akr4

// obj ::= "{" [members] "}".
// arr ::= "[" [values] "]".
// value ::= obj | arr | stringLiteral | floatingPointNumber | "null" | "true" | "false".
// values ::= value { "," value }.
// members ::= member { "," member }.
// member ::= stringLiteral ":" value.

object Main {
  import util.parsing.combinator._

akr4

object LogParser {

  import java.net._
  import org.joda.time.DateTime
  import org.joda.time.format.DateTimeFormat

  case class Access(
    ipAddress: InetAddress,
    ident: String,
    user: String,

akr4

scalaVersion := "2.9.1"

resolvers ++= Seq(
  "jboss.org" at "http://repository.jboss.org/nexus/content/groups/public/"
)

libraryDependencies ++= Seq(
  "org.jboss.netty" % "netty" % "3.2.7.Final"
)

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val model = new FileDataModel(new File("data/ml-100k/ua.base"))

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lazy val slopeOne = new RecommenderBuilder {
  def buildRecommender(model: DataModel) = new SlopeOneRecommender(model) 
}

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scala> val a = (1 to 100).grouped(10).map(_.iterator)
a: Iterator[Iterator[Int]] = non-empty iterator

scala> val b = Stream.continually{ print("#"); a.next }.take(10)
#b: scala.collection.immutable.Stream[Iterator[Int]] = Stream(non-empty iterator, ?)

scala> val c = b.iterator.flatten
c: Iterator[Int] = non-empty iterator

scala> c.foreach(print)

akr4

while (true) {
  readLine
  println("start")
  val start = System.currentTimeMillis
  readLine
  val end = System.currentTimeMillis
  println("end")
  println("%.1f".format( (end - start).toDouble / 1000))
}

akr4

object Levenshtein {
  def calc(a: String, b: String): Int = {
    val d = Array.ofDim[Int](a.size + 1, b.size + 1)

    // initialization
    for (i <- 0 to a.size) d(i)(0) = i
    for (j <- 0 to b.size) d(0)(j) = j

    for (
      i <- 1 to a.size;

akr4

package com.fourseasonszoo.niboshi

import com.sun.syndication.io._
import com.sun.syndication.feed.synd._
import scala.collection.JavaConverters._
import org.scala_tools.time.Imports._
import scalax.io._
import java.io.StringWriter

object Main extends App {

akr4

import scala.sys.process._

for (pom <- ("find . -name pom.xml" !!) split "\n") {
  "mvn -f " + pom + " clean" run
}