amasad

#lang racket

(require 2htdp/image
         2htdp/universe)

; Cell object.
(define make-cell
  (lambda (x y)
    (list (list x y) #f)))

jimbojsb

Step 0:

Get Homebrew installed on your mac if you don't already have it

Step 1:

Install highlight. "brew install highlight". (This brings down Lua and Boost as well)

Step 2:

Janiczek

@_1 = ->

  # sum of multiples of 3 or 5 (not both) under 1K

  answer = 0

  for n in [1...1000]
    if n % 3 == 0 or n % 5 == 0
      answer += n

DmitrySoshnikov

// by Dmitry Soshnikov <dmitry.soshnikov@gmail.com>
// MIT Style License 

*Classification of classes:*

=============================================================================
                |     Dynamic                   |    Static
-----------------------------------------------------------------------------
                |                               |
                | Coffee, Python, Ruby,         |   SmallTalk, built-in

DarrenN

# Project Euler #3 -> http://projecteuler.net/index.php?section=problems&id=3
# Q: What is the largest prime factor of the number 600851475143 ?

# Generate a Sieve of Eratosthenes (an array loaded with prime numbers)
primes = []
sieve = (set, pos) ->
  return false if pos >= set.length
  if set[pos] * set[pos] < set[set.length-1]
    primes = (x for x in set when x == set[pos] or x % set[pos] != 0)
  return sieve(primes,pos+1)