dstavis

Write a method mode which takes an Array of numbers as its input and returns an Array of the most frequent values.

If there's only one most-frequent value, it returns a single-element Array.

For example,

mode([1,2,3,3])         # => [3]
mode([4.5, 0, 0])       # => [0]
mode([1.5, -1, 1, 1.5]) # => [1.5]
mode([1,1,2,2])         # => [1,2]

dstavis

def median(array)

array.sort!
#if total number of items in the array is odd,
if array.length % 3 == 0
  #Figure out the index of the middle item. Which is one greater than half the length rounded down.
  middle_index = array.length / 2 + 1
  middle_index = middle_index.to_int
  #return the item at that index
  median = array[middle_index]

dstavis

#Write a method valid_triangle? which takes as its input three non-negative numbers.
def valid_triangle?(a, b, c)
  
  #if the three numbers could form the side lengths of a triangle
  if a**2 + b**2 == c**2
  #It should return true
    return true
  #and false otherwise.
    else 
    return false

dstavis

# longest_string is a method that takes an array of strings as its input
# and returns the longest string
#
# +array+ is an array of strings
# longest_string(array) should return the longest string in +array+
#
# If +array+ is empty the method should return nil
def longest_string(array)
  return nil if array.empty?
  

dstavis

Write a factorial method which takes as its input a non-negative integer and calculates the factorial of that number.

The factorial of a number is the product of all integers from 1 up to that number. For example:

factorial(5) == 5 * 4 * 3 * 2 * 1 == 120
The factorial of 0 is defined to be 1.

------------CODE-------------

dstavis

def super_fizzbuzz(array)
  
  #It should return a "fizzbuzzed" Array, i.e., the array is identical to the input with the following substitutions:

  array.each do |number|
  
  #Multiples of 3 should be replaced with the string "Fizz"
  #Multiples of 5 should be replaced with the string "Buzz"
  #Multiples of 15 should be replaced with the string "FizzBuzz"
    if number % 3 == 0

dstavis

class BoggleBoard

  def initialize(board)
    @board = board
  end
  
  # method that maps through each 
  def create_word(*coords)
    coords.map { |coord| @board[coord.first][coord.last] }.join("") #@board is a 2D array
  end

dstavis

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

dstavis

by David Stavis

Please leave feedback.

dstavis

Mod 0 Plan

Environment

1. Keep a separate desk exclusively for Turing work
2. Only ever use my Turing laptop for Turing work
3. Ensure that the work desk never gains an item of clutter

• The only item that may be placed atop the school desk is an item that is being used for school

Social Strategies