matugm

def a
  t = Time.now

  Array.new(10_000_000) { rand }

  puts Time.now - t
end

10.times { a }

matugm

require 'benchmark'

N = 1_000_000

Benchmark.bm(10) { |x|
  0.step(to: 16) { |size|
    data = (1..size).zip(Array.new(size))

    x.report(size) {
      i = 0

matugm

require 'benchmark/ips'

str = { "foo" => 1 }
sym = { foo: 1 }

Benchmark.ips do |x|
  x.report("string") { str["foo"] }
  x.report("symbol") { sym[:foo]  }

  x.compare!

matugm

Keybase proof

I hereby claim:

• I am matugm on github.
• I am jesus_castello (https://keybase.io/jesus_castello) on keybase.
• I have a public key whose fingerprint is 5697 A6C4 0820 FCB6 E86E BD21 53CB 0DB1 23B1 3816

To claim this, I am signing this object:

matugm

require 'time'
require 'pp'

objects = [Time.strptime("20", "%M"), Time.strptime("21", "%M"), Time.strptime("25", "%M"),Time.strptime("26", "%M")]
@range  = Hash.new { |hash, key| hash[key] = [] }

def add_into_time_range(time)
  base = time.min - (time.min % 5)
  key  = "#{time.hour}:#{base}"

matugm

Ruby Deep Dive - Table Of Contents

• Using Pry to Learn Ruby
  • The Power of Pry
  • Where did this method come from?
  • Debugging using Pry
• Understanding Exceptions
  • What are Exceptions and Why They Happen
  • Understanding Stack Traces
• Using Exceptions

matugm

The CodeNewbies Ruby community is a group of friendly folks looking to help each other & continously seeking to improve their skills. There are some experienced people here that can help you with any Ruby problems or questions that you have :)

Learning Resources:

• www.codecademy.com/learn/ruby
• www.pine.fm/LearnToProgram
• guides.rubyonrails.org
• www.rubyguides.com

Ruby News:

• http://rubyweekly.com/

matugm

#coding: utf-8

class HighLine
  module BuiltinStyles
    def self.included(base)
      base.extend ClassMethods
    end

    STYLES = {
      erase_line: "\e[K",

matugm

require 'faker'

20.times do
  post = Post.create!(title: Faker::Lorem.word, body: Faker::Lorem.paragraph)
  puts "Created #{post.title}"
end

matugm

// Old
$(function() {
  var flashCallback;
  flashCallback = function() {
    return $(".alert").fadeOut();
  };
  $(".flash-message").bind('click', (function(_this) {
    return function(ev) {
      return $(".alert").fadeOut();
    };