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@endolith
endolith / frequency_estimator.py
Last active February 26, 2025 04:36
Frequency estimation methods in Python
from __future__ import division
from numpy.fft import rfft
from numpy import argmax, mean, diff, log, nonzero
from scipy.signal import blackmanharris, correlate
from time import time
import sys
try:
import soundfile as sf
except ImportError:
from scikits.audiolab import flacread
@atsuya
atsuya / browser
Created December 6, 2011 07:30
websocket binary data test - socket.io
io.sockets.on('connection', function (socket) {
socket.on('message', function(data) {
console.log(Buffer.isBuffer(data));
console.log(data);
var buf = new Buffer(5);
buf.writeUInt8(0x3, 0);
buf.writeUInt8(0x4, 1);
buf.writeUInt8(0x23, 2);
buf.writeUInt8(0x42, 3);
@pixelhandler
pixelhandler / app.js
Created February 10, 2012 17:24
Develop a RESTful API Using Node.js With Express and Mongoose - See: http://pixelhandler.com/blog/2012/02/09/develop-a-restful-api-using-node-js-with-express-and-mongoose/
var application_root = __dirname,
express = require("express"),
path = require("path"),
mongoose = require('mongoose');
var app = express.createServer();
// database
mongoose.connect('mongodb://localhost/ecomm_database');
@mager
mager / spotify-apps-sandbox-current_track.js
Created February 10, 2012 18:22
Spotify Apps API - Get the currently playing track (JS)
/* Instantiate the global sp object; include models & views */
var sp = getSpotifyApi(1);
var models = sp.require("sp://import/scripts/api/models");
// Get the track that is currently playing
var currentTrack = models.player.track;
// If nothing currently playing
if (currentTrack == null) {
$('#now-playing').append('No track currently playing');
@stober
stober / tiles.py
Created February 10, 2012 20:46
Tile Coding in Python
#!/usr/bin/python
"""
Author: Jeremy M. Stober
Program: TILES.PY
Date: Monday, March 31 2008
Description: A simple CMAC implementation.
"""
import os, sys, getopt, pdb
from numpy import *
@paolorossi
paolorossi / html5-video-streamer.js
Created March 7, 2012 13:21
Node.js HTML5 video streamer
/*
* Inspired by: http://stackoverflow.com/questions/4360060/video-streaming-with-html-5-via-node-js
*/
var http = require('http'),
fs = require('fs'),
util = require('util');
http.createServer(function (req, res) {
var path = 'video.mp4';
@mohayonao
mohayonao / fft.js
Created July 7, 2012 00:47
FFT
var FFT = (function() {
"use strict";
var FFT = function() {
initialize.apply(this, arguments);
}, $this = FFT.prototype;
var FFT_PARAMS = {
get: function(n) {
return FFT_PARAMS[n] || (function() {
@jrstarke
jrstarke / index.html
Created July 22, 2012 20:42
Clustering of Bus Stops. For Breeze (https://github.com/lgrammel/breeze)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Bus stops on UVic Bus Lines, Victoria, BC</title>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script type="text/javascript" src="http://cdnjs.cloudflare.com/ajax/libs/d3/2.8.1/d3.v2.min.js"></script>
<script type="text/javascript" src="https://raw.github.com/simplegeo/polymaps/v2.5.0/polymaps.min.js"></script>
<script type="text/javascript" src="jquery.qtip.min.js" ></script>
<link rel="stylesheet" type="text/css" href="jquery.qtip.min.css">
@lastland
lastland / BeyesianAvg.py
Created August 11, 2012 07:14
尝试用这篇post: http://www.matrix67.com/blog/archives/5044 中的方法实现的一个自动中文抽词算法的Python程序
# -*- coding=utf-8 -*-
import collections
# Usage:
# 我的做法是把WordsDetector.py里的结果输出到文件，
# 然后把文件名放到下面的names列表中，运行本程序。
names = ['name0',
'name1',
'name2',
@npinto
npinto / cv2_detect.py
Created September 5, 2012 07:13
Simple face detection with OpenCV 'cv2' python bindings from 2.4.x
import cv2
import cv2.cv as cv
def detect(img, cascade_fn='haarcascades/haarcascade_frontalface_alt.xml',
scaleFactor=1.3, minNeighbors=4, minSize=(20, 20),
flags=cv.CV_HAAR_SCALE_IMAGE):
cascade = cv2.CascadeClassifier(cascade_fn)
rects = cascade.detectMultiScale(img, scaleFactor=scaleFactor,