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const { uniq, map, range, zip, mapValues, groupBy, flatMap } = require('lodash'); | |
const expandWordToDeletions = (word) => { | |
const wordArray = word.split(""); | |
const deletionList = map( | |
range(word.length), | |
i => { | |
const copied = [...wordArray]; | |
copied.splice(i, 1); | |
return copied.join(""); |
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package util | |
object FutureOption { | |
implicit class WithFutureOption[A](self: Future[Option[A]]) { | |
def flatMapOption[T](e: => Exception)(f: A => Future[T]): Future[T] = { | |
self flatMap { | |
_ map f getOrElse Future.failed(e) | |
} | |
} |
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trait Base[T] { | |
val id: Option[String] | |
def copyId(id: String): T | |
} | |
case class Test2(id: Option[String], other: String) extends Base[Test2] { | |
def copyId(id: String) = copy(id=Some(id)) | |
} |
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// file 1 | |
package active_column.driver | |
import me.prettyprint.cassandra.serializers.ByteBufferSerializer | |
import me.prettyprint.cassandra.serializers.DoubleSerializer | |
import me.prettyprint.cassandra.serializers.DynamicCompositeSerializer | |
import me.prettyprint.cassandra.serializers.IntegerSerializer | |
import me.prettyprint.cassandra.serializers.LongSerializer | |
import me.prettyprint.cassandra.serializers.SerializerTypeInferer |
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object Serializers { | |
trait Serializable[T] { | |
def serialize(t: T): String | |
def fromSerialized(s: String): Option[T] | |
} | |
object Serializable { | |
implicit object SerializableInt extends Serializable[Int] { | |
def serialize(t: Int) = s"int: $t" | |
def fromSerialized(s: String): Option[Int] = try { |
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-module(fizzBuzz). | |
-export([fizzBuzz/0]). | |
fizzBuzz() -> | |
fizzBuzz(1,3,5). | |
fizzBuzz(100, _, _) -> | |
io:format("buzz~n"); | |
fizzBuzz(Count, Count, Count) -> | |
io:format("fizzbuzz~n"), |
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// Usage: | |
// p(instance)('privateMethod)(arg1, arg2, arg3) | |
class PrivateMethodCaller(x: AnyRef, methodName: String) { | |
def apply(_args: Any*): Any = { | |
val args = _args.map(_.asInstanceOf[AnyRef]) | |
def _parents: Stream[Class[_]] = Stream(x.getClass) #::: _parents.map(_.getSuperclass) | |
val parents = _parents.takeWhile(_ != null).toList | |
val methods = parents.flatMap(_.getDeclaredMethods) | |
val method = methods.find(_.getName == methodName).getOrElse(throw new IllegalArgumentException("Method " + methodName + " not found")) |
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class Test { | |
def pullOutType[V](f:Map[String, V] => Unit) { | |
var map = Map[String, V]() | |
val params = Map("string" -> "string", "int" -> 20, "list" -> List("ok", "then")) | |
params.foreach { | |
case (field, value) => value match { | |
case v:V => map = map + (field -> v) | |
case _ => null | |
} |
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object Holder { | |
var companions = Set[AnyRef]() | |
def companionFor[M](m:M) = { | |
companions.find { | |
case found:M => true | |
case _ => false | |
} | |
} | |
} |
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abstract class SuperClass { | |
var initialized = false | |
def initialize { | |
initialized = true | |
} | |
} | |
abstract trait SubclassCompanion { | |
def create:Any |
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