matugm

ALPHABET_SIZE = 26

def caesar_cipher(string)
  shiftyArray = []
  charLine = string.chars.map(&:ord)

  shift = 1
  ALPHABET_SIZE.times do |shift|
    shiftyArray << charLine.map do |c|
      ((c + shift) < 123 ? (c + shift) : (c + shift) - 26).chr

matugm

#include "array.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>

struct ArrayData *initArray() {
	struct ArrayData *newArray = malloc(sizeof(struct ArrayData));
	newArray->pointer = calloc(1000, sizeof(int));
	newArray->size = 1000;

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

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

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

<pre>

<?php

// Creating an array

$chars = array();

array_push($chars,'a','b','c');