tyrcho

package info.daviot.lceb
import scala.util.parsing.combinator._

sealed trait Expr { def eval: Int }
case class Number(value: Int) extends Expr {
  val eval = value
}
case class Prod(left: Expr, right: Expr) extends Expr {
  def eval = left.eval * right.eval
}

tyrcho

A sample batch file running a scala script with process to call external commands.

The same can be done for *nix systems.

tyrcho

package misc;

import scala.LowPriorityImplicits;
import scala.Predef.;
import scala.collection.IterableLike;
import scala.collection.TraversableOnce;
import scala.collection.immutable.List;
import scala.collection.immutable.List.;

public final class ImportExperiment$

tyrcho

[remote "origin"]
  fetch = +refs/heads/*:refs/remotes/origin/*
	url = http://[email protected]/git/activiti-xa
[remote "github"]
	fetch = +refs/heads/*:refs/remotes/origin/*
	url = https://github.com/Activiti/Activiti.git
	proxy = http://proxy:3128

tyrcho

import scala.util.Random
import scala.collection.immutable.SortedMap

object ATGC extends App {
  def randomString(size: Int) = List.fill(size)(randomChar).mkString
  def randomChar = "ATGC"(Random.nextInt(4))

  def analyze(s: String): Map[String, Int] = {
    val (_, _, res) = (s + "Z").tail.foldLeft((s.head, 1, SortedMap.empty[String, Int] withDefaultValue 0)) {
      case ((last, count, map), current) if current == last => (last, count + 1, map)

tyrcho

import scala.io.Source
import scala.util.parsing.json.JSON

object Sort extends App {
  //enter your own values, these won't work !
  val listId = "87308c95352724c5f1"
  val key = "01e5ed84e035d27b365db068c"
  val token = "56027af793b49845fde60505aa429ad82c6ec332a1f98170246"
  val data = Source.fromURL(s"https://api.trello.com/1/lists/$listId/cards?key=$key&token=$token").getLines mkString

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object Events {

  object Event {
    def build(typee: String) = {
      typee match {
        case "foo" => new FooEvent
        case "bar" => new BarEvent
      }
    }
  }

tyrcho

import scala.collection.immutable.SortedMap
import scala.collection.immutable.NumericRange

object Main extends App {
  val halfLife: Double = 60

  val data = Seq(
    Blip("a", strength = 1),
    Blip("b", strength = 1),
    Blip("c", strength = 1),

tyrcho

// For an unkown reason, this works when copy/paste in ammonite but not with `amm pca.sc`
import $ivy.`org.scalanlp::breeze-natives:0.13.2`
import $ivy.`org.scalanlp::breeze-viz:0.13.2`
import $ivy.`org.scalanlp::breeze:0.13.2`

import breeze.linalg._
import breeze.linalg.svd._
import breeze.plot._

import scala.util.Random._

tyrcho

import scala.concurrent.Future
import scala.concurrent.ExecutionContext.Implicits.global
import scala.concurrent.Await
import scala.concurrent.duration.DurationInt

object ParallelPrimesCompute extends App {
  val primes: Stream[Long] =
    2L #:: Stream.range(3, Long.MaxValue, 2).filter(
      n => primes.takeWhile(_ <= Math.sqrt(n)).forall(n % _ != 0))