Julien Cayzac jcayzac

Software engineer & Physics nerd

jcayzac / getFileTree.js

Created May 8, 2012 08:17

	var fs = require('fs');

	/**
	* Asynchronously build a tree corresponding to the specified directory.
	*
	* @param dir Root directory.
	* @param cb Callback function with (err, tree) signature.
	*/
	function getFileTree(dir, cb) {
	var results = {};

jcayzac / FolderTraversal.js

Created May 10, 2012 07:33

	"use strict";

	var fs = require('fs'),
	path = require('path'),
	events = require('events'),
	async = require('async');

	function FolderTraversal(dir, filter) {
	function defaultFilter(v) {
	return v;

jcayzac / snippet.glsl

Created November 3, 2012 06:32

AR vertex shader (projects ECEF POI coordinates)

	// double clat = cos(viewer_lat * DEGREES_TO_RADIANS);
	// double slat = sin(viewer_lat * DEGREES_TO_RADIANS);
	// double clon = cos(viewer_lon * DEGREES_TO_RADIANS);
	// double slon = sin(viewer_lon * DEGREES_TO_RADIANS);
	// double N = WGS84_A / sqrt(1.0 - WGS84_E2 * slat * slat);
	// double viewer_x = (N + alt) * clat * clon;
	// double viewer_y = (N + alt) * clat * slon;
	// double viewer_z = (N * (1.0 - WGS84_E2) + alt) * slat;
	// for each poi i:
	// double cplat[i] = cos(plat[i] * DEGREES_TO_RADIANS);

jcayzac / non-string global constants.m

Created November 22, 2012 02:59

	NSNumber* const XXX;

	__attribute__((constructor)) static void createConstants() {
	@autoreleasepool {
	(NSNumber*)&XXX = [@1 retain];
	}
	}

	__attribute__((destructor)) static void destroyConstants() {
	[XXX release];

jcayzac / snippet.txt

Created December 8, 2012 07:49

dvd to ps3 mp4

	./ffmpeg -y -i ~/Desktop/BD/CHUGGINGTON_VOL_2.vob -vf "yadif=0:0:0,scale=iw*sar:ih,setsar=1" -r 25 -idct:v h264 -level 41 -c:v libx264 -profile:v high -preset:v slow -crf 18 -qmin 10 -qmax 51 -qcomp 0.7 -flags +loop -cmp +chroma -c:a copy \
	-map 0:0 \
	-map 0:1 -metadata:s:a:0 language=fre \
	-metadata title="Chuggington volume 2: Super Locos" -metadata album="Movies" \
	-f mp4 ~/Desktop/BD/Chuggington_vol2.mp4

jcayzac / test.html

Created December 14, 2012 05:00

	<!DOCTYPE html>
	<html>
	<head>
	<title>MathJax AsciiMath Test Page</title>
	<script type="text/javascript"
	src="https://c328740.ssl.cf1.rackcdn.com/mathjax/latest/MathJax.js?config=AM_HTMLorMML-full">
	</script>
	</head>
	<body>

jcayzac / ContactDiscovery.partial.mm

Created January 9, 2013 02:04

Accessing phone/facebook contacts in iOS

	#import <AddressBook/AddressBook.h>
	#import <Accounts/Accounts.h>
	#import <Social/Social.h>

	@interface ContactsDiscovery()
	@property (nonatomic, retain) ACAccountStore* accounts;
	@property (nonatomic, retain) ACAccountType* faceBookAccountType;
	@property (nonatomic, retain) ACAccount* faceBookAccount;
	@property (nonatomic, retain) id addressBook;
	@end

jcayzac / mathml-support-for-crappy-browsers.js

Last active December 11, 2015 02:08

MathML support for IE/older browsers

	(function (window) {
	"use strict"
	// TODO: should let people style mathml while mathjax gets loaded

	var d = window.document,
	ns = "http://www.w3.org/1998/Math/MathML", math = 'math',
	MutationObserver = window.MutationObserver \|\| window.WebKitMutationObserver,
	mfrac = d.createElementNS(ns, math).appendChild(d.createElementNS(ns, "mfrac")),
	div = d.createElement("div")

jcayzac / backlog.md

Last active December 16, 2015 00:58

backlog

if (![SLComposeViewController class]) return NO;
return [SLComposeViewController isAvailableForServiceType:SLServiceTypeFacebook];

#import <UIKit/UIKit.h>

jcayzac / math.yaml

Created June 14, 2013 07:12