jish

def detect_collision(number)
  guessed_numbers = {}
  count = 0
  collision = false

  while !collision
    guess = rand(number)
    count += 1

    if guessed_numbers[guess]

jish

#!/usr/bin/env ruby

puts "Starting..."

branches = `git branch --merged`.split("\n").map { |branch| branch.strip }

pattern = (ARGV.shift || `whoami`).strip
branches.select! { |branch| branch.match(pattern) }

count = branches.size

jish

# Q: How do I make something happen 25% of the time
# A: rand(4) == 0 

# How?
results = Hash.new(0)

10_000.times do
  results[rand(4)] += 1
end

jish

#!/usr/bin/env sh

if [[ "$1" && "$2" ]]; then
  tmp='tmp.gif'
  ffmpeg -i $1 -pix_fmt rgb24 $tmp
  convert -layers Optimize $tmp $2
  rm $tmp
else
  echo "usage: gifify <input.mov> <output.gif>"
fi

jish

~/tmp% echo "Hello World" > file1.txt
~/tmp% echo "Hello World" > file2.txt
~/tmp% shasum file1.txt 
648a6a6ffffdaa0badb23b8baf90b6168dd16b3a  file1.txt
~/tmp% shasum file2.txt 
648a6a6ffffdaa0badb23b8baf90b6168dd16b3a  file2.txt
~/tmp% md5 file1.txt 
MD5 (file1.txt) = e59ff97941044f85df5297e1c302d260
~/tmp% md5 file2.txt 
MD5 (file2.txt) = e59ff97941044f85df5297e1c302d260

jish

brew install ruby-build
==> Installing ruby-build dependency: rbenv
==> Downloading https://github.com/sstephenson/rbenv/tarball/v0.3.0
######################################################################## 100.0%
Warning: The cleaning step did not complete successfully
Still, the installation was successful, so we will link it into your prefix
==> Caveats
To enable shims and autocompletion add to your profile:
  if which rbenv > /dev/null; then eval "$(rbenv init -)"; fi

jish

def tax_brackets(salary)
  current = salary
  total = 0

  if salary > 8_700
    total += 8_700 * 0.10
  else
    return salary * 0.10
  end

jish

require 'bundler'
Bundler.setup(:assets)

require 'rake-pipeline-web-filters'

RequireFilter = Rake::Pipeline::Web::Filters::NeuterFilter
REQUIRE_REGEX = %r{//= require (.*)}

output 'public'
load_paths = ['app/assets/javascripts', 'vendor/assets/javascripts']

jish

class Foo

  protected

  def protected_method
    puts "protected method"
  end

  private

jish

alias foo Foo Bar <[email protected]>