creativenucleus

```ruby
# Author: JR

isbn_in = IO.readlines( 'books.txt' );

isbn_in.each { |n|

	scan_digits = n.scan(/\d/)
	scan_filtered = scan_digits.join;

creativenucleus

Some Kind of Cosmic Jam
[James Rutherford, for TSC14 Poetry Slam]
=========================================

What is it *like* to be..
	..a Toward a Science of Consciousness attendee?

To take a biennial pilgrimage
	to sunny Tucson?
To drink in the talks

creativenucleus

// Takes a string and returns a stub suitable for a URL
// Mostly tested ;)

private function stubify($string) {
	// Replace anything that's not a whitelisted character...
	$string = preg_replace('/[^(a-z0-9\s_\-)]/i', '', $string);

	// Transform multiple spaces/underscores/dashes to dashes
	$string = preg_replace('/[\s_\-]{1,}/', '-', $string);

creativenucleus

// crc32 can give different results on 32 bit and 64 bit machines running PHP.
// If you have legacy stored CRC32 values to match against, this will convert them.

$crc32 = crc32($value);
if(PHP_INT_SIZE == 8) {
    // recast to 32 bit CRC on 64 bit machines...
	if($crc32 > 0x7FFFFFFF) {   // Negative bit is set
		$crc32 -= 0x100000000;
	}
}

creativenucleus

neca Traffic map

Urban Observatory dashboard

UO Rain Radar

Flow video 1m00s

Barographic video 0m30s

creativenucleus

// d1,d2: ellipse width/height
// r: rotation
function ellipf(x,y,d1,d2,r)
	-- i is the angle step. We increment this until we've passed 2*PI
	i=0.2
	
	for a=0,6.29+i,i do
		x1,y1=rotate(x,y,d1,d2,r,a)
		x2,y2=rotate(x,y,d1,d2,r,a+i)
		tri(x,y,x1,y1,x2,y2,2)