Roberto Bonvallet rbonvall

dλsfunctional programmer.

rbonvall / compare.py

Last active December 25, 2015 00:19

Helper functions for debugging deeply nested data structures on the console.

rbonvall / after.js

Last active January 4, 2016 03:59

	(function () {
	var width = 500, height = 200, padding = 40;
	var max = 10;
	var dataset = d3.range(10)
	.map(function () { return 1 + Math.random() * (max - 1); });

	// Coordinate scaling functions
	var x = d3.scale.linear()
	.domain([0, dataset.length])
	.range([padding, width - padding]);

rbonvall / comparito.py

Last active August 29, 2015 13:57

Compare two JSONable Python data structures and enumerate their differences

	#!/usr/bin/env python

	def add_to_path(path, item):
	return '{}[{}]'.format(path, repr(item))


	def dictcompare(old, new, path, differences):
	old_keys = set(old.keys())
	new_keys = set(new.keys())

rbonvall / redirect.py

Created April 4, 2014 20:36

Redirect both stdin and stdout of a process to a PyQt text edit.

	from PyQt4 import QtGui, QtCore, uic

	def p(x):
	print x

	class MainWindow(QtGui.QMainWindow):
	def __init__(self):
	QtGui.QWidget.__init__(self)
	uic.loadUi('redirect.ui', self)

rbonvall / gist:924e7c0727a0c6055dc8

Created May 1, 2014 02:38

Error compiling kakoune

	~/codigo/kakoune/src (master)$ git log -1 --oneline
	67559da file.cc: try more portable use of struct stat::st_mtime
	~/codigo/kakoune/src (master)$ LANG=C make
	g++ -std=gnu++11 -g -Wall -Wno-reorder -Wno-sign-compare -pedantic -DKAK_DEBUG -MMD -MP -MF .event_manager.d -c -o .event_manager.o event_manager.cc
	g++ -std=gnu++11 -g -Wall -Wno-reorder -Wno-sign-compare -pedantic -DKAK_DEBUG -MMD -MP -MF .buffer_manager.d -c -o .buffer_manager.o buffer_manager.cc
	g++ -std=gnu++11 -g -Wall -Wno-reorder -Wno-sign-compare -pedantic -DKAK_DEBUG -MMD -MP -MF .exception.d -c -o .exception.o exception.cc
	g++ -std=gnu++11 -g -Wall -Wno-reorder -Wno-sign-compare -pedantic -DKAK_DEBUG -MMD -MP -MF .selectors.d -c -o .selectors.o selectors.cc
	In file included from buffer.hh:6:0,
	from selection.hh:4,
	from selectors.hh:4,

rbonvall / gist:cb352ed714e40c66689a

Last active August 29, 2015 14:06

	def variable_dict(module):
	v = vars(module)
	return {x:v[x] for x in v if not x.startswith('__')}

	import a
	import b

	A = variable_dict(a)
	B = variable_dict(b)
	A.update(B)

rbonvall / gist:1fe47b09791114160dc6

Created December 30, 2014 18:08

Unicode characters in Java identifiers

	public class App {

	static String x8mil200µm; // micro symbol
	static String x7mil175μm; // mu letter
	static int aβc = 10;
	static final double π = 3.14159265359;

	public static void main(String[] args) {
	x8mil200µm = "Y";
	x7mil175μm = "N";

rbonvall / gist:b5f99b407af7a2709626

Created May 8, 2015 21:46

Extractors for numbers in strings

	object f {
	val floatingPointNumberPattern = """(\d+(?:[.]\d*))""".r
	def unapply(s: String): Option[Double] = s match {
	case floatingPointNumberPattern(x) ⇒ Some(x.toDouble)
	case _ ⇒ None
	}
	}

	object i {
	val nonNegativeIntegerPattern = """(\d+)""".r

rbonvall / zigzagify.py

Created February 2, 2016 20:59

	#!/usr/bin/env python

	from numpy import *

	#r = raw_input()
	r = 'Programming Puzzles & Code Golf'
	s = sign(diff(map(ord, r[0] + r)))
	c = cumsum(s)
	p = 2 * (max(c) - c) + 1
	w = max(p) + 1

rbonvall / 01-unos-tipos-con-opciones.scala

Last active April 5, 2016 13:03

Charla «Unos tipos con opciones».