Justin Joyce joocer

Lead Developer of Opteryx, a federated SQL query engine in Python.

joocer / color-gradient.js

Last active January 26, 2022 17:43 — forked from gskema/color-gradient.js

Generate gradient color from an arbitrary number of colors

	function colorGradient(colors, fadeFraction) {
	if (fadeFraction >= 1) {
	return colors[colors.length - 1]
	} else if (fadeFraction <= 0) {
	return colors[0]
	}

	let fade = fadeFraction * (colors.length - 1);
	let interval = Math.trunc(fade);
	fade = fade - interval

joocer / boolparser.py

Last active August 2, 2021 13:40 — forked from leehsueh/boolparser.py

Python Boolean Expression Parser/Evaluator

	"""
	Grammar:
	========
	Expression --> AndTerm { OR AndTerm}+
	AndTerm --> Condition { AND Condition}+
	Condition --> Terminal (>,<,>=,<=,==) Terminal \| (Expression)
	Terminal --> Number or String or Variable

	Usage:
	======

joocer / bplustree.py

Last active April 25, 2021 19:34 — forked from savarin/bplustree.py

Python implementation of a B+ tree

	"""
	B+Tree Code Adapted From:

	https://gist.github.com/savarin/69acd246302567395f65ad6b97ee503d

	No explicit license when accessed on 2nd March 2020.

	Other code:

	(C) 2021 Justin Joyce.