qheuristics

#!/usr/bin/python

##############################################################################################################
#   Extract information about a number.                                                                         #
#                                                                                                            #   
#   Example Usage: python infonum.py --bit 4 0xf                                                             #
#   Output:                                                                                                  #
#           Base 10: -1                                                                                      #   
#	    Base 16: f                                                                                       #
#	    2's Compliment binary: 1111                                                                      #   

qheuristics

• Update HISTORY.rst
• Commit the changes:

git add HISTORY.rst
git commit -m "Changelog for upcoming release 0.1.1."

• Update version number (can also be minor or major)

bumpversion patch

qheuristics

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


"""Minimal python commad line."""

import sys
import argparse
import logging

qheuristics

#List unique values in a DataFrame column
pd.unique(df.column_name.ravel())

#Convert Series datatype to numeric, getting rid of any non-numeric values
df['col'] = df['col'].astype(str).convert_objects(convert_numeric=True)

#Grab DataFrame rows where column has certain values
valuelist = ['value1', 'value2', 'value3']
df = df[df.column.isin(value_list)]

qheuristics

#Insall Ajenti
apt-get update
wget http://repo.ajenti.org/debian/key -O- | apt-key add -
echo "deb http://repo.ajenti.org/ng/debian main main ubuntu" >> /etc/apt/sources.list
apt-get update
apt-get install ajenti
service ajenti restart

# Uninstall Apache2
sudo apt-get autoremove && sudo apt-get remove apache2*

qheuristics

Deploy Rails app to digitalocean with nginx, unicorn, capistrano & postgres

Create droplet of your liking (ubuntu 12.10 x32)

ssh to root in terminal with your server ip

ssh root@123.123.123.123

Add ssh fingerprint and enter password provided in email

qheuristics

import numpy as np
from math import pi, log
import pylab
from scipy import fft, ifft
from scipy.optimize import curve_fit

i = 10000
x = np.linspace(0, 3.5 * pi, i)
y = (0.3*np.sin(x) + np.sin(1.3 * x) + 0.9 * np.sin(4.2 * x) + 0.06 *
    np.random.randn(i))