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defmodule Center do
  require Integer

  def center(string_list) do
    size_max = string_list |> Enum.max_by(&String.length/1) |> String.length()

    Enum.map(string_list, fn x -> show(x, size_max) end)
  end

  defp show(string, size_max) do

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ElixirConf 2014

Dave Thomas—Opening Keynote

Twitter | Slides

Think different(ly)

Get out of your rut and learn new ways to think.

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Horários de Apresentações 2019!!!

Local: Sala 8 do DAINF (ramal 4747)

Equipes

Notas (link público)

Reserve seu horário comentando abaixo com seu nome, dia e horário! O(A) primeiro(a) a reservar fica com o horário!

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weighted = fn choices ->
  max = Enum.reduce(choices, 0, &(&2 + elem(&1, 1)))

  Enum.reduce_while(choices, Enum.random(1..max), fn
    {item, weight}, acc when acc <= weight -> {:halt, item}
    {_item, weight}, acc -> {:cont, acc - weight}
  end)
end

weighted.([{"likely", 9}, {"not likely", 1}])

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play :C
sleep 0.5
play :D
sleep 0.5
play :E
sleep 1
play :G
sleep 1
play :G
sleep 1

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-module(first).
-export([double/1, treble/1, mult/2, area/3, square/1]).

mult(X,Y) ->
   X*Y.
double(X) -> 
  mult(2,X).
treble(X) -> 
  mult(3,X).
area(A,B,C) ->

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-module(logic).
% In the previous video step on pattern matching we saw two ways of defining 
% “exclusive or”. Give at least three others. You might find it useful to 
% know that:
% =/= and == are the operations for inequality and equality in Erlang;
% not is the Erlang negation function; and,
% and and or are the Erlang conjunction and disjunction (infix) operators.
-export([exclusive_or_1/2,exclusive_or_2/2,exclusive_or_3/2,exclusive_or_4/2,
exclusive_or_5/2, max_three/3, how_many_equal/3, test_exclusive_or_1/0]).

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% a mdoule to calculate areas, perimeters and bits
% https://www.futurelearn.com/courses/functional-programming-erlang/3/steps/488101/assignment/submissions/new
-module(geometry).

-export([area/1, test_area/0]).
-export([perimeter/1, test_perimeter/0]).
-export([enclose/1, test_enclose/0]).
-export([bits/1, test_bits/0]).
-export([bits_direct_recursive/1, test_bits_direct_recursive/0]).
-export([bits_tail_recursive/1, test_bits_tail_recursive/0]).

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defmodule BMI do

  def compute(height_in_m, weight_in_kg) do
    weight_in_kg/(height_in_m*height_in_m)
  end

  def test_bmi() do
    22.395413419331717 = BMI.compute(1.83, 75)
    37.10937499999999 = BMI.compute(1.60, 95)
    80 = BMI.compute(1.10, 100)

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-module(exercise).

-export([product/1, test_product/0]).
-export([direct_product/1, test_direct_product/0]).
-export([max_list/1, test_max_list/0]).
-export([direct_max_list/1, test_direct_max_list/0]).

product(X) ->
    product_aux(X, 1).