mauricioszabo

(ns monads)

(defn- ensure-instance [class val constructor]
  (if (instance? class val)
    val
    (constructor val)))

(defprotocol IMonad
  (bind [this f]))

mauricioszabo

#!/usr/bin/env python

"""
Fixes a MySQL dump made with the right format so it can be directly
imported to a new PostgreSQL database.

Dump using:
mysqldump --compatible=postgresql --default-character-set=utf8 -r databasename.mysql -u root databasename
"""

mauricioszabo

require_relative 'tu_prolog'

class Lib < TuProlog::RubyLibrary
  def getTheory
    <<-THEORY
create_board :-
    member(Col, ['A', 'B', 'C']),
    member(Row, ['1', '2', '3']),
    asserta(board(Col, Row, ' ')).

mauricioszabo

require 'config-1.2.0.jar'
require 'java'
require 'scala-library.jar'
require 'akka-actor_2.10-2.3.2.jar'

java_import 'akka.actor.UntypedActor'
java_import 'akka.actor.Actor'
java_import 'akka.actor.ActorRef'
java_import 'akka.actor.ActorSystem'
java_import 'akka.actor.UntypedActorFactory'

mauricioszabo

import concurrent._
import concurrent.duration._
import ExecutionContext.Implicits.global

object ScalaFutures extends App {
  val fusers = findFromDB
  val finternet = findFromInternet

  val result = for(
    list_users <- fusers;

mauricioszabo

# When you do this:
class Person < ActiveRecord::Base
end

people = Person.where(name: "Foo")
people.each do
  # Do something with each row
end

# You're instantiating a relation, which includes this module:

mauricioszabo

val before = List(
  List('A', 'B', 'C'),
  List('A', 'C', 'E'),
  List('E', 'F', 'D'),
  List('D', 'A', 'J'),
  List('E', 'D', 'J')
)

val expected = List(
  List('A', 'B', 1),

mauricioszabo

val list = List(
  ('A', 'B', 'C'),
  ('A', 'C', 'E'),
  ('E', 'F', 'D'),
  ('D', 'A', 'J'),
  ('E', 'D', 'J')
)

val expected = List(
  ('A', 'B', 1),

mauricioszabo

CODING GUIDES

Well, there are a bunch of people making these kind of "guides", so I think it's time to make mine too...

In this guide, must and should are used to define mandatory or recomended, in that order.

Naming:

• variable's and method's names must be in snake_case.

mauricioszabo

class TrueClass
  def if_true
    yield
    self
  end

  def if_false
    self
  end
end