Andrew Gleave andrewgleave

andrewgleave / ComplexGradientView.swift

Created February 8, 2025 18:51

Complex Gradient Animation in SwiftUI - based on https://hturan.com/writing/complex-numbers-glsl

	import SwiftUI

	extension View {
	func complexGradientEffect(angle: Double, offset: Double) -> some View {
	let function = ShaderFunction(
	library: .default,
	name: "complexGradient"
	)
	let shader = Shader(function: function, arguments: [
	.boundingRect,

andrewgleave / main.go

Created March 2, 2018 14:55

pg_hashids trigger test

andrewgleave / GeoJSON2Couch.py

Last active August 29, 2015 14:15

Snippet to clean up and push KMZ->JSON data to a CouchDB instance. Routes are converted to LineStrings.

	import ijson
	from couchdbkit import (Document, Server, StringProperty, DictProperty)


	class Route(Document):
	id = StringProperty()
	geometry = DictProperty()
	properties = DictProperty()

andrewgleave / ContrastingColor.js

Last active August 29, 2015 14:03

Determine best contrast color (black/white) for a given color

	function hexToRgb(hex) {
	var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
	return result ? {
	r: parseInt(result[1], 16),
	g: parseInt(result[2], 16),
	b: parseInt(result[3], 16)
	} : null;
	}

	function contrastColor(color) {

andrewgleave / AnimatableComponent.js

Last active May 17, 2024 02:06

Keyframe animation support for React. Enables integration between React components and JS animation events.

	/** @jsx React.DOM */

	'use strict';

	var React = require('react');


	var AnimatableComponent = React.createClass({
	propTypes: {
	tag: React.PropTypes.component.isRequired,

andrewgleave / ContentEditableLabel.js

Last active September 15, 2016 09:32

An editable React.js label element based on the contenteditable attribute

	/** @jsx React.DOM */

	'use strict';

	var React = require('react');


	var ContentEditableLabel = React.createClass({
	propTypes: {
	tag: React.PropTypes.func,

andrewgleave / Django MailHide Template Tag

Created May 10, 2013 11:41

Django template tag for MailHide. Based on http://iamtgc.com/recaptcha-mailhide-template-filter-for-django/

	import base64
	import binascii
	from Crypto.Cipher import AES

	from django.template import Library
	from django.utils.safestring import mark_safe
	from django.conf import settings


	register = Library()

andrewgleave / gist:5362194

Created April 11, 2013 10:04

Mirror site to S3 using s3cmd and wget

	#optionally create two buckets and serve from root, redirecting www
	s3cmd mb --bucket-location=EU s3://example.com
	s3cmd mb --bucket-location=EU s3://www.example.com
	s3cmd ws-create --ws-index=index.html s3://example.com
	s3cmd ws-create s3://www.example.com
	#configure www redirect if necessary
	wget --mirror -p --html-extension --convert-links -e robots=off -P . http://example.com
	s3cmd put --recursive --exclude=".DS_Store" --acl-public example.com/ s3://example.com
	#create hosted zones and redirect DNS

andrewgleave / iOSMapKitFitAnnotations.m

Last active May 17, 2024 02:07

Zooms out a MKMapView to enclose all its annotations (inc. current location)

	MKMapRect zoomRect = MKMapRectNull;
	for (id <MKAnnotation> annotation in mapView.annotations) {
	MKMapPoint annotationPoint = MKMapPointForCoordinate(annotation.coordinate);
	MKMapRect pointRect = MKMapRectMake(annotationPoint.x, annotationPoint.y, 0, 0);
	if (MKMapRectIsNull(zoomRect)) {
	zoomRect = pointRect;
	} else {
	zoomRect = MKMapRectUnion(zoomRect, pointRect);
	}
	}