jdelafon’s gists

jdelafon / mandlebrot.js

Last active January 19, 2018 15:55

Mandelbrot fractal in a canvas


	// Ref: http://progur.com/2017/02/create-mandelbrot-fractal-javascript.html

	(function() {

	var myCanvas = document.createElement("canvas");
	myCanvas.width = 600;
	myCanvas.height = 600;
	document.body.appendChild(myCanvas);
	var ctx = myCanvas.getContext("2d");

jdelafon / simulateClick.js

Created December 11, 2017 13:45

Simulate a click on a DOM element in Javascript

	function fireEventClick(elem){
	if(document.createEvent){
	var e = document.createEvent('MouseEvents');
	e.initMouseEvent('click', /* Event type */
	true, /* Can bubble */
	true, /* Cancelable */
	document.defaultView, /* View */
	1, /* Mouse clicks */
	0, /* Screen x */
	0, /* Screen y */

jdelafon / timer.py

Created July 21, 2017 13:52

Python timers


	def timer(function):
	""" A decorator that makes the decorated function return its execution time."""
	@functools.wraps(function)
	def wrapper(args, *kwargs):
	t1 = time.time()
	result = function(args, *kwargs)
	t2 = time.time()
	print(" @time '{}': {:.4f} s.".format(str(function), t2-t1))
	return result

jdelafon / currentTimestamp.js

Created March 13, 2017 10:16

JS current timestamp


	// Compatible with java.sql.Timestamp/MySQL

	(new Date (
	(new Date((new Date(new Date())).toISOString())).getTime()
	- ((new Date()).getTimezoneOffset()*60000)
	)).toISOString().slice(0, 19).replace('T', ' ');

	// "2017-03-13 11:08:56"

jdelafon / github.jsx

Created July 26, 2016 14:11

GitHub svg icon

jdelafon / ndim_array.js

Last active July 14, 2016 08:55

Initialize a n-dimensional array in Javascript

	/*
	* Recursive function to initialize a n-dimensional array.
	* @param *dims:
	*/

	function emptyArray(dims) {
	var arr = new Array(dims \|\| 0);
	var i = dims;
	if (arguments.length > 1) {
	var args = Array.prototype.slice.call(arguments, 1);

jdelafon / selenium_js_click.py

Created July 6, 2016 15:09

When Selenium's click() method fails, use JS instead.


	# elt: WebElement

	def robust_click(self, elt):
	"""Click on the element, for the click() method is bugged half of the time"""
	self.driver.execute_script("arguments[0].scrollIntoView(true);", elt)
	action = ActionChains(self.driver)
	action.move_to_element(elt).click().perform()

	def js_click(self, elt):

jdelafon / streaming.scala

Created July 5, 2016 08:31

Streaming a binary file in Scala Play 2.4.5

	import java.io.FileInputStream
	import java.nio.file.Paths
	import play.api.http.HttpEntity

	import akka.stream.scaladsl.StreamConverters
	import play.api.mvc._
	import play.api.http.MimeTypes._
	import play.api.http.HeaderNames._
	import play.api.http.Status._

jdelafon / receipes.scala

Last active July 3, 2017 12:44

Scala receipes


	/**
	* Return a Map[String,Any] of the field -> value pairs of the attributes of a class `c`.
	*/
	def classToMap(c: AnyRef): Map[String, Any] =
	// 'fold' syntax, starting with an empty map
	(Map[String, Any]() /: c.getClass.getDeclaredFields) {(a, f) =>
	f.setAccessible(true)
	a + (f.getName -> f.get(c))
	}

jdelafon / gaussian_mixtures.r

Created June 29, 2016 11:50

Demonstration of Gaussian mixture models for bioinfo-fr


	set.seed(100)
	data = c(rnorm(1000,mean=2,sd=1),rnorm(400,mean=6,sd=1.5))

	# linear
	plot(sample(data), rep(0,length(data)), pch=4)

	# with hist
	hist(data, freq=FALSE, breaks=100)
	points(sample(data), rep(0,length(data)), pch=4)

Julien Delafontaine jdelafon