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cadrev / waveform.py
Created October 30, 2015 16:07 — forked from mixxorz/waveform.py
Generate waveform images from audio files
# Requires pydub (with ffmpeg) and Pillow
#
# Usage: python waveform.py <audio_file>
import sys
from pydub import AudioSegment
from PIL import Image, ImageDraw
/*
Serial Event example
When new serial data arrives, this sketch adds it to a String.
When a newline is received, the loop prints the string and
clears it.
A good test for this is to try it with a GPS receiver
that sends out NMEA 0183 sentences.
@cadrev
cadrev / raspberry pi config.txt
Last active November 15, 2015 05:14
Solution to RPi 2 eth0 doesn't exist
sudo rm /etc/udev/rules.d/70-persistent-net.rules
change hostname:
sudo nano /etc/hosts
sudo nano /etc/hostname
change to static
iface eth0 inet static
address 192.168.254.**
@cadrev
cadrev / cassandra database
Created December 8, 2015 09:34
cassandra test for projects
CREATE KEYSPACE demo
WITH REPLICATION = {'class' : 'SimpleStrategy', 'replication_factor': 1};
USE demo;
CREATE TABLE tweets (
id bigint PRIMARY KEY,
user TEXT,
body TEXT,
time TIMESTAMP,
lucene TEXT
);
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@cadrev
cadrev / songs.ipynb
Created December 16, 2015 14:10 — forked from carlward/songs.ipynb
Songs from API
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cadrev / 123 datasets.csv
Created December 16, 2015 14:19 — forked from octaviomtz/123 datasets.csv
123 machine learning databases
Problem File Name Relation Name nRows TestMethod nTrain nTest nVars nTargets
abalone/abalone.arff abalone 4177 test-set cross-validation 4077 100 8 3
acute-inflammation/acute-inflammation.arff acute-inflammation 120 leave-one-out cross-validation 119 100 6 2
acute-nephritis/acute-nephritis.arff acute-nephritis 120 leave-one-out cross-validation 119 100 6 2
adult/adult_train.arff adult 32561 test-set cross-validation 32461 100 14 2
annealing/annealing_train.arff annealing 798 test-set cross-validation 698 100 31 5
arrhythmia/arrhythmia.arff arrhythmia 452 leave-one-out cross-validation 451 100 262 13
audiology-std/con_patrons_repetidos/audiology-std_train.arff audiology-std 194 leave-one-out cross-validation 193 100 59 18
audiology-std/audiology-std_train.arff audiology-std 171 leave-one-out cross-validation 170 100 59 18
balance-scale/balance-scale.arff balance-scale 625 test-set cross-validation 525 100 4 3
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cadrev / 2.ipynb
Created December 16, 2015 14:24 — forked from karlnapf/2.ipynb
Machine learning assignment 2
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