cupakromer

class MyModel < ActiveRecord::Base
  has_many :things
end

model = MyModel.new
model.things.build do
  #stuff...
end

cupakromer

class Cart < ActiveRecord::Base
  has_many :line_items

  def total
    line_items.sum(&:price)
  end
end

class LineItem &lt; ActiveRecord::Base

cupakromer

describe CommentsController do
  describe '#create' do
    context 'with valid form' do
      let(:expect_commenting) { expect{ post :create, comment: { user_id: 1, body: "This is a comment" } } }

      subject {
        post :create, comment: { user_id: 1, body: "This is a comment" }
        @controller
      }

cupakromer

--format nested
--order rand
--colour
# If using spork: --drb

cupakromer

class Test < SimpleDelegator
  def initialize
  end  
end  
#=> nil

t = Test.new
#=> nil

t[:thing] = 'help'

cupakromer

#!/usr/bin/env ruby
#encoding: UTF-8

################################################################################
################################################################################

################################################################################
# Overly simplistic implementation of how a RSpec test works                   #
################################################################################

cupakromer

#!/usr/bin/env ruby
require 'benchmark'
require 'digest'

n = 5_000_000
xruns = 10

puts <<-EOS
Hash Benchmarks
===============

cupakromer

#define MAX_STEPS 100000
#define NO_SOLUTION -1

int arrayJump(int *A, int size) {
  int *p = A, steps = 0;
  while (++steps < MAX_STEPS && A <= (p+=*p) && p < A+size);
  return steps >= MAX_STEPS ? NO_SOLUTION : steps;
}

cupakromer

Compile with `gcc -Wall -lssl -lcrypto shait.c`

cupakromer

char *sha256_hexdigest(const void *buf_to_hash, size_t buf_len, char *hexdigest)
{
  uint8_t binary_hash[SHA256_DIGEST_LENGTH];
  uint8_t *digest;
  SHA256_CTX context;
  int i;

  SHA256_Init(&context);
  SHA256_Update(&context, buf_to_hash, buf_len);
  SHA256_Final(binary_hash, &context);