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Explain and rewrite the following Scala code:
/* * Copyright 2022 Typelevel * * 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:
package com.foo.datainsights /** * Created by ssahoo on 6/4/15. */ object Consts { final val REPORTS_TopicName = "expense.reports" final val REPORTEntries_TopicName = "expense.reportentries" final val BrokerNames ="node1:9092" final val Zookeeper="node1:2181/expensekafka" final val TopicName_Count = "expen...
Explain and rewrite the following Scala code:
/* * Licensed to Intel Corporation under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * Intel Corporation licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use t...
Explain and rewrite the following Scala code:
package mesosphere.marathon.core.task.tracker.impl import akka.actor.{ ActorRef, ActorSystem, PoisonPill, Terminated } import akka.testkit.TestProbe import mesosphere.marathon.Protos.MarathonTask import mesosphere.marathon.core.base.ConstantClock import mesosphere.marathon.tasks.TaskTracker import mesosphere.marathon....
Explain and rewrite the following Scala code:
package breeze.optimize /* Copyright 2009 David Hall, Daniel Ramage 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 la...
Explain and rewrite the following Scala code:
package org.openapitools.client.model case class Link ( _class: Option[String], _href: Option[String] ) object Link { def toStringBody(var_class: Object, var_href: Object) = s""" | { | "class":$var_class,"href":$var_href | } """.stripMargin }
Explain and rewrite the following Scala code:
package org.jetbrains.plugins.scala.lang.psi.uast.declarations import java.util import com.intellij.psi.{PsiAnnotation, PsiClass} import org.jetbrains.annotations.Nullable import org.jetbrains.plugins.scala.lang.psi.api.base.{ScAnnotation, ScConstructorInvocation, ScReference} import org.jetbrains.plugins.scala.lang....
Explain and rewrite the following Scala code:
package metamorphic.dsl.application case class Application( name: String, services: List[Service]) { def service(serviceName: String): Option[Service] = { services.find(service => service.name.equals(serviceName)) } }
Explain and rewrite the following Scala code:
/* * Copyright 2017 PayPal * * 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 writin...
Explain and rewrite the following Scala code:
/* * Copyright 2013 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 edu.gemini.sp.vcs.log import edu.gemini.spModel.core.SPProgramID import edu.gemini.util.security.principal.GeminiPrincipal import javax.security.auth.Subject import collection.JavaConverters._ import java.io.File trait VcsLog { /** Log an event to the database. * @param op the kind of operation * @...
Explain and rewrite the following Scala code:
package routers import akka.http.scaladsl.server.{Directives, Route} import utils.JsonSupport trait Router extends Directives { def route: Route } trait JsonRouter extends Router with JsonSupport
Explain and rewrite the following Scala code:
package controllers import play.api.mvc._ import org.reactivecouchbase.play.PlayCouchbase import play.api.Play import java.util.UUID import scala.concurrent.Future import play.api.libs.json.{JsObject, Json} import org.reactivecouchbase.CouchbaseRWImplicits.jsObjectToDocumentWriter import java.util.concurrent.atomic.At...
Explain and rewrite the following Scala code:
package booli import org.osgeo.proj4j.{CRSFactory, CoordinateTransformFactory} object Configuration { val user = sys.env("PRICEMAP_BOOLI_USER") val token = sys.env("PRICEMAP_BOOLI_TOKEN") val url = "https://api.booli.se/sold" val pageSize = 500 val outputPath = sys.env("PRICEMAP_OUTPUT_PATH") val tileCach...
Explain and rewrite the following Scala code:
/* * UnrollQuadTree.scala * (Grenzwerte) * * Copyright (c) 2015 Hanns Holger Rutz. All rights reserved. * * This software is published under the GNU General Public License v3+ * * * For further information, please contact Hanns Holger Rutz at * contact@sciss.de */ package de.sciss.grenzwerte import d...
Explain and rewrite the following Scala code:
/* * Copyright 2013 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 dao import dao.helper.TableFilter import database._ import javax.inject.Inject import models._ import slick.jdbc.PostgresProfile.api._ import slick.lifted.TableQuery import utils.date.DateTimeOps.SqlTimestampConverter import scala.concurrent.{ExecutionContext, Future} trait ReportCardEvaluationDao extends Ab...
Explain and rewrite the following Scala code:
// // Processor.scala -- Scala benchmark component Processor // Project OrcTests // // Copyright (c) 2018 The University of Texas at Austin. All rights reserved. // // Use and redistribution of this file is governed by the license terms in // the LICENSE file found in the project's top-level directory and also found at...
Explain and rewrite the following Scala code:
package com.moon.pattern import org.junit.Test /** * Created by Paul on 2017/3/1. */ class Pattern14 { // @Test // def test(){ // val vs = Vector(20.0, 4.5, 50.0, 15.75, 30.0, 3.5) // println(vs filter (price => price >= 20)) // println(vs map (price => price * 0.10)) // println(vs reduce ((total, p...
Explain and rewrite the following Scala code:
/* * Copyright (c) 2012 Orderly Ltd. All rights reserved. * * This program is licensed to you under the Apache License Version 2.0, * and you may not use this file except in compliance with the Apache License Version 2.0. * You may obtain a copy of the Apache License Version 2.0 at http://www.apache.org/licenses/L...
Explain and rewrite the following Scala code:
package org.deepdive.inference case class WeightInferenceResult(weightId: Long, value: Double)
Explain and rewrite the following Scala code:
// Scala for the Impatient / Chapter 5 / Exercise 3: // Write a class Time with read-only properties hours and minutes and a method before(other: Time): Boolean that checks // whether this time comes before the other. A Time object should be constructed as new Time(hrs, min), where hrs is in // military time format (be...
Explain and rewrite the following Scala code:
/* * Copyright 2001-2008 Artima, Inc. * * 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 la...
Explain and rewrite the following Scala code:
//package ch.descabato // //import org.scalatest._ //import org.scalatest.Matchers._ // //class BackupSpec extends FlatSpec { // import org.scalacheck.Gen._ // // val toTest = new BackupIndexHandler() { // val config = new BackupFolderConfiguration() // } // // "detect roots" should "work" in { // testWit...
Explain and rewrite the following Scala code:
/* * This file is part of the "silex" library of helpers for Apache Spark. * * Copyright (c) 2015 Red Hat, Inc. * * 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....
Explain and rewrite the following Scala code:
package scato package io import IOCore.Thunk case class Concurrently[A](thunk: Thunk) extends AnyVal { def *>[B](par: Concurrently[B]): Concurrently[B] = Concurrent.concurrently(IO[A](thunk), IO[B](par.thunk)).map(_._2).concurrently def map[B](f: A => B): Concurrently[B] = Concurrently[B](Thunk.map(thunk)(f))...
Explain and rewrite the following Scala code:
package com.airbnb.scheduler.jobs import com.fasterxml.jackson.annotation.JsonProperty object VolumeMode extends Enumeration { type VolumeMode = Value // read-write and read-only. val RW, RO = Value } object NetworkMode extends Enumeration { type NetworkMode = Value // Bridged and Host val BRIDGE, HOST...
Explain and rewrite the following Scala code:
import fr.njin.playoauth.common.domain._ import scala.concurrent.Future class InMemoryOauthRORep[T <: OauthResourceOwner](val users: Map[String, T] = Map.empty[String, T]) extends OauthResourceOwnerRepository[T] { def find(id: String): Future[Option[T]] = Future.successful(users.get(id)) } class InMemoryOauthClient...
Explain and rewrite the following Scala code:
/** * Copyright 2017 Interel * * 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 t...
Explain and rewrite the following Scala code:
package io.daewon.util trait Monad[+M, Cont[_]] { def unit[A](a: A): Cont[A] def flatMap[A](f: M => Cont[A]): Cont[A] }
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 2021 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 mesosphere.marathon.upgrade import akka.actor.{ ActorRef, ActorSystem, Props } import akka.event.EventStream import akka.testkit.TestActor.{ AutoPilot, NoAutoPilot } import akka.testkit.{ ImplicitSender, TestActorRef, TestKit, TestProbe } import akka.util.Timeout import com.codahale.metrics.MetricRegistry impo...
Explain and rewrite the following Scala code:
package lila.search import lila.common.paginator._ import makeTimeout.large import play.api.libs.json.Writes final class PaginatorBuilder[A, Q : Writes]( searchApi: SearchReadApi[A, Q], maxPerPage: Int) { def apply(query: Q, page: Int): Fu[Paginator[A]] = Paginator( adapter = new ESAdapter(query), ...
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:
/* * 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 scala.reflect.runtime.universe._ import scala.tools.reflect.Eval object B { override def toString = "object" } class C { override def toString = "class" } package foo1 { object B { override def toString = "package > object" } class C { override def toString = "package > class" } } object Foo2 { object B...
Explain and rewrite the following Scala code:
package info.glennengstrand.news import java.util.Date import org.slf4j.Logger; import org.slf4j.LoggerFactory; import info.glennengstrand.io._ /** helper functions for outbound object creation */ object Outbound extends ElasticSearchSearcher { val log = LoggerFactory.getLogger("info.glennengstrand.news.Outbound")...
Explain and rewrite the following Scala code:
package core import akka.actor.Actor import domain.Tweet import com.datastax.driver.core.{BoundStatement, Cluster} import scala.util.Success class TweetWriterActor(cluster: Cluster) extends Actor { val session = cluster.connect(Keyspaces.akkaCassandra) val preparedStatement = session.prepare("INSERT INTO tweets(key...
Explain and rewrite the following Scala code:
/* * Copyright 2013 Commonwealth Computer Research, Inc. * * 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 applica...
Explain and rewrite the following Scala code:
package com.twitter.finagle.stream import com.twitter.concurrent.Offer import com.twitter.io.Buf trait StreamResponse { self => /** * This represents the actual HTTP reply (response headers) for this * response. */ def info: StreamResponse.Info /** * An Offer for the next message in the stream. ...
Explain and rewrite the following Scala code:
/* Copyright (C) 2008-2014 University of Massachusetts Amherst. This file is part of "FACTORIE" (Factor graphs, Imperative, Extensible) http://factorie.cs.umass.edu, http://github.com/factorie Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with...
Explain and rewrite the following Scala code:
package dotty.tools.dotc package transform import core._ import MegaPhase._ import Contexts._ import Flags._ import SymUtils._ import Symbols._ import Decorators._ import DenotTransformers._ import Names._ import NameOps._ import NameKinds._ import NullOpsDecorator._ import ResolveSuper._ import reporting.IllegalSuper...
Explain and rewrite the following Scala code:
package com.wavesplatform.database.jna import java.io.File import com.protonail.leveldb.jna.{LevelDB, LevelDBCompressionType, LevelDBOptions} import org.iq80.leveldb.{CompressionType, DB, DBFactory, Options} class LevelDBJNADBFactory extends DBFactory { private[this] def openJnaDatabase(path: File, options: Option...
Explain and rewrite the following Scala code:
// Copyright: 2010 - 2017 https://github.com/ensime/ensime-server/graphs // License: http://www.gnu.org/licenses/gpl-3.0.en.html package org.ensime.vfs import java.io.File import java.util.zip.ZipFile import org.apache.commons.vfs2._ import org.apache.commons.vfs2.impl._ import org.apache.commons.vfs2.provider.zip.Zi...
Explain and rewrite the following Scala code:
/* * Copyright 2016 The BigDL Authors. * * 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 agr...
Explain and rewrite the following Scala code:
/* __ *\\ ** ________ ___ / / ___ Scala API ** ** / __/ __// _ | / / / _ | (c) 2003-2013, LAMP/EPFL ** ** __\\ \\/ /__/ __ |/ /__/ __ | http://scala-lang.org/ ** ** /____/\\___/_/...
Explain and rewrite the following Scala code:
trait Functor[F[_]] { def fmap[A,B](fun: A=>B, arg:F[A]): F[B] } object Functor{ implicit val ListFunctor: Functor[List] = new Functor[List] { def fmap[A, B](f: A => B, arg: List[A]):List[B] = arg map f } final class OOFunctor[F[_],A](arg:F[A])(implicit ftr: Functor[F]) { def fmap[B](fun: A=>B):F[B] =...
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 2017 Netflix, Inc. * * 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 io.petersen.oauth.consumer import com.massrelevance.dropwizard.ScalaApplication import com.massrelevance.dropwizard.bundles.ScalaBundle import io.dropwizard.db.DataSourceFactory import io.dropwizard.hibernate.HibernateBundle import io.dropwizard.migrations.MigrationsBundle import io.dropwizard.setup.{Enviro...
Explain and rewrite the following Scala code:
/* * Copyright 2007-2010 WorldWide Conferencing, LLC * * 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 applica...
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 io.youi.server.util import java.io.File import java.nio.file.Files import java.security.KeyStore import javax.net.ssl.{KeyManagerFactory, SSLContext, TrustManagerFactory} object SSLUtil { def createSSLContext(keyStoreFile: File, password: String): SSLContext = { val passwordChars = password.toCharArray...
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 net.foreach.analytics.spark import org.apache.spark.{SparkConf, SparkContext} /** * Created by aitor on 12/2/17. */ object WordCount { def main(args: Array[String]): Unit = { val conf = new SparkConf().setAppName(this.getClass.getName).setMaster("local") val sc = new SparkContext(conf) va...
Explain and rewrite the following Scala code:
/* * Copyright 2015 data Artisans GmbH * * 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...
Explain and rewrite the following Scala code:
package org.sample.helloworld import org.apache.predictionio.controller._ import scala.io.Source import scala.collection.immutable.HashMap // all data need to be serializable class MyTrainingData( // list of (day, temperature) tuples val temperatures: List[(String, Double)] ) extends Serializable class MyQuery(...
Explain and rewrite the following Scala code:
/* * Copyright (c) 2014-2020 by The Monix Project Developers. * See the project homepage at: https://monix.io * * 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...
Explain and rewrite the following Scala code:
package edu.rice.habanero.benchmarks.barber import java.util.concurrent.atomic.AtomicLong import edu.rice.habanero.actors.{GparsActor, GparsActorState, GparsPool} import edu.rice.habanero.benchmarks.barber.SleepingBarberConfig._ import edu.rice.habanero.benchmarks.{Benchmark, BenchmarkRunner, PseudoRandom} import sc...
Explain and rewrite the following Scala code:
/* * Copyright 2009-2010 WorldWide Conferencing, LLC * * 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 applica...
Explain and rewrite the following Scala code:
package controllers.billing import scalaz._ import Scalaz._ import scalaz.Validation import scalaz.Validation.FlatMap._ import scalaz.NonEmptyList._ import net.liftweb.json._ import net.liftweb.json.JsonParser._ import io.megam.auth.funnel.{ FunnelResponse, FunnelResponses } import io.megam.auth.funnel.FunnelErrors._...
Explain and rewrite the following Scala code:
package com.lynbrookrobotics.potassium.model.examples import com.lynbrookrobotics.potassium.ClockMocking._ import com.lynbrookrobotics.potassium.Signal import com.lynbrookrobotics.potassium.commons.drivetrain.twoSided.TwoSidedDriveProperties import com.lynbrookrobotics.potassium.control.PIDConfig import com.lynbrookro...
Explain and rewrite the following Scala code:
package apus.util import java.io.InputStream import scala.xml.{Elem, SAXParser} import scala.xml.factory.XMLLoader /** * Use this class for XML parsing instead of scala.xml.XML, * in case that it finds SAXParserFactory from Aalto. <br/> * * Created by Hao Chen on 2014/11/24. */ object Xml extends XMLLoader[Elem...
Explain and rewrite the following Scala code:
package algebra /** * Priority is a type class for prioritized implicit search. * * This type class will attempt to provide an implicit instance of `P` * (the preferred type). If that type is not available it will * fallback to `F` (the fallback type). If neither type is available * then a `Priority[P, F]` insta...
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 fpinscala.errorhandling import scala.{Option => _, Some => _, Either => _, _} // hide std library `Option`, `Some` and `Either`, since we are writing our own in this chapter sealed trait Option[+A] { def map[B](f: A => B): Option[B] = this match { case None => None case Some(a) => Some(f(a)) }...
Explain and rewrite the following Scala code:
package com.datawizards.splot.model import com.datawizards.splot.calculations.PlotSeriesCalculator import com.datawizards.splot.model.PlotType.PlotType import com.datawizards.splot.theme.PlotTheme object Plot { def apply[T] ( plotType: PlotType, width: Int, height:...
Explain and rewrite the following Scala code:
package org.jetbrains.plugins.scala package annotator import com.intellij.codeInspection.ProblemHighlightType import com.intellij.lang.annotation.AnnotationHolder import org.jetbrains.plugins.scala.annotator.quickfix.ReportHighlightingErrorQuickFix import org.jetbrains.plugins.scala.lang.psi.api.ScalaFile import org.j...
Explain and rewrite the following Scala code:
package org.littlewings.tweetbot.application.lilymyu.lyrics.producer import javax.enterprise.context.{ApplicationScoped, Dependent} import javax.enterprise.inject.Produces import javax.inject.Inject import org.littlewings.tweetbot.application.lilymyu.lyrics.config.LilymyuLyricsConfig import org.littlewings.tweetbot.a...
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:
package com.sksamuel.elastic4s.requests.searches.queries import com.sksamuel.elastic4s.json.{XContentBuilder, XContentFactory} object RankFeatureQueryBuilderFn { def apply(q: RankFeatureQuery): XContentBuilder = { val builder = XContentFactory.jsonBuilder() builder.startObject("rank_feature") builder.fi...
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:
{ println(/* offset: 37 */f) def f = {} } def f = {}
Explain and rewrite the following Scala code:
/** * Angles * Copyright (C) 2015 Jakob Hendeß, Niklas Wolber * * 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 License, or * (at your option) any later version. ...
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 lila.video import org.joda.time.DateTime case class TagNb(_id: Tag, nb: Int) { def tag = _id def empty = nb == 0 def isNumeric = tag forall (_.isDigit) } case class Filter(tags: List[String]) { def toggle(tag: String) = copy( tags = if (tags contains tag) tags filter (tag!=) else tags :+ tag ...
Explain and rewrite the following Scala code:
package ru.pavkin.todoist.api.core.model import org.scalacheck.Arbitrary._ import org.scalacheck.Gen import org.scalatest.prop.GeneratorDrivenPropertyChecks import org.scalatest.{FunSuite, Matchers} class DayOfWeekSpec extends FunSuite with Matchers with GeneratorDrivenPropertyChecks { test("DayOfWeek.unsafeBy ret...
Explain and rewrite the following Scala code:
// Copyright (C) 2017 Calin Cruceru <calin.cruceru@stud.acs.upb.ro>. // // See the LICENCE file distributed with this work for additional // information regarding copyright ownership. package org.symnet package models.iptables package extensions.nat // scala import org.junit.runner.RunWith import org.scalatest.{FunSu...
Explain and rewrite the following Scala code:
package lila.message object Event { case class NewMessage(t: Thread, p: Post) }
Explain and rewrite the following Scala code:
package org.scalatest.examples.spec.composingbeforeandaftereach import org.scalatest._ import org.scalatest.BeforeAndAfterEach import collection.mutable.ListBuffer trait Builder extends BeforeAndAfterEach { this: Suite => val builder = new StringBuilder override def beforeEach() { builder.append("ScalaTe...
Explain and rewrite the following Scala code:
package com.twitter.inject.thrift.filtered_integration.http_server import com.twitter.finatra.http.HttpServer import com.twitter.finatra.http.filters.CommonFilters import com.twitter.finatra.http.routing.HttpRouter import com.twitter.inject.thrift.modules.ThriftClientIdModule class GreeterHttpServer extends HttpServe...
Explain and rewrite the following Scala code:
package java.lang.ref class PhantomReference[T >: Null <: AnyRef](referent: T, queue: ReferenceQueue[_]) extends Reference[T](referent) { def this(referent: T) = this(referent, null) override def get: T = null }
Explain and rewrite the following Scala code:
package debop4s.core.jodatime import java.sql.Timestamp import org.joda.time.DateTime class JodaRichTimestamp(val self: Timestamp) extends AnyVal with Ordered[Timestamp] { def toDateTime: DateTime = new DateTime(self) def compare(that: Timestamp): Int = { self.getNanos - that.getNanos } }
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:
// This is supposed to be compiled by Scala 2.11 trait T { def d = 42 val v = "" object O final val w = 33 } trait S2T { var x: Int = 0 lazy val y: Int = 1 val z: Int = 2 val a: Int var b: Int def f(x: Int): Int = x + y } trait S2Tprivate { private var x: Int = 0 private lazy val y: Int = 1 ...
Explain and rewrite the following Scala code:
/* * Copyright (C) 2016 Vincibean <Andre Bessi> * * 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 License, or * (at your option) any later version. * * This...
Explain and rewrite the following Scala code:
package com.blackboxsociety.app.controllers.login import com.blackboxsociety.mvc._ import com.blackboxsociety.http._ import scalaz.concurrent._ import com.blackboxsociety.app.services._ import com.blackboxsociety.mvc.form._ import com.blackboxsociety.http.routes._ case class Post(services: ServiceManifest) extends Co...
Explain and rewrite the following Scala code:
package breeze.linalg.operators import breeze.linalg._ import breeze.linalg.support.{CanZipMapKeyValues, CanZipMapValues, CanCopy} import breeze.generic.{UFunc} import breeze.generic.UFunc.{UImpl, UImpl2} import breeze.macros.expand import breeze.math.{Field, Ring, Semiring} import breeze.storage.Zero import scala.{s...
Explain and rewrite the following Scala code:
package viewmodels import models._ import org.joda.time.DateTime case class BlogEntryWithMeta( blogEntry: BlogEntry, category: Category, tags: Seq[Tag]) object BlogEntryWithMeta { implicit def dateTimeOrdering: Ordering[DateTime] = Ordering.fromLessThan(_ isBefore _) implicit def orderBlogEntryWithMeta: ...
Explain and rewrite the following Scala code:
package fpinscala.errorhandling import java.util.regex.Pattern import fpinscala.errorhandling import org.scalatest.FunSuite import org.scalatest.Matchers._ /** * Created by ejdy on 14.12.15. */ class OptionTest extends org.scalatest.FlatSpec { "Option map" should "return the same for my and library implementation...
Explain and rewrite the following Scala code:
package org.clulab.processors import org.clulab.struct.DirectedGraphEdgeIterator import org.scalatest._ import org.clulab.processors.corenlp.CoreNLPProcessor import scala.collection.mutable.{ArrayBuffer, ListBuffer} import scala.io.Source import java.util.concurrent.{TimeUnit, Executors} import java.lang.Long import o...
Explain and rewrite the following Scala code:
package com.lookout.borderpatrol.test.sessionx import java.net.URL import javax.xml.bind.DatatypeConverter import com.lookout.borderpatrol.Endpoint import com.lookout.borderpatrol.sessionx._ import com.lookout.borderpatrol.sessionx.SecretStores._ import com.lookout.borderpatrol.sessionx.ConsulResponse._ import com.lo...
Explain and rewrite the following Scala code:
package org.jetbrains.plugins.scala package lang.psi.api import com.intellij.openapi.diagnostic.Logger import com.intellij.psi.PsiElement import org.jetbrains.plugins.scala.caches.ScalaRecursionManager import org.jetbrains.plugins.scala.extensions._ import org.jetbrains.plugins.scala.lang.psi.ScalaPsiUtil.SafeCheckExc...
Explain and rewrite the following Scala code:
package io.github.interestinglab.waterdrop.output.batch import io.github.interestinglab.waterdrop.apis.BaseOutput import io.github.interestinglab.waterdrop.config.{Config, ConfigFactory} import org.apache.spark.sql.{DataFrameWriter, Dataset, Row, SparkSession} import java.util import scala.collection.JavaConversions....
Explain and rewrite the following Scala code:
package wakfutcp.protocol.messages.server import wakfutcp.protocol.{Codec, ServerMessage} final case class GroupResultMessage( groupType: Byte, result: Int ) extends ServerMessage { override val id = 504 } object GroupResultMessage { import Codec._ import cats.syntax.apply._ implicit val codec: Codec[Gr...
Explain and rewrite the following Scala code:
package scorex.network import java.net.{InetAddress, InetSocketAddress} import com.google.common.primitives.{Ints, Longs} import scorex.app.ApplicationVersion import scorex.serialization.{BytesSerializable, Deser} import scorex.utils.ScorexLogging import scala.util.Try case class Handshake(applicationName: String,...
Explain and rewrite the following Scala code:
/* * Copyright 2016 The BigDL Authors. * * 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 agr...
Explain and rewrite the following Scala code:
// Copyright 2010 Foursquare Labs Inc. All Rights Reserved. package net.liftweb { package mongodb { package record { package field { import net.liftweb.record._ import net.liftweb.record.RecordHelpers.jvalueToJsExp import net.liftweb.record.field._ import net.liftweb.http.js.JE.{JsObj, Num, Str, JsNull} import xml.{T...
Explain and rewrite the following Scala code:
package org.bitcoins.core.util import org.slf4j.Logger import scodec.bits.ByteVector /** * Created by chris on 2/26/16. * Trait to implement ubiquitous factory functions across our codebase */ abstract class Factory[+T] { /** Creates a T out of a hex string. */ def fromHex(hex: String): T = fromBytes(Bitco...