This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
ArgumentError: wrong number of arguments (2 for 1) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class School | |
attr_accessor :roster | |
def initialize(school) | |
@roster = {} | |
end | |
def add_student(name, grade) | |
@roster[grade] ||= [] | |
@roster[grade] << name |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pigeons = [] | |
pigeon_list = {} | |
pigeon_data.each {|properties, properties_hash| pigeon_data[properties]. | |
each {|property, birds| pigeons += birds}} | |
pigeons.uniq! | |
pigeons.each do |pigeon| | |
pigeon_list[pigeon] = {:color => [], :gender => "", :lives => ""} | |
pigeon_data.each do |properties,properties_hash| |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pigeons = [] | |
pigeon_list = {} | |
pigeon_data.each {|props, vals| pigeon_data[props]. | |
each {|prop, bird_set| pigeons += bird_set}} | |
pigeons.uniq! | |
pigeons.each do |pigeon| | |
pigeon_list[pigeon] = {:color => [], :gender => "", :lives => ""} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
def create_groups(source, students, groups) | |
arr, src = [], source.shuffle | |
(students*groups/41+1).times {arr += src} | |
arr.slice!(((students*groups)-arr.size)..-1) | |
arr.each_slice(students).to_a | |
end | |
def get_students |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# sam's algorithm for solving these. | |
# first, lay out three panels: screen shot of data below, bash window, & subl for visualization | |
# second, drill down carefully solving for entire set of a kind for results | |
# third, apply the 'filter' or the conditional to narrow results | |
game = { | |
:home => { :team_name => "Charlotte Hornets", | |
:colors => ["Turquoise", "Purple"], | |
:players => [ |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
def reverse_each_word(sentence) | |
arr = [] | |
sentence.split.map do |word| | |
reversed = "" | |
i = 0 | |
while i < word.length | |
reversed << word[word.length-(i+1)] | |
i += 1 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Holiday suppliers | |
# You have a bunch of decorations for various holidays organized by season. | |
holiday_supplies = { | |
:winter => { | |
:christmas => ["Lights", "Wreath"], | |
:new_years => ["Party Hats"] | |
}, | |
:summer => { | |
:forth_of_july => ["Fireworks", "BBQ"] |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Movie collection by genre | |
movies = { | |
:animation => ["Incredibles", "Little Mermaid", "Cars"] | |
:comedy => ["Zoolander", "Groundhog Day"], | |
:drama => ["Little Women", "JFK", "Black Stallion"] | |
} | |
# Recipes with ingredients |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# You need to program the "Take a Number" feature for a deli. At the start, the deli is empty and is represented by an empty array. | |
# Build a method that a new customer will use when entering our deli. The method, take_a_number, should accept the current line of people, along with the new person's name, and return their position in line (and no 0 index, these are normal people, if they are 7th in line, tell them that, not 6). | |
def take_a_number(place, person) | |
place << person | |
place.length.to_s | |
end | |
# Build a method now_serving. This method should call out (via puts) the next person in line and remove them from the line. |
NewerOlder