Freestyle Sparring

echo "Hello, PHP folks!";

import pprint;pprint.pprint(zip(('Byte', 'KByte', 'MByte', 'GByte', 'TByte'), (1 << 10*i for i in xrange(5))))

function getRelativePath($base = '/', $target = '/')
{
  $out = array();
  
  $base_ex = explode('/', $base);
  $target_ex = explode('/', $target);
  
  //Find common ancestor
  $max = min(count($base_ex), count($target_ex));
  for($i = 0; $i < $max; $i++)
  {
    $b = $base_ex[$i];
    $t = $target_ex[$i];
    
    if($b != $t) break;
  }
  $common = $i;
  
  $diff = (count($base_ex) - 1) - $common;
  
  /*
  $diff = 0:
  Target:   /httpdocs/admin/
  Base:     /httpdocs/admin/
  
  $diff > 0:
  Target:   /httpdocs/
  Base:     /httpdocs/admin/
  */
  
  for($i = 0; $i < $diff; $i++)
  {
    $out[] = '..';
  }
  
  $rest = array_slice($target_ex, $common);
  
  $out = array_merge($out, $rest);
  
  if(count($out) == 0) $out[] = '.';
  
  return join('/', $out);
}

echo getRelativePath('/httpdocs/admin/', '/httpdocs/admin/img/icons/');
echo "\n";

echo getRelativePath('/httpdocs/admin/', '/httpdocs/admin/');
echo "\n";

echo getRelativePath('/httpdocs/admin/', '/httpdocs/img/');
echo "\n";

// sample Resource
function Resource(name){
  this.run = function(cb){
    console.log("resource ran: " + name)
    if (cb) cb()
  }
  var events = {}
  
  this.on = function(event, cb){
    events[event] = events[event] || []
    events[event].push(cb);
  }
  
  this.emit = function(event){
    var self = this;
    events[event].forEach(function(cb){
      cb(self);
    })
  }
}


function Pool(){
  this.ready = [];
  this.waiting = [];  
  this.resources = [];
}

Pool.prototype.checkout = function(cb)
{
    if (this.ready.length > 0)
    {
        this.ready.shift().run(cb);
    }
    else
    {
        this.waiting.push(cb);
    }
}

Pool.prototype.checkin = function(resource)
{
    if (this.ready.indexOf(resource) == -1){
      this.ready.push(resource);  
    }
    
    if (this.waiting.length > 0)
    {
        this.checkout(this.waiting.shift());
    }
}

Pool.prototype.register = function(resource)
{
    this.resources.push(resource);
    var self = this;
    resource.on('ready', function()
    {
        self.checkin(resource);
    });
}

(ns randu)

(defn randu-seq [x] (iterate #(mod (* 65539 %) 0x80000000) x))

var test = new Currying.TestCurrying();
test.testSequential();
test.testRandom();

module Collatz where

collatz :: Int -> [Int]
collatz n = n : collatz next
  where next | even n = n `div` 2
             | odd n = n * 3 + 1

pub fn powermod(n: u64, p: u64, m: u64) -> u64 {
	if p == 0 { return 1 % m }
	if p == 1 { return n % m }

	let mut r = powermod(n, p / 2, m);

	r = r * r % m;
	if p & 1 == 1 {
		r = r * n % m;
	}
	
	r
}

#[test]
fn test_powermod() {
	assert_eq!(powermod(2, 999999, 147), 50);
}

def get_prime_factorization(number):
    """Gets the prime factorization of a number, and returns it.

    @type number: float
    @param number: A float representing the number to be factored.
    """
    current_dividing_factor = float(number)
    if current_dividing_factor == 1.0 or current_dividing_factor == 0.0 or current_dividing_factor == -1.0:
        return [current_dividing_factor]
    
    factors = []
    # Catches all negative numbers and makes them positive.
    if current_dividing_factor < 0.0:
        factors.append(-1.0)
        current_dividing_factor *= -1.0
        
    # Catches all numbers not whole numbers and makes them whole numbers.
    if current_dividing_factor % 1.0 != 0.0:
        decimal_places = len(str(current_dividing_factor % 1.0)) - 2.0
        factors.append(10.0 ** (-decimal_places))
        current_dividing_factor *= 10.0 ** decimal_places
        
    # Gets all factors greater than 2.0 and adds them to the factor list.
    test_factor = 2.0
    while test_factor <= current_dividing_factor:
        if current_dividing_factor % test_factor == 0.0:
            factors.append(test_factor)
            current_dividing_factor /= test_factor
            test_factor = 2.0
        else:
            test_factor += 1.0
    return factors

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Factorisation {

	public static List<Integer> primeFactorsOf(int input) {

		List<Integer> pFactors = new ArrayList<>();
		long number = input;

		for (int i = 2; i <= number; i++) {
			if (number % i == 0) {
				pFactors.add(i);
				number /= i;
				i--;
			}
		}
		return pFactors;
	}

  public static void main(String[] args) {
    
  }
}