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Installing Postgres via Brew

Pre-Reqs

Brew Package Manager

In your command-line run the following commands:

1. brew doctor
2. brew update

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# start postgresql
pg_ctl -D /usr/local/var/postgres start

# stop postgresql
pg_ctl -D /usr/local/var/postgres stop

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import Control.Monad

-------------------------------------------------------------------------------
-- State Monad Implementation
-------------------------------------------------------------------------------

newtype State s a = State { runState :: s -> (a,s) }

instance Monad (State s) where
  return a = State $ \s -> (a, s)

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"""
Given a dictionary, transform it to a string. Then byte encode that string. Then base64 encode it and since this will go
on a url, use the urlsafe version. Then decode the byte string so that it can be else where.
"""
data = base64.urlsafe_b64encode(json.dumps({'a': 123}).encode()).decode()

# And the decode is just as simple...
data = json.loads(base64.urlsafe_b64decode(query_param.encode()).decode())
# Byte encode the string, base64 decode that, then byte decode, finally transform it to a dictionary

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package org.example;

import scala.Function1;
import scala.collection.generic.CanBuildFrom;
import scala.collection.immutable.List;
import scala.collection.immutable.List$;
import scala.collection.immutable.Vector;
import scala.collection.immutable.Vector$;
import scala.collection.mutable.Builder;

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type Valid[M[_], A] = EitherT[M, AccountServiceException, A]
type AccountOperation[M[_], A] = Kleisli[Valid[M, ?], AccountRepository[M], A]

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Keybase proof

I hereby claim:

• I am debasishg on github.
• I am debasishg (https://keybase.io/debasishg) on keybase.
• I have a public key ASAzUhyfxB6-Sy-1fIyhLBZ5SWBaddWWW8AJLWqQZAp7_go

To claim this, I am signing this object:

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object KafkaStreamsTest extends TestSuite[KafkaLocalServer] with Serializers {
  def setup(): KafkaLocalServer = {
    val s = KafkaLocalServer(true)
    s.start()
    s
  }

  def tearDown(server: KafkaLocalServer): Unit = {
    server.stop()
  }

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// build.sbt
val catsVersion = "1.0.0-RC1"
val catsEffectVersion = "0.5"

val catsCore = "org.typelevel" % "cats-core_2.12" % catsVersion
val catsFree = "org.typelevel" % "cats-free_2.12" % catsVersion
val catsEffect = "org.typelevel" %% "cats-effect" % catsEffectVersion

val monix = "io.monix" %% "monix" % "3.0.0-8084549"
val monixCats = "io.monix" %% "monix-cats" % "2.3.2"