cindywu

Keybase proof

I hereby claim:

• I am cindywu on github.
• I am cindywu (https://keybase.io/cindywu) on keybase.
• I have a public key whose fingerprint is 7FF7 97E2 A860 CCC4 2611 7B7B FD36 D4EE 837A 9972

To claim this, I am signing this object:

cindywu

(define count 1)

(define (crackle-pop count n)
  (cond ((and (= 0 (remainder count 3))(= 0 (remainder count 5))) (display "CracklePop\n"))
    ((= 0 (remainder count 3))(display "Crackle\n"))
    ((= 0 (remainder count 5))(display "Pop\n"))
    (else (display count)(display "\n")))
  (if (> n count) (crackle-pop (+ count 1) n)))

(crackle-pop count 100)

cindywu

; this works!
; (crackle-pop 15) returns 1514131211109876543210
(define (crackle-pop n)
  (display n)
  (if (> n 0) (crackle-pop (- n 1))))

; show crackle if divisible by 3
; (crackle-pop 15) returns Crackle1413Crackle1110Crackle87Crackle54Crackle21Crackle
(define (crackle-pop n)
  (if (= 0 (remainder n 3))

cindywu

(define answers
  '("It is certain."
    "It is decidedly so."
    "Without a doubt."
    "Yes -- definitely."
    "You may rely on it."
    "As I see it, yes."
    "Most likely."
    "Outlook good."
    "Yes."

cindywu

(defun guess-my-number()
  (ash (+ *small* *big*) -1))

(defun smaller ()
  (setf *big* (1- (guess-my-number)))
  (guess-my-number))

(defun bigger ()
  (setf *small* (1+ (guess-my-number)))
  (guess-my-number))

cindywu

;server
(defparameter my-socket (socket-server 4321))
(defparameter my-stream (socket-accept my-socket))

;client
(defparamenter my-stream (socket-connect 4321 "127.0.0.1"))
(print "Yo Server!" my-stream)

;client recieves
(read my-stream)

cindywu

# new_game = TicTacToe.new
# new_game.play
class TicTacToe
  def initialize(board = nil)
    @board = ["1", "2", "3", "4", "5", "6", "7", "8", "9"]
  end

  def display_board(board)
    puts "|#{board[0]}|#{board[1]}|#{board[2]}|"
    puts "|#{board[3]}|#{board[4]}|#{board[5]}|"

cindywu

(define board '(1 2 3 4 5 6 7 8 9))

(define win-combos '((1 2 3) (4 5 6) (7 8 9) (1 4 7) (2 5 8) (3 6 9) (1 5 9) (3 5 7)))

(define (won win-combos board)
  (cond
    ((null? win-combos)#f)
    ((equal? '(x x x) (returncombostate (car win-combos) board)) #t)
    ((equal? '(o o o) (returncombostate (car win-combos) board)) #t)
    (else

cindywu

(define board '(1 2 3 4 5 6 7 8 9))

(define win-combos '((1 2 3) (4 5 6) (7 8 9) (1 4 7) (2 5 8) (3 6 9) (1 5 9) (3 5 7)))

(define (won win-combos board)
  (cond
    ((null? win-combos)#f)
    ((equal? '(x x x) (returncombostate (car win-combos) board)) #t)
    ((equal? '(o o o) (returncombostate (car win-combos) board)) #t)
    (else

cindywu

// import Tokenizer and HasingTF... you might need IDF later?
import org.apache.spark.ml.feature.{HashingTF, IDF, Tokenizer}
// import Pipeline
import org.apache.spark.ml.Pipeline

// 4.1 extracting features

def extract(rawData: RawData): Feature = ???

// 4.2 extracting word features from squawks