carlows

class Level
  # list of valid levels (skips 0)
  @@levels = [*(-8..-1)] + [*(1..8)]
  
  def self.all
    @@levels
  end
  
  # Always returns a valid level
  def self.next(current_level, levels_to_inc = 1)

carlows

defmodule A do
  def a(x), do: "hello #{x}"
  def a(nil), do: "found nil"
  def a(%{a: "hello"} = t), do: "found #{Map.get(t, :a)}"
end

A.a(nil)

carlows

class OddPunisher
  def initialize(numbers)
    @numbers = numbers
    clean
  end
  
  def clean
    @numbers.delete_if { |n| n.to_i.even? }
  end
end

carlows

Reading = Struct.new(:date, :high, :low) do
  def mean
    (high + low) / 2.0
  end
end

carlows

class AnnualWeather
  Reading = Struct.new(:date, :high, :low)
  
  def initialize (file_name)
    @readings = []

    CSV.foreach(file_name, headers: true) do |row|
      @readings << Reading.new(Date.parse(row[2]),
                               row[10].to_f,
                               row[11].to_f)

carlows

require('csv')

class AnnualWeather
  def initialize (file_name)
    @readings = []

    CSV.foreach(file_name, headers: true) do |row|
      @readings << {
        :date => Date.parse(row[2]),
        :high => row[10].to_f,

carlows

class SuperSilliness < SillyBase

  def m1 (x, y, z)

    super(1, 2) # Call with 1, 2.

    super(x, y) # Call with x, y.

    super x, y  # Same as above.

carlows

def fix_heading(heading)
  heading.to_s.capitalize
end

carlows

[[14486,14511],[5892,12757],[2380,13034],[2346,11946],[3868,11481],[3474,13444],[2654,13195],[13214,14086],[3216,13248],[2791,12750],[3820,13629],[5424,11206],[11736,4754],[11805,14026],[6269,13876],[2619,12882],[7366,13788],[12190,3343],[6184,13756],[10859,10328],[4749,9003],[7535,7973],[4691,13590],[6395,5887],[8361,2399],[4082,13449],[2719,13061],[4763,1380],[9932,10074],[6634,13679],[3311,8364],[3945,10251],[8921,13784]]

carlows

import React from 'react';
import ReactDOM from 'react-dom';
import axios from 'axios';

// Necesitas crear el component como una clase
class FetchDemo extends React.Component {
  constructor(props) {
    super(props);

    this.state = {