hadmack

# Interesting note on modifying globals in a function
a = np.zeros(5)
a[0] = 5
print(a)

def f():
    b = a 
    b = b[::-1]
    #a = a[::-1]  # this will fail with local undefined error
    return b

hadmack

'''
Plot the spectrogram (amplitude vs freq vs time plot) of a time series
'''
from matplotlib import pyplot as plt
import numpy as np
from scipy import signal

# Load or generate some data
y = np.random.normal(size=23000)
fs = 44000 # sample rate

hadmack

http://stackoverflow.com/questions/2685435/cooler-ascii-spinners

var spinners = [ "←↖↑↗→↘↓↙", "▁▃▄▅▆▇█▇▆▅▄▃", "▉▊▋▌▍▎▏▎▍▌▋▊▉", "▖▘▝▗", "▌▀▐▄", "┤┘┴└├┌┬┐", "◢◣◤◥",

hadmack

Build Python CLI Progress Bars with ANSI escape codes

Code snipets from [[http://www.lihaoyi.com/post/BuildyourownCommandLinewithANSIescapecodes.html#cursor-navigation]]