happyrobots

# create remote tracking branch
git branch --track feature1 origin/master

happyrobots

lsof -w -n -i tcp:3000
fuser -n tcp 3000
netstat -anp|grep :3000[[:blank:]]

kill -9 pidnumber

happyrobots

http://user-contributions.org/wikis/userwiki/index.php?title=Bash-to-Ruby
http://www.grymoire.com/Unix/Sed.html
http://www.thegeekstuff.com/2009/12/unix-sed-tutorial-6-examples-for-sed-branching-operation/
http://www.catonmat.net/blog/sed-one-liners-explained-part-one/
http://www.catonmat.net/blog/awk-one-liners-explained-part-one/
http://sed.sourceforge.net/local/docs/emulating_unix.txt
http://www.eng.cam.ac.uk/help/tpl/unix/sed.html

Ruby:
File.read('somefile.txt').split("\n").join(" ")

happyrobots

describe "something", :focus => true do
  it 'does something'
end

rspec spec/something.rb:8
rspec spec/something.rb -t focus
rspec spec/something.rb -e 'example name'

happyrobots

module MyCoolModule
  class Configuration
    attr_accessor :my_value

    def initialize
      # set defaults
    end
  end

  def self.configure

happyrobots

:read !pbpaste
bash$ pbpaste | vim -
"*P

happyrobots

require 'JSON'

puts JSON.pretty_generate(JSON.parse('{"array":[1,2,3,{"sample":"hash"}],"foo":"bar"}'))

{
  "array": [
    1,
    2,
    3,
    {

happyrobots

git branch -m old_branch new_branch

happyrobots

#!/usr/bin/env ruby

require 'rubygems'
require 'nokogiri'
require 'open-uri'

heroku_status_url = "https://status.heroku.com"
doc = Nokogiri::HTML(open(heroku_status_url))
problems, problem_types = [], { "app" => "App Operations", "tools" => "Tools" }

happyrobots

#define SuperRandom (arc4random() % ((unsigned)RAND_MAX + 1))

float objectiveFunction(NSArray *vector) {
  float result = 0.0;
  for (id element in vector) {
    result += [element floatValue];
  }
  return result;
}