gistfile1.js

// copy paste to nodejs
var web3 = require('web3');

web3.setProvider(new web3.providers.HttpProvider("http://localhost:8101"));
web3.eth.defaultAccount = web3.eth.accounts[0];

source = 'contract SimpleStorage {\n  uint public foo;\n\n  function SimpleStorage(uint y) {\n    foo = y;\n  }\n}\n'

compiled_contracts = web3.eth.compile.solidity(source)
contract = compiled_contracts.SimpleStorage

contractObject = web3.eth.contract(contract.info.abiDefinition)
contractObject.new(150, {from: web3.eth.defaultAccount, data: contract.code}, function(err, contract) {
  if (err) {
    console.log("error");
    console.error(err);
    return;
  }
  console.log("deployed at " + contract.address);
})

// wait for transaction to mine first before continuing!!
var SimpleStorageContract = web3.eth.contract(contract.info.abiDefinition);
var SimpleStorage = SimpleStorageContract.at(contractAddress);

console.log("value is " + SimpleStorage.foo() + " and it should be 150");