simpleprogrammer-shared

public static IEnumerable<string> GetPermutations(string s)
{
    if (s.Count() > 1)
        return from ch in s
               from permutation in GetPermutations(s.Remove(s.IndexOf(ch), 1))
               select string.Format("{0}{1}", ch, permutation);
 
    else
        return new string[] { s };
}

simpleprogrammer-shared

public static List<string> Permutations(string s)
{
      if (s.Length == 1)
      {
            return new List<string> { s };
      }
 
      List<string> permutations = new List<string>();
 
      foreach (char c in s)

simpleprogrammer-shared

public static void FizzBuzz()
{
    Dictionary<Func<int, bool>, Func<int, string>> rules = new Dictionary<Func<int, bool>, Func<int, string>>();
    rules.Add(x => x % 3 == 0, x => "fizz");
    rules.Add(x => x % 5 == 0, x => "buzz");
    rules.Add(x => x % 5 != 0 && x % 3 != 0, x => x.ToString());
    rules.Add(x => true, x => "\n");
 
    var output = from n in Enumerable.Range(1, 100)
                 from f in rules

simpleprogrammer-shared

ar salesMan = GetSalesMan();
var noOfOrders = GetSalesManNoOfOrders(salesMan);
var customers = GetSalesManCustomers(salesMan);
var provision = GetSalesManProvision(salesMan);
// etc.

simpleprogrammer-shared

// In fighting code
switch(classType)
{
    case WARRIOR:
          swingSword();
          break;
    case MAGE:
          castSpell();
          break;
    case THIEF:

simpleprogrammer-shared

String newWord =""
for(int index = oldWord.Length – 1; index <= 0; index—)
   newWord += oldWord[index];
return newWord;

simpleprogrammer-shared

var a = “first variable”;

function myfunction () {
  var b = “ second variable”;
  console.log(b);
}

console.log(a) // => ‘first variable’
myfunction();   //=> ‘second variable’

simpleprogrammer-shared

private apocalypseStateMachine = new ApocalypseStateMachine();
 
public ApocalypseScenario CreateNew()
{
    if(apocalypseStateMachine.State == States.PENGUIN_SLAUGHTER)
        return new ApocalypseScenario("Penguin Apocalypse, Code Blue");
}

simpleprogrammer-shared

public interface ILostOrderService
{
    IEnumerable<Orders> GetLostOrders(int customerId);
    IEnumerable<Customer> GetCustomerWithLostOrders()
}
 
public class LostOrderServiceWrapper : ILostOrderService
{
    public IEnumerable<Orders> GetLostOrders(int customerId)
    {

simpleprogrammer-shared

public void LoginAsCustomer(LoginInfo loginInfo, CustomerType customerType = CustomerType.NEW_CUSTOMER, int numberOfTries = 3)
{
  // ...
}
 
var loginInfo = new LoginInfo("Darth Vader", "ihatewookes");
LoginAsCustomer(loginInfo);

// What if we need to override a default? No problem.