ELLIOTTCABLE

Lessons Learned

Be Confident

Tests build confidence. Write 'em. They'll save your ass, and they'll let you take a chainsaw to your code without being afraid of unintended consequences.

Be Lazy

ELLIOTTCABLE

class String
  def to_ascii_encode
    old_kcode, $KCODE = $KCODE, 'ascii'
    result = inspect[1..-2]
    $KCODE = old_kcode
    result
  end
end

ELLIOTTCABLE

def generic_select (item, default, object, method, options = {})
  obj = options[:object] || instance_variable_get("@#{object}")
  value = options[:value] || (obj.nil? ? obj : obj.send(method))
  value = value.to_s
  options[:size] = options[:size] || default unless default.blank?
  text_field(object, method, options) + '<div class="' + item + '_autocomplete autocomplete"></div>'
end

def generic_tag_select (item, default, name, value = nil, options = {})
  value = value.to_s

ELLIOTTCABLE

# This is a script to install both ruby 1.8.7 and 1.9.1, with suffixed binaries and symlinks

mkdir -p /usr/local/src ; cd /usr/local/src
wget ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.7-p160.tar.bz2
tar -xjvf ruby-1.8.7-p160.tar.bz2
cd ruby-1.8.7-p160
./configure --prefix=/usr --program-suffix=18 --enable-shared
make && sudo make all install

cd /usr/local/src

ELLIOTTCABLE

require 'wordlist'

# Get evil idea and swap in code words
print "Enter your new idea: "
idea = gets
Decoder::CodeWords.each do |real, code|
  idea.gsub!( real, code )
end

# Save the jibberish to a new file

ELLIOTTCABLE

#!/usr/bin/ruby19 -wKu
# Here's the problem: Ruby is playing the part of a deaf grandma. If I 
# don't ask her a question in upcase, she can't hear me. If I ask her any  
# question in upcase, she'll respond in the same fashion unless I shout BYE 
# to her. I need to shout BYE to her 3 times to escape her madness.

puts 'What is it dear?'
question = gets.chomp!
counter = 0
p 'DEBUG: before everything'

ELLIOTTCABLE

  def summer_monthly_usage
    @summer_monthly_usage ||= rates.summer_months_nbr.map{|month| monthly_usage[month - 1]}.inject(0){|sum, v| sum += v}
  end 

ELLIOTTCABLE

require('http')
  .createServer(function(request, response){
    response.sendHeader(200, {'Content-Type' : 'text/plain'});
    response.sendBody("zoom");
    response.finish();
  })
  .listen(8000);

ELLIOTTCABLE

fib ↼ function
  if({ @x = 0 | @x = 1 }, then: { @last(1) }, else: function)
    @last( callee(@1 - 1, ?) + callee(@1 - 2, ?) )

fib(5, { print(@) })

ELLIOTTCABLE

foo bar
=> foo['bar']


# assignment (no, this is impossible to handle in userspace without breaking/crippling lookup overloading)
... = ...


# methods (this is just syntactic sugar)
foo.bar