hipjim

/**
 * Created by cristipopovici on 12/18/13.
 */

trait LifeCycle {
  def startup(): Unit

  def shutdown(): Unit
}

hipjim

trait M[T] {
  def plus(x:T,y:T): T
  def zero: T
}

implicit object IntM extends M[Int] {
  def plus(x:Int, y:Int) = x + y
  def zero = 0;
}

hipjim

package controllers

import play.api._
import play.api.mvc._
import play.api.libs.json._
// you need this import to have combinators
import play.api.libs.functional.syntax._

object Application extends Controller {
  

hipjim

OpenTsDb Usefull queries

* show all metrics 
GET /suggest?type=metrics

* put datapoint
PUT /api/put

{
  "timestamp" : 1391952958,

hipjim

var power = function (base, exponent) {
  if (exponent === 1) {
    return base;
  }
  return base * power(base, exponent - 1);
};

var fibb = function (n) {
  if (n === 0 || n === 1) {
    return 1;	  	

hipjim

import play.api.mvc.{Results, SimpleResult, RequestHeader, Filter}
import scala.concurrent.Future

case class BasicAuthFilter() extends Filter {
  private[this] val username = "joe"
  private[this] val password = "secret"

  override def apply(f: (RequestHeader) => Future[SimpleResult])(rh: RequestHeader): Future[SimpleResult] = {
    rh.headers.get("Authorization").map { basicAuth =>
      val (user, pass) = decodeBasicAuth(basicAuth)

hipjim

  type BuildingStringMapper = Building => String
  val buildingCode = (b: Building) => b.getBuildingCode
  
  // works OK
  val buildingHeaders = Map[String, BuildingStringMapper](
    "Building Code" -> buildingCode
    )
    
  // does not work. Can I define function literals as inline map values??
  val buildingHeaders = Map[String, BuildingStringMapper](

hipjim

  def quickSort(l:List[Int]):List[Int] = l match {
    case Nil => l
    case head :: tail =>
      val (l,r) = tail.partition(_ < head)
      quickSort(l) ::: head :: quickSort(r)
  }

hipjim

import scala.annotation.tailrec

/**
  * Created by CristianPopovici on 9/29/2016.
  */
sealed trait List[+T] {

  @tailrec
  final def forEach(f:T => Unit): Unit =
    this match {

hipjim

object PdfReplace extends App {

  val pageNumberToReplace = 22

  val sourcePathStr = "C:\\..."
  val destPathStr = "C:\\..."
  val pageToReplacePath = "C:\\"

  val sourceInput = new FileInputStream(new File(sourcePathStr))
  val pageToReplaceInput = new FileInputStream(new File(pageToReplacePath))