jsoffer’s gists

jsoffer / simplereader.c

Created February 28, 2016 12:09

libdwarf example

	/*
	Copyright (c) 2009, David Anderson; 2016, Jaime Soffer.
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:
	* Redistributions of source code must retain the above copyright
	notice, this list of conditions and the following disclaimer.
	* Redistributions in binary form must reproduce the above copyright
	notice, this list of conditions and the following disclaimer in the

jsoffer / pkg_graph.py

Created December 5, 2013 18:45

Plots the reverse dependences of a FreeBSD package, cleaned up to remove redundant edges

	import subprocess
	import networkx as nx
	import matplotlib.pyplot as plt

	from sys import argv

	root = argv[1]

	G = nx.DiGraph()

jsoffer / browser.py

Last active December 26, 2015 13:49

Navegador mínimo en Python y Webkit, toma 2. Incluye tabs. Basado en foobrowser (https://code.google.com/p/foobrowser/)

	#!/usr/bin/env python
	# -- coding: utf-8 --

	"""
	minimalistic browser levering off of Python, PyQt and Webkit

	Original: https://code.google.com/p/foobrowser/
	[email protected]

	+ tabs

jsoffer / browser.py

Last active December 26, 2015 08:49

Mini-navegador homebrew. Construído porque Opera está funcionando mal (por ejemplo, no guarda el buscador http://localhost:8000, que es un servicio interno, por default). Webkit. Mucha flexibilidad, pocas funciones.

	#!/usr/bin/env python
	# -- coding: utf-8 --

	"""
	A minimal web browser.
	Original: http://ralsina.me/weblog/posts/BB948.html

	Features:

	+++ verificar no tráfico no solicitado (startup, al menos)

jsoffer / freebsd_ports.py

Created October 16, 2013 16:10

Crea de manera ingenua una gráfica .dot que contiene las dependencias de los ports instalados en un sistema FreeBSD (9.1, requiere 'pkg' estilo pkgng)

	from subprocess import check_output

	data = check_output(["pkg", "info", "-a", "-d"])

	fuente = ''

	print "digraph Dependencias {"

	for linea in data.split('\n'):
	if linea:

jsoffer / gsearch.js

Last active December 25, 2015 11:38

Filtro para resultados de Google Search (que no use reescritura del url, etc)

	/* Uso: 'node gsearch.js'; en el navegador, 'http://localhost:8000/?q=la búsqueda' */

	var http = require('http')
	, url = require('url')
	, google = require('google-tools')
	, mu = require('mu2');

	mu.root = __dirname + '/templates';

	http.createServer(function (req, web_out) {

jsoffer / mixmusic.sh

Last active December 24, 2015 10:49

Mezcla una canción consigo misma

	# lame --decode song.mp3 song.wav

	WAV=$1
	OFFSET=$2

	# podría integrar los cambios en un solo comando,
	# sin usar archivos intermedios, con 'delay'

	# 'remix' hace el equivalente de 'pan', el canal
	# derecho aparece antes al hacer offset

jsoffer / gist:2283881

Created April 2, 2012 14:34

'top' output

	last pid: 1681; load averages: 0.02, 0.03, 0.00 up 0+01:53:18 09:35:32
	25 processes: 2 running, 22 sleeping, 1 waiting
	CPU: 2.3% user, 0.0% nice, 1.5% system, 0.0% interrupt, 96.2% idle
	Mem: 84M Active, 50M Inact, 32M Wired, 4K Cache, 34M Buf, 77M Free
	Swap: 512M Total, 2668K Used, 509M Free

	PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND
	1102 jaime 6 20 0 134M 98792K uwait 3:20 0.00% /home/jaime/OperaDownloads/opera-dir/lib/opera/opera -pd /hom
	820 jaime 1 20 0 69752K 58080K select 0:45 0.10% X -nolisten tcp (Xorg)
	808 jaime 1 20 0 16376K 7732K select 0:02 0.00% urxvtd -q

jsoffer / gist:1993795

Created March 7, 2012 15:27

Distinguiendo memoria virtual reservada de memoria actualmente usada

	/* reservando memoria, sin usarla */

	#include <unistd.h>
	#include <stdlib.h>

	#define PAGESIZE 4096
	#define SIZE 1212 * PAGESIZE

	int main() {
	int i;

jsoffer / gist:1672258

Created January 24, 2012 20:07

paradoja del cumpleaños, para 3 personas

	import Math.Combinat.Numbers
	import Data.Ratio

	-- OEIS A141765: el número de cadenas de longitud n en un alfabeto de
	-- longitud r que no repiten más de dos veces el mismo símbolo

	t :: Integer -> Integer -> Integer
	t r n = sum $ map g [a..r] where
	a = quot (n+1) 2
	g k = if n < k then 0 else

Jaime Soffer jsoffer