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@bricejlin
bricejlin / mutliSum.js
Created September 3, 2015 01:11
multidimensional arr sum
var multiArr = [[3,4],[4,1],[1,1]];
var sum = multiArr.map(function (arr) {
return arr.reduce(add, 0);
}).reduce(add, 0);
function add (a, b) {
return a + b;
}
age = 979_000_000 / (60 * 60 * 24 * 365.0)
puts "%.2f" % age
@bricejlin
bricejlin / gist:6399326
Created August 31, 2013 16:42
ruby learning wk 2 ex 1
s = <<-STRING
Line 1: Welcome to the forum.
Line 2: Here you can learn Ruby.
Line 3: Along with other members.
STRING
puts s
@bricejlin
bricejlin / gist:6399502
Last active December 22, 2015 01:49
ruby learning wk 2 ex 3
def leap_year?(year)
if year % 100 == 0
year % 400 == 0 ? true : false
else
year % 4 == 0 ? true : false
end
end
def minutes_in_year(year)
if leap_year?(year)
@bricejlin
bricejlin / gist:6399841
Created August 31, 2013 18:27
ruby learning wk 2 c 1
def prompt(question)
puts question
answer = gets.chomp
end
def leap_year?(year)
if year % 100 == 0
true if year % 400 == 0
else
true if year % 4 == 0
end
end
def minutes_in_year(year)
if leap_year?(year)
def reverse_string(string)
string.split(' ').reverse.join(' ')
end
puts reverse_string('this is a string!')
def fizz_buzz
(1..100).map do |num|
f = num % 3 == 0 ? 'Fizz' : nil
b = num % 5 == 0 ? 'Buzz' : nil
f || b ? "#{f}#{b}" : num
end
end
puts fizz_buzz
string = 'this is a string'
arr = string.split(' ')
print arr.reverse.join(' ')