achambers

require 'indextank'

client = IndexTank::Client.new("http://my-indextank-api-url.api.indextank.com")
index = client.indexes("my_index_name")

index.add()

print "Waiting for index to be ready"
while not index.running?
  print "."

achambers

gem install 'indextank'

achambers

module Tweet
    def save
      puts 'Tweet saved'
    end
end

class Foo
  include Tweet # Add methods from Tweet as Instances Methods
end

achambers

def withdraw account_number, withdrawal_amount do
  account = Account.find account_number

  unless account.sufficient_funds? withdrawal_amount do
    raise "Insufficient funds"
  end    

  #...more code...
end

achambers

public Account withdraw(long accountNumber, BigDecimal withdrawalAmount) {
  Account account = accountDao.get(accountNumber);

  if(!account.hasSufficientFunds(withdrawalAmount)) {
    throw new InsufficientFundsException();
  }

  //some code here

  return account;