matthandlersux’s gists

matthandlersux / symspell.js

Last active October 5, 2019 15:37

	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("");

matthandlersux / gist:9403412

Last active August 29, 2015 13:57

	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)
	}
	}

matthandlersux / gist:8751399

Created February 1, 2014 12:05

possible way to make easily updatable case class objects

	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))
	}

matthandlersux / spike.scala

Created October 24, 2013 18:49

showing jason my spikes

	// 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

matthandlersux / serialize.scala

Last active December 25, 2015 12:39

testing a possible way to serialize to and from a nosql database

	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 {

matthandlersux / fizzbuzz.erl

Created November 27, 2012 22:06

fizzbuzz in erlang

matthandlersux / PrivateMethodCaller.scala

Created September 15, 2012 12:37 — forked from jorgeortiz85/PrivateMethodCaller.scala

Calling private methods in Scala

	// 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"))

matthandlersux / whywrong.scala

Created August 17, 2012 20:06

pulling out types?

	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
	}

matthandlersux / gist:3344752

Created August 13, 2012 23:18

type matching test

matthandlersux / unclean creator in companion.scala

Created July 6, 2012 02:01

any way to make this cleaner?

	abstract class SuperClass {
	var initialized = false

	def initialize {
	initialized = true
	}
	}

	abstract trait SubclassCompanion {
	def create:Any

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