. expected date type is Date or Number."
      ""
  

potato2003

object Application extends Controller {
  implicit val charset = Codec.javaSupported("iso-8859-1")
  
  def index = Action {
    Ok(<h1>hello</h1>).as(HTML)
  }
}

potato2003

trait SlickDBSessionElement extends StackableController {
  self: Controller =>

  import play.api.db.slick
  type Session = slick.Session

  case object DBSessionKey extends RequestAttributeKey[Session]

  override def proceed[A](req: RequestWithAttributes[A])(f: RequestWithAttributes[A] => Result): Result = {
    val session:Session = play.api.db.slick.DB.createSession()

potato2003

$ scaladoc -d doc/ -s src/main/scala/**/*.scala

potato2003

implicit def session(implicit request: RequestHeader) = request.session

potato2003

class ClassA(val label: String)

implicit val arg1:ClassA = new ClassA("ぼくは暗黙的パラメータ") // implicit def foo のための暗黙的パラメータ定義

implicit def foo(implicit a: ClassA):String = { // 引数の implicit 消すと 暗黙的パラメータ見つからないってエラーになる
  println("fooだよ")
  a.label
}

def bar()(implicit argStr:String):String = {