georgespingos

georgespingos / gist:4317570

Last active December 9, 2015 19:28

Calculate Fibonacci without recursion or loops !! (Math hack)

	public static double SuperCoolFibonacci(int n)
	{
	return Math.Round((Math.Pow(0.5 + 0.5 * Math.Sqrt(5.0), n) - Math.Pow(0.5 - 0.5 * Math.Sqrt(5.0), n)) / Math.Sqrt(5.0), MidpointRounding.AwayFromZero);
	}

georgespingos / gist:4317529

Created December 17, 2012 11:14

One line FizzBuzz in C# (135 character)

Enumerable.Range(1, 20).ToList().ForEach(c => Console.WriteLine((c%15==0)?"FizzBuzz":((c%3==0)?"Fizz":(c%5==0)?"Buzz":c.ToString())));

georgespingos / gist:4276659

Last active October 13, 2015 23:58

Validate Greek IBAN

	import string
	def VAlidateIBAN_GR(IBAN):

	if len(IBAN) != 27 or IBAN[0].isalpha() == False or IBAN[1].isalpha() == False or IBAN[2:].isdigit() == False:
	return False;

	alph={};
	i=10;

	for x in string.ascii_uppercase:

georgespingos / gist:4275860

Created December 13, 2012 11:30

C# Validate AMKA

	public static bool ValidateAMKA(string AMKA)
	{
	double _numAMKA = 0;
	int sum = int.Parse(AMKA.Last().ToString());

	if (AMKA.Length != 11 \|\| !double.TryParse(AMKA, out _numAMKA))
	return false;
	else
	{
	int iter = AMKA.Length - 1;

georgespingos / gist:4275696

Created December 13, 2012 10:53

Python AMKA Validator (no string slice)

	def ValidateAMKA (amka):
	if len(amka) != 11 or amka.isdigit() == False:
	return False
	else:
	sum = int(amka[10])
	i = 0
	for s in amka[0:10]:
	if i%2 != 0:
	if int(s)* 2 > 9:
	sum += int(s)*2 % 10+1

georgespingos / gist:4275486

Created December 13, 2012 10:16

Python Validate AMKA

	def ValidateAMKA (amka):
	if len(amka) != 11 or amka.isdigit() == False:
	return False
	else:
	sum = int(amka[10])
	i = 0
	for s in amka[0:10]:
	if i%2 != 0:
	if int(s)* 2 > 9:
	sum += int(str(int(s)* 2)[0]) + int(str(int(s)* 2)[1])