Patrick Nelson patricknelson

## Allow Scale (Mobile browser bookmarklet)
javascript:document.querySelector(%22meta%5Bname=viewport%5D%22).setAttribute(%22content%22,%20%22%22);

## framework.php
<?php

/**
 * Include this file if you wish to tie into the SilverStripe framework to test your code in a separate workbench area
 * without having to build a page controller, data object and then go through the full request cycle. This is good for
 * rapid prototyping before rolling out any sort of final code. NOTE: This *is* suitable for use in the command line as
 * well.
 *
 * @author	Patrick Nelson, pat@catchyour.com
 * @since	2015-01-06

## example.php
<?php
class Foo extends Exception {}
class Bar extends Foo {} // Bar is a technically different but Foo-like exception.
class Baz extends Exception {}

try {
	throw new Foo();
} catch (Foo $e) {
	echo 'Case 1';
} catch (Baz $e) {

## cd-git.sh
cd() {
  if [ -d .git ] && [ ! -d $@ ]; then
    git checkout "$@"
  else
    command cd "$@"
  fi
}

## randomColor.js
function randColor() {
	var color = "#";
	for(var i = 1; i <= 3; i++ ) {
		var num = Math.round(Math.random() * 255);
		color += num.toString(16);
	}
	return color;
}

## dubtrack-tweaks.userscript.js
// This has moved to: https://github.com/patricknelson/dubtrack-tweaks

## silverstripe-exceptions.php
<?php

/**
 * SilverStripe doesn't typically use exceptions, but we may still need a programmatic method of encapsulating code
 * and catching errors. Here we can wrap code in a callback which will trigger an exception instead of user_error()'s.
 *
 * @param	callable	$closure
 * @throws	Exception
 */
function withExceptions(callable $closure) {

## silverstripe-injector-nestception.php
<?php

class Injector extends Nestception {

	// ... rest of class...

	public static function unnestTemp($callable) {
		// Retain current instance so we can revert back to it momentarily.
		$revertTo = self::inst();


## Quaternion.shader
// Full shader example demonstrating how to use a quaterionion to rotate a vertex around a specific point. Note that this is just a plain
// vanilla unlit shader which includes the necessary functions (see section below) and example code in the vertex shader.
//
// Forked from https://gist.github.com/nkint/7449c893fb7d6b5fa83118b8474d7dcb
// Converted from GLSL to Cg. For help with that, see https://alastaira.wordpress.com/2015/08/07/unity-shadertoys-a-k-a-converting-glsl-shaders-to-cghlsl/
//
// quaternion code from https://github.com/stackgl/gl-quat
// rotation from https://twistedpairdevelopment.wordpress.com/2013/02/11/rotating-a-vector-by-a-quaternion-in-glsl/

Shader "Unlit/Quaternion"

## OverrideControllerMaterial.cs
using UnityEngine;
using Valve.VR;

/// <summary>
/// Override the material and texture of the HTC Vive controllers, with your own material after SteamVR has loaded and
/// applied the original material. This is useful to help preserve interactions in the model itself.
///
/// NOTE: This is only compatible with the default HTC vive controllers (see UpdateControllerMaterial() below).
///
/// Modified by Patrick Nelson / chunk_split (pat@catchyour.com) from original "OverrideControllerTexture" class
	<?php

	/**
	* Include this file if you wish to tie into the SilverStripe framework to test your code in a separate workbench area
	* without having to build a page controller, data object and then go through the full request cycle. This is good for
	* rapid prototyping before rolling out any sort of final code. NOTE: This is suitable for use in the command line as
	* well.
	*
	* @author Patrick Nelson, pat@catchyour.com
	* @since 2015-01-06
	<?php
	class Foo extends Exception {}
	class Bar extends Foo {} // Bar is a technically different but Foo-like exception.
	class Baz extends Exception {}

	try {
	throw new Foo();
	} catch (Foo $e) {
	echo 'Case 1';
	} catch (Baz $e) {
	cd() {
	if [ -d .git ] && [ ! -d $@ ]; then
	git checkout "$@"
	else
	command cd "$@"
	fi
	}
	function randColor() {
	var color = "#";
	for(var i = 1; i <= 3; i++ ) {
	var num = Math.round(Math.random() * 255);
	color += num.toString(16);
	}
	return color;
	}
	<?php

	/**
	* SilverStripe doesn't typically use exceptions, but we may still need a programmatic method of encapsulating code
	* and catching errors. Here we can wrap code in a callback which will trigger an exception instead of user_error()'s.
	*
	* @param callable $closure
	* @throws Exception
	*/
	function withExceptions(callable $closure) {
	<?php

	class Injector extends Nestception {

	// ... rest of class...

	public static function unnestTemp($callable) {
	// Retain current instance so we can revert back to it momentarily.
	$revertTo = self::inst();
	// Full shader example demonstrating how to use a quaterionion to rotate a vertex around a specific point. Note that this is just a plain
	// vanilla unlit shader which includes the necessary functions (see section below) and example code in the vertex shader.
	//
	// Forked from https://gist.github.com/nkint/7449c893fb7d6b5fa83118b8474d7dcb
	// Converted from GLSL to Cg. For help with that, see https://alastaira.wordpress.com/2015/08/07/unity-shadertoys-a-k-a-converting-glsl-shaders-to-cghlsl/
	//
	// quaternion code from https://github.com/stackgl/gl-quat
	// rotation from https://twistedpairdevelopment.wordpress.com/2013/02/11/rotating-a-vector-by-a-quaternion-in-glsl/

	Shader "Unlit/Quaternion"
	using UnityEngine;
	using Valve.VR;

	/// <summary>
	/// Override the material and texture of the HTC Vive controllers, with your own material after SteamVR has loaded and
	/// applied the original material. This is useful to help preserve interactions in the model itself.
	///
	/// NOTE: This is only compatible with the default HTC vive controllers (see UpdateControllerMaterial() below).
	///
	/// Modified by Patrick Nelson / chunk_split (pat@catchyour.com) from original "OverrideControllerTexture" class