msbaek

import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics
import org.scalatest.{FlatSpec, Matchers}

import scala.io.Source

class MobileResponseTimeSpec extends FlatSpec with Matchers {
  val FILE_NAME = "/Users/msbaek/Downloads/res_time.txt"
  val NINETY = 90.0
  val THREE_SECONDS = 3.0
  val TEN_SECONDS = 10.0

msbaek

import models.{DB, SdssRecord}
import org.joda.time.LocalDate
import org.specs2.mutable.Specification
import play.api.libs.ws.{WS, WSResponse}
import play.api.test.WithApplication

import scala.concurrent.Future
import scala.util.{Failure, Success}
import scala.util.matching.Regex.Match

msbaek

import akka.actor.ActorSystem
import models.{DB, SdssRecord}
import org.joda.time.LocalDate
import org.specs2.mutable.Specification
import play.api.libs.ws.{WS, WSResponse}
import play.api.test.WithApplication
import spray.http.{HttpRequest, HttpResponse}

import akka.actor.ActorSystem
import spray.http.{HttpRequest, HttpResponse}

msbaek

import scala.io.Source

object crawler extends  App {
  val DAUM_URL = "http://m.search.daum.net/search?w=tot&q=%s"
  val URL_EXPRESSION = """http://[A-Za-z0-9-_]+.[A-Za-z0-9-_:%&?/.=]+""".r

  val queries = Seq("이효리", "날씨", "다음")

  (queries map getHttp).flatten foreach println

msbaek

/** **********************************
  * -> "in" generator
  * ***********************************/
for (arg <- List("one", "two", "three"))
  println(arg)

/** **********************************
  * ::: 리스트를 붙일 때
  * **********************************/
List(1, 2) ::: List(3, 4, 5)

msbaek

// the empty list
List()
Nil

// 원소를 갖는 리스트 생성
List("Cool", "tools", "rule")

// 3개의 값으로 새로운 List 생성
val thrill = "Will" :: "fill" :: "until" :: Nil

msbaek

// Listing 3.11 Printing formatted character counts for the lines of a url
import scala.io.Source

def widthOfLength(s: String) = s.length.toString.length

val lines = Source.fromURL("https://gist.githubusercontent.com/msbaek/e830f66f5165fbbb844e/raw/d48da60bb3479f5f708367e677a492462afcf66e/gistfile1.scala", "utf8").getLines().toList
val longestLine = lines.reduceLeft(
  (a, b) => if(a.length > b.length) a else b
)
val maxWidth = widthOfLength(longestLine)

msbaek

import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class LoggingTest {
    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    @Test
    public void foo() {
        logger.error("error for {} message for {}", 123, "hello");

msbaek

/**
 * foldLeft
 */
List(1, 2, 3, 4, 5).foldLeft(0) { (totalSofar, current) =>
  totalSofar + current
}
List(1, 2, 3, 4, 5).foldLeft(List[Int]())((b, a) => a :: b)
val rr : Range = 1 to 10
rr.foldLeft(0)(_ + _) // sum
rr.foldLeft(1)(_ * _) // product

msbaek

/**
 * partial function
 * 타입 A의 모든 값에 대해서 정의되지 않은 부분 함수 <--> 전체함수
 */
val fraction = new PartialFunction[Int, Int] {
  override def isDefinedAt(x: Int): Boolean = x != 0

  override def apply(v1: Int): Int = 42 / v1
}