Skip to content

Instantly share code, notes, and snippets.

View mielientiev's full-sized avatar

Ihor Mielientiev mielientiev

View GitHub Profile
@mielientiev
mielientiev / SlickFinalTaggless.scala
Last active February 5, 2019 21:20
Slick Final Tagless approach
// build.sbt
val slick = Seq(
"com.typesafe.slick" %% "slick" % "3.2.1",
"org.slf4j" % "slf4j-nop" % "1.6.4",
"com.typesafe.slick" %% "slick-hikaricp" % "3.2.1",
"com.h2database" % "h2" % "1.4.196"
)
val scalaz = Seq(
"org.scalaz" %% "scalaz-core" % "7.2.17"
)
@mielientiev
mielientiev / ElasticSearchTest.md
Last active August 17, 2017 13:14

Create Index

curl -XPUT 'localhost:9200/auto?pretty' -H 'Content-Type: application/json' -d'
{
    "settings" : {
        "number_of_shards" : 1
    },
    "mappings" : {
        "car" : {
@mielientiev
mielientiev / Scala Code Question.scala
Last active March 20, 2017 11:28
import scala.concurrent.duration.Duration
import scala.concurrent.{Await, Future}
import scala.concurrent.ExecutionContext.Implicits.global
import scala.util.{Failure, Success, Try}
object Main {
def main(args: Array[String]): Unit = {
val seq = Seq(Future("a"), Future("b"), Future(throw new NullPointerException("abc")), Future("c"))
@mielientiev
mielientiev / Scala8079.scala
Last active January 22, 2017 19:23
trait TestCo {
type CoVariant[+T, _ <: Exception]
def unwrap[T](value: => CoVariant[T, _ <: Exception]): T
}
// works fine, since Option is covariant
class TestCoImpl extends TestCo {
type CoVariant[+T, _ <: Exception] = Option[T]
def unwrap[T](value: => CoVariant[T, _ <: Exception]): T = value.get
}
@mielientiev
mielientiev / HelloWorld.scala
Created April 27, 2016 11:37
//Controller
import play.api.mvc.{Action, Controller}
class HelloWorldController extends Controller {
def helloWorld() = Action {
Ok("Hello World")
}