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 [email protected]

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))