nicolamontecchio

#include <iostream>
#include <sndfile.h>
using namespace std;

/**
 * Convert an audio file to mono format (input in first arg, output in second)
 */
int main(int argc, char** argv)
{
    if (argc != 3)

nicolamontecchio

#!/usr/bin/env python
import os
import optparse

def processfile(fi, fo) :
	print 'lame --decode --quiet %s %s' % (fi,fo)

if __name__ == '__main__':
    # parse options
    parser = optparse.OptionParser()

nicolamontecchio

// print out a vector of type T on stdout 
template <typename T>
void printClVector(cl_mem &clVector, int length, cl_command_queue &commands, int printrowlen = -1)
{
	T *tmp = new T[length];
	int err = clEnqueueReadBuffer(commands, clVector, CL_TRUE, 0, sizeof(T) * length, tmp, 0, NULL, NULL );  
	if (err != CL_SUCCESS)
	{
		printf("Error: Failed to read output array! %d\n", err);
		exit(1);

nicolamontecchio

#!/usr/bin/env python
import urllib, urllib2, StringIO
from lxml import etree

apikey = 'YOUR APY KEY'

def getTags(artist,track) :
    params = urllib.urlencode([('method','track.gettoptags'), ('artist',artist),('track',track),('api_key',apikey)])
    url = 'http://ws.audioscrobbler.com/2.0/?' + params
    root = etree.parse(urllib2.urlopen(url))

nicolamontecchio

#!/usr/bin/Rscript
d <- as.matrix(read.csv2(file("stdin"), header=FALSE, sep=","))
ca <- commandArgs(trailingOnly=TRUE)
pdf(file=ca[1], width=12, height=6)
plot(d[,1:2], type='n')
lines(d)
dev.off()

nicolamontecchio

class Filter(object):
    """ Linear Filter, notation is similar to matlab's filter function """
    
    def __init__(self, b, a, xinit, yinit):
        self.b = np.array(b)
        self.a = np.array(a)
        self.x = np.array(xinit)[::-1]
        self.y = np.array(yinit)[::-1]
        
    def tick(self, x) :

nicolamontecchio

# subplots:
layout(matrix(c(1,2), 2, 1, byrow = TRUE)) # first matrix defines "occupancy"
# then do all the plot() commands, one per figure

dev.new(width,height)

# FONT STUFF
par(family="serif")

plot(x,y, log="x", type='l', xlab='blabla', ylab='blabla', axes=FALSE)

nicolamontecchio

# list of lists:
import itertools
list(itertools.chain.from_iterable(a))

# logging stuff
import logging
logging.basicConfig(level=logging.DEBUG)
logging.debug('This message should go to the log file')
logging.info('So should this')

nicolamontecchio

#let's say f_TI is something like
#void blabla(int *data, int data_length);
#then

f_TI.argtypes = [ctypes.POINTER(ctypes.c_int), ctypes.c_int]
lll = [4,7,2,8]
lll_c = (ctypes.c_int * len(lll))(*lll)
f_TI(lll_c, len(lll))

nicolamontecchio

merge two libs:
lipo -create libfftw3f-i386.a libfftw3f-ppc.a -output libfftw3f.a