Deepakkoli93

def flatten(l):
    if len(l) == 0:
        return []
    first = l[0]
    if type(first) is list:
        return flatten(first) + flatten(l[1:])
    else:
        return [first] + flatten(l[1:])

Deepakkoli93

require 'daru'
require 'open-uri'
require 'csv'

@yahoo_base_url = "http://ichart.finance.yahoo.com/table.csv?"
def from_yahoo(sym, options)
	params = {}
	params[:s] = sym
	if options[:from]
		start_date = DateTime.parse(options[:from])