JakeCoxon’s gists

JakeCoxon / state-example.js

Created January 8, 2017 07:05

	const HelpText = (props) =>
	<div {...props} style={css`
	font-family: Helvetica;
	padding: 10px;
	background-color: white;
	border: 1px inset #ccc;
	`} />;

	const state = observable({ value: 0 });

JakeCoxon / texgen-example.js

Last active January 8, 2017 06:42

	// texgen.js - http://github.com/mrdoob/texgen.js
	let TG={OP:{SET:function(a,b){return b},ADD:function(a,b){return a+b},SUB:function(a,b){return a-b},MUL:function(a,b){return a*b},DIV:function(a,b){return a/b},AND:function(a,b){return a&b},XOR:function(a,b){return a^b},MIN:function(a,b){return Math.min(a,b)},MAX:function(a,b){return Math.max(a,b)}},Texture:function(a,b){this.color=new Float32Array(4);this.buffer=new TG.Buffer(a,b);this.bufferCopy=new TG.Buffer(a,b)}};
	TG.Texture.prototype={constructor:TG.Texture,set:function(a,b){void 0===b&&(b=TG.OP.SET);this.bufferCopy.copy(this.buffer);var c=["var x = 0, y = 0;\nvar array = dst.array;\nvar width = dst.width, height = dst.height;\nfor ( var i = 0, il = array.length; i < il; i += 4 ) {","\t"+a.getSource(),"\tarray[ i ] = op( array[ i ], color[ 0 ] * tint[ 0 ] );\n\tarray[ i + 1 ] = op( array[ i + 1 ], color[ 1 ] * tint[ 1 ] );\n\tarray[ i + 2 ] = op( array[ i + 2 ], color[ 2 ] * tint[ 2 ] );\n\tif ( ++x === width ) { x = 0; y ++; }\n}"].join("\n");
	(

JakeCoxon / gist:873008ee1d67ffabbdb1695817cf3071

Created January 1, 2017 15:02

	const show = (children) =>
	<svg style={{border:'1px solid #ccc', height:500}}>{children}</svg>

	const circles = _.range(20).map(x => {
	return <circle
	cx={25 + x * 25}
	cy={x % 2 == 0 ? 45 : 20}
	fill="black"
	r={10} />
	});

JakeCoxon / gist:7afcca88f9a4888b79c76856e0544aaf

Created January 1, 2017 15:02

	class Canvas extends React.Component {
	componentDidMount() {
	this.props.draw(this.refs.a.getContext('2d'));
	}
	render() {
	const { width, height } = this.props;
	return <canvas ref='a'
	width={width}
	height={height}
	style={{width, height}}/>

JakeCoxon / index.js

Last active March 26, 2022 20:51

Firebase Mobx


	import _ from 'https://npmcdn.com/[email protected]'
	import 'https://npmcdn.com/[email protected]/firebase.js'


	var config = {
	apiKey: "AIzaSyCNV9EVtgHpNCHJoRe8xwkCRIpKZ3IFI_M",
	authDomain: "example-app-ccfdb.firebaseapp.com",
	databaseURL: "https://example-app-ccfdb.firebaseio.com",
	storageBucket: "",

JakeCoxon / ramda-bind.js

Last active August 5, 2016 14:56

Wrap ramda to work nice with the bind operator

	import ramda from 'ramda'
	import Immutable from 'immutable'

	const applyWildcard = (array, val) => {
	const wildIndex = ramda.findIndex(x => x === __, array);
	return wildIndex > -1 ? ramda.update(wildIndex, val, array) : array.concat([val]);
	}

	const toThisFunction = (func) => {
	return _.isFunction(func) ? function(...args) {

JakeCoxon / fizzbuzz.js

Created August 6, 2015 11:01

JakeCoxon / fzf-alias.bash

Last active August 29, 2015 14:25

	a() {
	local cmd
	cmd="$(alias \| sed "s/^alias $..$=\'$.$\'/\1#\2/" \| column -t -s $'#' 2> /dev/null \| fzf \| sed "s/^[^ ]* *//")"
	if [ -n "$cmd" ]; then
	echo $cmd
	eval $cmd
	fi
	}

JakeCoxon / gist:d8f86261af87cffe4922

Last active August 22, 2017 17:25

MOV to GIF

	ffmpeg -i input.mov -filter:v "setpts=2.0*PTS" -s 187x333 -pix_fmt rgb8 -r 10 -f gif - \| gifsicle --optimize=3 > out.gif

	# Explanation
	ffmpeg -i input.mov \ # Input file
	-filter:v "setpts=2.0*PTS" \ # Scale time 2x
	-s 187x333 \ # Set pixel size
	-pix_fmt rgb24 \ # Pixel format
	-r 10 \ # Set framerate
	-f gif - \| \ # Output gif format
	gifsicle \ # Optimize the ffmpeg gif

JakeCoxon / store-component.js

Last active August 29, 2015 14:19

Higher-order Hoverboard Store Component

	import React from 'react';

	export default Store => ComposedComponent => React.createClass({

	getInitialState() {
	return Store.getState();
	},

	componentDidMount() {
	this.unsubscribe = Store.getState(state => this.setState(state));

	a() {
	local cmd
	cmd="$(alias \| sed "s/^alias \(..\)=\'\(.\)\'/\1#\2/" \| column -t -s $'#' 2> /dev/null \| fzf \| sed "s/^[^ ]* *//")"
	if [ -n "$cmd" ]; then
	echo $cmd
	eval $cmd
	fi
	}

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