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(define image (line 0 0 'white))
(define (draw-line v1 v2)
  (set! image 
        (add-line image
                  (xcor-vect v1) ; x-coordinate ...etc
                  (ycor-vect v1)
                  (xcor-vect v2)
                  (ycor-vect v2)
                  'black)))

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(use '[clojure.contrib.duck-streams :only (reader read-lines)])

(defn build-sum-mtx [triangle]
  (let [len (count triangle)]
    (loop [mtx [] i 0]
      (cond
       (= i len) mtx
       :else (let [row (get mtx (dec i))
                   sum (fn [n j]
                         (let [a (or (get row (dec j)) 0)

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(325 (10 15) (6 17) (1 18))  ;; 325 = 10^2 + 15^ = 6^2 + 17^2 = 1^2 + 18^2
(425 (13 16) (8 19) (5 20))
(650 (17 19) (11 23) (5 25))

;; ...
;; ...
;; ...

(5050 (45 55) (17 69) (3 71))
(5125 (47 54) (34 63) (30 65))

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Programming Achievements: How to Level Up as a Developer

This gist is part of a blog post. Check it out at:

http://jasonrudolph.com/blog/2011/08/09/programming-achievements-how-to-level-up-as-a-developer

rdsr

Direct links to free Springer maths books (pdf versions)

duplicates = multiple editions

A Classical Introduction to Modern Number Theory,Kenneth IrelandMichael Rosen

A Classical Introduction to Modern Number Theory,Kenneth IrelandMichael Rosen

A Course in Arithmetic,Jean-Pierre Serre

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#!/usr/bin/env python2.6

"""
Python script to pull all reviews a user has commented on
Works with Review Board 2.0.18
"""

import site
site.addsitedir('/usr/local/linkedin/lib/python2.6/site-packages')