sergiomaia

#acho que da pra fazer assim, veja se funciona.

class RandomPasswords
  def generate(size = 8)
    chars = ('a'..'z').to_a + ('A'..'Z').to_a + ('1'..'9').to_a
    (1..size).collect {|c| chars[ rand(chars.size) ]}.join
  end
end

#nesse caso uma senha com 8 caracteres, se precisar ser maior ou menor mude o parâmetro ... dohhhh!

sergiomaia

MessagesController /action /create

def create
   message = current_user.messages.build(params[:message])
   message.created_at = Time.now # HACK
   message.save!
   respond_with(@messages, :location => messages_url)
end

sergiomaia

Message.joins(:department_targets).joins(:user).where("department_targets.department_id = ? OR users.department_id = ?", department_id, department_id)

sergiomaia

require "json"

def temp()
	number = Dir.glob('/sys/bus/w1/devices/*').count-1
	if number>0 
	@temperatures = Array.new

	Dir.glob('/sys/bus/w1/devices/*').each_with_index {|folder, index|
		values = Hash.new 
		foldername = folder.gsub('/sys/bus/w1/devices/','')

sergiomaia

ENV['RAILS_ENV'] ||= 'test'
require File.expand_path('../../config/environment', __FILE__)
require 'rails/test_help'
require "minitest/reporters"
Minitest::Reporters.use!

class ActiveSupport::TestCase
  # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
  fixtures :all

sergiomaia

# Defines the matching rules for Guard.
guard :minitest, spring: true, all_on_start: false do
  watch(%r{^test/(.*)/?(.*)_test\.rb$})
  watch('test/test_helper.rb') { 'test' }
  watch('config/routes.rb')    { integration_tests }
  watch(%r{^app/models/(.*?)\.rb$}) do |matches|
    "test/models/#{matches[1]}_test.rb"
  end
  watch(%r{^app/controllers/(.*?)_controller\.rb$}) do |matches|
    resource_tests(matches[1])

sergiomaia

# para esse exemplo pressupõe-se que você tenha um recurso post com o campo >> content:string

#Primeiro criamos um model Tag
rails g model Tag name:string

# >> crie uma tabela CreatePostsTags com post_id e tag_id (para nosso relacionamento has_and_belongs_to_many)
rails g migration CreatePostsTags post:references tag:references

# >> modifique a migration CreatePostsTags add :id => false, já que não precisaremos de id nesta tabela
class CreatePostsTags < ActiveRecord::Migration[5.0]

sergiomaia

1.upto(100) do |i|
	if i % 3 == 0 && i % 5 == 0
		puts "FizzBuzz"
	elsif i % 3 == 0
		puts "Fizz"
	elsif i % 5 == 0
		puts "Buzz"
	else
		puts i
	end

sergiomaia

# config/routes.rb
resources :resgistration, only: [:new, :create]

sergiomaia

# app/controllers/registration_controller.rb
class RegistrationsController < ApplicationController
  respond_to :html

  def new
    @registration = Registration.new
  end

  def create
    @registration = Registration.new(registration_params)