nsonnadsnip

## parentData.js
(function(d, i, j){
        console.log('Method A: Parent data: ', data[j], 'Parent index: ', j);
        console.log('Method B: Parent data: ', this.parentNode.__data__);
        return d;
     });

## HTML skeleton
<!doctype html>
<html lang=en>
<head>
<meta charset=utf-8>
<title>blah</title>
</head>
<body>

</body>
</html>

## allButThis.js
function mouseOn () {
    var circleUnderMouse = this;
    d3.selectAll('.rectGroup').transition().style('opacity',function () {
        return (this === circleUnderMouse) ? 1.0 : 0.5;
    });
}

## tsv2csv.py
import sys
import csv

tabin = csv.reader(sys.stdin, dialect=csv.excel_tab)
commaout = csv.writer(sys.stdout, dialect=csv.excel)

for row in tabin:
  commaout.writerow(row)

## iterate_csv.py
import csv
import itertools

f = csv.reader(open('file.csv'))

for row in itertools.islice(f, 0, 50):
  print row

## slice_rows.sh
sed -n 16224,16482p filename > newfile
	(function(d, i, j){
	console.log('Method A: Parent data: ', data[j], 'Parent index: ', j);
	console.log('Method B: Parent data: ', this.parentNode.__data__);
	return d;
	});
	<!doctype html>
	<html lang=en>
	<head>
	<meta charset=utf-8>
	<title>blah</title>
	</head>
	<body>

	</body>
	</html>
	function mouseOn () {
	var circleUnderMouse = this;
	d3.selectAll('.rectGroup').transition().style('opacity',function () {
	return (this === circleUnderMouse) ? 1.0 : 0.5;
	});
	}
	import sys
	import csv

	tabin = csv.reader(sys.stdin, dialect=csv.excel_tab)
	commaout = csv.writer(sys.stdout, dialect=csv.excel)

	for row in tabin:
	commaout.writerow(row)
	import csv
	import itertools

	f = csv.reader(open('file.csv'))

	for row in itertools.islice(f, 0, 50):
	print row