jimweirich

#!/usr/bin/ruby -wKU

if ARGV.empty?
  puts "Usage: pullrequest user:branch"
  exit 1
end

url = `git config --get remote.origin.url`
unless %r{([^/]+)\.git$} =~ url
  puts "Unable to determine repo from url (#{url})"

jimweirich

require 'parslet'

class Expressions < Parslet::Parser
  rule(:operator)  { match("[+*/-]").as(:op) }
  rule(:operation) { operator >> space >> vector.as(:args) }
  rule(:space)     { match('\s').repeat(1) }
  rule(:numbers)   { space >> number }
  rule(:vector)    { (number >> numbers.repeat(1)).as(:vec) }
  rule(:number)    { match("[0-9]").repeat(1).as(:number) }
  rule(:expr)      { vector | number | operation }

jimweirich

# in Norway
module Calendar
  module Holiday

    FEBRUARY = 2
    NOVEMBER = 11

    def mothersday(year)
      second_sunday_in(FEBRUARY, year)
    end

jimweirich

$ exuberant_ctags -e testdata/ruby/dog.rb 
$ cat TAGS
^L
(null),142
module Animal^?Animal^A1,0
  class Base^?Base^A5,34
  class Dog < Animal::Base^?Dog^A8,54
    def speak(string)^?speak^A11,111
    def wag^?wag^A15,165

jimweirich

#!/usr/bin/env ruby
# -*- ruby -*-

begin
  require 'rubygems'
rescue LoadError
end

exts = ['.rb', '.rhtml', '.erb', '.builder', '.haml', '.css', '.js', '.coffee', '.yml', '.yaml' ]
if ARGV[0] =~ /^(\+|\.[a-zA-Z0-9]+)$/

jimweirich

  class NavOptionDemo < NavOption
    include CFields

    uint32_t :ctrl_state               # Flying state (landed, flying,
                                       # hovering, etc.) defined in
                                       # CTRL_STATES enum.
    uint32_t :vbat_flying_percentage   # battery voltage filtered (mV)
    alias :battery_level :vbat_flying_percentage

    float32_t :theta                   # UAV's pitch in milli-degrees

jimweirich

loop do
   section = parse_section_from_binary_buffer(data)
   break if section.nil?
   data = data[section.size .. -1]
end

jimweirich

# I'm guessing that MRI and JRuby don't copy the array elements 
# when making a slice, they just reference the original copy with 
# new index bounds.  

$ rvm use ruby-1.9.3-p286
Using /Users/jim/.rvm/gems/ruby-1.9.3-p286
$ ruby mem.rb 
Before: 12716
After: 12744

jimweirich

class Bowling
  def score_rolls(rolls)
    init_rolls(rolls)
    score = 0
    frame = 0
    while frame < 10
      if strike?
        score += sum_of_next_rolls(3)
        consume(1)
      elsif spare?

jimweirich

class RomanNumeralConverter
  CONVERTS = {
    "I" => 1,
    "V" => 5,
    "X" => 10,
    "L" => 50,
    "C" => 100,
    "D" => 500,
    "M" => 1000,
  }