matugm

COINS = [1,3,6,10,15,20,30,50]

@cache = []

def min_change(amount)
  return 0 if amount == 0
  min = 9999999999

  possible_coins = COINS.select { |n| n <= amount }

matugm

#######################
# Version 1 - O(n^2)
#######################

def max_seq(chars, x = 0, y = 0)
  return chars if chars.size < 2

  combinations = {}

  (0...chars.size).each do |x|

matugm

class ListNode
  attr_accessor :val, :next
  def initialize(val)
     @val  = val
     @next = nil
  end
end

@carry = false

matugm

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

matugm

require 'faker'

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

matugm

#coding: utf-8

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

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

matugm

<pre>

<?php

// Creating an array

$chars = array();

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

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

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

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}"