leigh-johnson

from dateutil import rrule 
import datetime

# Generate ruleset for holiday observances on the NYSE

def NYSE_holidays(a=datetime.date.today(), b=datetime.date.today()+datetime.timedelta(days=365)):
    rs = rrule.rruleset()

    # Include all potential holiday observances
    rs.rrule(rrule.rrule(rrule.YEARLY, dtstart=a, until=b, bymonth=12, bymonthday=31, byweekday=rrule.FR)) # New Years Day  

leigh-johnson

This is a d3.js visualization of US zip codes.

Original zip code dataset from Geocommons.

5MB shapefile with properties such as zipcode, state, name, population, area, more.

http://geocommons.com/overlays/54893 (Thank you Bill Greer)

This converts it nicely:

leigh-johnson

// === Arrays

var [a, b] = [1, 2];
console.log(a, b);
//=> 1 2


// Use from functions, only select from pattern
var foo = () => [1, 2, 3];