Created using browser-solidity: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://ethereum.github.io/browser-solidity/#version=soljson-v0.4.9+commit.364da425.js&optimize=undefined&gist=

PriceFeed_cryptocompare

// Ethereum + Solidity
// This code sample & more @ dev.oraclize.it

import "github.com/oraclize/ethereum-api/oraclizeAPI.sol";

contract PriceFeed is usingOraclize {
  uint public ETHUSD;
    
  function PriceFeed(){
    oraclize_setProof(proofType_TLSNotary | proofStorage_IPFS);
    update(0); // first check at contract creation
  }
    
  function __callback(bytes32 myid, string result, bytes proof) {
    if (msg.sender != oraclize_cbAddress()) throw;
    ETHUSD = parseInt(result, 2); // save it as $ cents
    // do something with ETHUSD
    //update(60); //recursive update disabled
  }
  
  function update(uint delay){
    oraclize_query(delay, "URL",
      "json(https://min-api.cryptocompare.com/data/price?fsym=ETH&tsyms=USD).USD");
  }
}

PriceFeed_cryptocompare-1

// Ethereum + Solidity
// This code sample & more @ dev.oraclize.it

import "github.com/oraclize/ethereum-api/oraclizeAPI.sol";

contract PriceFeed is usingOraclize {
  uint public ETHUSD;
    
  function PriceFeed(){
    oraclize_setProof(proofType_TLSNotary | proofStorage_IPFS);
    update(0); // first check at contract creation
  }
    
  function __callback(bytes32 myid, string result, bytes proof) {
    if (msg.sender != oraclize_cbAddress()) throw;
    ETHUSD = parseInt(result, 2); // save it as $ cents
    // do something with ETHUSD
    update(60); // schedule another check in 60 seconds
  }
  
  function update(uint delay){
    oraclize_query(delay, "URL",
      "json(https://min-api.cryptocompare.com/data/price?fsym=ETH&tsyms=USD).USD");
  }
}

PriceFeed_poloniex

// Ethereum + Solidity
// This code sample & more @ dev.oraclize.it

import "github.com/oraclize/ethereum-api/oraclizeAPI.sol";

contract PriceFeed is usingOraclize {
  uint public ETHUSD;
    
  function PriceFeed(){
    oraclize_setProof(proofType_TLSNotary | proofStorage_IPFS);
    update(0); // first check at contract creation
  }
    
  function __callback(bytes32 myid, string result, bytes proof) {
    if (msg.sender != oraclize_cbAddress()) throw;
    ETHUSD = parseInt(result, 2); // save it as $ cents
    // do something with ETHUSD
    //update(60); //recursive update disabled
  }
  
  function update(uint delay){
    // call oraclize and retrieve the latest USD/ETH price from Poloniex APIs
    oraclize_query(delay, "URL",
      "json(https://poloniex.com/public?command=returnTicker).USDT_ETH.last");
  }
}

PriceFeed_poloniex-1

// Ethereum + Solidity
// This code sample & more @ dev.oraclize.it

import "github.com/oraclize/ethereum-api/oraclizeAPI.sol";

contract PriceFeed is usingOraclize {
  uint public ETHUSD;
    
  function PriceFeed(){
    oraclize_setProof(proofType_TLSNotary | proofStorage_IPFS);
    update(0); // first check at contract creation
  }
    
  function __callback(bytes32 myid, string result, bytes proof) {
    if (msg.sender != oraclize_cbAddress()) throw;
    ETHUSD = parseInt(result, 2); // save it as $ cents
    // do something with ETHUSD
    update(60); // schedule another check in 60 seconds
  }
  
  function update(uint delay){
    // call oraclize and retrieve the latest USD/ETH price from Poloniex APIs
    oraclize_query(delay, "URL",
      "json(https://poloniex.com/public?command=returnTicker).USDT_ETH.last");
  }
}

SimpleDice

// Ethereum + Solidity
// This code sample & more @ dev.oraclize.it

import "github.com/oraclize/ethereum-api/oraclizeAPI.sol";

contract SimpleDice is usingOraclize {
  mapping (bytes32 => address) bets;
    
  function __callback(bytes32 myid, string result) {
    if (msg.sender != oraclize_cbAddress()) throw;
    if ((parseInt(result) > 3)&&(bets[myid].send(2)))
      log0('win'); // winner AND send didn't fail!
    else log0('lose'); // loser OR sending failed
  }
    
  function bet() {
    // we accept just test bets worth 1 Wei :)
    if ((msg.value != 1)||(this.balance < 2)) throw;
    rollDice();
  }
    
  function rollDice() private {
    bytes32 myid = oraclize_query("WolframAlpha",
                    "random number between 1 and 6");
    bets[myid] = msg.sender;
  }
}

Untitled

pragma solidity ^0.4.0;

contract SimpleStorage {
    uint storedData;

    function set(uint x) {
        storedData = x;
    }

    function get() constant returns (uint) {
        return storedData;
    }
}