isaksky

LETTERS = (65..90).collect{|char_code| char_code.chr}

def letter_combos length, accum = nil
  return accum if length == 0
  return accum || LETTERS if length == 1
  combos = (accum || LETTERS).product(LETTERS).inject([]) {|combos, product| 
    combos << product.first + product.last}     
  letter_combos(length - 1, combos)
end

isaksky

require 'uri'
require 'net/http'

# From http://ruby-doc.org/stdlib-1.9.3/libdoc/net/http/rdoc/Net/HTTP.html#method-c-get_response
# Does not fully work!
def fetch(uri_str, limit = 10)
  # You should choose a better exception.
  raise ArgumentError, 'too many HTTP redirects' if limit == 0

  response = Net::HTTP.get_response(URI(uri_str))

isaksky

  def self.get_response_following_redirects orig_uri, requests_limit = 15
    raise "Input must be an absolute URI." unless orig_uri.is_a?(URI::Generic) && orig_uri.absolute?

    uri = orig_uri
    requests_made = 0
    while requests_made <= requests_limit
      response = Net::HTTP.get_response uri
      requests_made += 1
      case response
        when Net::HTTPSuccess

isaksky

// How to win. Script for okcupid.com
// Using a script manager, e.g., this thing: https://github.com/defunkt/dotjs
// Replace cities_close_enough array with what is close enough for you.
// Drop this in ~/.js/okcupid.com.js

window.setInterval(function(){
    $('p.location:visible').each(function(){
        var loc = $(this).text();
        var city = loc.substring(0,loc.indexOf(','));
        var cities_close_enough = ['Palo Alto', 'Mountain View', 'Sunnyvale', 'Stanford'];

isaksky

def ghetto_cartesian_product colls
  if colls.empty?
    [[]]
  else
    colls.first.reduce([]) do |memo, e|
      rest = colls.drop 1
      tails = ghetto_cartesian_product(rest).map do |tail|
        [e].concat tail
      end
      memo.concat tails

isaksky

# Check out rbenv into ~/.rbenv.
cd
git clone git://github.com/sstephenson/rbenv.git .rbenv

# Add ~/.rbenv/bin to your $PATH for access to the rbenv command-line utility.
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile

# Add rbenv init to your shell to enable shims and autocompletion.
echo 'eval "$(rbenv init -)"' >> ~/.bash_profile

isaksky

update_in = (obj, keys, value) ->
  node = obj
  while true
    key = keys.shift()
    if keys.length > 0
      node[key] = {} unless node[key]?
      node = node[key]
    else
      node[key] = value
      break

isaksky

function video_info {
    ffprobe -v quiet -print_format json $1 -show_streams
}

isaksky

task :foo do
  puts "foo"
end

task :bar => "foo" do
  puts "bar"
end

task :baz do
  puts "baz"

isaksky

var process = Process.Start(new ProcessStartInfo("foo.exe"));
process.StandardInput.Write("sup");