Dominik Dorn domdorn

Freelance Software Engineer from Vienna, Austria. Coding mostly in Scala and some Java now and then.

domdorn / VavrToScalaConverters.scala

Created September 15, 2020 16:24

Vavr To Scala Converters

	import cats.data.EitherT
	import io.vavr.concurrent.{Future => VavrFuture}

	import scala.concurrent.{ExecutionContext, Future, Promise}

	object VavrToScalaConverters {

	implicit class VavrFutureToScala[T](future: VavrFuture[T]) {

	def asScala: Future[T] = {

domdorn / Animal.scala

Created September 18, 2020 12:54

Play Json Inheritance

	import play.api.libs.json._

	sealed trait Animal {
	val `type`: String
	}

	case class Cat(name: String) extends Animal {
	override val `type`: String = "cat"
	}

domdorn / HMacSha256.scala

Created November 21, 2020 16:43

Create a HMac Sha256 hash from a given string

	object HMAC {
	def generateHMAC(sharedSecret: String, input: String): String = {
	val secret = new SecretKeySpec(sharedSecret.getBytes, "HmacSHA256") //Crypto Funs : 'SHA256' , 'HmacSHA1'
	val mac = Mac.getInstance("HmacSHA256")
	mac.init(secret)
	val hashString: Array[Byte] = mac.doFinal(input.getBytes)
	// this makes sure that the string is 64chars long and gets padded with 0 if its shorter
	String.format("%064x", new BigInteger(1, hashString))
	}

domdorn / sample.json

Created August 30, 2021 20:09

JQ flatten / flatMap nested structure

domdorn / gist:85be1aba92b251bffb472fc0203e18e6

Created January 15, 2024 20:01

Settings.coc