Giovanni Idili gidili

🐢

Probably eating pizza 🍕

Coder and co-founder @MetaCell and once upon a time @openworm

gidili / reproduce_flot_issue.html

Created July 14, 2012 00:40

reproduces a visual issue with flot on chrome

	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
	<html>
	<head>
	<script src="./js/jquery-1.7.2.min.js"></script>
	<script src="./js/jquery.flot.js"></script>
	<script type="text/javascript">
	var plot = null;
	var flotOptions = { yaxis: { min: -30, max: 125 }, xaxis: { show: false, min: 0, max: 100 }, series: { shadowSize: 0 }, grid: { backgroundColor: { colors: ["#fff", "#eee"] } } };

	function refreshChart(points)

gidili / flot_chrome_issue.js

Created July 14, 2012 15:50

Shows an issue on chrome when too many points are displayed

	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
	<title>Flot Examples</title>
	<script type="text/javascript" src="js/jquery-1.7.2.min.js"></script>
	<script type="text/javascript" src="js/jquery.flot.js"></script>
	</head>
	<body>
	<h1>Flot Examples</h1>

gidili / RandomNumberGenerator.java

Created July 30, 2012 14:09

Random Number Generator in java

	import java.util.Random;

	public class RandomNumberGenerator {
	public static final int MIN = 0;
	public static final int MAX = 1000000;

	public static int GenerateRandomNumber(){
	Random rand = new Random();

	// nextInt is normally exclusive of the top value,

gidili / TryParseInt.java

Created July 30, 2012 15:10

TryParse Integer in java

	public static Integer TryParseInt(String someText) {
	try {
	return Integer.parseInt(someText);
	} catch (NumberFormatException ex) {
	return null;
	}
	}

gidili / InvokeServlet.js

Created August 30, 2012 13:42

invoke servlet and transform json string into object

	// servlet is local to the app
	String requestURL = request.getRequestURL().toString();
	String servletPath = request.getServletPath();
	String serverPath = requestURL.substring(0,requestURL.indexOf(servletPath));
	URL url = new URL(serverPath + "/getScores");

	URLConnection conn = url.openConnection();
	conn.setConnectTimeout(12000);
	InputStream is = conn.getInputStream();

gidili / profanity_check.js

Created January 31, 2013 16:46

simple javascript profanity check

	// extend strings with the method "contains"
	String.prototype.contains = function(str) { return this.indexOf(str) != -1; };

	// profanities of choice
	var profanities = new Array("ass", "cunt", "pope");

	var containsProfanity = function(text){
	var returnVal = false;
	for (var i = 0; i < profanities.length; i++) {
	if(text.toLowerCase().contains(profanities[i].toLowerCase())){

gidili / random_masking.js

Created January 31, 2013 16:53

random string masking in javascript

	String.prototype.replaceAt=function(index, char) {
	return this.substr(0, index) + char + this.substr(index+char.length);
	}

	var REPLACEMENT_CHAR = "*";

	var TO = 5;
	var FROM = 4;

	var str = "Hello World";

gidili / runSort.java

Created March 10, 2013 15:50

Alternate sorting for PCI-SPH runSort step

	public int runSort(){
	// get values out of buffer
	Pointer<Integer> particleInd = _particleIndex.read(_queue);
	_queue.finish();

	int[] particleIndex = new int[_particleCount * 2];

	// copy to array of primitives
	for(int i = 0;i< _particleCount*2;i++){
	particleIndex[i] = particleInd.get(i);

gidili / allocateBuffers.java

Created April 9, 2013 10:18

allocateBuffers

	private void allocateBuffers(){
	// host allocated pointers (used to write values -- see lines 81/82 in setModels below)
	_positionPtr = Pointer.allocateFloats(_particleCount * 4);
	_velocityPtr = Pointer.allocateFloats(_particleCount * 4);

	// alternative buffer defining
	_acceleration = _context.createFloatBuffer(Usage.InputOutput, _particleCount * 4 * 2);
	_gridCellIndex = _context.createIntBuffer(Usage.InputOutput, _gridCellCount + 1);
	_gridCellIndexFixedUp = _context.createIntBuffer(Usage.InputOutput, _gridCellCount + 1);
	_neighborMap = _context.createFloatBuffer(Usage.InputOutput, _particleCount * SPHConstants.NEIGHBOR_COUNT * 2);

gidili / solveWithDeviceMemory.java

Last active December 17, 2015 02:29

Using only implicit copying - works fine with CPU but not with GPU

	public synchronized float[] solveWithDeviceMemory() {
	// Allocate native (device) memory for the input data
	CLBuffer<Float> bufIn = _context.createFloatBuffer(CLMem.Usage.Input, _input.length);
	// Allocate native (device) memory for the output data
	CLBuffer<Float> bufOut = _context.createFloatBuffer(CLMem.Usage.Output, _input.length);

	// Copy input data directly to device memory
	Pointer<Float> ptrIn = bufIn.map(_queue, CLMem.MapFlags.Write);
	ptrIn.setFloats(_input);
	bufIn.unmap(_queue, ptrIn);