Pedro Furlanetto pedrofurla

pedrofurla / postgres_queries_and_commands.sql

Created April 9, 2020 02:15 — forked from rgreenjr/postgres_queries_and_commands.sql

Useful PostgreSQL Queries and Commands

	-- 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 / Main-Decompiled.java

Created September 12, 2017 04:34 — forked from rahulmutt/Main-Decompiled.java

Polymorphism in Eta via Type Erasure

	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 / git-branches-by-commit-date.sh

Created November 4, 2016 18:59 — forked from jasonrudolph/git-branches-by-commit-date.sh

List remote Git branches and the last commit date for each branch. Sort by most recent commit date.

	# 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 / IO.scala

Created August 12, 2016 15:40 — forked from jdegoes/IO.scala

A pedagogical implementation of the IO monad in Scala in 14 LOC

	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 / SlickRepository.scala

Last active November 18, 2015 05:37 — forked from jlandahl/SlickRepository.scala

	trait EntityBase {
	def id: String
	}

	trait Repository {
	type Entity <: EntityBase

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

pedrofurla / Components.scala

Last active August 29, 2015 13:57 — forked from lshoo/gist:9785645

	/**
	* 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 / Function1.scala

Created November 13, 2012 04:05 — forked from tonymorris/Function1.scala

scala Function1

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

pedrofurla / gist:711758

Created November 23, 2010 13:31 — forked from anonymous/gist:711741

	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 {