instruction stringclasses 1
value | output stringlengths 5 1M |
|---|---|
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may ... |
Explain and rewrite the following Scala code: | package org.salgo.sequences.shuffling
import scala.reflect.ClassTag
import scala.util.Random
object FisherYates {
def shuffle[T <: Any : ClassTag](seq: Seq[T]) : Seq[T] = {
val result = seq.toArray
val random = new Random()
for (i <- 0 to seq.length - 1) {
val rdm = random.nextInt(i + 1)
val... |
Explain and rewrite the following Scala code: | package com.opentok.udfs
import com.typesafe.scalalogging.Logger
import org.apache.hadoop.hive.ql.exec.Description
import org.apache.hadoop.hive.ql.udf.generic.GenericUDF
import org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject
import org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector... |
Explain and rewrite the following Scala code: | package net.kwas.impatient.ch6
import org.scalatest._
class PointSpec extends FlatSpec with Matchers {
"A Point" should "be constructable from the companion object" in {
val point = Point(1, 2)
point.x should be (1)
point.y should be (2)
}
}
|
Explain and rewrite the following Scala code: | package im.actor.server.bot.services
import akka.actor.ActorSystem
import im.actor.bots.BotMessages._
import im.actor.concurrent.FutureResult
import im.actor.server.acl.ACLUtils
import im.actor.server.bot.{ ApiToBotConversions, BotServiceBase }
import im.actor.server.db.DbExtension
import im.actor.server.file.{ FileSt... |
Explain and rewrite the following Scala code: | package Tutorial
import Chisel._
import Node._
import Literal._
import scala.collection.mutable.HashMap
import scala.collection.mutable.ArrayBuffer
class updateWriter (extCompName:String) extends gComponentLeaf (() => new update_t)(() => new prDone_t) (ArrayBuffer(("mem", () => new mem_req_t , () => new mem_rep_t),... |
Explain and rewrite the following Scala code: | package edu.cornell.cdm89.scalaspec.pde
import edu.cornell.cdm89.scalaspec.ode.PointVec
object LaxFriedrichsFlux {
case class BoundaryValues(t: Double, u: PointVec, flux: PointVec,
maxLambda: Double, norm: Double)
case class NumericalFlux(t: Double, fStar: PointVec)
def flux(bv1: BoundaryValues, bv2: B... |
Explain and rewrite the following Scala code: | //:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
/** @author Michael E. Cotterell & Alec Molinaro
* @version 1.2
* @date THR Apr 20 00:05:16 EST 2015
* @see LICENSE (MIT style license file).
*/
package scalation.plot
import javafx.application.Application
import javaf... |
Explain and rewrite the following Scala code: | package com.github.gdefacci.briscola
package competition
import player._
final case class CompetitionId(id:Long)
final case class Competition(players:GamePlayers, kind:MatchKind, deadline:CompetitionStartDeadline/*, FIXME"this functionality needs a timer" endTime:LocalDateTime */)
sealed trait MatchKind
case object... |
Explain and rewrite the following Scala code: | /**
* COPYRIGHT (C) 2015 Alpine Data Labs Inc. All Rights Reserved.
*/
package com.alpine.plugin.core.spark.utils
import org.apache.spark.mllib.linalg.DenseVector
import org.apache.spark.mllib.regression.LabeledPoint
import org.apache.spark.sql.Row
/**
* Helper functions that are useful for working with MLlib.
*/... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may ... |
Explain and rewrite the following Scala code: | object Vals {
val List() = List()
val List() = List()
val List() = List()
lazy val List() = List()
val x1a = List(1)
val x1b: List[Int] = List(1)
var x2a = List(2)
var x2b: List[Int] = List(2)
implicit val x3a = List(3)
implicit val x3b: List[Int] = List(3)
implicit lazy val x4a = List(4)
implic... |
Explain and rewrite the following Scala code: | package edu.emory.mathcs.ir.liveqa.parsing
import com.typesafe.scalalogging.LazyLogging
import edu.emory.mathcs.ir.liveqa.base.AnswerCandidate._
import edu.emory.mathcs.ir.liveqa.base.{AnswerCandidate, Question}
import org.joda.time.DateTime
import scala.collection.mutable
import scala.io.Source
import scala.util.Ran... |
Explain and rewrite the following Scala code: | /*
* Copyright 2020 Frugal Mechanic (http://frugalmechanic.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required... |
Explain and rewrite the following Scala code: | package ecommerce.shipping.app
import akka.actor._
import akka.kernel.Bootable
import com.typesafe.config.ConfigFactory
import ecommerce.shipping.ShippingViewUpdateService
import scala.slick.driver.{JdbcProfile, PostgresDriver}
class ShippingViewUpdateApp extends Bootable {
private val config = ConfigFactory.load(... |
Explain and rewrite the following Scala code: | /*
* Copyright 2012 OneCalendar
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in w... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may ... |
Explain and rewrite the following Scala code: | package amora.frontend
import scala.scalajs.js
package object webui extends JsUtils {
implicit class AsDynamic[A](private val a: A) extends AnyVal {
def jsg: js.Dynamic = a.asInstanceOf[js.Dynamic]
}
}
|
Explain and rewrite the following Scala code: | package io.finch
import java.nio.charset.Charset
import cats.Show
import com.twitter.io.Buf
/**
* Encodes an HTTP payload (represented as an arbitrary type `A`) with a given [[Charset]].
*/
trait Encode[A] {
type ContentType <: String
def apply(a: A, cs: Charset): Buf
}
trait LowPriorityEncodeInstances {
... |
Explain and rewrite the following Scala code: | /*******************************************************************************
* Copyright (c) 2019. Carl Minden
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the ... |
Explain and rewrite the following Scala code: | package dotty.tools.dotc
package transform
import core._
import MegaPhase._
import Contexts.Context
import Flags._
import SymUtils._
import Symbols._
import SymDenotations._
import Types._
import Decorators._
import DenotTransformers._
import StdNames._
import NameKinds._
import ast.Trees._
import collection.mutable
... |
Explain and rewrite the following Scala code: | package it
import java.io.File
import java.util.concurrent.{CountDownLatch, TimeUnit}
import java.util.concurrent.atomic.LongAdder
import com.bwsw.commitlog.filesystem.CommitLogCatalogue
import com.bwsw.tstreamstransactionserver.netty.client.Client
import com.bwsw.tstreamstransactionserver.netty.server.{Server, Time}... |
Explain and rewrite the following Scala code: | package com.holdenkarau.spark.testing
import java.sql.{Date, Timestamp}
import org.apache.spark.sql.types._
import org.apache.spark.sql.{DataFrame, Row, SQLContext}
import org.scalacheck.{Arbitrary, Gen}
object DataframeGenerator {
/**
* Creates a DataFrame Generator for the given Schema.
*
* @param sqlC... |
Explain and rewrite the following Scala code: | /**
* This file is part of the TA Buddy project.
* Copyright (c) 2013-2014 Alexey Aksenov ezh@ezh.msk.ru
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Global License version 3
* as published by the Free Software Foundation with the addition... |
Explain and rewrite the following Scala code: | /**
* Copyright 2013 Zhan Shi
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in... |
Explain and rewrite the following Scala code: | /*
* Copyright 2022 HM Revenue & Customs
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or a... |
Explain and rewrite the following Scala code: | package com.twitter.inject.conversions
import com.twitter.util.{Future, Return, Throw, Try}
object option {
/* ---------------------------------- */
object RichOption {
//In companion so can be called from httpfuture.scala
def toFutureOrFail[A](option: Option[A], throwable: => Throwable) = {
optio... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you ... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may ... |
Explain and rewrite the following Scala code: | package me.yingrui.segment.tools.ner
import me.yingrui.segment.tools.CorpusLoader.convertToSegmentResult
import me.yingrui.segment.tools.accurary.SegmentResultComparator
import org.junit.{Assert, Test}
class PRFCorpusToSerialLabelCompareHookerTest {
@Test
def should_label_chinese_family_name_as_b() {
val exp... |
Explain and rewrite the following Scala code: | /*
*************************************************************************************
* Copyright 2011 Normation SAS
*************************************************************************************
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero Ge... |
Explain and rewrite the following Scala code: | package example
import scala.language/*->scalaShadowing::language.*/.higherKinds/*->scalaShadowing::language.higherKinds.*/
class Anonymous/*<-example::Anonymous#*/ {
this: Anonymous/*->example::Anonymous#*/ =>
def locally/*<-example::Anonymous#locally().*/[A/*<-example::Anonymous#locally().[A]*/](x/*<-example::A... |
Explain and rewrite the following Scala code: | package controllers
import java.util.concurrent.ThreadLocalRandom
import scala.concurrent.{Future, ExecutionContext}
import play.api.libs.json.{JsObject, Json, JsValue}
import play.api.mvc._
import play.mvc.Http
import reactivemongo.api.ReadPreference
import reactivemongo.play.json.collection.JSONCollection
import p... |
Explain and rewrite the following Scala code: | ////////////////////////////////////////////////////////////////////////////////
// //
// OpenSolid is a generic library for the representation and manipulation //
// of geometric objects such as points, curves, surfaces, and volumes. ... |
Explain and rewrite the following Scala code: | package com.eevolution.context.dictionary.domain.api.repository
import com.eevolution.context.dictionary._
/**
* Copyright (C) 2003-2017, e-Evolution Consultants S.A. , http://www.e-evolution.com
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Publi... |
Explain and rewrite the following Scala code: | package gitbucket.core.service
import gitbucket.core.model.{Issue, PullRequest, CommitStatus, CommitState, CommitComment}
import gitbucket.core.model.Profile._
import gitbucket.core.model.Profile.profile.blockingApi._
import difflib.{Delta, DiffUtils}
import gitbucket.core.util.SyntaxSugars._
import gitbucket.core.uti... |
Explain and rewrite the following Scala code: | package com.tpl.lib.gui.config
import com.tpl.lib.gui.WidgetPlayerInventory
import net.bdew.lib.gui.{Point, Color}
class PlayerInventoryContainerInfo(val x: Int, val y: Int, val hotbarY: Int) {}
trait PlayerInventoryLoading {
val widgets: Map[String, Any]
val textures: TextureGuiConfig
def getPlayerInventoryW... |
Explain and rewrite the following Scala code: | package com.arcusys.valamis.web.servlet.content.response
import org.json4s.JsonAST.{JNothing, JValue}
import org.json4s.jackson.JsonMethods._
import org.json4s.{CustomSerializer, DefaultFormats, Extraction}
/**
* User: Yulia.Glushonkova
* Date: 05.05.14
*/
case class AnswerResponse(
answerId: Long = 0,
answerT... |
Explain and rewrite the following Scala code: | package types
import types.Types._
import scala.language.{postfixOps, implicitConversions}
case class Sequent(left: Set[Prop], right: Set[Prop]) {
/**
* Indica si el secuente es un Axioma
* @return
*/
def isAxiom = left.exists(right.contains)
/**
* Calcula el secuente obtenido de aplicar al ... |
Explain and rewrite the following Scala code: | /*
* Copyright 2014 http4s.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to i... |
Explain and rewrite the following Scala code: | package lila.round
import scala.concurrent.duration._
import scala.concurrent.Promise
import akka.actor._
import akka.pattern.{ ask, pipe }
import chess.Color
import chess.format.Uci
import play.api.libs.json.{ JsObject, Json }
import actorApi._, round._
import lila.common.PimpedJson._
import lila.game.{ Game, Pov, ... |
Explain and rewrite the following Scala code: | /*!md
---
layout: tutorial
title: The Hello World Program
topic: reactors
logoname: reactress-mini-logo-flat.png
projectname: Reactors.IO
homepage: http://reactors.io
permalink: /reactors/hello-world/index.html
pagenum: 3
pagetot: 40
section: guide-intro
---
!*/
package tutorial
import org.scalatest._
import scala.c... |
Explain and rewrite the following Scala code: | /*
* Copyright 2017 Exon IT
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in w... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may ... |
Explain and rewrite the following Scala code: | package com.github.mdr.graphospasm.grapheditor.model.commands
import com.github.mdr.graphospasm.grapheditor.model._
import com.github.mdr.graphospasm.core.graph._
import org.eclipse.gef.commands.Command
import org.eclipse.draw2d.geometry.Rectangle
import org.eclipse.gef.commands.Command;
class SetEdgeLabelCommand(val... |
Explain and rewrite the following Scala code: | /* ### Module API bundle
This bundle describes generic API for Bio4j modules
*/
package ohnosequences.bio4j.statika
import shapeless._
import ohnosequences.typesets._
import ohnosequences.statika._
/* Abstract interface: */
trait AnyAPIBundle extends AnyBundle
/* Constructor: */
abstract class APIBundle[
D <: Ty... |
Explain and rewrite the following Scala code: | package uk.co.pragmasoft.graphdb
import com.tinkerpop.blueprints.{TransactionalGraph, Vertex}
import uk.co.pragmasoft.graphdb.marshalling.{GraphMarshallingDSL, GraphMarshaller}
import uk.co.pragmasoft.graphdb.validation.GraphDAOValidations
trait GraphDAO[T] extends CrudDAO[T] with GraphMarshallingDSL {
self: Graph... |
Explain and rewrite the following Scala code: | package com.sksamuel.elastic4s.analysis
import com.sksamuel.elastic4s.json.{XContentBuilder, XContentFactory}
import com.sksamuel.exts.OptionImplicits._
trait TokenFilter {
def name: String
def build: XContentBuilder
}
case class SynonymTokenFilter(override val name: String,
path: O... |
Explain and rewrite the following Scala code: | /**
* Copyright (C) 2009-2011 the original author or authors.
* See the notice.md file distributed with this work for additional
* information regarding copyright ownership.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* Yo... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may ... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may ... |
Explain and rewrite the following Scala code: | import sbt.Keys._
import sbt._
import org.scalastyle.sbt.ScalastylePlugin
object TestSettings {
private[this] lazy val checkScalastyle = taskKey[Unit]("checkScalastyle")
def testSettings: Seq[Def.Setting[_]] = Seq(
fork in Test := true,
// Run Scalastyle as a part of tests
checkScalastyle := Scalas... |
Explain and rewrite the following Scala code: | package com.twitter.finagle.benchmark
import com.twitter.finagle.Service
import com.twitter.finagle.tracing._
import com.twitter.util.{Local, Future}
import com.google.caliper.SimpleBenchmark
import com.twitter.finagle.zipkin.thrift.ZipkinTracer
import com.twitter.finagle.tracing.Annotation.{ServerSend, ServerRecv, Me... |
Explain and rewrite the following Scala code: | //https://www.hackerrank.com/challenges/sequence-full-of-colors
object FullOfColors extends App {
class Deck(var r: Int, var g: Int, var y: Int, var b: Int) {
def isPrefixOK = (r - g).abs < 2 && (y - b).abs < 2
def isEqualOK = r == g && y == b
}
object Deck { def apply(r: Int, g: Int, y: Int, b: Int) ... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you... |
Explain and rewrite the following Scala code: | package cwe.scala.library.audit.listener
import cwe.scala.library.audit._
import cwe.scala.library.audit.data._
import cwe.scala.library.runtime.io.Logger
import cwe.scala.library.runtime.ServiceProvider
import java.text.SimpleDateFormat
import java.util.Date
/**
* A simple trace service which uses the underlying cwe... |
Explain and rewrite the following Scala code: | /* _ _ _ *\\
** | (_) | | **
** ___| |_ __| | ___ clide 2 **
** / __| | |/ _` |/ _ \\ (c) 2012-2014 Martin Ring ... |
Explain and rewrite the following Scala code: | package org.jetbrains.plugins.scala.lang
package completion
import com.intellij.codeInsight.completion.{CompletionParameters, CompletionProvider, CompletionResultSet, InsertionContext}
import com.intellij.codeInsight.lookup.{InsertHandlerDecorator, LookupElement, LookupElementDecorator}
import com.intellij.openapi.pro... |
Explain and rewrite the following Scala code: | package scala.lms
package epfl
package test3
import common._
import test1._
import test2._
import scala.reflect.SourceContext
trait FunctionsExp extends Functions with BaseExp { // shadow trait with same name in core package
implicit def funTyp[A:Typ,B:Typ]: Typ[A => B] = {
implicit val ManifestTyp(mA) = typ... |
Explain and rewrite the following Scala code: | /*
* Copyright 2015 HM Revenue & Customs
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or a... |
Explain and rewrite the following Scala code: | package eva4s
/** Mixin solely for the purpose of providing common documentation macros.
*
* @define end the mutation probability at generation `generations`
* @define generationsEvolver amount of generations until the fittest individual is chosen for as the solution
* @define generationsMutagen the final gene... |
Explain and rewrite the following Scala code: | package org.oc.ld32.level
import java.util.{ArrayList, List}
import org.lengine.entity.Entity
import org.lengine.level.Level
import org.lengine.maths.Vec2f
import org.oc.ld32.entity.{EntityEnemy, BaguetteEntity, EntityBaguettePiece}
import org.oc.ld32.maths.AABB
class BaguetteLevel(name: String) extends Level {
v... |
Explain and rewrite the following Scala code: | /*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); y... |
Explain and rewrite the following Scala code: | package lila.setup
import chess.{ Mode, Clock }
import lila.rating.RatingRange
import lila.game.{ Game, Player, Source }
import lila.lobby.Color
import lila.rating.RatingRange
private[setup] case object ApiConfig extends Config {
val color = Color.White
val variant = chess.variant.Standard
val mode = Mode.Casu... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not u... |
Explain and rewrite the following Scala code: | object A {
val x = 3
}
|
Explain and rewrite the following Scala code: | package dpla.ingestion3.harvesters.oai.refactor
import org.apache.spark.sql.SQLContext
import org.apache.spark.sql.sources.RelationProvider
/**
* Entry point for the data source. Uses OaiConfiguration and the parameters to decide which
* type of harvest to run, and runs it.
*/
class DefaultSource extends Relat... |
Explain and rewrite the following Scala code: |
object Test {
def main(args: Array[String]) {
val lst = List(1, 2, 3, 4, 5)
assert(lst.scanLeft(0)(_ + _) == List(0, 1, 3, 6, 10, 15))
assert(lst.scanRight(0)(_ + _) == List(15, 14, 12, 9, 5, 0))
val emp = List[Int]()
assert(emp.scanLeft(0)(_ + _) == List(0))
assert(emp.scanRight(0)(_ +... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may ... |
Explain and rewrite the following Scala code: | /*
* MUSIT is a museum database to archive natural and cultural history data.
* Copyright (C) 2016 MUSIT Norway, part of www.uio.no (University of Oslo)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Softw... |
Explain and rewrite the following Scala code: | /*
* Copyright (C) 2014 - 2019 Dennis Vriend <https://github.com/dnvriend>
* Copyright (C) 2019 - 2021 Lightbend Inc. <https://www.lightbend.com>
*/
package akka.persistence.jdbc.state.scaladsl
import scala.concurrent.Future
import scala.concurrent.duration._
import com.typesafe.config.{ Config, ConfigFactory }
i... |
Explain and rewrite the following Scala code: | package chana.timeseries.indicator
/**
* Class for defining indicator's factor
*
* @author Caoyuan Deng
* @Note
* If you use Factor in indicator, please considerate AbstractIndicator#InnerFactor first
* which will be added to Indicator's factors automatically when new it.
*/
class Factor(
var name: String,
... |
Explain and rewrite the following Scala code: | package com.twitter.finatra.http.integration.multiserver.test
import com.google.inject.testing.fieldbinder.Bind
import com.twitter.finagle.http.{Request, Status}
import com.twitter.finatra.http.integration.multiserver.add2server.Add2Server
import com.twitter.finatra.http.test.{HttpMockResponses, EmbeddedHttpServer}
im... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may ... |
Explain and rewrite the following Scala code: | object Test extends App {
val foos = (1 to 1000).toSeq
try {
foos.par.map(i => if (i % 37 == 0) throw new MultipleOf37Exception(i) else i)
assert(false)
} catch {
case ex: MultipleOf37Exception =>
assert(ex.getSuppressed.size > 0)
assert(ex.getSuppressed.forall(_.isInstanceOf[MultipleOf37E... |
Explain and rewrite the following Scala code: | package oriana
import java.io.IOException
import akka.actor.PoisonPill
import akka.util.Timeout
import org.scalatest.{FlatSpec, Matchers}
import oriana.testdatabase.DBContext
import slick.dbio.{DBIOAction, Effect, NoStream}
import scala.concurrent.duration._
import scala.concurrent.{Await, Future}
import scala.util.... |
Explain and rewrite the following Scala code: | def f = {
val a: Array[Null] = Array(null) // error: No ClassTag available for Null
}
def g = {
import scala.language.unsafeNulls
val a: Array[Null] = Array(null) // error: No ClassTag available for Null
} |
Explain and rewrite the following Scala code: | package handlers.server
import handlers.GameClient
import handlers.packets.{PacketWriter, ServerCodes}
import scala.concurrent.Future
/**
* Created by franblas on 15/04/17.
*/
class PlayerInitFinished(gameClient: GameClient) {
def process(): Future[Array[Byte]] = {
val writer = new PacketWriter(ServerCodes... |
Explain and rewrite the following Scala code: | package coursier.cli.options
import java.io.File
import caseapp.{ExtraName => Short, HelpMessage => Help, ValueDescription => Value, _}
import cats.data.{NonEmptyList, Validated, ValidatedNel}
import cats.implicits._
import coursier.cache.CacheDefaults
import coursier.cli.params.CacheParams
import coursier.credential... |
Explain and rewrite the following Scala code: | /*
* Scala (https://www.scala-lang.org)
*
* Copyright EPFL and Lightbend, Inc.
*
* Licensed under Apache License 2.0
* (http://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package scala
package reflect
... |
Explain and rewrite the following Scala code: | package app.restlike.rim
import app.restlike.common.{History, Script, Tracker}
import net.liftweb.common.Full
import net.liftweb.http._
import net.liftweb.http.rest.RestHelper
import org.json4s.native.JsonMethods
import server.ServiceFactory
object Rim extends RestHelper {
import app.restlike.common.Responder._
... |
Explain and rewrite the following Scala code: | package pl.ekodo.crawler
import com.typesafe.scalalogging.slf4j.Logging
case class MockObject(id: String, body: String)
class MockDao extends DAO[MockObject] with Logging {
private var map = Map[String, MockObject]()
def find(id: String): Option[MockObject] = map.get(id)
def save(t: MockObject) = {
map ... |
Explain and rewrite the following Scala code: | package scaladci
package examples
import org.specs2.mutable.Specification
/*
Shopping cart example (version 5) - (Non-DCI?) Centralized Mediator model
This version re-introduces more Roles reflecting the participants of a richer mental
model drawn from both the user and application programmers mental models.
Each UC... |
Explain and rewrite the following Scala code: | import java.io.ByteArrayInputStream
import java.nio.charset.{Charset, CharsetDecoder, CodingErrorAction, StandardCharsets}
import java.util
import org.junit.Test
import org.scalatest.junit.AssertionsForJUnit
import scala.io.{BufferedSource, Codec, Source}
/**
* @author ynupc
* Created on 2015/12/20
*/
... |
Explain and rewrite the following Scala code: | package example
class `local-file/*<-example::`local-file`#*/` {
locally/*->scala::Predef.locally().*/ {
val local/*<-local0*/ = 42
local/*->local0*/ +/*->scala::Int#`+`(+4).*/ 4
}
}
|
Explain and rewrite the following Scala code: | package com.signalcollect.dcop.evaluation
import java.math.MathContext
import java.util.Locale
import scala.collection.GenTraversableOnce
import scala.collection.generic.Growable
import scala.collection.immutable
import scala.collection.mutable
import scala.io.Source
import scala.math.BigDecimal
import sca... |
Explain and rewrite the following Scala code: | // copy from https://github.com/xuwei-k/httpz
// license: MIT
// author: Kenji Yoshida <https://github.com/xuwei-k>
package httpz
import unfiltered.request._
import unfiltered.response._
import unfiltered.filter.Plan.Intent
import scala.util.Random
object TestServer extends unfiltered.filter.Plan {
private[this] ... |
Explain and rewrite the following Scala code: | /***********************************************************************
* Copyright (c) 2013-2018 Commonwealth Computer Research, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Apache License, Version 2.0
* which accompanies this distribution and... |
Explain and rewrite the following Scala code: | package org.bidpulse
import java.util.UUID.randomUUID
import akka.actor.{Terminated, PoisonPill, ActorSystem}
import com.typesafe.config.ConfigFactory
import org.bidpulse.domain.{ProjectUpdate, InList, Trash, Projects}
import org.bidpulse.pipeline.Channel._
import org.bidpulse.pipeline.Channel
import org.scalatest.{B... |
Explain and rewrite the following Scala code: | /*
* Copyright 2019 Spotify AB.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to ... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may ... |
Explain and rewrite the following Scala code: | package scalariform.gui
import java.awt.event._
import java.awt.{ List ⇒ _, _ }
import javax.swing._
import javax.swing.text._
import javax.swing.event._
import javax.swing.tree._
import javax.swing.table._
import javax.swing.border.TitledBorder
import net.miginfocom.layout._
import net.miginfocom.swing._
import sc... |
Explain and rewrite the following Scala code: | /*
* SPDX-License-Identifier: Apache-2.0
*
* Copyright 2015-2021 Andre White.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
... |
Explain and rewrite the following Scala code: | package util
object CollectionUtils {
/**
*
* @param collection
* @param key
* @param compare
* @tparam T
* @tparam K
* @tparam V
* @return Map of keys of duplicate objects. Value is the original object that is duplicated.
*/
def findDuplicates[T, K, V](collection: Seq[T])(key:... |
Explain and rewrite the following Scala code: | package fpinscala.gettingstarted
import scala.annotation.tailrec
// A comment!
/* Another comment */
/** A documentation comment */
object MyModule {
def abs(n: Int): Int =
if (n < 0) -n
else n
private def formatAbs(x: Int) = {
val msg = "The absolute value of %d is %d"
msg.format(x, abs(x))
}
... |
Explain and rewrite the following Scala code: | package com.typesafe.slick.testkit.tests
import com.typesafe.slick.testkit.util.{AsyncTest, JdbcTestDB}
import slick.jdbc.DerbyProfile
class InsertTest extends AsyncTest[JdbcTestDB] {
import tdb.profile.api._
def testSimple = {
class TestTable(tag: Tag, tname: String) extends Table[(Int, String)](tag, tname)... |
Explain and rewrite the following Scala code: | package io.truthencode.ddo.subscription
import io.truthencode.ddo.subscription.service.{EchoClient, EchoServer}
import org.scalatest.BeforeAndAfterAll
import org.scalatest.funspec.AnyFunSpec
import org.scalatest.matchers.should.Matchers
import java.io.IOException
class EchoTestScala extends AnyFunSpec with Matchers ... |
Explain and rewrite the following Scala code: | package org.jetbrains.plugins.scala
package lang
package psi
package impl
package expr
import org.jetbrains.plugins.scala.lang.psi.ScalaPsiElementImpl
import com.intellij.lang.ASTNode
import org.jetbrains.plugins.scala.lang.psi.api.expr._
import types.result.{Success, TypeResult, Failure, TypingContext}
import types._... |
Explain and rewrite the following Scala code: | /*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may ... |
Explain and rewrite the following Scala code: | /*
* Copyright (C) 2016-2017 Lightbend Inc. <http://www.lightbend.com>
*/
package akka.persistence.cassandra.query.scaladsl
import akka.actor.Props
import akka.persistence.cassandra.query.TestActor
import akka.persistence.cassandra.{ CassandraLifecycle, CassandraMetricsRegistry, CassandraSpec }
import akka.persiste... |
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