pedrofurla

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

pedrofurla

public static class id extends Function {
  public Closure enter(StgContext context) {
    // context.R(2) is the first argument of the function
    // All id simply does is evaluate the argument -
    // it cannot do much more!
    return context.R(2).evaluate(context);
  }

  public int arity() { return 1; }
}

pedrofurla

# Credit http://stackoverflow.com/a/2514279
for branch in `git branch -r | grep -v HEAD`;do echo -e `git show --format="%ci %cr" $branch | head -n 1` \\t$branch; done | sort -r

pedrofurla

case class IO[A](unsafePerformIO: () => A) {
  def map[B](ab: A => B): IO[B] = IO(() => ab(unsafePerformIO()))
  def flatMap[B](afb: A => IO[B]): IO[B] =IO(() => afb(unsafePerformIO()).unsafePerformIO())
  def tryIO(ta: Throwable => A): IO[A] = 
    IO(() => IO.tryIO(unsafePerformIO()).unsafePerformIO() match {
      case Left(t) => ta(t)
      case Right(a) => a
    })
}
object IO {

pedrofurla

trait EntityBase {
  def id: String
}

trait Repository {
  type Entity <: EntityBase

  def get(id: String): Option[Entity]
}

pedrofurla

/**
 * Created by pedrofurla on 26/03/14.
 */
package slicks.docs

import slicks.docs.dao.{Entity, IdentifiableTable, CrudComponent, Profile}

case class User(id: Option[Long], first: String, last: String) extends Entity[Long]

trait UserComponent extends CrudComponent { outer: Profile =>

pedrofurla

object Function1Stuff {
  def flatMap[T, A, B]: Function1[T, A] => (A => Function1[T, B]) => Function1[T, B] = 
    sys.error("todo")
}

pedrofurla

trait Bar { def bar(msg:String):Unit }

trait Qux extends Bar { 
 abstract override def bar(msg:String="Qux Says Hello") = {
    super.bar(msg)
    println("qux: " + msg)
  }
}

class Foo extends Bar {